fzus61 kbuf 232102
glflo 
expires:202511240400;;383184

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sun nov 23 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 29.5 inch low over quebec will weaken as it 
continues to track east tonight. its earlier passing cold front 
across the lake and forcing are helping with the shower potential 
over/near the lake through tonight. a 30.2 inch high is then 
forecast to build across the ohio valley monday. on tuesday a 29.5 
inch low over the upper midwest will track toward the central great 
lakes. the sfc 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.


loz064-065-240400-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 pm est sun nov 23 2025

.tonight...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. rain showers likely early, then a
chance of rain showers late this evening. waves 6 to 10 feet
subsiding to 5 to 8 feet. waves occasionally around 13 feet. 
.monday...northwest winds 15 to 20 knots becoming southwest 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.monday night...south winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday...south winds 10 to 15 knots becoming southeast. showers
likely in the afternoon. waves 1 to 3 feet. 
.tuesday night...southeast winds 10 to 15 knots becoming south.
showers. waves 1 to 2 feet. 
.wednesday...south winds 10 to 15 knots becoming west and
increasing to 35 knot gales. rain showers during the day, then
lake effect rain showers with lake effect snow showers likely
wednesday night. waves 1 to 2 feet building to 10 to 15 feet.
waves occasionally around 19 feet. 
.thursday...west gales to 35 knots. lake effect rain and snow
showers likely during the day, then lake effect snow showers
likely thursday night. waves 12 to 17 feet subsiding to 11 to
15 feet. waves occasionally around 22 feet. 
.friday...northwest gales to 35 knots diminishing to 15 to
25 knots. lake effect snow showers likely. waves 10 to 14 feet
subsiding to 7 to 10 feet. waves occasionally around 18 feet. 

$$

fzus61 kbuf 232102
glflo 
expires:202511240400;;383183

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sun nov 23 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 29.5 inch low over quebec will weaken as it 
continues to track east tonight. its earlier passing cold front 
across the lake and forcing are helping with the shower potential 
over/near the lake through tonight. a 30.2 inch high is then 
forecast to build across the ohio valley monday. on tuesday a 29.5 
inch low over the upper midwest will track toward the central great 
lakes. the sfc 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.


loz063-240400-
lake ontario open waters from hamlin beach to sodus bay-
402 pm est sun nov 23 2025

.tonight...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. showers likely this evening, then
a chance of showers after midnight. waves 6 to 10 feet subsiding
to 5 to 8 feet. waves occasionally around 13 feet. 
.monday...northwest winds 15 to 20 knots becoming south 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.monday night...south winds 10 to 15 knots. waves 2 feet or less.
.tuesday...south winds 5 to 15 knots becoming southeast. showers
likely in the afternoon. waves 2 feet or less. 
.tuesday night...southeast winds 5 to 15 knots becoming south.
showers likely. waves 2 feet or less. 
.wednesday...south winds 10 to 15 knots becoming west and
increasing to 35 knot gales. rain showers likely during the day,
then lake effect rain and snow showers likely wednesday night.
waves 1 to 2 feet building to 10 to 15 feet. waves occasionally
around 19 feet. 
.thursday...west gales to 35 knots. lake effect snow and rain
showers likely during the day, then lake effect snow showers
likely thursday night. waves 12 to 17 feet subsiding to 11 to
15 feet. waves occasionally around 22 feet. 
.friday...west gales to 35 knots becoming northwest. lake effect
snow showers likely. waves 10 to 13 feet subsiding to 7 to
10 feet. waves occasionally around 16 feet. 

$$

fzus61 kbuf 232102
glflo 
expires:202511240400;;383182

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est sun nov 23 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 29.5 inch low over quebec will weaken as it 
continues to track east tonight. its earlier passing cold front 
across the lake and forcing are helping with the shower potential 
over/near the lake through tonight. a 30.2 inch high is then 
forecast to build across the ohio valley monday. on tuesday a 29.5 
inch low over the upper midwest will track toward the central great 
lakes. the sfc 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.


loz062-240400-
lake ontario open waters from the niagara river to hamlin beach-
402 pm est sun nov 23 2025

.tonight...west winds 15 to 25 knots becoming northwest. a chance
of showers this evening. waves 5 to 8 feet subsiding to 3 to
6 feet. waves occasionally around 10 feet. 
.monday...west winds 5 to 15 knots becoming southwest. waves 2 to
4 feet subsiding to 1 to 2 feet. 
.monday night...south winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots becoming southeast. 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 likely during the day,
then rain showers likely with a chance of snow showers wednesday
night. waves 1 to 3 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 showers. waves 11 to 16 feet subsiding to 10 to
14 feet. waves occasionally around 20 feet. 
.friday...west winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. a chance of snow showers. waves
7 to 11 feet subsiding to 4 to 7 feet. waves occasionally around
14 feet. 

$$

fzus61 kcle 231949
glfle 
expires:202511240315;;379604

open lake forecast for lake erie
national weather service cleveland oh
249 pm est sun nov 23 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 30.30 inches will build over lake erie tonight and 
monday. another area of low pressure 29.70 inches will lift into 
the upper midwest tuesday. this low will lift a warm front north 
through the region on tuesday, followed by a cold front on 
wednesday as the low deepens to 29.20 inches over the northern 
great lakes. a surface trough averaging 29.90 inches will then 
linger across the area through friday.


lez162>164-240315-
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-
249 pm est sun nov 23 2025

.tonight...west winds 5 to 15 knots diminishing to less than
10 knots. waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots becoming south. waves
1 foot or less. 
.monday night...south winds around 10 knots. rain likely
overnight. waves 1 foot or less. 
.tuesday...southeast winds 5 to 10 knots becoming south. rain.
waves 2 feet or less. 
.tuesday night...southwest winds 5 to 10 knots increasing to
15 to 20 knots. a chance of rain overnight. waves 1 foot or less
building to 1 to 3 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west to
30 knots. a chance of rain during the day, then a chance of snow
wednesday night. waves 3 to 5 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.thursday...west winds to 30 knots. a chance of snow thursday
night. waves 5 to 8 feet. waves occasionally around 10 feet. 
.friday...west winds 15 to 25 knots. waves 3 to 6 feet subsiding
to 1 to 3 feet. 

$$

fzus61 kcle 231949
glfle 
expires:202511240315;;379605

open lake forecast for lake erie
national weather service cleveland oh
249 pm est sun nov 23 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 30.30 inches will build over lake erie tonight and 
monday. another area of low pressure 29.70 inches will lift into 
the upper midwest tuesday. this low will lift a warm front north 
through the region on tuesday, followed by a cold front on 
wednesday as the low deepens to 29.20 inches over the northern 
great lakes. a surface trough averaging 29.90 inches will then 
linger across the area through friday.


lez165>167-240315-
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-
249 pm est sun nov 23 2025

.tonight...west winds 15 to 20 knots diminishing to 5 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.monday...southwest winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 
.monday night...south winds 10 to 15 knots. a chance of rain
overnight. waves 1 to 2 feet. 
.tuesday...south winds 10 to 15 knots. rain. waves 1 to 3 feet. 
.tuesday night...southwest winds 5 to 15 knots increasing to
15 to 20 knots. a chance of rain in the evening, then rain likely
overnight. waves 1 to 3 feet. 
.wednesday...southwest winds to 30 knots becoming west and
increasing to 35 knot gales. rain likely during the day, then
snow and rain likely wednesday night. waves 5 to 8 feet building
to 9 to 13 feet. waves occasionally around 16 feet. 
.thursday...west gales to 35 knots diminishing to 30 knots. a
chance of snow. waves 8 to 12 feet. waves occasionally around
15 feet. 
.friday...west winds to 30 knots diminishing to 15 to 20 knots. a
chance of snow during the day. waves 5 to 9 feet subsiding to
3 to 6 feet. waves occasionally around 11 feet. 

$$

fzus61 kcle 231949
glfle 
expires:202511240315;;379606

open lake forecast for lake erie
national weather service cleveland oh
249 pm est sun nov 23 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 30.30 inches will build over lake erie tonight and 
monday. another area of low pressure 29.70 inches will lift into 
the upper midwest tuesday. this low will lift a warm front north 
through the region on tuesday, followed by a cold front on 
wednesday as the low deepens to 29.20 inches over the northern 
great lakes. a surface trough averaging 29.90 inches will then 
linger across the area through friday.


lez061-168-169-240315-
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-
249 pm est sun nov 23 2025

.tonight...west winds 15 to 25 knots becoming northwest and
diminishing to 5 to 10 knots. waves 4 to 7 feet subsiding to 1 to
3 feet. waves occasionally around 9 feet. 
.monday...south winds 10 knots or less. waves 1 to 2 feet. 
.monday night...south winds 10 to 15 knots. waves 1 to 2 feet. 
.tuesday...south winds 10 to 15 knots. rain. waves 1 to 2 feet. 
.tuesday night...south winds 10 to 15 knots becoming southwest.
rain likely. waves 1 to 2 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west and
increasing to 35 knot gales. rain during the day, then rain and
snow likely wednesday night. waves 4 to 7 feet building to 10 to
14 feet. waves occasionally around 18 feet. 
.thursday...west gales to 35 knots. snow likely. waves 10 to
14 feet. waves occasionally around 18 feet. 
.friday...west winds to 30 knots diminishing to 15 to 20 knots. a
chance of snow. waves 8 to 11 feet subsiding to 4 to 6 feet.
waves occasionally around 14 feet. 

$$

fzus63 kdtx 232058
glflh 
expires:202511240500;;382891

open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm est sun nov 23 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...winds quickly diminish by this evening as a ridge of
high pressure, 30.20 inches, moves into the region. light to
moderate southerly flow on monday. next low pressure system
arrives on tuesday, leading to widespread rain. gales are then
likely to develop in wednesday- thursday time frame.


lhz361-362-240500-
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-
358 pm est sun nov 23 2025

.tonight...northwest winds 15 to 25 knots with gusts to 30 knots 
becoming west 10 to 15 knots late in the evening...then decreasing
to 5 to 10 knots after midnight backing to the south early in the
morning. waves 6 to 9 feet subsiding to 3 to 5 feet after 
midnight. waves occasionally around 12 feet. 
.monday...south winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. waves 1 to 3 feet building to
4 to 6 feet in the late morning and afternoon. waves occasionally
around 8 feet. 
.monday night...south winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. a chance of rain in
the evening...then rain likely after midnight. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.tuesday...southeast winds 5 to 10 knots. rain likely. 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
increasing to 40 knot gales late in the afternoon. rain, snow.
waves 6 to 9 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 early in the morning...then snow likely until early morning.
waves 12 to 16 feet. waves occasionally around 20 feet. 
.friday...northwest winds to 30 knots with gusts to 35 knot gales
decreasing to 15 to 20 knots. a chance of snow. waves 8 to
12 feet subsiding to 5 to 7 feet until early morning. waves
occasionally around 15 feet. 


$$

fzus63 kdtx 232058
glflh 
expires:202511240500;;382892

open lake forecast for lake huron
national weather service detroit/pontiac mi
358 pm est sun nov 23 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...winds quickly diminish by this evening as a ridge of
high pressure, 30.20 inches, moves into the region. light to
moderate southerly flow on monday. next low pressure system
arrives on tuesday, leading to widespread rain. gales are then
likely to develop in wednesday- thursday time frame.


lhz363-462>464-240500-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
358 pm est sun nov 23 2025

.tonight...northwest winds 15 to 25 knots decreasing to 10 to 15 
knots late in the evening...then becoming west 5 to 10 knots after
midnight backing to the southwest early in the morning. waves 5 
to 7 feet subsiding to 2 to 4 feet early in the morning. waves 
occasionally around 10 feet. 
.monday...south winds 10 to 15 knots increasing to 15 to 20 knots
in the late morning and afternoon. waves 1 to 3 feet building to
3 to 5 feet in the late morning and afternoon. 
.monday night...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...south winds 5 to 10 knots increasing to 10 to
15 knots after midnight. a chance of rain in the evening...then
rain likely after midnight. waves 1 to 3 feet 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 8 to 12 feet
building to 14 to 18 feet. waves occasionally around 23 feet. a
gale warning may be needed. 
.thursday...west at 40 knot gales with gusts to 45 knot gales.
snow likely. waves 12 to 16 feet. waves occasionally around
20 feet. 
.friday...west at 35 knot gales with gusts to 40 knot gales
decreasing to 15 to 20 knots. a chance of snow. waves 10 to
14 feet subsiding to 5 to 7 feet until early morning. waves
occasionally around 18 feet. 


$$

fzus63 kdtx 232058
glfsc 
expires:202511240500;;382866

lake st clair forecast
national weather service detroit/pontiac mi
358 pm est sun nov 23 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...winds quickly diminish by this evening as a ridge of
high pressure, 30.20 inches, moves into the region. light to
moderate southerly flow on monday. next low pressure system
arrives on tuesday, leading to occasional rain. gales are then
likely to develop in wednesday- thursday time frame.


lcz460-240500-
lake st clair-
358 pm est sun nov 23 2025

.tonight...west winds around 15 knots into the evening, then becoming
light and variable. mostly clear. waves 2 feet or less.
.monday...south winds 5 to 10 knots increasing to 10 to 15 knots in
the afternoon. partly sunny. waves 2 feet or less.
.monday night...south winds 10 to 15 knots diminishing to 5 to 10
knots after midnight. cloudy. a chance of light rain after midnight.
waves 2 feet or less.
.tuesday...south winds 5 to 10 knots. cloudy with a chance of light
rain. waves 2 feet or less.
.tuesday night...southwest winds 5 to 10 knots increasing to 15 to
20 knots after midnight. mostly cloudy with a chance of light rain.
waves 2 feet or less.
.wednesday...southwest winds 20 to 25 knots with gusts to 30 knots
becoming west at 35 knot gales with gusts to 40 knot gales in the
afternoon and evening. mostly cloudy. a chance of light rain. a
chance of light snow in the 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 3 to 5 feet. waves
occasionally around 7 feet.
.friday...west at 35 knot gales. partly cloudy. waves 2 to 4 feet.

$$

fzus63 kmkx 232004
glflm 
expires:202511240415;;380390

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
204 pm cst sun nov 23 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...

winds will turn southwesterly tonight, as high pressure moves into
the mid atlantic region. winds will turns southerly and increase 
on monday as low pressure around 29.8 inches develops in the 
middle mississippi valley. southerly winds will continue into 
tuesday as low pressure deepens to 29.6 inches over minnesota. 
tuesday night, a cold front from this low will surge eastward 
across the lake as the low continues to deepen, bringing westerly 
gales by wednesday morning. westerly gales will become 
northwesterly wednesday night, continuing into thursday morning 
before diminishing as low pressure finally lifts northward into 
northern quebec.


lmz080-669-671-673-675-777-779-870-872-874-876-878-240415-
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-
204 pm cst sun nov 23 2025

sheboygan wi to pentwater mi south...

.tonight...southwest winds 5 to 10 kt becoming south 10 to 20 kt.
waves 1 to 3 ft. 
.monday...south winds 15 to 25 kt diminishing to 10 to 20 kt.
areas of drizzle in the afternoon. waves 2 to 4 ft building to
4 to 6 ft occasionally to 8 ft. 
.monday night...south winds 10 to 20 kt diminishing to 10 to
15 kt. widespread drizzle and rain likely 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 becoming southwest. chance of
rain. waves 1 to 3 ft. 
.tuesday night...southwest winds 10 to 20 kt becoming west gales
to 35 kt overnight. rain in the evening, then chance of rain
overnight. waves 3 to 5 ft building to 8 to 12 ft occasionally to
16 ft. 
.wednesday...west gales to 45 kt. chance of rain in the morning,
then chance of snow in the afternoon. waves 14 to 18 ft
occasionally to 23 ft building to 15 to 20 ft occasionally to
26 ft. 
.wednesday night...west gales to 45 kt. chance of snow. waves
15 to 20 ft occasionally to 26 ft. 
.thursday...northwest gales to 40 kt. chance of snow. waves 15 to
20 ft occasionally to 26 ft. 
.friday...northwest winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 7 to 10 ft occasionally to 13 ft subsiding to 5 to 8 ft
occasionally to 10 ft.  

$$

fzus63 kmkx 232004
glflm 
expires:202511240415;;380389

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
204 pm cst sun nov 23 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...

winds will turn southwesterly tonight, as high pressure moves into
the mid atlantic region. winds will turns southerly and increase 
on monday as low pressure around 29.8 inches develops in the 
middle mississippi valley. southerly winds will continue into 
tuesday as low pressure deepens to 29.6 inches over minnesota. 
tuesday night, a cold front from this low will surge eastward 
across the lake as the low continues to deepen, bringing westerly 
gales by wednesday morning. westerly gales will become 
northwesterly wednesday night, continuing into thursday morning 
before diminishing as low pressure finally lifts northward into 
northern quebec.


lmz261-362-364-366-563-565-567-868-240415-
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-
204 pm cst sun nov 23 2025

sheboygan wi to pentwater mi north...

.tonight...west winds 10 to 15 kt becoming southwest late this
evening, then increasing to 10 to 20 kt after midnight increasing
to 15 to 25 kt late. waves 1 to 3 ft building to 2 to 4 ft. 
.monday...southwest winds to 30 kt. patchy drizzle in the
afternoon. waves 4 to 6 ft occasionally to 8 ft building to 5 to
8 ft occasionally to 10 ft. 
.monday night...southwest winds 10 to 20 kt becoming south 5 to
10 kt. rain likely. waves 4 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft. 
.tuesday...south winds 10 to 15 kt. rain likely. 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 7 to 10 ft
occasionally to 13 ft. 
.wednesday...west gales to 40 kt increasing to storm force winds
to 50 kt in the afternoon. rain with snow likely in the morning,
then snow in the afternoon. waves 12 to 16 ft occasionally to
21 ft. 
.wednesday night...west storm force winds to 55 kt becoming
northwest. snow. waves 14 to 18 ft occasionally to 23 ft. 
.thursday...northwest gales to 45 kt diminishing to gales to
40 kt. chance of snow. waves 12 to 16 ft occasionally to 21 ft. 
.friday...northwest winds to 30 kt diminishing to 15 to 25 kt.
chance of snow. waves 5 to 8 ft occasionally to 10 ft subsiding
to 4 to 6 ft occasionally to 8 ft.  

$$

fzus63 kmqt 232101
glfls 
expires:202511240900;;383021

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun nov 23 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 currently resides on the quebec/ontario line 
south of james bay, dissipating as it tracks east through this 
evening. meanwhile, a 30.2 inch high passing south of the great 
lakes through this evening will result in a 30.0 inch ridge passing 
over the lake. in its wake, a 29.8 inch trough will pass just north 
of lake superior tonight through monday. monday night into tuesday, 
a 29.8 inch low will organize just west of the great lakes, 
deepening to 29.6 inches tuesday night over the michigan 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.



lsz162-240900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est sun nov 23 2025 /300 pm cst sun nov 23 2025/

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

$$

fzus63 kmqt 232101
glfls 
expires:202511240900;;383022

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun nov 23 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 currently resides on the quebec/ontario line 
south of james bay, dissipating as it tracks east through this 
evening. meanwhile, a 30.2 inch high passing south of the great 
lakes through this evening will result in a 30.0 inch ridge passing 
over the lake. in its wake, a 29.8 inch trough will pass just north 
of lake superior tonight through monday. monday night into tuesday, 
a 29.8 inch low will organize just west of the great lakes, 
deepening to 29.6 inches tuesday night over the michigan 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.



lsz263-240900-
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 pm est sun nov 23 2025

.late this afternoon...southwest winds 5 to 15 knots. waves 1 to
3 feet. 
.tonight...south winds 5 to 15 knots increasing to 10 to 20 knots
by midnight, then veering southwest late. waves subsiding to calm
to 2 feet, then building to 1 to 3 feet. 
.monday...west winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves building to 2 to 4 feet, then subsiding
to calm to 2 feet. 
.monday night...northeast winds 5 to 15 knots. a slight chance of
rain showers after midnight. waves calm to 2 feet. 
.tuesday...northeast winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. a chance of rain showers in the
morning, then rain showers likely in the afternoon. waves
building to 2 to 4 feet. 
.tuesday night...northeast winds 20 to 30 knots becoming north
gales to 40 knots after midnight. rain showers in the evening.
snow showers. waves building to 8 to 11 feet occasionally to
14 feet. 
.wednesday...north gales to 45 knots backing northwest in the
afternoon. snow showers. waves building to 9 to 12 feet
occasionally to 15 feet, then subsiding to 7 to 10 feet
occasionally to 13 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 6 to 9 feet occasionally to 11 feet.
.thursday...northwest gales to 40 knots diminishing to 20 to
30 knots. a chance of snow showers. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.friday...northwest winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 232101
glfls 
expires:202511240900;;383023

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun nov 23 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 currently resides on the quebec/ontario line 
south of james bay, dissipating as it tracks east through this 
evening. meanwhile, a 30.2 inch high passing south of the great 
lakes through this evening will result in a 30.0 inch ridge passing 
over the lake. in its wake, a 29.8 inch trough will pass just north 
of lake superior tonight through monday. monday night into tuesday, 
a 29.8 inch low will organize just west of the great lakes, 
deepening to 29.6 inches tuesday night over the michigan 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.



lsz264-240900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est sun nov 23 2025

.late this afternoon...southwest winds 5 to 15 knots. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots backing south by
midnight, then increasing to 10 to 20 knots late. waves subsiding
to calm to 2 feet, then building to 1 to 3 feet. 
.monday...west winds 10 to 20 knots becoming northwest 5 to
15 knots by mid afternoon. waves building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.monday night...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 in the afternoon. a chance of rain showers. waves
building to 2 to 4 feet. 
.tuesday night...northeast winds 20 to 30 knots increasing to
gales to 40 knots after midnight. rain and snow showers. waves
building to 8 to 11 feet occasionally to 14 feet. 
.wednesday...north gales to 45 knots. snow showers. waves
building to 10 to 14 feet occasionally to 18 feet. 
.wednesday night...north gales to 40 knots backing northwest
after midnight. 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 40 knots. a chance of snow
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 232101
glfls 
expires:202511240900;;383024

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun nov 23 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 currently resides on the quebec/ontario line 
south of james bay, dissipating as it tracks east through this 
evening. meanwhile, a 30.2 inch high passing south of the great 
lakes through this evening will result in a 30.0 inch ridge passing 
over the lake. in its wake, a 29.8 inch trough will pass just north 
of lake superior tonight through monday. monday night into tuesday, 
a 29.8 inch low will organize just west of the great lakes, 
deepening to 29.6 inches tuesday night over the michigan 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.



lsz265-240900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est sun nov 23 2025

.late this afternoon...west winds 10 to 20 knots. waves 1 to
3 feet. 
.tonight...southwest winds 5 to 15 knots becoming south 10 to
20 knots by midnight, then increasing to 15 to 25 knots late.
waves subsiding to calm to 2 feet. 
.monday...southwest winds 15 to 25 knots becoming west 5 to
15 knots by late morning, then veering northwest by mid
afternoon. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.monday night...north winds 5 to 15 knots veering northeast by
midnight. a chance of rain showers. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a chance of rain showers in the
morning, then rain showers likely in the afternoon. waves
building to 1 to 3 feet. 
.tuesday night...northeast winds 15 to 25 knots increasing to
20 to 30 knots after midnight. rain showers. snow showers after
midnight. waves building to 5 to 8 feet occasionally to 10 feet. 
.wednesday...north gales to 40 knots becoming northwest gales to
45 knots in the afternoon. snow showers. waves building to 10 to
14 feet occasionally to 18 feet. 
.wednesday night...northwest storm force winds to 50 knots. snow
showers. waves subsiding to 8 to 11 feet occasionally to 14 feet.
.thursday...northwest gales to 40 knots. snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.friday...northwest winds 20 to 30 knots becoming west 10 to
20 knots. a chance of snow showers. waves subsiding to calm to
2 feet. 

$$

fzus63 kmqt 232101
glfls 
expires:202511240900;;383025

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun nov 23 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 currently resides on the quebec/ontario line 
south of james bay, dissipating as it tracks east through this 
evening. meanwhile, a 30.2 inch high passing south of the great 
lakes through this evening will result in a 30.0 inch ridge passing 
over the lake. in its wake, a 29.8 inch trough will pass just north 
of lake superior tonight through monday. monday night into tuesday, 
a 29.8 inch low will organize just west of the great lakes, 
deepening to 29.6 inches tuesday night over the michigan 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.



lsz266-240900-
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 pm est sun nov 23 2025

.late this afternoon...northwest winds 10 to 20 knots. waves 4 to
7 feet occasionally to 9 feet subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tonight...southwest winds 5 to 15 knots becoming south 10 to
20 knots by midnight, then increasing to 15 to 25 knots late.
waves subsiding to 1 to 3 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.monday...southwest winds 15 to 25 knots becoming west 5 to
15 knots by mid afternoon. waves subsiding to 1 to 3 feet. 
.monday night...north winds 5 to 15 knots veering east late. a
chance of rain showers. waves subsiding to calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots becoming east 10 to
20 knots in the afternoon. a chance of rain showers in the
morning, then rain showers in the afternoon. waves building to
1 to 3 feet. 
.tuesday night...east winds 20 to 30 knots increasing to gales to
35 knots after midnight. rain showers. snow showers after
midnight. waves building to 6 to 9 feet occasionally to 11 feet. 
.wednesday...north gales to 40 knots becoming northwest gales to
45 knots in the afternoon. rain showers in the morning. snow
showers. waves building to 11 to 15 feet occasionally to 19 feet.
.wednesday night...north gales to 45 knots backing northwest
after midnight. snow showers. waves building to 12 to 17 feet
occasionally to 21 feet, then subsiding to 10 to 14 feet
occasionally to 18 feet. 
.thursday...northwest gales to 45 knots. snow showers. waves
subsiding to 5 to 8 feet occasionally to 10 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 10 to
20 knots. a chance of snow showers. waves subsiding to 1 to
3 feet. 

$$

fzus63 kmqt 232101
glfls 
expires:202511240900;;383026

open lake forecast for lake superior
national weather service marquette mi
400 pm est sun nov 23 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 currently resides on the quebec/ontario line 
south of james bay, dissipating as it tracks east through this 
evening. meanwhile, a 30.2 inch high passing south of the great 
lakes through this evening will result in a 30.0 inch ridge passing 
over the lake. in its wake, a 29.8 inch trough will pass just north 
of lake superior tonight through monday. monday night into tuesday, 
a 29.8 inch low will organize just west of the great lakes, 
deepening to 29.6 inches tuesday night over the michigan 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.



lsz267-240900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est sun nov 23 2025

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

$$