fzus61 kbuf 260302
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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est tue nov 25 2025

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 29.6 inch low over the western great lakes this 
evening will track toward the central great lakes wednesday, then 
track into eastern ontario through wednesday night while deepening 
to 29.4 inches. a cold front from this low will rush across the lake 
wednesday afternoon. the 29.4 inch surface low will then track well 
north of the lake thursday and friday, as a 30.4 inch surface high 
builds into the mid mississippi valley friday and to the ohio valley 
saturday. another surface low will cut northeastward through the 
central great lakes sunday, deepening from 29.6 inches sunday 
morning to 29.4 inches sunday night over western quebec.


loz062-261000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est tue nov 25 2025

...gale warning in effect from wednesday afternoon through friday
evening...

.overnight...southeast winds 5 to 10 knots becoming south.
a chance of rain. waves 1 foot or less. 
.wednesday...south winds around 10 knots becoming southwest and
increasing to 35 knot gales in the afternoon. a chance of showers
early, then showers from late morning on. waves 1 foot or less
building to 8 to 11 feet. waves occasionally around 14 feet. 
.wednesday night...southwest gales to 35 knots increasing to
40 knots. lake effect rain showers likely in the evening, then
rain showers likely overnight. waves 10 to 14 feet building to
11 to 16 feet. waves occasionally around 20 feet. 
.thursday...west gales to 40 knots. lake effect rain and snow
showers likely. waves 13 to 18 feet. waves occasionally around
23 feet. 
.thursday night...west gales to 35 knots diminishing to 30 knots
overnight. lake effect snow with lake effect rain showers likely
in the evening, then lake effect snow overnight. waves 10 to
15 feet. waves occasionally around 19 feet. 
.friday...west gales to 35 knots becoming northwest and
diminishing to 15 to 25 knots. lake effect snow showers likely.
waves 9 to 13 feet subsiding to 4 to 7 feet. waves occasionally
around 16 feet. 
.saturday...west winds 15 to 20 knots becoming south. a chance of
snow showers during the day, then snow and rain showers likely
saturday night. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...south winds 15 to 25 knots becoming west. rain and snow
showers likely during the day, then rain showers likely with a
chance of snow showers sunday night. waves 3 to 5 feet. 

$$

fzus61 kbuf 260302
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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est tue nov 25 2025

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 29.6 inch low over the western great lakes this 
evening will track toward the central great lakes wednesday, then 
track into eastern ontario through wednesday night while deepening 
to 29.4 inches. a cold front from this low will rush across the lake 
wednesday afternoon. the 29.4 inch surface low will then track well 
north of the lake thursday and friday, as a 30.4 inch surface high 
builds into the mid mississippi valley friday and to the ohio valley 
saturday. another surface low will cut northeastward through the 
central great lakes sunday, deepening from 29.6 inches sunday 
morning to 29.4 inches sunday night over western quebec.


loz063-261000-
lake ontario open waters from hamlin beach to sodus bay-
1002 pm est tue nov 25 2025

...gale warning in effect from wednesday afternoon through friday
evening...

.overnight...southeast winds 5 to 15 knots becoming south.
a chance of rain, then rain likely late. waves 1 to 2 feet. 
.wednesday...south winds 5 to 10 knots becoming southwest and
increasing to 30 knots in the afternoon. showers likely early,
then a chance of showers late in the morning. showers in the
afternoon. waves 1 to 3 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.wednesday night...southwest gales to 35 knots. lake effect rain
showers likely in the evening, then lake effect rain and snow
showers likely overnight. waves 10 to 14 feet building to 12 to
16 feet. waves occasionally around 20 feet. 
.thursday...southwest gales to 40 knots becoming west. lake
effect rain and snow showers likely in the morning, then lake
effect rain with lake effect snow showers likely in the
afternoon. waves 14 to 19 feet. waves occasionally around
24 feet. 
.thursday night...west gales to 40 knots diminishing to 35 knots.
lake effect snow with lake effect rain showers likely in the
evening, then lake effect snow overnight. waves 15 to 19 feet
subsiding to 11 to 15 feet. waves occasionally around 24 feet. 
.friday...northwest gales to 35 knots diminishing to 30 knots.
lake effect snow during the day, then lake effect snow showers
likely friday night. waves 10 to 15 feet subsiding to 7 to
10 feet. waves occasionally around 19 feet. 
.saturday...northwest winds 15 to 20 knots becoming south. snow
showers likely saturday night. waves 3 to 6 feet subsiding to
3 to 5 feet. 
.sunday...south winds 15 to 25 knots becoming west. rain and snow
showers likely during the day, then rain showers likely with a
chance of snow showers sunday night. waves 3 to 6 feet. 

$$

fzus61 kbuf 260302
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open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est tue nov 25 2025

for waters beyond five nautical miles of shore on lake ontario

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a 29.6 inch low over the western great lakes this 
evening will track toward the central great lakes wednesday, then 
track into eastern ontario through wednesday night while deepening 
to 29.4 inches. a cold front from this low will rush across the lake 
wednesday afternoon. the 29.4 inch surface low will then track well 
north of the lake thursday and friday, as a 30.4 inch surface high 
builds into the mid mississippi valley friday and to the ohio valley 
saturday. another surface low will cut northeastward through the 
central great lakes sunday, deepening from 29.6 inches sunday 
morning to 29.4 inches sunday night over western quebec.


loz064-065-261000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 pm est tue nov 25 2025

...gale warning in effect from wednesday afternoon through friday
evening...

.overnight...south winds 10 to 15 knots. rain likely. waves
1 to 2 feet. 
.wednesday...south winds 10 to 15 knots becoming southwest and
increasing to 30 knots in the afternoon. showers likely early,
then a chance of showers late in the morning. showers in the
afternoon. waves 1 to 3 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.wednesday night...west gales to 35 knots becoming southwest.
rain showers in the evening, then lake effect rain with a chance
of lake effect snow showers overnight. waves 10 to 15 feet. waves
occasionally around 19 feet. 
.thursday...southwest gales to 40 knots becoming west. lake
effect rain with lake effect snow showers likely in the morning,
then lake effect rain and snow in the afternoon. waves 14 to
19 feet building to 15 to 20 feet. waves occasionally around
26 feet. 
.thursday night...west gales to 40 knots diminishing to 35 knots.
lake effect snow and lake effect rain in the evening, then lake
effect snow overnight. waves 14 to 19 feet subsiding to 12 to
17 feet. waves occasionally around 24 feet. 
.friday...northwest gales to 35 knots diminishing to 30 knots.
lake effect snow showers likely. waves 10 to 15 feet subsiding to
7 to 10 feet. waves occasionally around 19 feet. 
.saturday...northwest winds 15 to 25 knots becoming south. snow
showers likely saturday night. waves 4 to 7 feet subsiding to
3 to 5 feet. waves occasionally around 9 feet. 
.sunday...south winds to 30 knots becoming west and diminishing
to 15 to 20 knots. rain showers with snow showers likely. waves
5 to 8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
337 am est wed nov 26 2025

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
low pressure 29.30 inches over northeast wisconsin will extend a
cold front across lake erie today. this low will slowly move
through the northern lakes tonight, eventually moving through
ontario and quebec on thursday. this low will leave a trough
averaging 29.70 inches over the lake on thursday that will weaken
to 30.00 inches on friday. high pressure 30.50 inches will pass
south of the lake on friday night into saturday. low pressure
29.80 inches will enter the region on saturday night into sunday.


lez061-168-169-261530-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
337 am est wed nov 26 2025

...gale warning in effect from 10 am est this morning through
friday morning...

.today...southwest winds 15 to 20 knots increasing to 40 knot
gales this afternoon. rain likely. waves 1 to 3 feet building to
13 to 17 feet. waves occasionally around 22 feet. 
.tonight...southwest gales to 40 knots becoming west to 45 knots.
rain with a slight chance of thunderstorms early, then rain, snow
with a slight chance of thunderstorms. rain and snow late. waves
14 to 19 feet. waves occasionally around 24 feet. 
.thursday...west gales to 40 knots. a chance of snow in the
morning, then snow likely in the afternoon. waves 13 to 18 feet
subsiding to 12 to 17 feet. waves occasionally around 23 feet. 
.thursday night...west gales to 40 knots. snow likely in the
evening, then a chance of snow overnight. waves 12 to 17 feet
subsiding to 10 to 14 feet. waves occasionally around 22 feet. 
.friday...west gales to 35 knots diminishing to 15 to 25 knots. a
chance of snow. waves 10 to 13 feet subsiding to 4 to 7 feet.
waves occasionally around 16 feet. 
.saturday...west winds 10 to 15 knots becoming south and
increasing to 15 to 25 knots. a chance of snow during the day,
then snow and rain saturday night. waves 2 to 4 feet building to
3 to 5 feet. 
.sunday...south winds to 30 knots becoming west 15 to 25 knots.
rain during the day, then rain likely with a chance of snow
sunday night. waves 4 to 7 feet building to 6 to 9 feet, then
subsiding to 3 to 6 feet. waves occasionally around 11 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 260837
glfle 
expires:202511261530;;526479

open lake forecast for lake erie
national weather service cleveland oh
337 am est wed nov 26 2025

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
low pressure 29.30 inches over northeast wisconsin will extend a
cold front across lake erie today. this low will slowly move
through the northern lakes tonight, eventually moving through
ontario and quebec on thursday. this low will leave a trough
averaging 29.70 inches over the lake on thursday that will weaken
to 30.00 inches on friday. high pressure 30.50 inches will pass
south of the lake on friday night into saturday. low pressure
29.80 inches will enter the region on saturday night into sunday.


lez162>164-261530-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
337 am est wed nov 26 2025

...gale warning in effect from 7 am est this morning through late
thursday night...
...low water advisory in effect from 7 am this morning to 4 am
est friday...

.today...southwest winds to 30 knots increasing to 40 knot gales
this afternoon. a chance of rain this morning, then a chance of
snow with a slight chance of rain this afternoon. waves 3 to
5 feet building to 7 to 10 feet. waves occasionally around
13 feet. 
.tonight...southwest gales to 45 knots becoming west to 40 knots.
a chance of snow with a slight chance of rain early, then a
chance of snow from late evening on. waves 7 to 11 feet. waves
occasionally around 14 feet. 
.thursday...west gales to 35 knots. a chance of snow in the
afternoon. waves 6 to 9 feet. waves occasionally around 11 feet. 
.thursday night...west gales to 40 knots diminishing to 30 knots.
a chance of snow in the evening. waves 6 to 10 feet subsiding to
5 to 8 feet. waves occasionally around 13 feet. 
.friday...west winds to 30 knots diminishing to 10 to 15 knots.
waves 5 to 8 feet subsiding to 1 to 3 feet. waves occasionally
around 10 feet. 
.saturday...southwest winds 5 to 15 knots becoming south and
increasing to 15 to 25 knots. a chance of snow during the day,
then rain and snow saturday night. waves 2 feet or less building
to 2 to 4 feet. 
.sunday...southwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. rain likely during the day, then a
chance of rain and snow sunday night. waves 3 to 5 feet subsiding
to 1 to 3 feet. 

$$

fzus61 kcle 260837
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open lake forecast for lake erie
national weather service cleveland oh
337 am est wed nov 26 2025

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...
low pressure 29.30 inches over northeast wisconsin will extend a
cold front across lake erie today. this low will slowly move
through the northern lakes tonight, eventually moving through
ontario and quebec on thursday. this low will leave a trough
averaging 29.70 inches over the lake on thursday that will weaken
to 30.00 inches on friday. high pressure 30.50 inches will pass
south of the lake on friday night into saturday. low pressure
29.80 inches will enter the region on saturday night into sunday.


lez165>167-261530-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
337 am est wed nov 26 2025

...gale warning in effect from 10 am est this morning through
friday morning...

.today...southwest winds 15 to 25 knots increasing to 45 knot
gales this afternoon. a chance of rain early, then a slight
chance of rain late this morning. a chance of rain this
afternoon. waves 3 to 5 feet building to 12 to 17 feet. waves
occasionally around 22 feet. 
.tonight...southwest gales to 45 knots becoming west. rain likely
with possible snow and thunderstorms in the evening, then a
chance of snow, rain with a slight chance of thunderstorms after
midnight. waves 13 to 18 feet. waves occasionally around 23 feet.
.thursday...west gales to 40 knots. a chance of snow. waves 11 to
16 feet. waves occasionally around 20 feet. 
.thursday night...west gales to 40 knots. a chance of snow. waves
10 to 15 feet. waves occasionally around 19 feet. 
.friday...west gales to 35 knots diminishing to 15 to 25 knots. a
chance of snow during the day. waves 9 to 12 feet subsiding to
3 to 5 feet. waves occasionally around 15 feet. 
.saturday...west winds 10 to 15 knots becoming south and
increasing to 30 knots. a chance of snow during the day, then
rain with snow likely saturday night. waves 1 to 3 feet building
to 4 to 7 feet. waves occasionally around 9 feet. 
.sunday...south winds to 30 knots becoming west 15 to 25 knots.
rain during the day, then a chance of rain and snow sunday night.
waves 6 to 10 feet subsiding to 3 to 5 feet. waves occasionally
around 13 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 260825
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open lake forecast for lake huron
national weather service detroit/pontiac mi
325 am est wed nov 26 2025

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a strong low pressure system deepens to 29.30 inches
over the northern great lakes today into tonight, leading to a 
long duration of gales through early friday. arctic air arrives 
with snow squalls becoming likely thursday into friday. the next 
low pressure system will work through the area on sunday. this 
system is currently forecast to be slightly weaker than the 
today's low.


lhz463-464-261630-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
325 am est wed nov 26 2025

...gale warning in effect from 7 am est this morning through
friday morning...

.today...south winds 15 to 20 knots becoming southwest to
30 knots with gusts to 40 knot gales. a chance of rain in the
morning...then rain in the afternoon. waves 3 to 5 feet building
to 8 to 12 feet in the late morning and afternoon. waves
occasionally around 15 feet. 
.tonight...southwest at 40 knot gales veering to the west after
midnight. gusts to 45 knot gales. rain with snow likely in the
evening...then rain and snow likely after midnight. waves 10 to
14 feet. waves occasionally around 18 feet. 
.thursday...west at 35 knot gales with gusts to 40 knot gales.
rain and snow likely in the morning...then rain and snow in the
afternoon. waves 12 to 16 feet. waves occasionally around
20 feet. a gale warning may be needed. 
.thursday night...west at 40 knot gales with gusts to 45 knot
gales. rain and snow. waves 15 to 20 feet. waves occasionally
around 25 feet. 
.friday...west at 35 knot gales with gusts to 40 knot gales
decreasing to 15 to 20 knots. rain likely in the morning. a
chance of snow. waves 12 to 16 feet subsiding to 6 to 9 feet late
in the afternoon. waves occasionally around 20 feet. 
.saturday...west winds 10 to 15 knots becoming south 15 to
20 knots early in the evening...then increasing to 20 to 25 knots
in the late evening and early morning. a chance of snow in the
late morning and early afternoon. snow until early morning. rain
in the late evening and early morning. waves 3 to 5 feet
subsiding to 1 to 3 feet in the late morning and early
afternoon...then building to 4 to 6 feet until early morning.
waves occasionally around 8 feet. 
.sunday...south winds 20 to 25 knots becoming west 15 to 20 knots
until early morning. rain and snow until afternoon...then a
chance of rain and snow until early morning. waves 4 to 6 feet.
waves occasionally around 8 feet. 


$$

fzus63 kdtx 260825
glflh 
expires:202511261630;;526116

open lake forecast for lake huron
national weather service detroit/pontiac mi
325 am est wed nov 26 2025

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a strong low pressure system deepens to 29.30 inches
over the northern great lakes today into tonight, leading to a 
long duration of gales through early friday. arctic air arrives 
with snow squalls becoming likely thursday into friday. the next 
low pressure system will work through the area on sunday. this 
system is currently forecast to be slightly weaker than the 
today's low.


lhz363-462-261630-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
325 am est wed nov 26 2025

...gale warning in effect from 7 am est this morning through
friday morning...

.today...south winds 15 to 20 knots becoming southwest to
30 knots with gusts to 35 knot gales. a chance of rain in the
morning...then rain likely in the afternoon. waves 3 to 5 feet
building to 8 to 12 feet in the late morning and afternoon. waves
occasionally around 15 feet. 
.tonight...southwest at 35 knot gales veering to the west at
40 knot gales after midnight. rain and snow. waves 12 to 16 feet.
waves occasionally around 20 feet. 
.thursday...west at 35 knot gales with gusts to 40 knot gales.
rain and snow likely in the morning...then rain and snow in the
afternoon. waves 14 to 18 feet. waves occasionally around
23 feet. a gale warning may be needed. 
.thursday night...northwest at 40 knot gales with gusts to
45 knot gales. rain and snow in the evening...then snow with rain
likely after midnight. waves 15 to 20 feet. waves occasionally
around 25 feet. 
.friday...northwest at 35 knot gales becoming west 15 to
20 knots. rain likely in the morning. a chance of snow. waves
12 to 16 feet subsiding to 8 to 12 feet late in the afternoon.
waves occasionally around 20 feet. 
.saturday...west winds 10 to 15 knots becoming south 15 to
20 knots early in the evening...then increasing to 20 to 25 knots
in the late evening and early morning. a chance of snow in the
late morning and early afternoon. snow until early morning. waves
3 to 5 feet subsiding to 1 to 3 feet in the late morning and
early afternoon...then building to 4 to 6 feet until early
morning. waves occasionally around 8 feet. 
.sunday...south winds 20 to 25 knots becoming west 15 to 20 knots
until early morning. snow with rain likely until afternoon...then
a chance of snow and rain until early morning. waves 5 to 7 feet.
waves occasionally around 10 feet. 


$$

fzus63 kdtx 260825
glflh 
expires:202511261630;;526115

open lake forecast for lake huron
national weather service detroit/pontiac mi
325 am est wed nov 26 2025

for waters beyond five nautical miles off shore on lake huron

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a strong low pressure system deepens to 29.30 inches
over the northern great lakes today into tonight, leading to a 
long duration of gales through early friday. arctic air arrives 
with snow squalls becoming likely thursday into friday. the next 
low pressure system will work through the area on sunday. this 
system is currently forecast to be slightly weaker than the 
today's low.


lhz361-362-261630-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
325 am est wed nov 26 2025

...gale warning in effect from noon est today through friday
morning...

.today...southeast winds 10 to 15 knots becoming south 15 to
20 knots in the late morning and afternoon. rain in the morning...
then rain likely in the afternoon. waves 2 to 4 feet building to
10 to 14 feet. waves occasionally around 18 feet. 
.tonight...southwest winds 15 to 20 knots increasing to 30 knots
late in the evening...then becoming west at 35 knot gales after
midnight. rain in the evening...then rain and snow after
midnight. waves 12 to 16 feet. waves occasionally around 20 feet.
.thursday...northwest at 35 knot gales with gusts to 40 knot
gales. snow and rain. waves 14 to 18 feet. waves occasionally
around 23 feet. a gale warning may be needed. 
.thursday night...northwest at 35 knot gales decreasing to
30 knots after midnight. gusts to 40 knot gales. snow and rain in
the evening...then a chance of snow and rain after midnight.
waves 14 to 18 feet. waves occasionally around 23 feet. 
.friday...northwest winds to 30 knots decreasing to 10 to
15 knots. a chance of snow. waves 12 to 16 feet subsiding to 6 to
9 feet late in the afternoon. waves occasionally around 20 feet. 
.saturday...west winds 5 to 10 knots backing to the southwest in
the late morning and early afternoon...then becoming south 10 to
15 knots until early morning. a chance of snow in the late
morning and early afternoon. snow until early morning. waves 2 to
4 feet subsiding to 1 to 3 feet in the late morning and early
afternoon...then building to 3 to 5 feet early in the evening
building to 5 to 7 feet in the late evening and early morning.
waves occasionally around 10 feet. 
.sunday...south winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and early afternoon...then veering to the
west until early morning. snow early in the morning. snow likely
in the late morning and early afternoon...then a chance of snow
until early morning. waves 4 to 6 feet. 


$$

fzus63 kdtx 260825
glfsc 
expires:202511261630;;526119

lake st clair forecast
national weather service detroit/pontiac mi
325 am est wed nov 26 2025

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...a strong low pressure system deepens to 29.30 inches
over the northern great lakes today into tonight, leading to a 
long duration of gales through early friday. arctic air arrives 
with snow squalls becoming likely thursday into friday. the next 
low pressure system will work through the area on sunday. this 
system is currently forecast to be slightly weaker than the 
today's low.


lcz460-261630-
lake st clair-
325 am est wed nov 26 2025

...gale warning in effect from 7 am est this morning through late
thursday night...

.today...southwest winds 20 to 25 knots increasing to 35 knot gales
with gusts to 40 knot gales. mostly cloudy. a chance of light rain
and snow early in the afternoon. light rain and light snow likely
late in the afternoon. waves 3 to 5 feet. waves occasionally around
7 feet.
.tonight...west at 40 knot gales. cloudy. light rain and snow likely
until early morning...then a chance of light rain and snow early in
the morning. waves 4 to 6 feet. waves occasionally around 7 feet.
.thursday...west at 35 knot gales diminishing to 30 knots in the
late morning and afternoon. mostly cloudy with a chance of light
rain and snow. waves 3 to 5 feet. waves occasionally around 7 feet.
.thursday night...west at 35 knot gales. mostly cloudy until early
morning becoming partly cloudy. a chance of light rain early in the
evening. a chance of light snow until early morning. waves 4 to 6
feet. waves occasionally around 8 feet.
.friday...west winds to 30 knots diminishing to 15 to 20 knots in
the afternoon and evening. partly cloudy. waves 3 to 5 feet
subsiding to 1 to 3 feet in the afternoon and evening. waves
occasionally around 7 feet.
.saturday...south winds 15 to 20 knots. light snow. waves 2 feet or
less.
.sunday...west winds 20 to 25 knots. light rain and snow. waves 1 to
3 feet.

$$

fzus63 kmkx 260252
glflm 
expires:202511261030;;512860

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cst tue nov 25 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

low pressure around 29.5 inches is expected to cross the upper 
peninsula of michigan overnight into wednesday, deepening to 
around 29.3 inches. a cold front extending south of the low is 
expected to cross lake michigan tonight, turning winds southwest 
and increasing toward daybreak on wednesday. 

strong west to northwest winds will develop over the lake 
wednesday. expecting storm force gusts for the southern two 
thirds of the lake, where a storm warning is in effect. gale 
force gusts are expected for the northern one third, where a gale
warning is in effect. the strongest winds and highest waves 
should be on the east side of the lake. 

the strong winds veer northwest later wednesday and linger 
through thursday night. winds are expected to decrease below storm
force by daybreak thursday, but gale warnings remain in effect 
thursday into thursday night, as strong northwest winds continue.
winds gradually subside into friday, as high pressure around 30.4
inches builds into the region from the west.


lmz261-362-364-563-261030-
lake michigan from seul choix point to rock island passage 5 nm
offshore to mid lake-
lake michigan south of a line from seul choix point to the
mackinac bridge and north of a line from charlevoix mi to south
fox island 5 nm offshore-
lake michigan from charlevoix to point betsie mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
852 pm cst tue nov 25 2025

sturgeon bay wi to point betsie mi north...

...gale warning in effect from wednesday afternoon through late
thursday night...

.rest of tonight...southeast winds 10 to 15 kt increasing to
30 kt. chance of rain through early evening, then rain overnight.
waves 1 to 3 ft building to 4 to 6 ft occasionally to 8 ft. 
.wednesday...south winds to 30 kt becoming southwest 15 to 25 kt
late in the morning, then becoming west gales to 40 kt early in
the afternoon becoming northwest gales to 45 kt late. rain in the
morning, then rain and snow in the afternoon. waves 7 to 10 ft
occasionally to 13 ft building to 10 to 14 ft occasionally to
18 ft. 
.wednesday night...northwest gales to 45 kt. snow. waves 14 to 18
ft occasionally to 23 ft. 
.thursday...northwest gales to 45 kt diminishing to gales to
40 kt. snow. waves 12 to 16 ft occasionally to 21 ft subsiding to
8 to 11 ft occasionally to 14 ft. 
.thursday night...northwest gales to 40 kt. snow in the evening,
then chance of snow overnight. waves 8 to 11 ft occasionally to
14 ft. 
.friday...northwest winds to 30 kt. chance of snow. waves 5 to
8 ft occasionally to 10 ft subsiding to 3 to 5 ft. 
.friday night...northwest winds 10 to 20 kt becoming west 5 to
10 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.saturday...southwest winds 10 to 20 kt becoming south. chance of
snow. waves 1 to 2 ft building to 2 to 4 ft. 
.sunday...north winds 15 to 25 kt becoming northwest. chance of
snow. waves 3 to 5 ft.  

$$

fzus63 kmkx 260252
glflm 
expires:202511261030;;512861

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cst tue nov 25 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

low pressure around 29.5 inches is expected to cross the upper 
peninsula of michigan overnight into wednesday, deepening to 
around 29.3 inches. a cold front extending south of the low is 
expected to cross lake michigan tonight, turning winds southwest 
and increasing toward daybreak on wednesday. 

strong west to northwest winds will develop over the lake 
wednesday. expecting storm force gusts for the southern two 
thirds of the lake, where a storm warning is in effect. gale 
force gusts are expected for the northern one third, where a gale
warning is in effect. the strongest winds and highest waves 
should be on the east side of the lake. 

the strong winds veer northwest later wednesday and linger 
through thursday night. winds are expected to decrease below storm
force by daybreak thursday, but gale warnings remain in effect 
thursday into thursday night, as strong northwest winds continue.
winds gradually subside into friday, as high pressure around 30.4
inches builds into the region from the west.


lmz366-565-567-868-261030-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from sturgeon bay to two rivers wi 5 nm offshore to
mid lake-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
852 pm cst tue nov 25 2025

sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...

...storm warning in effect from 6 am cst wednesday through
wednesday evening...
...gale warning in effect from late wednesday night through
thursday evening...

.rest of tonight...south winds 5 to 10 kt increasing to 10 to
20 kt late this evening, then increasing to 30 kt after midnight
becoming southwest late. chance of rain through early evening,
then rain overnight. waves 1 ft or less building to 6 to 9 ft
occasionally to 12 ft. 
.wednesday...southwest winds to 30 kt becoming west gales to
40 kt late in the morning, then becoming northwest storm force
winds to 50 kt in the afternoon. rain in the morning, then rain
and snow in the afternoon. waves 12 to 16 ft occasionally to
21 ft building to 14 to 18 ft occasionally to 23 ft. 
.wednesday night...northwest storm force winds to 55 kt
diminishing to gales to 45 kt. snow in the evening, then chance
of snow overnight. waves 18 to 23 ft occasionally to 30 ft
subsiding to 14 to 18 ft occasionally to 23 ft. 
.thursday...northwest gales to 45 kt diminishing to gales to
40 kt. chance of snow. waves 14 to 18 ft occasionally to 23 ft. 
.thursday night...northwest gales to 35 kt diminishing to 30 kt.
chance of snow in the evening. waves 10 to 14 ft occasionally to
18 ft. 
.friday...northwest winds to 30 kt diminishing to 10 to 20 kt in
the afternoon. waves 7 to 10 ft occasionally to 13 ft subsiding
to 4 to 7 ft occasionally to 9 ft. 
.friday night...northwest winds 10 to 15 kt becoming west 5 to
10 kt. chance of snow. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.saturday...south winds 10 to 20 kt becoming southeast. snow
likely. waves 2 to 4 ft building to 5 to 8 ft occasionally to
10 ft. 
.sunday...northwest winds 10 to 20 kt increasing to 15 to 25 kt.
chance of snow. waves 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 260252
glflm 
expires:202511261030;;512862

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cst tue nov 25 2025

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

low pressure around 29.5 inches is expected to cross the upper 
peninsula of michigan overnight into wednesday, deepening to 
around 29.3 inches. a cold front extending south of the low is 
expected to cross lake michigan tonight, turning winds southwest 
and increasing toward daybreak on wednesday. 

strong west to northwest winds will develop over the lake 
wednesday. expecting storm force gusts for the southern two 
thirds of the lake, where a storm warning is in effect. gale 
force gusts are expected for the northern one third, where a gale
warning is in effect. the strongest winds and highest waves 
should be on the east side of the lake. 

the strong winds veer northwest later wednesday and linger 
through thursday night. winds are expected to decrease below storm
force by daybreak thursday, but gale warnings remain in effect 
thursday into thursday night, as strong northwest winds continue.
winds gradually subside into friday, as high pressure around 30.4
inches builds into the region from the west.


lmz080-669-671-673-675-777-779-870-872-874-876-878-261030-
lake michigan from michigan city in to st. joseph mi 5 nm
offshore to mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from port washington to north point light wi 5 nm
offshore to mid lake-
lake michigan from north point light to wind point wi 5 nm
offshore to mid lake-
lake michigan from wind point wi to winthrop harbor il 5 nm
offshore to mid lake-
lake michigan from winthrop harbor to wilmette harbor il 5 nm
offshore to mid lake-
lake michigan from wilmette harbor il to michigan city in 5 nm
offshore to mid lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
lake michigan from holland to grand haven mi 5 nm offshore to mid
lake-
lake michigan from south haven to holland mi 5 nm offshore to mid
lake-
lake michigan from st. joseph to south haven mi 5 nm offshore to
mid lake-
852 pm cst tue nov 25 2025

sheboygan wi to pentwater mi south...

...storm warning in effect from 6 am cst wednesday through
wednesday evening...
...gale warning in effect from late wednesday night through
thursday evening...

.rest of tonight...southwest winds 10 to 20 kt increasing to
gales to 35 kt. chance of rain. waves 1 to 2 ft building to 10 to
14 ft occasionally to 18 ft. 
.wednesday...southwest gales to 45 kt becoming west late in the
morning, then increasing to storm force winds to 50 kt early in
the afternoon becoming northwest storm force winds to 55 kt late.
rain with snow likely in the morning, then snow and slight chance
of rain in the afternoon. waves 12 to 16 ft occasionally to 21 ft
building to 20 to 25 ft occasionally to 33 ft. 
.wednesday night...northwest storm force winds to 55 kt
diminishing to gales to 45 kt. chance of snow. waves 25 to 30 ft
occasionally to 39 ft subsiding to 18 to 23 ft occasionally to
30 ft. 
.thursday...northwest gales to 45 kt diminishing to gales to
40 kt. chance of snow. waves 15 to 20 ft occasionally to 26 ft
subsiding to 14 to 18 ft occasionally to 23 ft. 
.thursday night...northwest gales to 40 kt diminishing to 30 kt
overnight. chance of snow. waves 14 to 18 ft occasionally to
23 ft. 
.friday...northwest winds to 30 kt diminishing to 15 to 25 kt.
chance of snow in the morning. waves 10 to 14 ft occasionally to
18 ft subsiding to 6 to 9 ft occasionally to 12 ft. 
.friday night...west winds 10 to 15 kt becoming southwest. chance
of snow. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.saturday...south winds 15 to 25 kt increasing to 30 kt. snow.
waves 4 to 7 ft occasionally to 9 ft building to 6 to 9 ft
occasionally to 12 ft. 
.sunday...northwest winds 15 to 25 kt increasing to 30 kt. chance
of rain and snow. waves 6 to 9 ft occasionally to 12 ft.  

$$

fzus63 kmqt 260300
glfls 
expires:202511260900;;513244

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue nov 25 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over west-cental wisconsin will deepen to 29.3 
inches over eastern upper michigan by wednesday afternoon. by 
thursday, the low will shift into quebec, maintaining 29.4 inches. 
meanwhile, a 30.6 inch high will develop over the canadian prairie. 
with the low lifting further northeast for friday, the high will 
weaken slightly to 30.5 inches as it moves into the mississippi 
river valley. the high then shifts over the lower great lakes 
saturday morning while 29.7 inch low pressure develops over the ok 
panhandle. this low ejects northeast, reaching the upper great lakes 
at 29.7 inches sunday afternoon. monday, the low will lift into 
quebec at 29.5 inches while 30.5 inch high pressure builds over the 
central plains.



lsz267-260900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm est tue nov 25 2025

...gale warning in effect from wednesday afternoon through late
thursday night...

.rest of tonight...east winds 20 to 30 knots. rain showers. waves
4 to 7 feet occasionally to 9 feet building to 6 to 9 feet
occasionally to 11 feet. 
.wednesday...east gales to 35 knots backing north by mid
afternoon. rain showers. snow showers in the afternoon. waves
building to 9 to 12 feet occasionally to 15 feet. 
.wednesday night...north gales to 45 knots. snow showers. waves
building to 15 to 20 feet occasionally to 25 feet. 
.thursday...north gales to 45 knots backing northwest in the
afternoon. snow showers. waves subsiding to 12 to 17 feet
occasionally to 21 feet. 
.thursday night...northwest gales to 40 knots. snow showers.
waves subsiding to 8 to 11 feet occasionally to 14 feet. 
.friday...northwest gales to 35 knots diminishing to 20 to
30 knots in the afternoon. snow showers. waves subsiding to 4 to
7 feet occasionally to 9 feet. 
.friday night...northwest winds 10 to 20 knots. snow showers
likely in the evening, then a chance of snow showers after
midnight. waves subsiding to 1 to 3 feet. 
.saturday...southwest winds 10 to 20 knots backing south. snow
showers. waves subsiding to calm to 2 feet, then building to 1 to
3 feet. 
.sunday...northwest winds 15 to 25 knots. snow showers. waves
building to 4 to 7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 260300
glfls 
expires:202511260900;;513243

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue nov 25 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over west-cental wisconsin will deepen to 29.3 
inches over eastern upper michigan by wednesday afternoon. by 
thursday, the low will shift into quebec, maintaining 29.4 inches. 
meanwhile, a 30.6 inch high will develop over the canadian prairie. 
with the low lifting further northeast for friday, the high will 
weaken slightly to 30.5 inches as it moves into the mississippi 
river valley. the high then shifts over the lower great lakes 
saturday morning while 29.7 inch low pressure develops over the ok 
panhandle. this low ejects northeast, reaching the upper great lakes 
at 29.7 inches sunday afternoon. monday, the low will lift into 
quebec at 29.5 inches while 30.5 inch high pressure builds over the 
central plains.



lsz266-260900-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 pm est tue nov 25 2025

...gale warning in effect through late thursday night...

.rest of tonight...northeast winds 20 to 30 knots increasing to
gales to 40 knots by midnight. rain showers, possibly mixed with
snow. waves 6 to 9 feet occasionally to 11 feet building to 10 to
14 feet occasionally to 18 feet. 
.wednesday...northeast gales to 45 knots backing north. rain
showers in the morning. snow showers. a slight chance of rain
showers in the afternoon. waves building to 15 to 20 feet
occasionally to 25 feet. 
.wednesday night...north gales to 45 knots with a few storm force
gusts to 55 knots possible. snow showers. waves building to 17 to
22 feet occasionally to 28 feet, then subsiding to 15 to 20 feet
occasionally to 25 feet. 
.thursday...north gales to 45 knots backing northwest in the
afternoon. snow showers. waves subsiding to 12 to 17 feet
occasionally to 21 feet. 
.thursday night...northwest gales to 40 knots. snow showers.
waves subsiding to 9 to 12 feet occasionally to 15 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. snow showers. waves subsiding to 4 to
7 feet occasionally to 9 feet. 
.friday night...northwest winds 10 to 20 knots backing west after
midnight. snow showers likely in the evening. a chance of snow
showers after midnight. waves subsiding to 1 to 3 feet. 
.saturday...west winds 10 to 20 knots veering north. snow
showers. waves subsiding to calm to 2 feet, then building to 2 to
4 feet. 
.sunday...northwest winds 20 to 30 knots. a chance of snow
showers, then snow showers likely. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 

$$

fzus63 kmqt 260300
glfls 
expires:202511260900;;513242

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue nov 25 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over west-cental wisconsin will deepen to 29.3 
inches over eastern upper michigan by wednesday afternoon. by 
thursday, the low will shift into quebec, maintaining 29.4 inches. 
meanwhile, a 30.6 inch high will develop over the canadian prairie. 
with the low lifting further northeast for friday, the high will 
weaken slightly to 30.5 inches as it moves into the mississippi 
river valley. the high then shifts over the lower great lakes 
saturday morning while 29.7 inch low pressure develops over the ok 
panhandle. this low ejects northeast, reaching the upper great lakes 
at 29.7 inches sunday afternoon. monday, the low will lift into 
quebec at 29.5 inches while 30.5 inch high pressure builds over the 
central plains.



lsz265-260900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm est tue nov 25 2025

...gale warning in effect through thursday evening...

.rest of tonight...northeast gales to 45 knots. rain showers.
waves 5 to 8 feet occasionally to 10 feet building to 10 to
14 feet occasionally to 18 feet. 
.wednesday...northeast gales to 45 knots backing north by late
morning, then increasing to gales to 45 knots with a few storm
force gusts to 50 knots possible by mid afternoon. rain showers
in the morning. snow showers. waves building to 15 to 20 feet
occasionally to 25 feet. 
.wednesday night...north gales to 45 knots with a few storm force
gusts to 55 knots possible becoming northwest gales to 45 knots
with a few storm force gusts to 50 knots possible late. snow
showers. waves subsiding to 12 to 17 feet occasionally to
21 feet. 
.thursday...northwest gales to 45 knots. snow showers. waves
subsiding to 9 to 12 feet occasionally to 15 feet. 
.thursday night...northwest gales to 40 knots. snow showers
likely in the evening, then a chance of snow showers after
midnight. waves subsiding to 5 to 8 feet occasionally to 10 feet.
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. a chance of snow showers. waves
subsiding to 2 to 4 feet. 
.friday night...northwest winds 10 to 20 knots backing west after
midnight. a chance of snow showers. waves subsiding to calm to
2 feet. 
.saturday...west winds 10 to 20 knots becoming north 15 to
25 knots. snow showers likely. waves building to 1 to 3 feet. 
.sunday...northwest winds 20 to 30 knots becoming west 15 to
25 knots. a chance of snow showers. waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet. 

$$

fzus63 kmqt 260300
glfls 
expires:202511260900;;513241

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue nov 25 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over west-cental wisconsin will deepen to 29.3 
inches over eastern upper michigan by wednesday afternoon. by 
thursday, the low will shift into quebec, maintaining 29.4 inches. 
meanwhile, a 30.6 inch high will develop over the canadian prairie. 
with the low lifting further northeast for friday, the high will 
weaken slightly to 30.5 inches as it moves into the mississippi 
river valley. the high then shifts over the lower great lakes 
saturday morning while 29.7 inch low pressure develops over the ok 
panhandle. this low ejects northeast, reaching the upper great lakes 
at 29.7 inches sunday afternoon. monday, the low will lift into 
quebec at 29.5 inches while 30.5 inch high pressure builds over the 
central plains.



lsz264-260900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm est tue nov 25 2025

...gale warning in effect through thursday evening...

.rest of tonight...northeast gales to 45 knots. rain showers late
in the evening. snow showers. a slight chance of rain showers
after midnight. waves 7 to 10 feet occasionally to 13 feet
building to 12 to 17 feet occasionally to 21 feet. 
.wednesday...north gales to 45 knots with a few storm force gusts
to 50 knots possible diminishing to gales to 45 knots. snow
showers. waves building to 15 to 20 feet occasionally to 25 feet.
.wednesday night...north gales to 45 knots. snow showers in the
evening, then a chance of snow showers after midnight. waves
subsiding to 12 to 17 feet occasionally to 21 feet. 
.thursday...northwest gales to 40 knots. a chance of snow
showers. waves subsiding to 9 to 12 feet occasionally to 15 feet.
.thursday night...northwest gales to 35 knots diminishing to
20 to 30 knots after midnight. a slight chance of snow showers.
waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. waves subsiding to 2 to 4 feet. 
.friday night...northwest winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots becoming north 15 to
25 knots. a chance of snow showers. waves building to 2 to
4 feet. 
.sunday...northwest winds 15 to 25 knots. a chance of snow
showers. waves building to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 260300
glfls 
expires:202511260900;;513240

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue nov 25 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over west-cental wisconsin will deepen to 29.3 
inches over eastern upper michigan by wednesday afternoon. by 
thursday, the low will shift into quebec, maintaining 29.4 inches. 
meanwhile, a 30.6 inch high will develop over the canadian prairie. 
with the low lifting further northeast for friday, the high will 
weaken slightly to 30.5 inches as it moves into the mississippi 
river valley. the high then shifts over the lower great lakes 
saturday morning while 29.7 inch low pressure develops over the ok 
panhandle. this low ejects northeast, reaching the upper great lakes 
at 29.7 inches sunday afternoon. monday, the low will lift into 
quebec at 29.5 inches while 30.5 inch high pressure builds over the 
central plains.



lsz263-260900-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 pm est tue nov 25 2025

...gale warning in effect through thursday afternoon...

.rest of tonight...northeast gales to 40 knots becoming north
gales to 45 knots late. rain showers late in the evening. snow
showers. a slight chance of rain showers after midnight. waves
9 to 12 feet occasionally to 15 feet building to 15 to 20 feet
occasionally to 25 feet. 
.wednesday...north gales to 45 knots with a few storm force gusts
to 50 knots possible diminishing to gales to 45 knots. snow
showers. waves subsiding to 12 to 17 feet occasionally to
21 feet. 
.wednesday night...north gales to 45 knots becoming northwest
gales to 40 knots by midnight. a chance of snow showers. waves
subsiding to 9 to 12 feet occasionally to 15 feet. 
.thursday...northwest gales to 40 knots. a chance of snow
showers. waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.thursday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. a slight chance of snow showers.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. waves subsiding to calm to 2 feet. 
.friday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...north winds 5 to 15 knots increasing to 15 to
25 knots. a chance of snow showers. waves building to 2 to
4 feet. 
.sunday...northwest winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 

$$

fzus63 kmqt 260300
glfls 
expires:202511260900;;513239

open lake forecast for lake superior
national weather service marquette mi
1000 pm est tue nov 25 2025

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.6 inch low over west-cental wisconsin will deepen to 29.3 
inches over eastern upper michigan by wednesday afternoon. by 
thursday, the low will shift into quebec, maintaining 29.4 inches. 
meanwhile, a 30.6 inch high will develop over the canadian prairie. 
with the low lifting further northeast for friday, the high will 
weaken slightly to 30.5 inches as it moves into the mississippi 
river valley. the high then shifts over the lower great lakes 
saturday morning while 29.7 inch low pressure develops over the ok 
panhandle. this low ejects northeast, reaching the upper great lakes 
at 29.7 inches sunday afternoon. monday, the low will lift into 
quebec at 29.5 inches while 30.5 inch high pressure builds over the 
central plains.



lsz162-260900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est tue nov 25 2025 /900 pm cst tue nov 25 2025/

...gale warning in effect through thursday morning...

.rest of tonight...northeast gales to 40 knots becoming north
gales to 45 knots by midnight. a slight chance of rain showers
late in the evening. snow showers. waves 9 to 12 feet
occasionally to 15 feet building to 12 to 17 feet occasionally to
21 feet. 
.wednesday...north gales to 40 knots backing northwest by mid
afternoon. snow showers likely in the morning, then a chance of
snow showers in the afternoon. waves subsiding to 9 to 12 feet
occasionally to 15 feet. 
.wednesday night...northwest gales to 40 knots. a chance of snow
showers. waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.thursday...northwest gales to 35 knots diminishing to 20 to
30 knots in the afternoon. a slight chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.thursday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. a slight chance of snow showers in
the evening. waves subsiding to 2 to 4 feet. 
.friday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. waves subsiding to calm to 2 feet. 
.friday night...northwest winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...north winds 5 to 15 knots increasing to 10 to
20 knots. a chance of snow showers. waves building to 1 to
3 feet. 
.sunday...northwest winds 10 to 20 knots backing west. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 

$$