fzus61 kbuf 122102
glflo 
expires:202602130400;;526371

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est thu feb 12 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 30.2 inch high will build into the ohio valley 
tonight through friday before moving off the carolina coast 
saturday. meanwhile, a 29.7 inch low will move east across quebec 
friday through saturday before reaching the canadian maritimes 
sunday. a 30.2 inch high in the wake of this system will build into 
quebec and the lower great lakes saturday night before building 
across new england sunday.


loz064-065-130400-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 pm est thu feb 12 2026

.tonight...north winds 5 to 15 knots becoming northwest. lake
effect snow showers likely early, then scattered snow showers.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming southwest. waves 1 to
3 feet building to 2 to 4 feet. 
.friday night...southwest winds 10 to 15 knots becoming west
15 to 20 knots. snow showers likely. waves 2 to 4 feet building
to 3 to 5 feet. 
.saturday...west winds 5 to 15 knots. a chance of snow showers in
the morning. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday night...west winds 5 to 10 knots becoming southeast.
waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots becoming south. waves
2 feet or less. 
.monday...southwest winds 5 to 10 knots becoming south. waves
2 feet or less. 
.tuesday...south winds 10 to 15 knots becoming southeast. a
chance of rain showers tuesday night. waves 2 feet or less. 

$$

fzus61 kbuf 122102
glflo 
expires:202602130400;;526370

open lake forecast for lake ontario
national weather service buffalo ny
402 pm est thu feb 12 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 30.2 inch high will build into the ohio valley 
tonight through friday before moving off the carolina coast 
saturday. meanwhile, a 29.7 inch low will move east across quebec 
friday through saturday before reaching the canadian maritimes 
sunday. a 30.2 inch high in the wake of this system will build into 
quebec and the lower great lakes saturday night before building 
across new england sunday.


loz062-063-130400-
lake ontario open waters from the niagara river to sodus bay-
402 pm est thu feb 12 2026

.tonight...northwest winds 10 to 15 knots. lake effect snow
showers likely early, then scattered snow showers from late
evening on. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...west winds 10 to 15 knots becoming southwest 15 to
20 knots. scattered snow showers early. waves 1 to 3 feet
building to 3 to 5 feet. 
.friday night...southwest winds 15 to 20 knots becoming west. a
chance of snow showers. waves 3 to 5 feet. 
.saturday...west winds 5 to 15 knots. waves 2 to 4 feet subsiding
to 1 to 3 feet. 
.saturday night...west winds 5 to 10 knots becoming south. waves
1 to 2 feet. 
.sunday...southeast winds around 10 knots becoming southwest.
waves 1 to 2 feet. 
.monday...west winds 5 to 10 knots becoming southwest. waves 1 to
2 feet. 
.tuesday...southwest winds 5 to 15 knots becoming southeast. a
chance of rain showers tuesday night. waves 1 to 2 feet. 

$$

fzus61 kcle 121934
glfle 
expires:202602130315;;523552

open lake forecast for lake erie
national weather service cleveland oh
234 pm est thu feb 12 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...
high pressure 30.40 inches will build into the ohio valley later 
today and linger into the weekend. low pressure 29.70 inches 
tracks across the mid south on sunday, followed by high pressure 
30.10 inches building into the region on monday.


lez162>164-130315-
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-
234 pm est thu feb 12 2026

.tonight...northwest winds less than 10 knots becoming southwest.
the lake is mostly ice covered.
.friday...southwest winds 5 to 10 knots. 
.friday night...southwest winds 5 to 15 knots becoming west. 
.saturday...west winds 10 knots or less becoming south. 
.saturday night...southeast winds 10 knots or less becoming
south. 
.sunday...south winds 10 knots or less becoming west. 
.monday...south winds 5 to 10 knots becoming southwest. 
.tuesday...south winds 5 to 15 knots increasing to 15 to
20 knots. a chance of rain tuesday night. 

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 121934
glfle 
expires:202602130315;;523553

open lake forecast for lake erie
national weather service cleveland oh
234 pm est thu feb 12 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...
high pressure 30.40 inches will build into the ohio valley later 
today and linger into the weekend. low pressure 29.70 inches 
tracks across the mid south on sunday, followed by high pressure 
30.10 inches building into the region on monday.


lez061-165>169-130315-
ripley to buffalo ny extending from 5nm 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-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-
234 pm est thu feb 12 2026

.tonight...west winds 10 knots or less. the lake is mostly ice
covered.
.friday...southwest winds 5 to 15 knots. 
.friday night...southwest winds 10 to 15 knots becoming west. a
chance of snow in the evening. 
.saturday...west winds 10 knots or less becoming southwest. 
.saturday night...south winds less than 10 knots. 
.sunday...south winds 10 knots or less becoming southwest. 
.monday...south winds 10 knots or less becoming southwest. 
.tuesday...south winds 5 to 15 knots becoming southeast 15 to
20 knots. a chance of rain tuesday night. 

waves omitted due to the lake being mostly ice covered.

$$

fzus63 kdtx 122058
glfsc 
expires:202602130500;;526027

lake st clair forecast
national weather service detroit/pontiac mi
358 pm est thu feb 12 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...high pressure shifts southward into the ohio valley 
tonight. meanwhile, a clipper system will pass near northern lake
huron leading to moderate southwest winds on friday. high 
pressure will dominate the area through the weekend as the storm 
track sets up across the southern us.


lcz460-130500-
lake st clair-
358 pm est thu feb 12 2026

.tonight...northwest winds 5 to 10 knots this evening becoming light
and variable. partly cloudy.
.friday...southwest winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon. mostly sunny.
.friday night...southwest winds 10 to 15 knots becoming west 5 to 10
knots after midnight. mostly clear.
.saturday...west winds 5 to 10 knots early in the morning becoming
light and variable. mostly sunny.
.saturday night...south winds 5 to 10 knots. partly cloudy early in
the evening becoming mostly cloudy.
.sunday...south winds 5 to 10 knots becoming light and variable.
partly cloudy in the morning then clearing.
.monday...south winds 5 to 10 knots. partly cloudy.
.tuesday...southeast winds 10 to 15 knots. partly cloudy.

waves omitted due to ice coverage.

$$

fzus63 kdtx 122057
glflh 
expires:202602130500;;526023

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 pm est thu feb 12 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...high pressure shifts southward into the ohio valley 
tonight. meanwhile, a clipper system will pass near northern lake
huron leading to moderate southwest winds on friday. high 
pressure will dominate the area through the weekend as the storm 
track sets up across the southern us.


lhz361-130500-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
357 pm est thu feb 12 2026

.tonight...west winds 5 to 10 knots backing to the southwest
after midnight. waves 2 feet or less. 
.friday...southwest winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and early afternoon...then veering
to the west late in the afternoon. waves 1 to 3 feet. 
.friday night...west winds 10 to 15 knots becoming northwest 5 to
10 knots in the late evening and overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late evening and overnight. 
.saturday...light and variable winds. waves 2 feet or less. 
.saturday night...south winds 5 to 10 knots. waves 2 feet or
less. 
.sunday...south winds 5 to 10 knots veering to the west late in
the afternoon. waves 2 feet or less. 
.monday...south winds 5 to 10 knots veering to the west by
midnight. waves 2 feet or less. 
.tuesday...west winds 5 to 10 knots veering to the northeast in
the late morning and early afternoon...then veering to the
southeast early in the evening becoming east 10 to 15 knots by
midnight. a chance of. waves 1 to 3 feet building to 3 to 5 feet
by midnight. 

wave heights are for ice free areas.

$$

fzus63 kdtx 122057
glflh 
expires:202602130500;;526024

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 pm est thu feb 12 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...high pressure shifts southward into the ohio valley 
tonight. meanwhile, a clipper system will pass near northern lake
huron leading to moderate southwest winds on friday. high 
pressure will dominate the area through the weekend as the storm 
track sets up across the southern us.


lhz362-363-130500-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
357 pm est thu feb 12 2026

.tonight...northwest winds 5 to 10 knots backing to the west
early in the morning. waves 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon. 
.friday night...west winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. waves 3 to 5 feet. 
.saturday...northwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming south 5 to 10 knots
early in the afternoon. waves 1 to 3 feet. 
.saturday night...south winds 5 to 10 knots. waves 2 feet or
less. 
.sunday...south winds 10 to 15 knots becoming southwest 5 to
10 knots late in the afternoon...then veering to the west late in
the evening. waves 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots becoming south 10 to
15 knots. waves 1 to 3 feet. 
.tuesday...southwest winds 5 to 10 knots backing to the east
until early evening...then becoming southeast 15 to 20 knots by
midnight. a chance of rain and snow by midnight. waves 1 to
3 feet building to 3 to 5 feet by midnight. 

wave heights are for ice free areas.

$$

fzus63 kdtx 122057
glflh 
expires:202602130500;;526025

open lake forecast for lake huron
national weather service detroit/pontiac mi
357 pm est thu feb 12 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...high pressure shifts southward into the ohio valley 
tonight. meanwhile, a clipper system will pass near northern lake
huron leading to moderate southwest winds on friday. high 
pressure will dominate the area through the weekend as the storm 
track sets up across the southern us.


lhz462>464-130500-
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 pm est thu feb 12 2026

.tonight...northwest winds 5 to 10 knots early in the evening
becoming light and variable...then becoming southwest 5 to
10 knots early in the morning. waves 1 to 3 feet. 
.friday...southwest winds 5 to 10 knots becoming south 10 to
15 knots in the afternoon. waves 1 to 3 feet. 
.friday night...southwest winds 10 to 15 knots veering to the
west by midnight...then becoming northwest 5 to 10 knots after
midnight. waves 1 to 3 feet. 
.saturday...northwest winds 5 to 10 knots early in the morning
becoming light and variable. waves 2 feet or less. 
.saturday night...south winds 5 to 10 knots. waves 2 feet or
less. 
.sunday...south winds 5 to 10 knots veering to the southwest late
in the evening. waves 2 feet or less. 
.monday...south winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots backing to the southeast
early in the evening...then increasing to 10 to 15 knots by
midnight. a chance of. waves 2 feet or less. 

wave heights are for ice free areas.

$$

fzus63 kmkx 121946
glflm 
expires:202602130430;;523832

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
146 pm cst thu feb 12 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...

high pressure around 30.3 inches will gradually move eastward 
through this evening allowing southwesterly winds to develop 
overnight into friday. west-southwest winds will continue through
saturday as low pressure around 29.6 inches drift across far 
northern manitoba/ontario and moves east into the hudson bay 
region by sunday morning. will see a weak cold front extend south 
from this low pressure and drag across lake michigan overnight 
saturday into sunday briefly turning winds more west-northwesterly
into sunday afternoon behind the front.

winds will weaken sunday night as another high pressure around 
30.1 inches builds across the lake. then winds are looking to 
shift south to southwesterly monday as low pressure builds across
the central plains and moves into the midwest through the day 
tuesday. this low pressure is progged track somewhere around the 
great lakes tuesday night through wednesday, resulting in a 
westerly wind shift behind it. while there continues to be 
uncertainty on this midweek low pressure track and strength, 
still cannot rule out the potential for a few gales at times into 
the middle of next week associated with this system. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-130430-
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-
146 pm cst thu feb 12 2026

sheboygan wi to pentwater mi south...

.tonight...southeast winds 5 to 10 kt becoming south. waves 1 to
2 ft. 
.friday...south winds 10 to 20 kt becoming southwest. waves 2 to
4 ft. 
.friday night...southwest winds 10 to 15 kt becoming northwest
5 to 10 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.saturday...south winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday night...south winds 5 to 10 kt becoming southwest.
waves 1 to 2 ft. 
.sunday...southwest winds 5 to 10 kt veering to northwest. waves
1 to 2 ft. 
.sunday night...east winds 5 to 10 kt veering to south 10 to
15 kt. waves 1 to 2 ft building to 1 to 3 ft. 
.monday...south winds 10 to 20 kt. waves 3 to 5 ft. 
.tuesday...southeast winds 10 to 20 kt. waves 3 to 5 ft.  

$$

fzus63 kmkx 121946
glflm 
expires:202602130430;;523831

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
146 pm cst thu feb 12 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...

high pressure around 30.3 inches will gradually move eastward 
through this evening allowing southwesterly winds to develop 
overnight into friday. west-southwest winds will continue through
saturday as low pressure around 29.6 inches drift across far 
northern manitoba/ontario and moves east into the hudson bay 
region by sunday morning. will see a weak cold front extend south 
from this low pressure and drag across lake michigan overnight 
saturday into sunday briefly turning winds more west-northwesterly
into sunday afternoon behind the front.

winds will weaken sunday night as another high pressure around 
30.1 inches builds across the lake. then winds are looking to 
shift south to southwesterly monday as low pressure builds across
the central plains and moves into the midwest through the day 
tuesday. this low pressure is progged track somewhere around the 
great lakes tuesday night through wednesday, resulting in a 
westerly wind shift behind it. while there continues to be 
uncertainty on this midweek low pressure track and strength, 
still cannot rule out the potential for a few gales at times into 
the middle of next week associated with this system. 


lmz261-362-364-366-563-565-567-868-130430-
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-
146 pm cst thu feb 12 2026

sheboygan wi to pentwater mi north...

.tonight...southwest winds 5 to 10 kt increasing to 10 to 20 kt.
waves 1 to 2 ft building to 1 to 3 ft. 
.friday...southwest winds 15 to 25 kt becoming west 10 to 20 kt.
waves 2 to 4 ft building to 3 to 5 ft. 
.friday night...west winds 10 to 15 kt becoming northwest late in
the evening, then becoming north 5 to 10 kt after midnight
becoming northeast late. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday...south winds 5 to 10 kt. waves 1 to 2 ft. 
.saturday night...south winds 10 to 15 kt becoming southwest.
waves 1 to 3 ft. 
.sunday...west winds 10 to 15 kt becoming northwest. waves 1 to
3 ft. 
.sunday night...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 2 ft building to 1 to 3 ft. 
.monday...south winds 10 to 20 kt becoming southwest. waves 3 to
5 ft. 
.tuesday...southeast winds 10 to 20 kt becoming east. waves 3 to
5 ft.  

$$

fzus63 kmqt 122101
glfls 
expires:202602130900;;526184

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu feb 12 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...

a 30.3 inch high pressure was over the great lakes this afternoon. 
by friday morning, the high retreats into the southern portion of 
the great lakes while a 29.8 inch low moves across far northern 
ontario. this low pulls a 29.9 inch trough over eastern lake 
superior friday afternoon. high pressure builds back to 30.1 inches 
over the great lakes by saturday morning before a weak 29.8 inch 
trough moves into the upper great lakes saturday evening. weak 
troughing of around 29.8 inches hangs out over the upper great lakes 
the rest of this weekend to monday. weak ridging of 30.2 inches is 
expected on tuesday ahead of a 29.3 inch low over the central 
rockies.



lsz162-130900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est thu feb 12 2026 /300 pm cst thu feb 12 2026/

.late this afternoon...southeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...southeast winds 5 to 15 knots veering southwest by
midnight, then increasing to 10 to 20 knots late. waves calm to
2 feet. 
.friday...west winds 10 to 20 knots diminishing to 5 to 15 knots.
waves calm to 2 feet. 
.friday night...north winds 5 to 15 knots becoming northeast less
than 10 knots by midnight, then becoming south 5 to 15 knots
late. waves calm to 2 feet. 
.saturday...south winds less than 10 knots becoming southwest
5 to 15 knots in the afternoon. waves calm to 2 feet. 
.saturday night...west winds 5 to 15 knots. waves calm to 2 feet.
.sunday...west winds 5 to 15 knots backing southwest in the
afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.monday...west winds 5 to 15 knots veering northeast. waves calm
to 2 feet. 
.tuesday...northeast winds 10 to 20 knots increasing to 20 to
30 knots. a chance of snow showers, possibly mixed with rain.
waves building to 5 to 8 feet occasionally to 10 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 122101
glfls 
expires:202602130900;;526185

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu feb 12 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...

a 30.3 inch high pressure was over the great lakes this afternoon. 
by friday morning, the high retreats into the southern portion of 
the great lakes while a 29.8 inch low moves across far northern 
ontario. this low pulls a 29.9 inch trough over eastern lake 
superior friday afternoon. high pressure builds back to 30.1 inches 
over the great lakes by saturday morning before a weak 29.8 inch 
trough moves into the upper great lakes saturday evening. weak 
troughing of around 29.8 inches hangs out over the upper great lakes 
the rest of this weekend to monday. weak ridging of 30.2 inches is 
expected on tuesday ahead of a 29.3 inch low over the central 
rockies.



lsz263-130900-
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 thu feb 12 2026

.late this afternoon...southwest winds less than 10 knots. waves
calm to 2 feet. 
.tonight...south winds 5 to 15 knots becoming southwest 10 to
20 knots by midnight, then increasing to 15 to 25 knots late.
waves building to 1 to 3 feet. 
.friday...west winds 15 to 25 knots diminishing to 5 to 15 knots.
waves building to 2 to 4 feet, then subsiding to calm to 2 feet. 
.friday night...northwest winds less than 10 knots backing south
by midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots veering southwest in the
afternoon. waves calm to 2 feet. 
.saturday night...southwest winds 5 to 15 knots veering west
after midnight. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing southwest in the
afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots. waves calm to
2 feet. 
.monday...west winds 5 to 15 knots backing east. waves calm to
2 feet. 
.tuesday...east winds 10 to 20 knots increasing to 20 to
30 knots. a chance of snow showers, possibly mixed with rain.
waves building to 7 to 10 feet occasionally to 13 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 122101
glfls 
expires:202602130900;;526186

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu feb 12 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...

a 30.3 inch high pressure was over the great lakes this afternoon. 
by friday morning, the high retreats into the southern portion of 
the great lakes while a 29.8 inch low moves across far northern 
ontario. this low pulls a 29.9 inch trough over eastern lake 
superior friday afternoon. high pressure builds back to 30.1 inches 
over the great lakes by saturday morning before a weak 29.8 inch 
trough moves into the upper great lakes saturday evening. weak 
troughing of around 29.8 inches hangs out over the upper great lakes 
the rest of this weekend to monday. weak ridging of 30.2 inches is 
expected on tuesday ahead of a 29.3 inch low over the central 
rockies.



lsz264-130900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est thu feb 12 2026

.late this afternoon...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...southwest winds 5 to 15 knots increasing to 15 to
25 knots. waves building to 2 to 4 feet. 
.friday...west winds 15 to 25 knots veering northwest 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. 
.friday night...north winds 5 to 15 knots diminishing to less
than 10 knots by midnight, then backing southwest late. waves
subsiding to calm to 2 feet. 
.saturday...south winds 5 to 15 knots. waves calm to 2 feet. 
.saturday night...southwest winds 5 to 15 knots veering northwest
after midnight. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots backing south after
midnight. waves calm to 2 feet. 
.monday...west winds 5 to 15 knots veering northwest. waves calm
to 2 feet. 
.tuesday...east winds 10 to 20 knots increasing to 20 to
30 knots. a chance of snow showers. waves building to 7 to
10 feet occasionally to 13 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 122101
glfls 
expires:202602130900;;526187

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu feb 12 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...

a 30.3 inch high pressure was over the great lakes this afternoon. 
by friday morning, the high retreats into the southern portion of 
the great lakes while a 29.8 inch low moves across far northern 
ontario. this low pulls a 29.9 inch trough over eastern lake 
superior friday afternoon. high pressure builds back to 30.1 inches 
over the great lakes by saturday morning before a weak 29.8 inch 
trough moves into the upper great lakes saturday evening. weak 
troughing of around 29.8 inches hangs out over the upper great lakes 
the rest of this weekend to monday. weak ridging of 30.2 inches is 
expected on tuesday ahead of a 29.3 inch low over the central 
rockies.



lsz265-130900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est thu feb 12 2026

.late this afternoon...south winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...south winds 5 to 15 knots becoming southwest 10 to
20 knots late. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots increasing to 15 to 25 knots
by late morning, then becoming northwest 10 to 20 knots by mid
afternoon. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest late.
waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.saturday night...south winds 10 to 20 knots veering west after
midnight. waves calm to 2 feet. 
.sunday...northwest winds 10 to 20 knots backing west in the
afternoon. waves calm to 2 feet. 
.sunday night...south winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves calm to 2 feet. 
.monday...west winds 10 to 20 knots. waves calm to 2 feet. 
.tuesday...east winds 10 to 20 knots increasing to 20 to
30 knots. a chance of snow showers, possibly mixed with rain.
waves building to 5 to 8 feet occasionally to 10 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 122101
glfls 
expires:202602130900;;526188

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu feb 12 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...

a 30.3 inch high pressure was over the great lakes this afternoon. 
by friday morning, the high retreats into the southern portion of 
the great lakes while a 29.8 inch low moves across far northern 
ontario. this low pulls a 29.9 inch trough over eastern lake 
superior friday afternoon. high pressure builds back to 30.1 inches 
over the great lakes by saturday morning before a weak 29.8 inch 
trough moves into the upper great lakes saturday evening. weak 
troughing of around 29.8 inches hangs out over the upper great lakes 
the rest of this weekend to monday. weak ridging of 30.2 inches is 
expected on tuesday ahead of a 29.3 inch low over the central 
rockies.



lsz266-130900-
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 thu feb 12 2026

.late this afternoon...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...southwest winds 5 to 15 knots increasing to 15 to
25 knots. waves building to 2 to 4 feet. 
.friday...southwest winds 15 to 25 knots veering northwest. waves
building to 3 to 6 feet occasionally to 8 feet. 
.friday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots by midnight, then backing west late. a slight
chance of snow showers in the evening. waves subsiding to calm to
2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.saturday night...south winds 10 to 20 knots veering southwest
after midnight. waves building to 1 to 3 feet. 
.sunday...northwest winds 10 to 20 knots. waves subsiding to calm
to 2 feet. 
.sunday night...southwest winds 10 to 20 knots backing south
after midnight. waves calm to 2 feet. 
.monday...west winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.tuesday...east winds 10 to 20 knots increasing to gales to
35 knots. a chance of snow showers. waves building to 6 to 9 feet
occasionally to 11 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 122101
glfls 
expires:202602130900;;526189

open lake forecast for lake superior
national weather service marquette mi
400 pm est thu feb 12 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...

a 30.3 inch high pressure was over the great lakes this afternoon. 
by friday morning, the high retreats into the southern portion of 
the great lakes while a 29.8 inch low moves across far northern 
ontario. this low pulls a 29.9 inch trough over eastern lake 
superior friday afternoon. high pressure builds back to 30.1 inches 
over the great lakes by saturday morning before a weak 29.8 inch 
trough moves into the upper great lakes saturday evening. weak 
troughing of around 29.8 inches hangs out over the upper great lakes 
the rest of this weekend to monday. weak ridging of 30.2 inches is 
expected on tuesday ahead of a 29.3 inch low over the central 
rockies.



lsz267-130900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est thu feb 12 2026

.late this afternoon...south winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southwest winds less than 10 knots increasing to 15 to
25 knots. waves building to 2 to 4 feet. 
.friday...southwest winds 15 to 25 knots veering northwest by mid
afternoon. a chance of snow showers in the morning. waves
building to 3 to 6 feet occasionally to 8 feet. 
.friday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots by midnight. waves subsiding to calm to 2 feet. 
.saturday...south winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.saturday night...south winds 10 to 20 knots. waves building to
1 to 3 feet. 
.sunday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.sunday night...southwest winds 5 to 15 knots becoming south
10 to 20 knots after midnight. waves calm to 2 feet. 
.monday...south winds 10 to 20 knots veering west. waves building
to 1 to 3 feet, then subsiding to calm to 2 feet. 
.tuesday...east winds 10 to 20 knots increasing to 20 to
30 knots. a chance of snow showers, possibly mixed with freezing
rain. waves building to 3 to 6 feet occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$