fzus61 kbuf 010302
glflo 
expires:202601011000;;584361

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est wed dec 31 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 29.8 inch low will pass just north of lake ontario 
this afternoon before reaching the saint lawrence valley tonight. a 
secondary 29.6 inch coastal low will develop over the gulf of maine 
thursday morning, with this low deepening to 28.8 inches as it moves 
north across the canadian maritimes thursday night through friday, 
then to northern quebec by saturday. a 30.3 inch high will then 
build from the western great lakes sunday to the lower great lakes 
by early monday.


loz063>065-011000-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 pm est wed dec 31 2025

.overnight...west winds to 30 knots becoming northwest.
lake effect snow, then a chance of snow showers late. waves 4 to
7 feet building to 6 to 9 feet. waves occasionally around
11 feet. 
.thursday...northwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. snow showers. waves 5 to 8 feet
subsiding to 3 to 6 feet. waves occasionally around 10 feet. 
.thursday night...northwest winds 15 to 25 knots becoming west.
lake effect snow showers. waves 5 to 8 feet. waves occasionally
around 10 feet. 
.friday...west winds 15 to 25 knots. lake effect snow showers.
waves 5 to 9 feet. waves occasionally around 11 feet. 
.friday night...west winds 15 to 25 knots becoming northwest.
lake effect snow showers. waves 5 to 9 feet subsiding to 4 to
7 feet. waves occasionally around 11 feet. 
.saturday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. lake effect snow showers likely during the day, then a
chance of snow showers saturday night. waves 4 to 7 feet
subsiding to 1 to 3 feet. waves occasionally around 9 feet. 
.sunday...northwest winds 10 to 15 knots. a chance of snow
showers. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots. a chance of snow
showers during the day, then a chance of snow and rain showers
monday night. waves 1 to 3 feet. 

$$

fzus61 kbuf 010302
glflo 
expires:202601011000;;584360

open lake forecast for lake ontario
national weather service buffalo ny
1002 pm est wed dec 31 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 29.8 inch low will pass just north of lake ontario 
this afternoon before reaching the saint lawrence valley tonight. a 
secondary 29.6 inch coastal low will develop over the gulf of maine 
thursday morning, with this low deepening to 28.8 inches as it moves 
north across the canadian maritimes thursday night through friday, 
then to northern quebec by saturday. a 30.3 inch high will then 
build from the western great lakes sunday to the lower great lakes 
by early monday.


loz062-011000-
lake ontario open waters from the niagara river to hamlin beach-
1002 pm est wed dec 31 2025

.overnight...west winds to 30 knots becoming northwest. a
chance of snow, then a chance of snow showers late. waves 5 to
8 feet. waves occasionally around 10 feet. 
.thursday...northwest winds 15 to 25 knots becoming west. a
chance of snow showers in the morning, then snow showers likely
in the afternoon. waves 3 to 6 feet. 
.thursday night...west winds 20 to 25 knots. lake effect snow
showers likely. waves 5 to 8 feet. waves occasionally around
10 feet. 
.friday...west winds 20 to 25 knots. lake effect snow showers
likely. waves 5 to 8 feet. waves occasionally around 10 feet. 
.friday night...west winds 15 to 25 knots. snow showers likely in
the evening, then a chance of snow showers overnight. waves 4 to
7 feet. waves occasionally around 9 feet. 
.saturday...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow showers. waves 3 to 6 feet subsiding
to 1 to 2 feet. 
.sunday...west winds 10 to 15 knots becoming northwest. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots becoming west. a chance
of snow showers. waves 1 to 2 feet. 

$$

fzus61 kcle 010215
glfle 
expires:202601010915;;583130

open lake forecast for lake erie
national weather service cleveland oh
915 pm est wed dec 31 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...
a ridge averaging 29.90 inches builds in late tonight into
thursday. a trough averaging 29.80 inches will linger across lake
erie into friday. high pressure 30.10 inches will build into the 
great lakes over the weekend into early next week.


lez061-168-169-010915-
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-
915 pm est wed dec 31 2025

.rest of tonight...northwest winds to 30 knots. snow late this
evening, then a chance of snow after midnight. a slight chance of
snow late. waves 8 to 11 feet subsiding to 5 to 9 feet. waves
occasionally around 14 feet. 
.thursday...northwest winds 15 to 25 knots becoming west. a
slight chance of snow. waves 4 to 7 feet subsiding to 3 to
6 feet. waves occasionally around 9 feet. 
.thursday night...west winds 15 to 25 knots. a chance of snow.
waves 4 to 7 feet. waves occasionally around 9 feet. 
.friday...west winds 15 to 20 knots. snow likely. waves 4 to
6 feet. 
.friday night...west winds 15 to 20 knots. a chance of snow in
the evening. waves 3 to 6 feet. 
.saturday...west winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...northwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.monday...southwest winds 10 to 15 knots. a chance of snow during
the day. waves 1 to 3 feet. 

$$

fzus61 kcle 010215
glfle 
expires:202601010915;;583128

open lake forecast for lake erie
national weather service cleveland oh
915 pm est wed dec 31 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...
a ridge averaging 29.90 inches builds in late tonight into
thursday. a trough averaging 29.80 inches will linger across lake
erie into friday. high pressure 30.10 inches will build into the 
great lakes over the weekend into early next week.


lez162>165-010915-
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-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
915 pm est wed dec 31 2025

.rest of tonight...northwest winds to 30 knots diminishing to
15 to 25 knots. snow likely late this evening, then a chance of
snow after midnight. waves 5 to 8 feet. waves occasionally around
10 feet. 
.thursday...northwest winds 15 to 20 knots becoming west. waves
3 to 5 feet. 
.thursday night...west winds 15 to 20 knots. a chance of snow in
the evening. waves 3 to 5 feet. 
.friday...west winds 15 to 20 knots. waves 2 to 4 feet. 
.friday night...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots becoming west. waves
2 feet or less. 
.sunday...northwest winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.monday...south winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 

$$

fzus61 kcle 010215
glfle 
expires:202601010915;;583129

open lake forecast for lake erie
national weather service cleveland oh
915 pm est wed dec 31 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...
a ridge averaging 29.90 inches builds in late tonight into
thursday. a trough averaging 29.80 inches will linger across lake
erie into friday. high pressure 30.10 inches will build into the 
great lakes over the weekend into early next week.


lez166-167-010915-
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-
915 pm est wed dec 31 2025

.rest of tonight...northwest winds to 30 knots. snow late this
evening, then a chance of snow after midnight. a slight chance of
snow late. waves 6 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet. 
.thursday...northwest winds 15 to 25 knots becoming west. a
slight chance of snow late in the morning. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.thursday night...west winds 15 to 25 knots. a chance of snow.
waves 4 to 7 feet. waves occasionally around 9 feet. 
.friday...west winds 15 to 20 knots. a chance of snow in the
morning. waves 3 to 6 feet. 
.friday night...west winds 15 to 20 knots becoming northwest
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 3 feet. 
.saturday...northwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.sunday...northwest winds 10 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.monday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow during the day. waves 1 to 3 feet
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 

$$

fzus63 kdtx 010239
glflh 
expires:202601011045;;583782

open lake forecast for lake huron
national weather service detroit/pontiac mi
939 pm est wed dec 31 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...moderate northwesterly winds under an arctic airmass
result in areas of heavier freezing spray over the northern
portions of lake huron into thursday morning. the lingering upper
trough maintains these winds through friday. a weak clipper,
29.90 inches, crosses the region saturday offering light snow
chances but only minimal increases in wind strengths.


lhz362-011045-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
939 pm est wed dec 31 2025

...heavy freezing spray warning in effect through thursday
morning...

.rest of tonight...northwest winds to 30 knots decreasing to
20 to 25 knots after midnight. heavy freezing spray. waves 10 to
14 feet. waves occasionally around 18 feet. 
.thursday...west winds 20 to 25 knots with gusts to around
30 knots. freezing spray. waves 8 to 12 feet. waves occasionally
around 15 feet. 
.thursday night...west winds 20 to 25 knots. freezing spray.
waves 8 to 12 feet. waves occasionally around 15 feet. 
.friday...west winds 20 to 25 knots. freezing spray. waves 6 to
9 feet. waves occasionally around 12 feet. 
.friday night...west winds 20 to 25 knots decreasing to 15 to
20 knots after midnight. freezing spray. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.saturday...west winds 10 to 15 knots increasing to 15 to
20 knots late in the evening. waves 5 to 7 feet subsiding to 3 to
5 feet. waves occasionally around 10 feet. 
.sunday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots until early evening...then backing to the west by
midnight. a chance of snow by midnight. waves 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots. a chance of snow until
afternoon. waves 3 to 5 feet subsiding to 2 to 4 feet by
midnight. 


$$

fzus63 kdtx 010239
glflh 
expires:202601011045;;583783

open lake forecast for lake huron
national weather service detroit/pontiac mi
939 pm est wed dec 31 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...moderate northwesterly winds under an arctic airmass
result in areas of heavier freezing spray over the northern
portions of lake huron into thursday morning. the lingering upper
trough maintains these winds through friday. a weak clipper,
29.90 inches, crosses the region saturday offering light snow
chances but only minimal increases in wind strengths.


lhz363-462>464-011045-
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-
939 pm est wed dec 31 2025

.rest of tonight...northwest winds to 30 knots decreasing to
20 to 25 knots early in the morning. a chance of snow this
evening. freezing spray. waves 10 to 14 feet. waves occasionally
around 18 feet. 
.thursday...west winds 20 to 25 knots. gusts to 30 knots early in
the morning. freezing spray. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.thursday night...west winds 20 to 25 knots decreasing to 15 to
20 knots in the late evening and overnight. freezing spray. waves
5 to 7 feet. waves occasionally around 10 feet. 
.friday...west winds 15 to 20 knots. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.friday night...west winds 15 to 20 knots. waves 6 to 9 feet.
waves occasionally around 12 feet. 
.saturday...west winds 10 to 15 knots increasing to 15 to
20 knots late in the evening. waves 3 to 5 feet subsiding to 2 to
4 feet late in the afternoon...then building to 3 to 5 feet late
in the evening. 
.sunday...west winds 15 to 20 knots becoming northwest 10 to
15 knots until early evening...then backing to the west by
midnight. a chance of snow by midnight. waves 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots. a chance of snow until
afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet by
midnight. 


$$

fzus63 kdtx 010239
glflh 
expires:202601011045;;583781

open lake forecast for lake huron
national weather service detroit/pontiac mi
939 pm est wed dec 31 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...moderate northwesterly winds under an arctic airmass
result in areas of heavier freezing spray over the northern
portions of lake huron into thursday morning. the lingering upper
trough maintains these winds through friday. a weak clipper,
29.90 inches, crosses the region saturday offering light snow
chances but only minimal increases in wind strengths.


lhz361-011045-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
939 pm est wed dec 31 2025

...heavy freezing spray warning in effect through thursday
morning...

.rest of tonight...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots after midnight...
then increasing to 20 to 25 knots with gusts to around 30 knots
early in the morning. heavy freezing spray. waves 5 to 7 feet.
waves occasionally around 10 feet. 
.thursday...west winds 20 to 25 knots with gusts to around
30 knots. freezing spray. waves 6 to 9 feet. waves occasionally
around 12 feet. 
.thursday night...west winds 20 to 25 knots. freezing spray.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.friday...west winds 15 to 20 knots increasing to 20 to 25 knots
early in the afternoon. freezing spray. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.friday night...west winds 20 to 25 knots decreasing to 10 to
15 knots. freezing spray in the evening. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.saturday...northwest winds 5 to 10 knots becoming west 10 to
15 knots late in the afternoon. a chance of snow late in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet late in the
morning...then building to 3 to 5 feet late in the evening. 
.sunday...northwest winds 10 to 15 knots becoming west 5 to
10 knots early in the evening...then backing to the southwest by
midnight. a chance of snow . waves 2 to 4 feet subsiding to 1 to
3 feet. 
.monday...southwest winds 10 to 15 knots becoming west 5 to
10 knots . a chance of snow until afternoon. waves 1 to 3 feet. 


$$

fzus63 kdtx 010239
glfsc 
expires:202601011045;;583785

lake st clair forecast
national weather service detroit/pontiac mi
939 pm est wed dec 31 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...moderate northwesterly winds under an arctic airmass
result in areas of heavier freezing spray over the northern
portions of lake huron into thursday morning. the lingering upper
trough maintains these winds through friday. a weak clipper,
29.90 inches, crosses the region saturday offering light snow
chances but only minimal increases in wind strengths.


lcz460-011045-
lake st clair-
939 pm est wed dec 31 2025

.rest of tonight...northwest winds 15 to 20 knots diminishing to 10
to 15 knots after midnight. mostly clear. a chance of light snow by
midnight. waves 2 feet or less.
.thursday...west winds 10 to 15 knots. mostly sunny. a chance of
flurries late in the afternoon. waves 2 feet or less.
.thursday night...west winds 10 to 15 knots. mostly cloudy. a chance
of flurries. waves 2 feet or less.
.friday...west winds 10 to 15 knots. partly sunny. a chance of
flurries early in the morning. waves 2 feet or less.
.friday night...west winds 10 to 15 knots diminishing to 5 to 10
knots in the late evening and overnight. partly cloudy. waves 2 feet
or less.
.saturday...west winds 5 to 10 knots. partly sunny in the morning
becoming mostly cloudy. waves 2 feet or less.
.sunday...southwest winds 5 to 10 knots. partly cloudy. waves 2 feet
or less.
.monday...southwest winds 10 to 15 knots. mostly cloudy with a
chance of light snow. waves 2 feet or less.

$$

fzus63 kmkx 010255
glflm 
expires:202601011015;;584008

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
855 pm cst wed dec 31 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...

northwest winds gusting up to 30 knots are expected through this 
evening behind the front, with winds gradually easing overnight 
into thursday as high pressure builds in from the northwest. 
moderate freezing spray is expected to develop from north to south
this afternoon into this evening and continue into thursday 
morning as a colder airmass arrives behind the cold front. west to
northwest winds around 10 to 20 knots will then prevail most of 
the time through the end of the week under persistent northwest 
flow aloft.


lmz261-362-364-366-563-565-567-868-011015-
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-
855 pm cst wed dec 31 2025

sheboygan wi to pentwater mi north...

.rest of tonight...northwest winds to 30 kt. chance of snow and
slight chance of light freezing rain through early evening.
freezing spray. waves 7 to 10 ft occasionally to 13 ft subsiding
to 6 to 9 ft occasionally to 12 ft. 
.thursday...northwest winds to 30 kt becoming west 15 to 25 kt.
freezing spray in the morning. slight chance of light freezing
rain and snow in the afternoon. waves 4 to 7 ft occasionally to
9 ft. 
.thursday night...west winds 15 to 25 kt. waves 4 to 6 ft
occasionally to 8 ft. 
.friday...northwest winds 15 to 25 kt becoming west. waves 3 to
5 ft. 
.friday night...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 2 to 4 ft. 
.saturday...northwest winds 10 to 20 kt becoming west. chance of
snow in the morning. waves 1 to 3 ft. 
.saturday night...northwest winds 10 to 20 kt. waves 2 to 4 ft. 
.sunday...northwest winds 10 to 15 kt becoming west 10 to 20 kt.
waves 2 to 4 ft. 
.monday...southwest winds 10 to 20 kt becoming west. waves 4 to
6 ft occasionally to 8 ft.  

$$

fzus63 kmkx 010255
glflm 
expires:202601011015;;584009

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
855 pm cst wed dec 31 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...

northwest winds gusting up to 30 knots are expected through this 
evening behind the front, with winds gradually easing overnight 
into thursday as high pressure builds in from the northwest. 
moderate freezing spray is expected to develop from north to south
this afternoon into this evening and continue into thursday 
morning as a colder airmass arrives behind the cold front. west to
northwest winds around 10 to 20 knots will then prevail most of 
the time through the end of the week under persistent northwest 
flow aloft.


lmz080-669-671-673-675-777-779-870-872-874-876-878-011015-
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-
855 pm cst wed dec 31 2025

sheboygan wi to pentwater mi south...

.rest of tonight...northwest winds to 30 kt diminishing to 15 to
25 kt. chance of snow and light freezing rain through early
evening. freezing spray. waves 8 to 12 ft occasionally to 16 ft
subsiding to 6 to 9 ft occasionally to 12 ft. 
.thursday...northwest winds 10 to 20 kt becoming west. freezing
spray in the morning. chance of snow in the afternoon. waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.thursday night...west winds 10 to 20 kt becoming northwest.
waves 4 to 7 ft occasionally to 9 ft. 
.friday...northwest winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft. 
.friday night...northwest winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft. 
.saturday...northwest winds 5 to 10 kt becoming west 10 to 15 kt.
waves 1 to 3 ft. 
.saturday night...northwest winds 10 to 20 kt. waves 2 to 4 ft. 
.sunday...northwest winds 10 to 15 kt becoming west. waves 2 to
4 ft. 
.monday...southwest winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft.  

$$

fzus63 kmqt 010301
glfls 
expires:202601010900;;584250

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed dec 31 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...

as a weakening 28.3 inch low continues retrograding over hudson bay 
through tonight, a weakening 30.5 inch ridge builds from the 
canadian prairies into the upper midwest. this pattern remains 
fairly stable thursday through saturday as another strong hudson bay 
low sets up while ridging averaging 30.1 inches remains over the 
upper mississippi valley.



lsz264-010900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm est wed dec 31 2025

...gale warning in effect through thursday evening...
...heavy freezing spray warning in effect through thursday
evening...

.rest of tonight...northwest gales to 35 knots. heavy freezing
spray. a slight chance of snow showers. waves 9 to 12 feet
occasionally to 15 feet subsiding to 8 to 11 feet occasionally to
14 feet. 
.thursday...northwest gales to 35 knots. heavy freezing spray. a
slight chance of snow showers in the afternoon. waves subsiding
to 7 to 10 feet occasionally to 13 feet. 
.thursday night...northwest gales to 35 knots diminishing to
20 to 30 knots by midnight. a slight chance of snow showers in
the evening. heavy freezing spray. waves subsiding to 5 to 8 feet
occasionally to 10 feet. 
.friday...northwest winds 20 to 30 knots. heavy freezing spray.
waves building to 6 to 9 feet occasionally to 11 feet, then
subsiding to 4 to 7 feet occasionally to 9 feet. 
.friday night...northwest winds 20 to 30 knots diminishing to
10 to 20 knots after midnight. freezing spray in the evening. a
slight chance of snow showers. waves subsiding to 2 to 4 feet. 
.saturday...northwest winds 10 to 20 knots. a chance of snow
showers. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 
.saturday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves 2 to 4 feet. 
.sunday...northwest winds 5 to 15 knots backing southwest. a
chance of snow showers. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.monday...west winds 5 to 15 knots. waves subsiding to calm to
2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 010301
glfls 
expires:202601010900;;584251

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed dec 31 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...

as a weakening 28.3 inch low continues retrograding over hudson bay 
through tonight, a weakening 30.5 inch ridge builds from the 
canadian prairies into the upper midwest. this pattern remains 
fairly stable thursday through saturday as another strong hudson bay 
low sets up while ridging averaging 30.1 inches remains over the 
upper mississippi valley.



lsz265-010900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm est wed dec 31 2025

...gale warning in effect through thursday evening...
...heavy freezing spray warning in effect through thursday
evening...

.rest of tonight...northwest gales to 40 knots. heavy freezing
spray. a chance of snow showers. waves 9 to 12 feet occasionally
to 15 feet subsiding to 7 to 10 feet occasionally to 13 feet. 
.thursday...northwest gales to 40 knots. heavy freezing spray. a
chance of snow showers. waves subsiding to 6 to 9 feet
occasionally to 11 feet. 
.thursday night...northwest gales to 35 knots. freezing spray. a
slight chance of snow showers. waves subsiding to 5 to 8 feet
occasionally to 10 feet. 
.friday...northwest gales to 35 knots. freezing spray. a slight
chance of snow showers in the afternoon. waves 5 to 8 feet
occasionally to 10 feet. 
.friday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. freezing spray. a slight chance of
snow showers. waves subsiding to 2 to 4 feet. 
.saturday...northwest winds 15 to 25 knots. a chance of snow
showers. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 
.saturday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves subsiding to 1 to 3 feet. 
.sunday...west winds 15 to 25 knots becoming southwest 10 to
20 knots. a chance of snow showers. waves subsiding to calm to
2 feet. 
.monday...west winds 10 to 20 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 010301
glfls 
expires:202601010900;;584248

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed dec 31 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...

as a weakening 28.3 inch low continues retrograding over hudson bay 
through tonight, a weakening 30.5 inch ridge builds from the 
canadian prairies into the upper midwest. this pattern remains 
fairly stable thursday through saturday as another strong hudson bay 
low sets up while ridging averaging 30.1 inches remains over the 
upper mississippi valley.



lsz162-010900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est wed dec 31 2025 /900 pm cst wed dec 31 2025/

.rest of tonight...northwest winds 20 to 30 knots. heavy freezing
spray late in the evening. waves 3 to 6 feet occasionally to
8 feet. 
.thursday...west winds 15 to 25 knots. a slight chance of snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday night...west winds 15 to 25 knots. a slight chance of
snow showers in the evening. waves subsiding to 1 to 3 feet. 
.friday...west winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. waves 1 to 3 feet. 
.friday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a slight chance of snow showers
after midnight. waves subsiding to calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots becoming west 10 to
20 knots in the afternoon. a chance of snow showers. waves calm
to 2 feet. 
.saturday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots becoming southwest 10 to
20 knots. a chance of snow showers. waves calm to 2 feet. 
.monday...west winds 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 010301
glfls 
expires:202601010900;;584253

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed dec 31 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...

as a weakening 28.3 inch low continues retrograding over hudson bay 
through tonight, a weakening 30.5 inch ridge builds from the 
canadian prairies into the upper midwest. this pattern remains 
fairly stable thursday through saturday as another strong hudson bay 
low sets up while ridging averaging 30.1 inches remains over the 
upper mississippi valley.



lsz267-010900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm est wed dec 31 2025

...gale warning in effect through thursday evening...
...heavy freezing spray warning in effect through thursday
evening...

.rest of tonight...northwest gales to 40 knots. heavy freezing
spray. snow showers likely. waves 11 to 15 feet occasionally to
19 feet subsiding to 10 to 14 feet occasionally to 18 feet, then
building to 11 to 15 feet occasionally to 19 feet. 
.thursday...northwest gales to 40 knots. heavy freezing spray. a
chance of snow showers in the morning. snow showers likely in the
afternoon. waves subsiding to 10 to 14 feet occasionally to
18 feet. 
.thursday night...northwest gales to 35 knots. freezing spray.
snow showers likely in the evening. a chance of snow showers
after midnight. waves subsiding to 7 to 10 feet occasionally to
13 feet. 
.friday...northwest winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. freezing spray. a chance of snow
showers. waves building to 8 to 11 feet occasionally to 14 feet. 
.friday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. freezing spray. a chance of snow
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...northwest winds 10 to 20 knots. a chance of snow
showers in the morning, then snow showers likely in the
afternoon. waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet. 
.saturday night...northwest winds 15 to 25 knots. freezing spray.
a chance of snow showers. waves building to 3 to 6 feet
occasionally to 8 feet. 
.sunday...northwest winds 15 to 25 knots backing southwest. a
chance of snow showers, then snow showers likely. waves subsiding
to 2 to 4 feet. 
.monday...west winds 10 to 20 knots. a chance of snow showers.
waves subsiding to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 010301
glfls 
expires:202601010900;;584252

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed dec 31 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...

as a weakening 28.3 inch low continues retrograding over hudson bay 
through tonight, a weakening 30.5 inch ridge builds from the 
canadian prairies into the upper midwest. this pattern remains 
fairly stable thursday through saturday as another strong hudson bay 
low sets up while ridging averaging 30.1 inches remains over the 
upper mississippi valley.



lsz266-010900-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 pm est wed dec 31 2025

...gale warning in effect through thursday evening...
...heavy freezing spray warning in effect through thursday
evening...

.rest of tonight...northwest gales to 40 knots. heavy freezing
spray. snow showers likely late in the evening. a chance of snow
showers after midnight. waves 12 to 17 feet occasionally to
21 feet subsiding to 11 to 15 feet occasionally to 19 feet. 
.thursday...northwest gales to 40 knots. heavy freezing spray. a
chance of snow showers. waves subsiding to 10 to 14 feet
occasionally to 18 feet. 
.thursday night...northwest gales to 35 knots diminishing to
20 to 30 knots by midnight. freezing spray. a chance of snow
showers. waves subsiding to 7 to 10 feet occasionally to 13 feet.
.friday...northwest gales to 35 knots. freezing spray. a chance
of snow showers. waves building to 8 to 11 feet occasionally to
14 feet. 
.friday night...northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. freezing spray. a chance of snow
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...northwest winds 15 to 25 knots. freezing spray. a
chance of snow showers. waves subsiding to 2 to 4 feet, then
building to 3 to 5 feet occasionally to 7 feet. 
.saturday night...northwest winds 15 to 25 knots. freezing spray
in the evening. a chance of snow showers. waves building to 3 to
6 feet occasionally to 8 feet. 
.sunday...northwest winds 15 to 25 knots backing southwest. a
chance of snow showers. waves subsiding to 2 to 4 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 010301
glfls 
expires:202601010900;;584249

open lake forecast for lake superior
national weather service marquette mi
1000 pm est wed dec 31 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...

as a weakening 28.3 inch low continues retrograding over hudson bay 
through tonight, a weakening 30.5 inch ridge builds from the 
canadian prairies into the upper midwest. this pattern remains 
fairly stable thursday through saturday as another strong hudson bay 
low sets up while ridging averaging 30.1 inches remains over the 
upper mississippi valley.



lsz263-010900-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 pm est wed dec 31 2025

...heavy freezing spray warning in effect through thursday
evening...

.rest of tonight...northwest winds 20 to 30 knots. heavy freezing
spray. a slight chance of snow showers. waves 5 to 9 feet
occasionally to 11 feet. 
.thursday...northwest winds 20 to 30 knots backing west. heavy
freezing spray. a chance of snow showers. waves building to 5 to
9 feet occasionally to 11 feet. 
.thursday night...west winds 20 to 30 knots veering northwest
late. freezing spray. a chance of snow showers. waves subsiding
to 4 to 7 feet occasionally to 9 feet. 
.friday...northwest winds 20 to 30 knots becoming west 15 to
25 knots in the afternoon. freezing spray. waves subsiding to
3 to 6 feet occasionally to 8 feet. 
.friday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. a slight chance of snow showers
after midnight. waves subsiding to 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. a chance of snow showers. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.saturday night...northwest winds 10 to 20 knots. waves 1 to
3 feet. 
.sunday...northwest winds 5 to 15 knots backing southwest. a
chance of snow showers. waves subsiding to calm to 2 feet. 
.monday...west winds 5 to 15 knots. waves calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$