fzus61 kbuf 240902
glflo 
expires:202511241600;;411989

open lake forecast for lake ontario
national weather service buffalo ny
402 am est mon nov 24 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 30.2 inch high will build across the ohio valley 
today. on tuesday, a 29.5 inch low over the upper midwest will track 
toward the central great lakes. this low will then track into 
eastern ontario through wednesday night, swinging a cold front 
across the lake by later wednesday. the surface low will then track 
well north of the lake thursday and friday.


loz064-065-241600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est mon nov 24 2025

.today...northwest winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 3 to 6 feet subsiding to 2 feet or less. 
.tonight...south winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.tuesday...south winds 10 to 15 knots. showers likely in the
afternoon. waves 1 to 3 feet. 
.tuesday night...southeast winds 10 to 15 knots. showers. waves
1 to 3 feet. 
.wednesday...south winds 10 to 15 knots becoming southwest and
increasing to 30 knots. rain showers during the day, then rain
showers with snow showers likely wednesday night. waves 1 to
3 feet building to 10 to 14 feet. waves occasionally around
18 feet. 
.thursday...southwest gales to 35 knots becoming west. snow
showers with rain showers likely during the day, then snow
showers thursday night. waves 11 to 15 feet building to 12 to
17 feet. waves occasionally around 22 feet. 
.friday...northwest winds to 30 knots diminishing to 15 to
25 knots. snow showers. waves 10 to 14 feet subsiding to 6 to
9 feet. waves occasionally around 18 feet. 

$$

fzus61 kbuf 240902
glflo 
expires:202511241600;;411988

open lake forecast for lake ontario
national weather service buffalo ny
402 am est mon nov 24 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 30.2 inch high will build across the ohio valley 
today. on tuesday, a 29.5 inch low over the upper midwest will track 
toward the central great lakes. this low will then track into 
eastern ontario through wednesday night, swinging a cold front 
across the lake by later wednesday. the surface low will then track 
well north of the lake thursday and friday.


loz063-241600-
lake ontario open waters from hamlin beach to sodus bay-
402 am est mon nov 24 2025

.today...northwest winds 15 to 20 knots becoming south and
diminishing to 5 to 10 knots. waves 3 to 6 feet subsiding to 1 to
2 feet. 
.tonight...south winds 5 to 15 knots. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots becoming southeast. showers
likely in the afternoon. waves 2 feet or less. 
.tuesday night...southeast winds 10 to 15 knots becoming south.
showers likely. waves 1 to 2 feet. 
.wednesday...south winds 10 to 15 knots becoming west and
increasing to 30 knots. rain showers during the day, then rain
showers with snow showers likely wednesday night. waves 1 to
2 feet building to 10 to 14 feet. waves occasionally around
18 feet. 
.thursday...west gales to 40 knots diminishing to 30 knots. snow
showers likely. waves 11 to 15 feet building to 12 to 17 feet,
then subsiding to 11 to 15 feet. waves occasionally around
22 feet. 
.friday...northwest gales to 35 knots diminishing to 30 knots.
snow showers likely. waves 10 to 14 feet subsiding to 6 to
9 feet. waves occasionally around 18 feet. 

$$

fzus61 kbuf 240902
glflo 
expires:202511241600;;411987

open lake forecast for lake ontario
national weather service buffalo ny
402 am est mon nov 24 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 30.2 inch high will build across the ohio valley 
today. on tuesday, a 29.5 inch low over the upper midwest will track 
toward the central great lakes. this low will then track into 
eastern ontario through wednesday night, swinging a cold front 
across the lake by later wednesday. the surface low will then track 
well north of the lake thursday and friday.


loz062-241600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est mon nov 24 2025

.today...northwest winds 5 to 15 knots becoming southwest. waves
2 to 4 feet subsiding to 2 feet or less. 
.tonight...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.tuesday...south winds 5 to 10 knots becoming southeast. a chance
of showers in the morning, then showers likely in the afternoon.
waves 1 foot or less. 
.tuesday night...southeast winds 5 to 10 knots becoming south.
showers likely. waves 1 foot or less. 
.wednesday...south winds 15 to 20 knots becoming west and
increasing to 35 knot gales. rain showers during the day, then
rain showers likely with a chance of snow showers wednesday
night. waves 1 to 3 feet building to 9 to 13 feet. waves
occasionally around 16 feet. 
.thursday...west gales to 35 knots. a chance of snow showers
during the day, then snow showers likely thursday night. waves
10 to 15 feet subsiding to 9 to 12 feet. waves occasionally
around 19 feet. 
.friday...west winds to 30 knots. a chance of snow showers. waves
7 to 11 feet subsiding to 4 to 7 feet. waves occasionally around
14 feet. 

$$

fzus61 kcle 240813
glfle 
expires:202511241530;;409973

open lake forecast for lake erie
national weather service cleveland oh
313 am est mon nov 24 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...
high pressure of 30.30 inches will push east off the mid-atlantic
coast monday. low pressure of 29.80 inches across the upper 
midwest will lift a warm front north into the area on tuesday. a
cold front will follow on wednesday as the low pressure deepens 
to 29.40 inches. a surface trough will linger across the area 
through friday.


lez162-163-241530-
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-
313 am est mon nov 24 2025

...gale watch in effect from wednesday morning through late
thursday night...

.today...south winds 10 knots or less. waves 1 foot or less. 
.tonight...south winds around 10 knots. a chance of rain late.
waves 1 foot or less. 
.tuesday...southeast winds 5 to 10 knots becoming south. rain.
waves 1 foot or less. 
.tuesday night...south winds 5 to 10 knots becoming southwest and
increasing to 15 to 20 knots. a chance of rain in the evening,
then rain likely overnight. waves 1 foot or less building to 1 to
3 feet. 
.wednesday...southwest winds to 30 knots becoming west and
increasing to 35 knot gales. waves 3 to 6 feet building to 5 to
8 feet. waves occasionally around 10 feet. 
.thursday...west gales to 35 knots diminishing to 30 knots. waves
4 to 7 feet. waves occasionally around 9 feet. 
.friday...west winds to 30 knots diminishing to 10 to 15 knots.
waves 3 to 5 feet subsiding to 1 to 3 feet. 

$$

fzus61 kcle 240813
glfle 
expires:202511241530;;409974

open lake forecast for lake erie
national weather service cleveland oh
313 am est mon nov 24 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...
high pressure of 30.30 inches will push east off the mid-atlantic
coast monday. low pressure of 29.80 inches across the upper 
midwest will lift a warm front north into the area on tuesday. a
cold front will follow on wednesday as the low pressure deepens 
to 29.40 inches. a surface trough will linger across the area 
through friday.


lez164>167-241530-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
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-
313 am est mon nov 24 2025

...gale watch in effect from wednesday morning through late
thursday night...

.today...south winds 10 knots or less. waves 2 feet or less. 
.tonight...south winds 10 to 15 knots. a chance of rain late.
waves 1 to 2 feet. 
.tuesday...southeast winds 10 to 15 knots becoming south. rain.
waves 1 to 2 feet. 
.tuesday night...south winds 5 to 15 knots becoming southwest. a
chance of rain in the evening, then rain likely overnight. waves
2 feet or less. 
.wednesday...southwest gales to 35 knots becoming west. rain
likely during the day, then rain with a chance of snow wednesday
night. waves 7 to 10 feet building to 10 to 14 feet. waves
occasionally around 18 feet. 
.thursday...west gales to 35 knots diminishing to 30 knots. a
chance of snow during the day, then snow likely thursday night.
waves 10 to 14 feet. waves occasionally around 18 feet. 
.friday...west winds to 30 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. 

$$

fzus61 kcle 240813
glfle 
expires:202511241530;;409975

open lake forecast for lake erie
national weather service cleveland oh
313 am est mon nov 24 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...
high pressure of 30.30 inches will push east off the mid-atlantic
coast monday. low pressure of 29.80 inches across the upper 
midwest will lift a warm front north into the area on tuesday. a
cold front will follow on wednesday as the low pressure deepens 
to 29.40 inches. a surface trough will linger across the area 
through friday.


lez061-168-169-241530-
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-
313 am est mon nov 24 2025

...gale watch in effect from wednesday morning through late
thursday night...

.today...north winds 5 to 10 knots becoming south. waves 1 to
2 feet. 
.tonight...south winds around 10 knots. waves 1 to 2 feet. 
.tuesday...south winds 10 to 15 knots. rain. waves 1 to 2 feet. 
.tuesday night...south winds around 10 knots. rain. waves 1 to
2 feet. 
.wednesday...southwest winds to 30 knots becoming west and
increasing to 35 knot gales. rain during the day, then rain and
snow wednesday night. waves 5 to 8 feet building to 11 to
15 feet. waves occasionally around 19 feet. 
.thursday...west gales to 35 knots diminishing to 30 knots. snow.
waves 10 to 15 feet. waves occasionally around 19 feet. 
.friday...west winds to 30 knots diminishing to 15 to 20 knots.
snow likely during the day, then a chance of snow friday night.
waves 8 to 12 feet subsiding to 3 to 6 feet. waves occasionally
around 15 feet. 

$$

fzus63 kdtx 240858
glfsc 
expires:202511241700;;411719

lake st clair forecast
national weather service detroit/pontiac mi
358 am est mon nov 24 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...light to moderate southerly wind occurs between
weather systems today. the next low pressure system arrives on 
tuesday, leading to widespread rain. gales are then likely to 
develop in wednesday to thursday time frame.


lcz460-241700-
lake st clair-
358 am est mon nov 24 2025

...gale watch in effect from wednesday morning through late
thursday night...

.today...south winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon. partly sunny. waves 2 feet or less.
.tonight...south winds 10 to 15 knots diminishing to 5 to 10 knots
early in the morning. cloudy. waves 2 feet or less.
.tuesday...southeast winds 5 to 10 knots. light rain likely early in
the morning...then light rain in the late morning and early
afternoon. light rain likely early in the afternoon. waves 2 feet or
less.
.tuesday night...south winds 5 to 10 knots becoming southwest 15 to
20 knots after midnight. mostly cloudy. a chance of light rain early
in the evening. light rain likely after midnight. waves 2 feet or
less.
.wednesday...southwest winds to 30 knots increasing to 40 knot gales
in the afternoon and evening. mostly cloudy. a chance of light rain.
a chance of light snow in the afternoon and evening. waves 3 to 5
feet. waves occasionally around 7 feet.  a gale warning may be
needed.
.thursday...west at 35 knot gales with gusts to 40 knot gales.
partly cloudy. a chance of light snow. waves 4 to 6 feet. waves
occasionally around 8 feet.
.friday...west at 35 knot gales. partly cloudy. waves 3 to 5 feet.
waves occasionally around 7 feet.

$$

fzus63 kdtx 240857
glflh 
expires:202511241700;;411621

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 am est mon nov 24 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...light to moderate southerly wind occurs between
weather systems today. the next low pressure system arrives on 
tuesday, leading to widespread rain. gales are then likely to 
develop in wednesday to thursday time frame.


lhz363-462-241700-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
357 am est mon nov 24 2025

...gale watch in effect from wednesday morning through friday
morning...

.today...south winds 10 to 15 knots increasing to 15 to 20 knots
in the afternoon. waves 1 to 3 feet building to 3 to 5 feet in
the late morning and afternoon. 
.tonight...south winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. a chance of rain
after midnight. waves 3 to 5 feet. 
.tuesday...south winds 5 to 10 knots. a chance of rain. waves
1 to 3 feet. 
.tuesday night...southeast winds 5 to 10 knots becoming south
10 to 15 knots after midnight. a chance of rain in the evening...
then rain likely after midnight. waves 2 feet or less building to
2 to 4 feet after midnight. 
.wednesday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest at 40 knot gales with gusts to
45 knot gales. rain likely. snow likely. waves 6 to 9 feet
building to 15 to 20 feet. waves occasionally around 25 feet. a
gale warning may be needed. 
.thursday...west at 40 knot gales with gusts to 45 knot gales.
snow likely early in the morning...then snow early in the
evening. snow likely in the late evening and early morning. waves
18 to 23 feet. waves occasionally around 28 feet. 
.friday...northwest at 35 knot gales with gusts to 40 knot gales
becoming west 15 to 20 knots. a chance of snow. waves 14 to
18 feet subsiding to 8 to 12 feet until early morning. waves
occasionally around 23 feet. 


$$

fzus63 kdtx 240857
glflh 
expires:202511241700;;411620

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 am est mon nov 24 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...light to moderate southerly wind occurs between
weather systems today. the next low pressure system arrives on 
tuesday, leading to widespread rain. gales are then likely to 
develop in wednesday to thursday time frame.


lhz361-362-241700-
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-
357 am est mon nov 24 2025

...gale watch in effect from wednesday morning through friday
morning...

.today...south winds 10 to 15 knots increasing to 15 to 20 knots
in the afternoon. waves 1 to 3 feet building to 4 to 6 feet in
the late morning and afternoon. waves occasionally around 8 feet.
.tonight...south winds 10 to 15 knots decreasing to 5 to 10 knots
after midnight. a chance of rain. waves 3 to 5 feet. 
.tuesday...south winds 5 to 10 knots. rain likely in the
morning...then a chance of rain in the afternoon. waves 1 to
3 feet. 
.tuesday night...southeast winds 5 to 10 knots increasing to
10 to 15 knots after midnight. rain likely in the evening...then
rain after midnight. waves 1 to 3 feet building to 2 to 4 feet
after midnight. 
.wednesday...south winds 15 to 20 knots becoming southwest to
30 knots with gusts to 35 knot gales late in the morning...then
becoming west at 40 knot gales late in the afternoon. rain, snow.
waves 6 to 9 feet building to 14 to 18 feet. waves occasionally
around 23 feet. a gale warning may be needed. 
.thursday...west at 40 knot gales veering to the northwest at
35 knot gales in the late evening and early morning. gusts to
45 knot gales. snow...then snow likely in the late evening and
early morning. waves 18 to 23 feet. waves occasionally around
28 feet. 
.friday...northwest winds to 30 knots with gusts to 35 knot gales
decreasing to 15 to 20 knots. a chance of snow. waves 12 to
16 feet subsiding to 8 to 12 feet until early morning. waves
occasionally around 20 feet. 


$$

fzus63 kdtx 240857
glflh 
expires:202511241700;;411622

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 am est mon nov 24 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...light to moderate southerly wind occurs between
weather systems today. the next low pressure system arrives on 
tuesday, leading to widespread rain. gales are then likely to 
develop in wednesday to thursday time frame.


lhz463-464-241700-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
357 am est mon nov 24 2025

...gale watch in effect from wednesday morning through friday
morning...

.today...south winds 5 to 10 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 2 to 4 feet in the late morning and
afternoon. 
.tonight...south winds 15 to 20 knots decreasing to 10 to
15 knots in the late evening and overnight. waves 3 to 5 feet
subsiding to 2 to 4 feet early in the morning. 
.tuesday...south winds 10 to 15 knots becoming southeast 5 to
10 knots early in the afternoon. rain likely. waves 1 to 3 feet. 
.tuesday night...south winds 5 to 10 knots increasing to 10 to
15 knots after midnight. rain likely. waves 1 to 3 feet. 
.wednesday...south winds 15 to 20 knots with gusts to around
30 knots becoming southwest to 30 knots with gusts to 40 knot
gales late in the morning...then becoming west at 40 knot gales
with gusts to 45 knot gales late in the afternoon. rain likely.
snow likely. waves 5 to 7 feet building to 12 to 16 feet. waves
occasionally around 20 feet. a gale warning may be needed. 
.thursday...west at 40 knot gales with gusts to 45 knot gales.
snow likely. waves 14 to 18 feet. waves occasionally around
23 feet. 
.friday...west at 35 knot gales with gusts to 40 knot gales
decreasing to 15 to 20 knots. a chance of snow. waves 12 to
16 feet subsiding to 8 to 12 feet until early morning. waves
occasionally around 20 feet. 


$$

fzus63 kmkx 240848
glflm 
expires:202511241615;;411274

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
248 am cst mon nov 24 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...

southerly winds will increase today as low pressure around 29.7
inches develops in the northern plains. the low will strengthen
to 29.6 inches as it tracks across minnesota on tuesday. the 
associated cold front will surge across southern lake michigan 
tuesday night and expand into northern lake michigan wednesday as
the low further deepens to 29.3 inches over eastern lake 
superior. the strong low will generally maintain its strength as
it crosses ontario wednesday night and quebec on thursday.

westerly gales will likely develop over southern lake michigan 
early wednesday morning and expand into the north half several
hours later. the westerly gales will become northwesterly 
wednesday night and persist into thursday afternoon before 
diminishing. a gale watch is in effect.

winds will diminish as high pressure of 30.5 inches crosses the
midwest on friday. look for southerly winds to develop sunday as
low pressure develops over the western half of the country.


lmz261-362-364-366-563-565-567-868-241615-
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 point betsie to manistee mi 5 nm offshore to
mid lake-
lake michigan from rock island passage to sturgeon bay wi-
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-
248 am cst mon nov 24 2025

sheboygan wi to pentwater mi north...

...gale watch in effect from wednesday morning through late
thursday night...

.today...south winds 15 to 25 kt becoming southwest. slight
chance of rain this afternoon. waves 3 to 5 ft building to 4 to
7 ft occasionally to 9 ft. 
.tonight...southwest winds 10 to 20 kt becoming south 5 to 10 kt.
chance of rain. waves 4 to 6 ft occasionally to 8 ft subsiding to
2 to 4 ft. 
.tuesday...south winds 5 to 10 kt increasing to 10 to 15 kt.
chance of rain. waves 1 to 3 ft. 
.tuesday night...south winds 10 to 20 kt becoming southwest to
30 kt overnight. rain. waves 2 to 4 ft building to 6 to 9 ft
occasionally to 12 ft. 
.wednesday...west gales to 40 kt increasing to gales to 45 kt.
rain in the morning, then rain and snow in the afternoon. waves
12 to 16 ft occasionally to 21 ft. 
.wednesday night...northwest gales to 45 kt diminishing to gales
to 40 kt. snow. waves 12 to 16 ft occasionally to 21 ft. 
.thursday...northwest gales to 40 kt. chance of snow. waves 10 to
14 ft occasionally to 18 ft subsiding to 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.  

$$

fzus63 kmkx 240848
glflm 
expires:202511241615;;411275

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
248 am cst mon nov 24 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...

southerly winds will increase today as low pressure around 29.7
inches develops in the northern plains. the low will strengthen
to 29.6 inches as it tracks across minnesota on tuesday. the 
associated cold front will surge across southern lake michigan 
tuesday night and expand into northern lake michigan wednesday as
the low further deepens to 29.3 inches over eastern lake 
superior. the strong low will generally maintain its strength as
it crosses ontario wednesday night and quebec on thursday.

westerly gales will likely develop over southern lake michigan 
early wednesday morning and expand into the north half several
hours later. the westerly gales will become northwesterly 
wednesday night and persist into thursday afternoon before 
diminishing. a gale watch is in effect.

winds will diminish as high pressure of 30.5 inches crosses the
midwest on friday. look for southerly winds to develop sunday as
low pressure develops over the western half of the country.


lmz080-669-671-673-675-777-779-870-872-874-876-878-241615-
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-
248 am cst mon nov 24 2025

sheboygan wi to pentwater mi south...

...gale watch in effect from late tuesday night through thursday
evening...

.today...south winds 10 to 20 kt increasing to 15 to 25 kt. waves
3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
.tonight...south winds 10 to 20 kt diminishing to 10 to 15 kt.
chance of rain in the evening, then rain likely overnight. waves
4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.tuesday...south winds 5 to 10 kt. chance of rain. waves 1 to
3 ft subsiding to 1 to 2 ft. 
.tuesday night...south winds 10 to 20 kt becoming west gales to
35 kt overnight. rain in the evening, then chance of rain
overnight. waves 2 to 4 ft building to 8 to 11 ft occasionally to
14 ft. 
.wednesday...west gales to 45 kt. rain and snow likely in the
morning, then snow likely in the afternoon. waves 12 to 16 ft
occasionally to 21 ft building to 14 to 18 ft occasionally to
23 ft. 
.wednesday night...west gales to 45 kt diminishing to gales to
40 kt. chance of snow. waves 14 to 18 ft occasionally to 23 ft. 
.thursday...northwest gales to 40 kt. chance of snow. waves 12 to
16 ft occasionally to 21 ft. 
.friday...northwest winds to 30 kt diminishing to 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 7 ft
occasionally to 9 ft.  

$$

fzus63 kmqt 240900
glfls 
expires:202511242100;;411826

open lake forecast for lake superior
national weather service marquette mi
400 am est mon nov 24 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 29.8 inch trough over minnesota early this morning moves over the 
lake today. tonight into tuesday, a 29.8 inch low will organize just 
west of the great lakes, deepening to 29.6 inches tuesday night over 
the upper peninsula and passing over eastern lake superior at 29.4 
inches wednesday. this low deepens further to 29.3 inches over 
quebec thursday while 30.5 inch high pressure builds over the 
northern great plains. this high moves over lake superior friday 
into the weekend.



lsz267-242100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am est mon nov 24 2025

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

.early this morning...south winds 20 to 30 knots. waves 2 to
4 feet building to 3 to 5 feet occasionally to 7 feet. 
.today...south winds 20 to 30 knots veering southwest by late
morning, then diminishing to 10 to 20 knots by mid afternoon.
waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots veering northeast by
midnight, then veering east late. a slight chance of rain after
midnight. waves subsiding to calm to 2 feet. 
.tuesday...east winds 5 to 15 knots increasing to 15 to 25 knots.
rain. waves building to 3 to 5 feet occasionally to 7 feet. 
.tuesday night...east winds 15 to 25 knots. rain. waves building
to 3 to 6 feet occasionally to 8 feet. 
.wednesday...south winds 20 to 30 knots becoming north gales to
35 knots in the afternoon. rain, possibly mixed with snow. waves
building to 9 to 12 feet occasionally to 15 feet. 
.wednesday night...north gales to 35 knots becoming northwest
gales to 45 knots after midnight. snow showers. waves building to
12 to 17 feet occasionally to 21 feet. 
.thursday...northwest gales to 45 knots. snow showers. waves
subsiding to 8 to 11 feet occasionally to 14 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. snow showers likely. waves subsiding to 2 to 4 feet. 

$$

fzus63 kmqt 240900
glfls 
expires:202511242100;;411821

open lake forecast for lake superior
national weather service marquette mi
400 am est mon nov 24 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 29.8 inch trough over minnesota early this morning moves over the 
lake today. tonight into tuesday, a 29.8 inch low will organize just 
west of the great lakes, deepening to 29.6 inches tuesday night over 
the upper peninsula and passing over eastern lake superior at 29.4 
inches wednesday. this low deepens further to 29.3 inches over 
quebec thursday while 30.5 inch high pressure builds over the 
northern great plains. this high moves over lake superior friday 
into the weekend.



lsz162-242100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est mon nov 24 2025 /300 am cst mon nov 24 2025/

...gale watch in effect from tuesday evening through thursday
morning...

.early this morning...southwest winds 10 to 20 knots. waves 1 to
3 feet. 
.today...southwest winds 10 to 20 knots becoming west 5 to
15 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.tonight...north winds 5 to 15 knots becoming northeast 10 to
20 knots by midnight, then veering east late. a slight chance of
rain after midnight. waves building to 2 to 4 feet. 
.tuesday...northeast winds 15 to 25 knots increasing to 20 to
30 knots. rain. snow in the afternoon. waves building to 6 to
9 feet occasionally to 11 feet. 
.tuesday night...northeast gales to 35 knots becoming north gales
to 40 knots after midnight. rain in the evening. snow. a slight
chance of rain after midnight. waves building to 10 to 14 feet
occasionally to 18 feet, then subsiding to 8 to 11 feet
occasionally to 14 feet. 
.wednesday...north gales to 40 knots backing northwest in the
afternoon. snow. waves subsiding to 7 to 10 feet occasionally to
13 feet. 
.wednesday night...northwest gales to 35 knots. a chance of snow
showers. waves subsiding to 4 to 7 feet occasionally to 9 feet. 
.thursday...northwest gales to 35 knots diminishing to 15 to
25 knots. waves subsiding to 1 to 3 feet. 
.friday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 240900
glfls 
expires:202511242100;;411822

open lake forecast for lake superior
national weather service marquette mi
400 am est mon nov 24 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 29.8 inch trough over minnesota early this morning moves over the 
lake today. tonight into tuesday, a 29.8 inch low will organize just 
west of the great lakes, deepening to 29.6 inches tuesday night over 
the upper peninsula and passing over eastern lake superior at 29.4 
inches wednesday. this low deepens further to 29.3 inches over 
quebec thursday while 30.5 inch high pressure builds over the 
northern great plains. this high moves over lake superior friday 
into the weekend.



lsz263-242100-
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-
400 am est mon nov 24 2025

...gale watch in effect from tuesday evening through thursday
morning...

.early this morning...southwest winds 15 to 25 knots. waves 2 to
4 feet. 
.today...southwest winds 10 to 20 knots veering west by late
morning, then diminishing to 5 to 15 knots by mid afternoon.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 1 to 3 feet. 
.tonight...north winds 5 to 15 knots veering east late. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.tuesday...northeast winds 10 to 20 knots increasing to 20 to
30 knots. a chance of rain in the morning, then rain, possibly
mixed with snow in the afternoon. waves building to 6 to 9 feet
occasionally to 11 feet. 
.tuesday night...northeast gales to 40 knots becoming north gales
to 45 knots after midnight. rain in the evening. snow. a slight
chance of rain after midnight. waves building to 10 to 14 feet
occasionally to 18 feet. 
.wednesday...north gales to 45 knots. snow. waves building to
12 to 17 feet occasionally to 21 feet, then subsiding to 10 to
14 feet occasionally to 18 feet. 
.wednesday night...northwest gales to 40 knots. snow showers
likely in the evening, then a chance of snow showers after
midnight. waves subsiding to 8 to 11 feet occasionally to
14 feet. 
.thursday...northwest gales to 35 knots diminishing to 20 to
30 knots. a chance of snow showers. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.friday...northwest winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 240900
glfls 
expires:202511242100;;411823

open lake forecast for lake superior
national weather service marquette mi
400 am est mon nov 24 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 29.8 inch trough over minnesota early this morning moves over the 
lake today. tonight into tuesday, a 29.8 inch low will organize just 
west of the great lakes, deepening to 29.6 inches tuesday night over 
the upper peninsula and passing over eastern lake superior at 29.4 
inches wednesday. this low deepens further to 29.3 inches over 
quebec thursday while 30.5 inch high pressure builds over the 
northern great plains. this high moves over lake superior friday 
into the weekend.



lsz264-242100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am est mon nov 24 2025

...gale watch in effect from tuesday evening through thursday
evening...

.early this morning...southwest winds 15 to 25 knots. waves 2 to
4 feet. 
.today...southwest winds 15 to 25 knots veering west by late
morning, then diminishing to 5 to 15 knots by mid afternoon.
waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet. 
.tonight...north winds 5 to 15 knots veering northeast by
midnight. waves subsiding to calm to 2 feet. 
.tuesday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a slight chance of rain in the
morning, then rain likely, possibly mixed with snow in the
afternoon. waves building to 3 to 6 feet occasionally to 8 feet. 
.tuesday night...northeast gales to 45 knots. rain in the
evening. snow. a slight chance of rain after midnight. waves
building to 10 to 14 feet occasionally to 18 feet. 
.wednesday...north gales to 45 knots. snow. waves building to
12 to 17 feet occasionally to 21 feet. 
.wednesday night...north gales to 40 knots backing northwest
after midnight. snow showers. waves subsiding to 11 to 15 feet
occasionally to 19 feet. 
.thursday...northwest gales to 40 knots. a chance of snow
showers. waves subsiding to 5 to 8 feet occasionally to 10 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 240900
glfls 
expires:202511242100;;411824

open lake forecast for lake superior
national weather service marquette mi
400 am est mon nov 24 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 29.8 inch trough over minnesota early this morning moves over the 
lake today. tonight into tuesday, a 29.8 inch low will organize just 
west of the great lakes, deepening to 29.6 inches tuesday night over 
the upper peninsula and passing over eastern lake superior at 29.4 
inches wednesday. this low deepens further to 29.3 inches over 
quebec thursday while 30.5 inch high pressure builds over the 
northern great plains. this high moves over lake superior friday 
into the weekend.



lsz265-242100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am est mon nov 24 2025

...gale watch in effect from late tuesday night through thursday
evening...

.early this morning...south winds 15 to 25 knots. waves calm to
2 feet building to 1 to 3 feet. 
.today...southwest winds 15 to 25 knots becoming west 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.tonight...north winds 5 to 15 knots veering northeast by
midnight. a slight chance of rain after midnight. waves calm to
2 feet. 
.tuesday...northeast winds 10 to 20 knots increasing to 20 to
30 knots by mid afternoon. a chance of rain in the morning, then
rain in the afternoon. waves building to 3 to 6 feet occasionally
to 8 feet. 
.tuesday night...northeast winds 20 to 30 knots increasing to
gales to 35 knots after midnight. rain. snow after midnight.
waves building to 8 to 11 feet occasionally to 14 feet, then
subsiding to 6 to 9 feet occasionally to 11 feet. 
.wednesday...north gales to 45 knots. snow. waves building to
12 to 17 feet occasionally to 21 feet. 
.wednesday night...northwest storm force winds to 50 knots
diminishing to gales to 45 knots after midnight. snow showers.
waves 12 to 17 feet occasionally to 21 feet. 
.thursday...northwest gales to 40 knots. 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. a chance of snow showers. waves subsiding to calm to
2 feet. 

$$

fzus63 kmqt 240900
glfls 
expires:202511242100;;411825

open lake forecast for lake superior
national weather service marquette mi
400 am est mon nov 24 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 29.8 inch trough over minnesota early this morning moves over the 
lake today. tonight into tuesday, a 29.8 inch low will organize just 
west of the great lakes, deepening to 29.6 inches tuesday night over 
the upper peninsula and passing over eastern lake superior at 29.4 
inches wednesday. this low deepens further to 29.3 inches over 
quebec thursday while 30.5 inch high pressure builds over the 
northern great plains. this high moves over lake superior friday 
into the weekend.



lsz266-242100-
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-
400 am est mon nov 24 2025

...gale watch in effect from late tuesday night through late
thursday night...

.early this morning...south winds 15 to 25 knots. waves 2 to
4 feet building to 3 to 5 feet occasionally to 7 feet. 
.today...southwest winds 15 to 25 knots becoming west 10 to
20 knots by mid afternoon. waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 2 to 4 feet. 
.tonight...north winds 5 to 15 knots veering northeast by
midnight. a slight chance of rain after midnight. waves subsiding
to calm to 2 feet. 
.tuesday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. a chance of rain in the morning, then
rain in the afternoon. waves building to 3 to 6 feet occasionally
to 8 feet. 
.tuesday night...northeast gales to 40 knots. a slight chance of
snow in the evening. rain. snow after midnight. waves building to
9 to 12 feet occasionally to 15 feet, then subsiding to 7 to
10 feet occasionally to 13 feet. 
.wednesday...north gales to 45 knots. rain in the morning. snow.
waves building to 12 to 17 feet occasionally to 21 feet. 
.wednesday night...north gales to 45 knots increasing to storm
force winds to 50 knots after midnight. snow showers. waves
building to 15 to 20 feet occasionally to 25 feet. 
.thursday...northwest gales to 45 knots. snow showers. waves
subsiding to 8 to 11 feet occasionally to 14 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. a chance of snow showers. waves subsiding to 2 to
4 feet. 

$$