fzus61 kbuf 040902
glflo 
expires:202601041600;;762367

open lake forecast for lake ontario
national weather service buffalo ny
402 am est sun jan 4 2026

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 surface trough will pass across the lake this morning. 
a 30.2 inch high will then slide from the western great lakes today 
to the lower great lakes by early monday, before drifting off the 
east coast monday night. a weak 29.6 inch low will then cross the 
lower great lakes tuesday night before moving off the new england 
coast wednesday. a 30.1 inch high will then proceed to build from 
the ohio valley wednesday to the mid atlantic thursday.


loz063>065-041600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am est sun jan 4 2026

.today...north winds 10 to 15 knots becoming northwest 15 to
20 knots. lake effect snow showers likely this morning, then a
chance of snow showers this afternoon. waves 1 to 3 feet building
to 2 to 4 feet. 
.tonight...northwest winds 15 to 20 knots becoming southeast 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.monday...southeast winds 10 to 15 knots becoming south. snow.
waves 2 feet or less. 
.monday night...south winds 5 to 10 knots becoming southeast. a
chance of snow showers in the evening. waves 2 feet or less. 
.tuesday...southeast winds 5 to 15 knots becoming south 15 to
20 knots. a chance of rain showers during the day, then rain
showers likely tuesday night. waves 1 to 3 feet. 
.wednesday...west winds 15 to 20 knots diminishing to 10 to
15 knots. rain showers likely during the day. waves 2 to 4 feet
building to 3 to 5 feet, then subsiding to 1 to 3 feet. 
.thursday...southwest winds 5 to 15 knots becoming south 15 to
20 knots. a chance of rain showers thursday night. waves 1 to
3 feet building to 2 to 4 feet. 

$$

fzus61 kbuf 040902
glflo 
expires:202601041600;;762366

open lake forecast for lake ontario
national weather service buffalo ny
402 am est sun jan 4 2026

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 surface trough will pass across the lake this morning. 
a 30.2 inch high will then slide from the western great lakes today 
to the lower great lakes by early monday, before drifting off the 
east coast monday night. a weak 29.6 inch low will then cross the 
lower great lakes tuesday night before moving off the new england 
coast wednesday. a 30.1 inch high will then proceed to build from 
the ohio valley wednesday to the mid atlantic thursday.


loz062-041600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est sun jan 4 2026

.today...northwest winds 10 to 15 knots. a chance of snow showers
through early afternoon. waves 1 to 3 feet. 
.tonight...northwest winds 5 to 15 knots becoming south. snow
likely late. waves 1 to 3 feet subsiding to 1 foot or less. 
.monday...south winds 5 to 10 knots. snow. waves 2 feet or less. 
.monday night...south winds 5 to 10 knots becoming southeast. a
chance of snow showers in the evening. waves 1 foot or less. 
.tuesday...southeast winds 5 to 15 knots becoming southwest. rain
showers likely. waves 1 to 3 feet. 
.wednesday...west winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of rain showers during the day. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.thursday...southwest winds 5 to 15 knots. a chance of rain
showers thursday night. waves 1 to 2 feet. 

$$

fzus61 kcle 040843
glfle 
expires:202601041545;;761279

open lake forecast for lake erie
national weather service cleveland oh
343 am est sun jan 4 2026

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...
a trough averaging 29.90 inches will exit to the east this morning
as high pressure 30.20 inches builds east across the great lakes.
the high will drift east of lake erie on monday, allowing a warm
front to cross the lake through tuesday. a cold front will move
east across the region late tuesday into wednesday as low pressure
29.50 inches moves northeast across the upper great lakes. high
pressure 29.90 inches will return thursday.


lez165>167-041545-
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-
343 am est sun jan 4 2026

.today...northwest winds 5 to 15 knots becoming west. a slight
chance of snow showers early. waves 1 to 3 feet. 
.tonight...southwest winds 5 to 15 knots becoming south. a chance
of snow showers after midnight. waves 2 feet or less. 
.monday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.monday night...southwest winds 5 to 10 knots becoming south.
waves 1 to 3 feet subsiding to 1 foot or less. 
.tuesday...south winds 5 to 15 knots becoming west. rain showers
likely during the day, then a chance of rain showers tuesday
night. waves 1 to 3 feet. 
.wednesday...west winds 5 to 15 knots becoming south. waves 1 to
3 feet subsiding to 1 foot or less. 
.thursday...south winds 10 to 15 knots becoming southwest. a
chance of rain showers during the day, then rain showers likely
thursday night. waves 2 feet or less. 

$$

fzus61 kcle 040843
glfle 
expires:202601041545;;761280

open lake forecast for lake erie
national weather service cleveland oh
343 am est sun jan 4 2026

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...
a trough averaging 29.90 inches will exit to the east this morning
as high pressure 30.20 inches builds east across the great lakes.
the high will drift east of lake erie on monday, allowing a warm
front to cross the lake through tuesday. a cold front will move
east across the region late tuesday into wednesday as low pressure
29.50 inches moves northeast across the upper great lakes. high
pressure 29.90 inches will return thursday.


lez061-168-169-041545-
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-
343 am est sun jan 4 2026

.today...west winds 10 to 15 knots. a chance of snow showers
early, then a slight chance of snow showers from late morning on.
waves 1 to 3 feet. 
.tonight...west winds 5 to 10 knots becoming south. a chance of
snow showers late. waves 1 to 2 feet. 
.monday...south winds 10 to 15 knots becoming southwest. a chance
of snow showers in the morning. waves 1 to 3 feet. 
.monday night...southwest winds 5 to 10 knots becoming south.
waves 1 to 3 feet. 
.tuesday...south winds 5 to 15 knots becoming west. rain showers
likely during the day, then a chance of rain showers tuesday
night. waves 1 to 3 feet. 
.wednesday...west winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 
.thursday...south winds 10 to 15 knots becoming southwest. a
chance of rain showers thursday night. waves 1 to 2 feet. 

$$

fzus61 kcle 040843
glfle 
expires:202601041545;;761278

open lake forecast for lake erie
national weather service cleveland oh
343 am est sun jan 4 2026

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...
a trough averaging 29.90 inches will exit to the east this morning
as high pressure 30.20 inches builds east across the great lakes.
the high will drift east of lake erie on monday, allowing a warm
front to cross the lake through tuesday. a cold front will move
east across the region late tuesday into wednesday as low pressure
29.50 inches moves northeast across the upper great lakes. high
pressure 29.90 inches will return thursday.


lez162>164-041545-
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-
343 am est sun jan 4 2026

.today...west winds 10 knots or less becoming southwest. the lake
is mostly ice covered.
.tonight...south winds 10 knots or less increasing to 10 to
15 knots. a slight chance of snow showers after midnight. 
.monday...south winds 10 to 15 knots becoming southwest. 
.monday night...southwest winds 5 to 10 knots becoming south. 
.tuesday...south winds 5 to 10 knots becoming west. a chance of
rain showers during the day. 
.wednesday...west winds 5 to 10 knots becoming south. 
.thursday...south winds around 10 knots becoming southwest. a
chance of rain showers during the day, then rain showers likely
thursday night. 

waves omitted due to the lake being mostly ice covered.

$$

fzus63 kdtx 040857
glfsc 
expires:202601041700;;761785

lake st clair forecast
national weather service detroit/pontiac mi
357 am est sun jan 4 2026

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...weak low pressure, 29.90 inches, vacates the great
lakes region this morning. high pressure, 30.20 inches, then
fills in for today before the next clipper system brings another
glancing shot of snow to the great lakes early monday morning.


lcz460-041700-
lake st clair-
357 am est sun jan 4 2026

.today...west winds 5 to 10 knots. partly sunny.
.tonight...light and variable winds becoming south 10 to 15 knots.
partly cloudy this evening becoming mostly cloudy. a chance of snow
late in the evening. snow likely after midnight.
.monday...southwest winds 10 to 15 knots diminishing to 5 to 10
knots early in the afternoon. partly sunny.
.monday night...southwest winds 5 to 10 knots early in the evening
becoming light and variable...then becoming south 5 to 10 knots
after midnight. mostly cloudy.
.tuesday...southeast winds 5 to 10 knots veering to the southwest in
the evening. mostly cloudy. a chance of light rain and snow in the
morning...then light rain likely in the afternoon and evening.
.wednesday...southwest winds 5 to 10 knots. mostly cloudy.
.thursday...south winds 10 to 15 knots. partly cloudy. a chance of
light rain.

waves omitted due to ice coverage.

$$

fzus63 kdtx 040857
glflh 
expires:202601041700;;761720

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 am est sun jan 4 2026

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...weak low pressure, 29.90 inches, vacates the great 
lakes region this morning. high pressure, 30.20 inches, then fills
in for today before the next clipper system brings another 
glancing shot of snow to the great lakes early monday morning. 


lhz361-362-041700-
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 sun jan 4 2026

.today...north winds 10 to 15 knots backing to the northwest late
in the morning...then becoming west 5 to 10 knots in the
afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet late in the
afternoon. 
.tonight...southwest winds 5 to 10 knots becoming south 10 to
15 knots after midnight. a chance of snow in the evening...then
snow after midnight. snow may be heavy at times after midnight.
waves 1 to 3 feet building to 2 to 4 feet early in the morning. 
.monday...south winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and afternoon. a chance of snow. waves 3 to
5 feet. 
.monday night...southeast winds 5 to 10 knots veering to the
south in the late evening and overnight. waves 1 to 3 feet. 
.tuesday...south winds 5 to 10 knots increasing to 10 to 15 knots
late in the morning...then becoming southeast 5 to 10 knots late
in the afternoon. a chance of snow late in the morning. a chance
of rain. waves 1 to 3 feet. 
.wednesday...west winds 10 to 15 knots becoming southwest 5 to
10 knots . waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots. a chance of rain by
midnight. waves 1 to 3 feet building to 2 to 4 feet. 


$$

fzus63 kdtx 040857
glflh 
expires:202601041700;;761721

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 am est sun jan 4 2026

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...weak low pressure, 29.90 inches, vacates the great 
lakes region this morning. high pressure, 30.20 inches, then fills
in for today before the next clipper system brings another 
glancing shot of snow to the great lakes early monday morning. 


lhz363-462>464-041700-
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-
357 am est sun jan 4 2026

.today...northwest winds 15 to 20 knots becoming west 5 to
10 knots. waves 3 to 5 feet. 
.tonight...southwest winds 5 to 10 knots becoming south 15 to
20 knots. a chance of snow in the evening...then snow after
midnight. snow may be heavy at times after midnight. waves 1 to
3 feet building to 3 to 5 feet early in the morning. 
.monday...south winds 15 to 20 knots becoming southwest 5 to
10 knots. a chance of snow in the morning. waves 3 to 5 feet. 
.monday night...south winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots becoming southeast 10 to
15 knots late in the morning...then veering to the southwest late
in the evening. a chance of rain. waves 1 to 3 feet. 
.wednesday...west winds 10 to 15 knots becoming southwest 5 to
10 knots early in the evening...then increasing to 10 to 15 knots
by midnight. waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots. a chance of rain by
midnight. waves 1 to 3 feet building to 2 to 4 feet. 


$$

fzus63 kmkx 040857
glflm 
expires:202601041615;;761718

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
257 am cst sun jan 4 2026

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...

west winds will remain variable early this morning as a broad 
area of high pressure averaging 30.1 inches moves across the 
western great lakes. southerly winds will develop by this 
afternoon as that high becomes centered over central ohio, and low
pressure of 29.6 inches moves across southern minnesota. gales 
are not expected, but winds over the open waters could approach 30
knots before weakening monday morning. 

a few other system may impact the lake michigan area through mid
to late week with winds varying between westerly and southerly, 
but the probability of gales is low at this time.


lmz080-669-671-673-675-777-779-870-872-874-876-878-041615-
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-
257 am cst sun jan 4 2026

sheboygan wi to pentwater mi south...

.today...northwest winds 5 to 10 kt becoming southwest late this
morning, then increasing to 10 to 15 kt early this afternoon
becoming south 10 to 20 kt late. waves 1 to 3 ft. 
.tonight...south winds 15 to 25 kt becoming southwest to 30 kt.
rain with possible snow, drizzle, freezing drizzle and freezing
rain likely in the evening, then slight chance of drizzle and
light freezing drizzle overnight. waves 3 to 5 ft building to
5 to 8 ft occasionally to 10 ft. 
.monday...southwest winds 10 to 20 kt diminishing to 5 to 10 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft. 
.monday night...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 3 ft. 
.tuesday...south winds 10 to 15 kt becoming southwest. chance of
rain. waves 1 to 3 ft. 
.tuesday night...west winds 10 to 15 kt. waves 2 to 4 ft. 
.wednesday...west winds 10 to 15 kt becoming southwest. waves
2 to 4 ft. 
.thursday...south winds 10 to 20 kt becoming west. waves 2 to
4 ft.  

$$

fzus63 kmkx 040857
glflm 
expires:202601041615;;761717

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
257 am cst sun jan 4 2026

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...

west winds will remain variable early this morning as a broad 
area of high pressure averaging 30.1 inches moves across the 
western great lakes. southerly winds will develop by this 
afternoon as that high becomes centered over central ohio, and low
pressure of 29.6 inches moves across southern minnesota. gales 
are not expected, but winds over the open waters could approach 30
knots before weakening monday morning. 

a few other system may impact the lake michigan area through mid
to late week with winds varying between westerly and southerly, 
but the probability of gales is low at this time.


lmz261-362-364-366-563-565-567-868-041615-
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-
257 am cst sun jan 4 2026

sheboygan wi to pentwater mi north...

.today...northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. chance of snow this afternoon. waves 1 to 3 ft.
.tonight...south winds 15 to 25 kt becoming southwest. snow and
freezing rain in the evening, then light freezing rain likely
with possible rain, drizzle, freezing drizzle and snow overnight.
waves 3 to 5 ft building to 5 to 8 ft occasionally to 10 ft. 
.monday...west winds 10 to 20 kt becoming southwest 5 to 10 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft. 
.monday night...south winds 5 to 10 kt. waves 1 to 3 ft. 
.tuesday...southeast winds 10 to 15 kt becoming south. chance of
rain. waves 1 to 2 ft. 
.tuesday night...west winds 10 to 15 kt. chance of rain. waves
1 to 3 ft. 
.wednesday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 3 ft. 
.thursday...south winds 10 to 20 kt becoming southwest. waves
2 to 4 ft.  

$$

fzus63 kmqt 040856
glfls 
expires:202601042100;;761672

open lake forecast for lake superior
national weather service marquette mi
356 am est sun jan 4 2026

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...

today, a 30.2 inch high will slide south of lake superior. as it 
reaches the lower great lakes tonight, 29.7 inch low pressure 
develops over the high plains. by midday monday, the high will be 
over the east coast while the low deepens to 29.6 inches over the 
central plains. the low approaches lake michigan tuesday morning at 
around 29.6 inches, reaching southern ontario tuesday night into 
wednesday. weak ridging of around 29.8 inches then moves over the 
lake weednesday morning ahead of a 29.6 inch low arriving over 
northeast ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz264-042100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
356 am est sun jan 4 2026

.early this morning...northwest winds 5 to 15 knots. waves 2 to
4 feet. 
.today...northwest winds 5 to 15 knots backing southeast by mid
afternoon. a chance of snow showers. waves subsiding to calm to
2 feet. 
.tonight...southeast winds 10 to 20 knots veering south by
midnight, then becoming southwest 5 to 15 knots late. snow
showers likely in the evening, then a slight chance of snow
showers after midnight. waves building to 1 to 3 feet. 
.monday...north winds less than 10 knots backing southwest. waves
subsiding to calm to 2 feet. 
.monday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...south winds 5 to 15 knots veering southwest in the
afternoon. waves calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots veering northwest after
midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves calm to 2 feet.
.thursday...southwest winds 10 to 20 knots becoming west 5 to
15 knots. waves building to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 040856
glfls 
expires:202601042100;;761673

open lake forecast for lake superior
national weather service marquette mi
356 am est sun jan 4 2026

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...

today, a 30.2 inch high will slide south of lake superior. as it 
reaches the lower great lakes tonight, 29.7 inch low pressure 
develops over the high plains. by midday monday, the high will be 
over the east coast while the low deepens to 29.6 inches over the 
central plains. the low approaches lake michigan tuesday morning at 
around 29.6 inches, reaching southern ontario tuesday night into 
wednesday. weak ridging of around 29.8 inches then moves over the 
lake weednesday morning ahead of a 29.6 inch low arriving over 
northeast ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz265-042100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
356 am est sun jan 4 2026

.early this morning...northwest winds 10 to 20 knots. waves 2 to
4 feet. 
.today...northwest winds 10 to 20 knots becoming west 5 to
15 knots by late morning, then backing south by mid afternoon. a
chance of snow showers in the afternoon. waves subsiding to calm
to 2 feet. 
.tonight...south winds 10 to 20 knots becoming southwest 5 to
15 knots late. snow showers in the evening, then a chance of snow
showers after midnight. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet. 
.monday...west winds 5 to 15 knots backing south by mid
afternoon. waves calm to 2 feet. 
.monday night...south winds 5 to 15 knots veering southwest after
midnight. waves calm to 2 feet. 
.tuesday...south winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. a chance of rain and snow showers.
waves calm to 2 feet. 
.tuesday night...west winds 10 to 20 knots. waves calm to 2 feet.
.wednesday...west winds 10 to 20 knots backing south. waves calm
to 2 feet. 
.thursday...west winds 10 to 20 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 040856
glfls 
expires:202601042100;;761670

open lake forecast for lake superior
national weather service marquette mi
356 am est sun jan 4 2026

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...

today, a 30.2 inch high will slide south of lake superior. as it 
reaches the lower great lakes tonight, 29.7 inch low pressure 
develops over the high plains. by midday monday, the high will be 
over the east coast while the low deepens to 29.6 inches over the 
central plains. the low approaches lake michigan tuesday morning at 
around 29.6 inches, reaching southern ontario tuesday night into 
wednesday. weak ridging of around 29.8 inches then moves over the 
lake weednesday morning ahead of a 29.6 inch low arriving over 
northeast ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz162-042100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
356 am est sun jan 4 2026 /256 am cst sun jan 4 2026/

.early this morning...northwest winds 5 to 15 knots. waves calm
to 2 feet. 
.today...northwest winds 5 to 15 knots backing south by late
morning, then becoming southeast 10 to 20 knots by mid afternoon.
snow showers in the afternoon. waves calm to 2 feet. 
.tonight...southeast winds 10 to 20 knots becoming south 5 to
15 knots by midnight, then veering west late. snow showers in the
evening, then a slight chance of snow showers after midnight.
waves calm to 2 feet. 
.monday...north winds 5 to 15 knots backing southwest. waves calm
to 2 feet. 
.monday night...south winds 5 to 15 knots veering southwest after
midnight. a slight chance of freezing rain after midnight. waves
calm to 2 feet. 
.tuesday...west winds 5 to 15 knots. a chance of freezing rain in
the morning. a chance of snow showers, possibly mixed with rain.
waves calm to 2 feet. 
.tuesday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves calm to 2 feet.
.thursday...west winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 040856
glfls 
expires:202601042100;;761675

open lake forecast for lake superior
national weather service marquette mi
356 am est sun jan 4 2026

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...

today, a 30.2 inch high will slide south of lake superior. as it 
reaches the lower great lakes tonight, 29.7 inch low pressure 
develops over the high plains. by midday monday, the high will be 
over the east coast while the low deepens to 29.6 inches over the 
central plains. the low approaches lake michigan tuesday morning at 
around 29.6 inches, reaching southern ontario tuesday night into 
wednesday. weak ridging of around 29.8 inches then moves over the 
lake weednesday morning ahead of a 29.6 inch low arriving over 
northeast ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz267-042100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
356 am est sun jan 4 2026

.early this morning...north winds 10 to 20 knots. freezing spray.
a chance of snow showers. waves 3 to 6 feet occasionally to
8 feet. 
.today...northwest winds 10 to 20 knots backing southwest by mid
afternoon. a slight chance of snow showers. waves subsiding to
1 to 3 feet. 
.tonight...south winds 10 to 20 knots increasing to 15 to
25 knots by midnight, then backing southeast late. snow showers.
waves subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.monday...south winds 10 to 20 knots backing southeast by late
morning, then veering south by mid afternoon. waves subsiding to
calm to 2 feet. 
.monday night...south winds 10 to 20 knots. waves calm to 2 feet.
.tuesday...south winds 10 to 20 knots. a chance of rain and snow
showers. waves calm to 2 feet. 
.tuesday night...south winds 10 to 20 knots veering west after
midnight. a chance of rain and snow showers. waves building to
1 to 3 feet. 
.wednesday...west winds 10 to 20 knots backing south. waves 1 to
3 feet. 
.thursday...south winds 15 to 25 knots veering west. waves 1 to
3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 040856
glfls 
expires:202601042100;;761674

open lake forecast for lake superior
national weather service marquette mi
356 am est sun jan 4 2026

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...

today, a 30.2 inch high will slide south of lake superior. as it 
reaches the lower great lakes tonight, 29.7 inch low pressure 
develops over the high plains. by midday monday, the high will be 
over the east coast while the low deepens to 29.6 inches over the 
central plains. the low approaches lake michigan tuesday morning at 
around 29.6 inches, reaching southern ontario tuesday night into 
wednesday. weak ridging of around 29.8 inches then moves over the 
lake weednesday morning ahead of a 29.6 inch low arriving over 
northeast ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz266-042100-
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-
356 am est sun jan 4 2026

.early this morning...northwest winds 15 to 25 knots. freezing
spray. a slight chance of snow showers. waves 3 to 6 feet
occasionally to 8 feet. 
.today...northwest winds 10 to 20 knots diminishing to 5 to
15 knots by late morning, then backing south by mid afternoon. a
slight chance of snow showers in the afternoon. waves subsiding
to 1 to 3 feet. 
.tonight...south winds 10 to 20 knots. snow showers in the
evening, then a chance of snow showers after midnight. waves
building to 2 to 4 feet. 
.monday...west winds 5 to 15 knots backing south. waves subsiding
to calm to 2 feet. 
.monday night...south winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...south winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon. a chance of snow showers, possibly mixed with
rain. waves calm to 2 feet. 
.tuesday night...west winds 10 to 20 knots. a chance of rain and
snow showers. waves building to 1 to 3 feet. 
.wednesday...west winds 10 to 20 knots backing south. waves 1 to
3 feet. 
.thursday...south winds 15 to 25 knots becoming west 10 to
20 knots. waves 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 040856
glfls 
expires:202601042100;;761671

open lake forecast for lake superior
national weather service marquette mi
356 am est sun jan 4 2026

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...

today, a 30.2 inch high will slide south of lake superior. as it 
reaches the lower great lakes tonight, 29.7 inch low pressure 
develops over the high plains. by midday monday, the high will be 
over the east coast while the low deepens to 29.6 inches over the 
central plains. the low approaches lake michigan tuesday morning at 
around 29.6 inches, reaching southern ontario tuesday night into 
wednesday. weak ridging of around 29.8 inches then moves over the 
lake weednesday morning ahead of a 29.6 inch low arriving over 
northeast ontario thursday morning. this low brings a trough across 
the lake thursday before escaping to the east by friday morning, 
replaced by a 30.0 inch ridge.



lsz263-042100-
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-
356 am est sun jan 4 2026

.early this morning...northwest winds 5 to 15 knots. waves 1 to
3 feet subsiding to calm to 2 feet. 
.today...northwest winds 5 to 15 knots backing south by late
morning, then backing southeast by mid afternoon. a slight chance
of snow showers in the morning, then snow showers likely in the
afternoon. waves calm to 2 feet. 
.tonight...southeast winds 5 to 15 knots veering southwest late.
snow showers likely in the evening, then a slight chance of snow
showers after midnight. waves calm to 2 feet. 
.monday...north winds less than 10 knots backing southwest. waves
calm to 2 feet. 
.monday night...south winds less than 10 knots veering southwest
after midnight. waves calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots veering west in the
afternoon. a chance of snow showers, possibly mixed with rain.
waves calm to 2 feet. 
.tuesday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. waves calm to 2 feet.
.thursday...southwest winds 10 to 20 knots becoming west 5 to
15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$