fzus61 kbuf 211147
glflo 
expires:202601211600;;267071

open lake forecast for lake ontario
national weather service buffalo ny
647 am est wed jan 21 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 29.8 inch low will move from the upper great lakes 
today to central quebec through thursday, then to the canadian 
maritimes friday. this low will push an arctic cold front across the 
lake thursday morning, followed by a reinforcing secondary front 
late thursday night into friday morning. at the same time, a large 
31.1 inch high will build from northwestern canada to the northern 
plains states, with the high then weakening to 30.7 inches as it 
slides eastward across the great lakes and new england over the 
weekend.


loz063>065-211600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
647 am est wed jan 21 2026

...gale watch in effect from late tonight through friday
evening...

.today...south winds to 30 knots. a chance of snow showers late
this morning. snow showers this afternoon. waves 5 to 9 feet
building to 7 to 10 feet. waves occasionally around 13 feet. 
.tonight...south winds to 30 knots becoming southwest. snow
showers likely. waves 7 to 10 feet building to 9 to 13 feet.
waves occasionally around 16 feet. 
.thursday...southwest gales to 35 knots becoming west to
40 knots. a chance of lake effect snow showers in the morning,
then lake effect snow showers likely in the afternoon. waves
10 to 15 feet building to 13 to 18 feet. waves occasionally
around 23 feet. 
.thursday night...west gales to 40 knots diminishing to 35 knots.
lake effect snow showers. waves 14 to 18 feet. waves occasionally
around 23 feet. 
.friday...west gales to 35 knots becoming northwest and
diminishing to 30 knots. lake effect snow showers. waves 13 to
17 feet subsiding to 7 to 10 feet. waves occasionally around
22 feet. 
.saturday...northwest winds 15 to 20 knots becoming northeast
10 to 15 knots. a chance of snow showers. waves 3 to 5 feet
subsiding to 1 to 3 feet. 
.sunday...east winds 10 to 15 knots becoming northeast. a chance
of snow showers. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$

fzus61 kbuf 211147
glflo 
expires:202601211600;;267070

open lake forecast for lake ontario
national weather service buffalo ny
647 am est wed jan 21 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 29.8 inch low will move from the upper great lakes 
today to central quebec through thursday, then to the canadian 
maritimes friday. this low will push an arctic cold front across the 
lake thursday morning, followed by a reinforcing secondary front 
late thursday night into friday morning. at the same time, a large 
31.1 inch high will build from northwestern canada to the northern 
plains states, with the high then weakening to 30.7 inches as it 
slides eastward across the great lakes and new england over the 
weekend.


loz062-211600-
lake ontario open waters from the niagara river to hamlin beach-
647 am est wed jan 21 2026

...gale watch in effect from late tonight through friday
evening...

.today...south winds to 30 knots becoming southwest. snow showers
from late morning on. waves 4 to 7 feet building to 8 to 11 feet.
waves occasionally around 14 feet. 
.tonight...southwest winds to 30 knots. snow showers through the
early overnight, then a chance of snow showers late. waves 8 to
11 feet. waves occasionally around 14 feet. 
.thursday...southwest winds to 30 knots becoming west and
increasing to 40 knot gales. a chance of snow showers. waves 8 to
11 feet building to 10 to 15 feet. waves occasionally around
19 feet. 
.thursday night...west gales to 35 knots. a chance of snow
showers in the evening, then lake effect snow showers likely
overnight. waves 10 to 14 feet. waves occasionally around
18 feet. 
.friday...west gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots. lake effect snow showers likely.
waves 10 to 14 feet subsiding to 4 to 7 feet. waves occasionally
around 18 feet. 
.saturday...northwest winds 10 to 15 knots becoming northeast. a
chance of snow showers. waves 2 to 4 feet subsiding to 1 to
3 feet. 
.sunday...east winds 15 to 20 knots becoming north 10 to
15 knots. a chance of snow showers. waves 2 to 4 feet. 

$$

fzus61 kcle 210753
glfle 
expires:202601211530;;255923

open lake forecast for lake erie
national weather service cleveland oh
253 am est wed jan 21 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 cold front will across lake erie later today. a trough 
averaging 29.90 inches will linger on the lake tonight. another
arctic cold front will move across the area late thursday night
into early friday morning. a strong high pressure of 30.70 inches
will build into the great lakes region friday into saturday.


lez162>165-211530-
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-
253 am est wed jan 21 2026

.today...south winds 15 to 20 knots becoming southwest. snow this
morning, then a chance of snow this afternoon. the lake is mostly
ice covered.
.tonight...southwest winds 15 to 25 knots increasing to 30 knots.
a slight chance of snow in the evening, then a chance of snow
after midnight. 
.thursday...west winds to 30 knots diminishing to 15 to 25 knots.
.thursday night...west winds 15 to 20 knots. 
.friday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. 
.saturday...northwest winds 5 to 15 knots becoming northeast. a
chance of snow saturday night. 
.sunday...northeast winds 10 to 15 knots becoming northwest. a
chance of snow during the day. 

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 210753
glfle 
expires:202601211530;;255924

open lake forecast for lake erie
national weather service cleveland oh
253 am est wed jan 21 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 cold front will across lake erie later today. a trough 
averaging 29.90 inches will linger on the lake tonight. another
arctic cold front will move across the area late thursday night
into early friday morning. a strong high pressure of 30.70 inches
will build into the great lakes region friday into saturday.


lez061-166>169-211530-
ripley to buffalo ny extending from 5nm 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-
253 am est wed jan 21 2026

.today...south winds 15 to 25 knots becoming southwest to
30 knots. a chance of snow early, then snow. a chance of snow
late. waves in ice free areas 3 to 6 feet building to 5 to
8 feet. waves in ice free areas occasionally around 10 feet. 
.tonight...southwest winds to 30 knots. a chance of snow. waves
5 to 9 feet. waves occasionally around 11 feet. 
.thursday...west winds to 30 knots. a chance of snow in the
morning. waves 8 to 12 feet. waves occasionally around 15 feet. 
.thursday night...west winds to 30 knots. heavy freezing spray
overnight. waves 6 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet. 
.friday...west winds to 30 knots becoming northwest 15 to
25 knots. heavy freezing spray during the day. waves 5 to 9 feet
subsiding to 2 to 4 feet. waves occasionally around 11 feet. 
.saturday...northwest winds 5 to 15 knots becoming east. a chance
of snow saturday night. waves 2 feet or less. 
.sunday...east winds 10 to 15 knots becoming northwest. a chance
of snow. waves 1 to 3 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 210848
glfsc 
expires:202601211700;;258307

lake st clair forecast
national weather service detroit/pontiac mi
348 am est wed jan 21 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...active weather continues today with low pressure
moving across the central great lakes. this maintains modest wind
speeds and snowfall. additional disturbances and even colder air
arrive later this week and over the weekend. expect elevated
winds/waves, areas of freezing spray, and additional periods of
snowfall.


lcz460-211700-
lake st clair-
348 am est wed jan 21 2026

.today...south winds 10 to 15 knots becoming southwest 15 to 20
knots in the late morning and afternoon. snow until late
afternoon...then a chance of light snow late in the afternoon.
.tonight...southwest winds 10 to 15 knots increasing to 15 to 20
knots after midnight. partly cloudy this evening becoming mostly
cloudy. a chance of light snow early in the evening.
.thursday...west winds 15 to 20 knots. partly sunny.
.thursday night...west winds 15 to 20 knots. partly cloudy.
.friday...west winds 15 to 20 knots diminishing to 10 to 15 knots in
the evening. partly cloudy then clearing.
.saturday...east winds 5 to 10 knots. partly cloudy.
.sunday...north winds 10 to 15 knots. mostly cloudy with a chance of
light snow.

waves omitted due to ice coverage.

$$

fzus63 kdtx 210847
glflh 
expires:202601211700;;258250

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 am est wed jan 21 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...active weather continues today with low pressure
moving across the central great lakes. this maintains modest wind
speeds and snowfall. additional disturbances and even colder air
arrive later this week and over the weekend. expect elevated
winds/waves, areas of freezing spray, and additional periods of
snowfall.


lhz462>464-211700-
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-
347 am est wed jan 21 2026

.today...south winds 15 to 20 knots. snow in the morning.
freezing spray in the morning. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.tonight...southwest winds 15 to 20 knots increasing to 20 to
25 knots early in the morning. a chance of snow showers in the
evening. waves 4 to 6 feet building to 5 to 7 feet early in the
morning. waves occasionally around 10 feet. 
.thursday...west winds 20 to 25 knots increasing to 30 knots in
the late morning and early afternoon...then decreasing to 20 to
25 knots early in the afternoon. freezing spray. waves 8 to 12 
feet. waves occasionally around 15 feet. 
.thursday night...west winds 20 to 25 knots with gusts to around
30 knots. heavy freezing spray. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.friday...west winds 20 to 25 knots with gusts to around 30 knots
decreasing to 15 to 20 knots late in the afternoon. heavy
freezing spray. waves 6 to 9 feet. waves occasionally around
12 feet. 
.saturday...west winds 10 to 15 knots decreasing to 5 to 10 knots
early in the evening...then backing to the southwest by midnight.
waves 4 to 6 feet subsiding to 1 to 3 feet . waves occasionally
around 8 feet. 
.sunday...southeast winds 10 to 15 knots backing to the northeast
by midnight. waves 1 to 3 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 210847
glflh 
expires:202601211700;;258249

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 am est wed jan 21 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...active weather continues today with low pressure
moving across the central great lakes. this maintains modest wind
speeds and snowfall. additional disturbances and even colder air
arrive later this week and over the weekend. expect elevated
winds/waves, areas of freezing spray, and additional periods of
snowfall.


lhz362-363-211700-
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-
347 am est wed jan 21 2026

.today...south winds 15 to 20 knots becoming southwest 10 to
15 knots late in the afternoon. freezing spray in the morning.
snow in the morning...then a chance of snow in the afternoon.
waves 4 to 6 feet. 
.tonight...southwest winds 10 to 15 knots increasing to 20 to
25 knots. a chance of snow showers. freezing spray after
midnight. waves 4 to 6 feet building to 6 to 9 feet early in the
morning. waves occasionally around 12 feet. 
.thursday...west winds 20 to 25 knots increasing to 30 knots in
the late morning and afternoon. freezing spray. waves 8 to
12 feet. waves occasionally around 15 feet. 
.thursday night...west winds to 30 knots decreasing to 20 to
25 knots by midnight...then increasing to 30 knots after
midnight. heavy freezing spray. waves 10 to 14 feet. waves
occasionally around 18 feet. 
.friday...west winds 20 to 25 knots with gusts to around 30 knots
decreasing to 15 to 20 knots late in the evening. heavy freezing
spray. waves 8 to 12 feet. waves occasionally around 15 feet. 
.saturday...west winds 10 to 15 knots decreasing to 5 to 10 knots
. waves 3 to 5 feet subsiding to 1 to 3 feet . 
.sunday...south winds 10 to 15 knots. waves 1 to 3 feet building
to 2 to 4 feet by midnight. 


$$

fzus63 kdtx 210847
glflh 
expires:202601211700;;258248

open lake forecast for lake huron
national weather service detroit/pontiac mi
347 am est wed jan 21 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...active weather continues today with low pressure
moving across the central great lakes. this maintains modest wind
speeds and snowfall. additional disturbances and even colder air
arrive later this week and over the weekend. expect elevated
winds/waves, areas of freezing spray, and additional periods of
snowfall.


lhz361-211700-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
347 am est wed jan 21 2026

.today...south winds 10 to 15 knots becoming southwest 5 to
10 knots in the afternoon. a chance of snow in the morning. waves
2 to 4 feet subsiding to 1 to 3 feet in the afternoon. 
.tonight...southwest winds 10 to 15 knots becoming west 20 to
25 knots. a chance of snow showers. freezing spray after
midnight. waves 1 to 3 feet building to 6 to 9 feet. waves
occasionally around 12 feet. 
.thursday...west winds 20 to 25 knots increasing to 30 knots in
the late morning and afternoon. heavy freezing spray. waves 8 to
12 feet. waves occasionally around 15 feet. 
.thursday night...west winds 20 to 25 knots with gusts to around
30 knots. heavy freezing spray. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.friday...northwest winds 15 to 20 knots becoming west 10 to
15 knots late in the evening. heavy freezing spray. waves 6 to
9 feet. waves occasionally around 12 feet. 
.saturday...west winds 5 to 10 knots backing to the southwest by
midnight. waves 2 to 4 feet subsiding to 2 feet or less. 
.sunday...southwest winds 5 to 10 knots becoming west 10 to
15 knots by midnight. waves 1 to 3 feet. 


$$

fzus63 kmkx 210906
glflm 
expires:202601211645;;259613

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
306 am cst wed jan 21 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...

weak low pressure around 30.0 inches will move across southern 
lake michigan this morning, with increasing westerly winds behind 
it this afternoon. stronger west to northwest winds are expected 
late this afternoon and this evening, behind a passing arctic cold
front, as a more organized low pressure system around 29.6 inches
moves across lake superior.

gale force gusts are expected over the southern half of lake 
michigan, where a gale warning is in effect later this afternoon 
into early thursday morning. gusty west to northwest winds 
thursday will will turn mainly northwest friday, as strong high 
pressure around 31.0 inches builds into the northern great 
plains. a few gale force gusts may occur during this period.

arriving arctic air and elevated wave heights will support 
additional periods of heavy freezing spray wednesday night into 
friday night across the lake. a heavy freezing spray warning is 
in effect for this period. 

the high will shift into wisconsin by saturday, with gradually
lighter winds across lake michigan.


lmz261-362-364-366-563-565-567-868-211645-
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-
306 am cst wed jan 21 2026

sheboygan wi to pentwater mi north...

...heavy freezing spray warning in effect from this evening
through late friday night...

.today...west winds 10 to 15 kt increasing to 30 kt. chance of
snow this morning, then chance of snow showers this afternoon.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.tonight...west winds to 30 kt. chance of snow showers in the
evening. freezing spray. waves 7 to 10 ft occasionally to 13 ft
building to 8 to 11 ft occasionally to 14 ft. 
.thursday...west winds to 30 kt. heavy freezing spray. waves 8 to
11 ft occasionally to 14 ft subsiding to 7 to 10 ft occasionally
to 13 ft. 
.thursday night...west winds to 30 kt becoming northwest. a few 
gales to 35 kt. heavy freezing spray. waves 8 to 11 ft 
occasionally to 14 ft.
.friday...northwest winds to 30 kt. a few gales to 35 kt. heavy 
freezing spray. waves 8 to 11 ft occasionally to 14 ft subsiding 
to 6 to 9 ft occasionally to 12 ft. 
.friday night...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft. 
.saturday...northwest winds 10 to 15 kt becoming west. waves 2 to
4 ft. 
.sunday...west winds 10 to 15 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 210906
glflm 
expires:202601211645;;259614

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
306 am cst wed jan 21 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...

weak low pressure around 30.0 inches will move across southern 
lake michigan this morning, with increasing westerly winds behind 
it this afternoon. stronger west to northwest winds are expected 
late this afternoon and this evening, behind a passing arctic cold
front, as a more organized low pressure system around 29.6 inches
moves across lake superior.

gale force gusts are expected over the southern half of lake 
michigan, where a gale warning is in effect later this afternoon 
into early thursday morning. gusty west to northwest winds 
thursday will will turn mainly northwest friday, as strong high 
pressure around 31.0 inches builds into the northern great 
plains. a few gale force gusts may occur during this period.

arriving arctic air and elevated wave heights will support 
additional periods of heavy freezing spray wednesday night into 
friday night across the lake. a heavy freezing spray warning is 
in effect for this period. 

the high will shift into wisconsin by saturday, with gradually
lighter winds across lake michigan.


lmz080-669-671-673-675-777-779-870-872-874-876-878-211645-
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-
306 am cst wed jan 21 2026

sheboygan wi to pentwater mi south...

...gale warning in effect from this afternoon through late
tonight...
...heavy freezing spray warning in effect from this evening
through late friday night...

.today...southwest winds 15 to 25 kt becoming west gales to 35 
kt late. chance of snow this morning, then slight chance of snow 
showers this afternoon. waves 4 to 7 ft occasionally to 9 ft.
.tonight...west gales to 35 kt. chance of snow showers in the
evening, then slight chance of snow showers overnight. freezing
spray overnight. waves 7 to 10 ft occasionally to 13 ft building
to 10 to 14 ft occasionally to 18 ft. 
.thursday...west winds to 30 kt. a few gales to 35 kt. freezing 
spray. chance of snow showers in the afternoon. waves 10 to 14 ft 
occasionally to 18 ft subsiding to 8 to 11 ft occasionally to 14 
ft. 
.thursday night...west winds to 30 kt becoming northwest. a few 
gales to 35 kt. heavy freezing spray. chance of snow. waves 10 to
14 ft occasionally to 18 ft. 
.friday...northwest winds to 30 kt. a few gales to 35 kt. heavy 
freezing spray. chance of snow. waves 10 to 14 ft occasionally to 
18 ft subsiding to 8 to 11 ft occasionally to 14 ft. 
.friday night...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. heavy freezing spray. waves 5 to 8 ft occasionally to
10 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.saturday...northwest winds 10 to 15 kt. chance of snow. waves
3 to 5 ft. 
.sunday...east winds 10 to 15 kt backing to northwest. chance of
snow. waves 3 to 5 ft.  

$$

fzus63 kmqt 210920 cca
glfls 
expires:202601212100;;261279

open lake forecast for lake superior...corrected
national weather service marquette mi
420 am est wed jan 21 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 29.9 inch low quickly moves over lake michigan this morning while 
a 29.7 inch low drops south through ontario. the first low will move 
over the michigan lower peninsula at 29.9 inches as the second low 
deepens to 29.6 inches over lake superior by evening. these features 
consolidate into a 29.7 inch low over northeastern ontario wednesday 
night before shifting to quebec thursday morning. in the wake of the 
low, 31.0 inch high pressure will be over saskatchewan, shifting over
the dakotas friday and overspreading the upper midwest at around 
30.7 inches saturday. remnant ridging of at least 30.3 inches remains
over lake superior through sunday.



lsz264-212100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
420 am est wed jan 21 2026

...heavy freezing spray warning in effect from this evening
through late friday night...

.early this morning...west winds 10 to 20 knots. snow showers.
waves 3 to 6 feet occasionally to 8 feet. 
.today...northwest winds 10 to 20 knots. snow showers likely.
waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...northwest winds 15 to 25 knots increasing to 20 to
30 knots late. scattered snow showers. heavy freezing spray after
midnight. waves building to 5 to 8 feet occasionally to 10 feet. 
.thursday...northwest winds 20 to 30 knots. heavy freezing spray.
scattered snow showers in the morning. numerous snow showers in
the afternoon. waves building to 5 to 9 feet occasionally to
11 feet. 
.thursday night...northwest gales to 35 knots. heavy freezing
spray. snow showers likely. waves building to 7 to 10 feet
occasionally to 13 feet. 
.friday...northwest winds 20 to 30 knots. heavy freezing spray.
snow showers likely in the morning. a chance of snow showers in
the afternoon. 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. heavy freezing spray in the
evening. a chance of snow showers. waves subsiding to 2 to
4 feet. 
.saturday...west winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to 1 to 3 feet. 
.sunday...west winds 10 to 20 knots increasing to 15 to 25 knots.
waves subsiding to calm to 2 feet, then building to 3 to 5 feet
occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 210920 cca
glfls 
expires:202601212100;;261280

open lake forecast for lake superior...corrected
national weather service marquette mi
420 am est wed jan 21 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 29.9 inch low quickly moves over lake michigan this morning while 
a 29.7 inch low drops south through ontario. the first low will move 
over the michigan lower peninsula at 29.9 inches as the second low 
deepens to 29.6 inches over lake superior by evening. these features 
consolidate into a 29.7 inch low over northeastern ontario wednesday 
night before shifting to quebec thursday morning. in the wake of the 
low, 31.0 inch high pressure will be over saskatchewan, shifting over
the dakotas friday and overspreading the upper midwest at around 
30.7 inches saturday. remnant ridging of at least 30.3 inches remains
over lake superior through sunday.



lsz265-212100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
420 am est wed jan 21 2026

...heavy freezing spray warning in effect from late tonight
through late friday night...
...gale warning in effect from thursday morning through friday
afternoon...

.early this morning...west winds 15 to 25 knots. waves 3 to
5 feet occasionally to 7 feet. 
.today...southwest winds 15 to 25 knots veering west by mid
afternoon. a chance of snow showers. waves subsiding to 1 to
3 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.tonight...west winds 20 to 30 knots veering northwest by
midnight, then increasing to gales to 35 knots late. snow showers
likely. heavy freezing spray after midnight. waves building to
5 to 8 feet occasionally to 10 feet. 
.thursday...northwest gales to 40 knots. heavy freezing spray.
numerous snow showers. waves 5 to 8 feet occasionally to 10 feet.
.thursday night...northwest gales to 40 knots. heavy freezing
spray. snow showers likely. waves building to 8 to 11 feet
occasionally to 14 feet. 
.friday...northwest gales to 40 knots. heavy freezing spray. snow
showers likely. waves subsiding to 4 to 7 feet occasionally to
9 feet. 
.friday night...northwest winds 20 to 30 knots backing west after
midnight. heavy freezing spray in the evening. a chance of snow
showers. waves subsiding to 2 to 4 feet. 
.saturday...west winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.sunday...west winds 10 to 20 knots increasing to 15 to 25 knots.
waves building to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 210920 cca
glfls 
expires:202601212100;;261277

open lake forecast for lake superior...corrected
national weather service marquette mi
420 am est wed jan 21 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 29.9 inch low quickly moves over lake michigan this morning while 
a 29.7 inch low drops south through ontario. the first low will move 
over the michigan lower peninsula at 29.9 inches as the second low 
deepens to 29.6 inches over lake superior by evening. these features 
consolidate into a 29.7 inch low over northeastern ontario wednesday 
night before shifting to quebec thursday morning. in the wake of the 
low, 31.0 inch high pressure will be over saskatchewan, shifting over
the dakotas friday and overspreading the upper midwest at around 
30.7 inches saturday. remnant ridging of at least 30.3 inches remains
over lake superior through sunday.



lsz162-212100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
420 am est wed jan 21 2026 /320 am cst wed jan 21 2026/

...heavy freezing spray warning in effect from late tonight
through friday afternoon...

.early this morning...west winds 10 to 20 knots. a chance of snow
showers. waves 2 to 4 feet. 
.today...west winds 10 to 20 knots increasing to 15 to 25 knots
by mid afternoon. a chance of snow showers. waves 2 to 4 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. heavy freezing spray late. a slight chance of snow 
showers. waves building to 4 to 7 feet occasionally to 9 feet. 
.thursday...northwest winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. heavy freezing spray. scattered snow 
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet, then 
building to 4 to 7 feet occasionally to 9 feet. 
.thursday night...northwest winds 20 to 30 knots. heavy freezing
spray. a chance of snow showers. waves subsiding to 3 to 5 feet 
occasionally to 7 feet. 
.friday...northwest winds 15 to 25 knots. heavy freezing spray in the
morning. a chance of snow showers. waves subsiding to 1 to 3 feet. 
.friday night...northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a chance of snow showers. waves
subsiding to calm to 2 feet. 
.saturday...west winds 5 to 15 knots. waves calm to 2 feet. 
.sunday...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 210920 cca
glfls 
expires:202601212100;;261282

open lake forecast for lake superior...corrected
national weather service marquette mi
420 am est wed jan 21 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 29.9 inch low quickly moves over lake michigan this morning while 
a 29.7 inch low drops south through ontario. the first low will move 
over the michigan lower peninsula at 29.9 inches as the second low 
deepens to 29.6 inches over lake superior by evening. these features 
consolidate into a 29.7 inch low over northeastern ontario wednesday 
night before shifting to quebec thursday morning. in the wake of the 
low, 31.0 inch high pressure will be over saskatchewan, shifting over
the dakotas friday and overspreading the upper midwest at around 
30.7 inches saturday. remnant ridging of at least 30.3 inches remains
over lake superior through sunday.



lsz267-212100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
420 am est wed jan 21 2026

...heavy freezing spray warning in effect until 7 am est this
morning...
...heavy freezing spray warning in effect from late tonight
through saturday morning...
...gale warning in effect from thursday morning through friday
afternoon...

.early this morning...southwest winds 15 to 25 knots. heavy freezing
spray. a slight chance of snow showers. waves 5 to 8 feet 
occasionally to 10 feet. 
.today...southwest winds 15 to 25 knots. freezing spray in the
morning. a chance of snow showers. waves subsiding to 2 to
4 feet. 
.tonight...west winds 20 to 30 knots veering northwest by
midnight, then increasing to gales to 35 knots late. freezing
spray. snow showers. waves building to 7 to 10 feet occasionally
to 13 feet. 
.thursday...northwest gales to 35 knots backing west. heavy
freezing spray. snow showers. waves building to 9 to 12 feet
occasionally to 15 feet. 
.thursday night...northwest gales to 35 knots veering north after
midnight. heavy freezing spray. snow showers. waves 9 to 12 feet
occasionally to 15 feet. 
.friday...north winds 20 to 30 knots backing northwest in the
afternoon. heavy freezing spray. snow showers. waves subsiding to
7 to 10 feet occasionally to 13 feet. 
.friday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. heavy freezing spray. snow showers
likely. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...west winds 10 to 20 knots backing southwest. a chance
of snow showers. waves subsiding to 1 to 3 feet. 
.sunday...southwest winds 10 to 20 knots becoming west 15 to
25 knots. a chance of snow showers. freezing spray. waves
building to 3 to 5 feet occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 210920 cca
glfls 
expires:202601212100;;261281

open lake forecast for lake superior...corrected
national weather service marquette mi
420 am est wed jan 21 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 29.9 inch low quickly moves over lake michigan this morning while 
a 29.7 inch low drops south through ontario. the first low will move 
over the michigan lower peninsula at 29.9 inches as the second low 
deepens to 29.6 inches over lake superior by evening. these features 
consolidate into a 29.7 inch low over northeastern ontario wednesday 
night before shifting to quebec thursday morning. in the wake of the 
low, 31.0 inch high pressure will be over saskatchewan, shifting over
the dakotas friday and overspreading the upper midwest at around 
30.7 inches saturday. remnant ridging of at least 30.3 inches remains
over lake superior through sunday.



lsz266-212100-
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-
420 am est wed jan 21 2026

...heavy freezing spray warning in effect from late tonight
through saturday morning...
...gale warning in effect from thursday morning through friday
afternoon...

.early this morning...west winds 15 to 25 knots. freezing spray.
a slight chance of snow showers. waves 5 to 8 feet occasionally
to 10 feet. 
.today...southwest winds 10 to 20 knots becoming west 15 to
25 knots by mid afternoon. a chance of snow showers. waves
subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet. 
.tonight...west winds 20 to 30 knots becoming northwest gales to
35 knots by midnight. heavy freezing spray after midnight. snow 
showers likely. waves building to 7 to 10 feet occasionally to 13 
feet. 
.thursday...northwest gales to 40 knots becoming west gales to
35 knots. heavy freezing spray. snow showers. waves building to
9 to 12 feet occasionally to 15 feet. 
.thursday night...northwest gales to 40 knots. heavy freezing
spray. snow showers. waves building to 10 to 14 feet occasionally
to 18 feet. 
.friday...northwest gales to 35 knots. heavy freezing spray. snow
showers. waves subsiding to 7 to 10 feet occasionally to 13 feet.
.friday night...northwest winds 20 to 30 knots. heavy freezing
spray. snow showers likely in the evening. a chance of snow
showers after midnight. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.saturday...west winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.sunday...west winds 10 to 20 knots increasing to 15 to 25 knots.
a chance of snow showers. waves building to 3 to 5 feet
occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 210920 cca
glfls 
expires:202601212100;;261278

open lake forecast for lake superior...corrected
national weather service marquette mi
420 am est wed jan 21 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 29.9 inch low quickly moves over lake michigan this morning while 
a 29.7 inch low drops south through ontario. the first low will move 
over the michigan lower peninsula at 29.9 inches as the second low 
deepens to 29.6 inches over lake superior by evening. these features 
consolidate into a 29.7 inch low over northeastern ontario wednesday 
night before shifting to quebec thursday morning. in the wake of the 
low, 31.0 inch high pressure will be over saskatchewan, shifting over
the dakotas friday and overspreading the upper midwest at around 
30.7 inches saturday. remnant ridging of at least 30.3 inches remains
over lake superior through sunday.



lsz263-212100-
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-
420 am est wed jan 21 2026

...heavy freezing spray warning in effect from this evening
through friday evening...

.early this morning...west winds 10 to 20 knots. a chance of snow
showers. waves 3 to 6 feet occasionally to 8 feet. 
.today...southwest winds 10 to 20 knots veering west by late
morning, then increasing to 15 to 25 knots by mid afternoon. snow
showers likely. waves subsiding to 3 to 6 feet occasionally to
8 feet. 
.tonight...northwest winds 15 to 25 knots increasing to 20 to
30 knots by midnight. heavy freezing spray. scattered snow
showers. waves building to 7 to 10 feet occasionally to 13 feet. 
.thursday...northwest winds 20 to 30 knots. heavy freezing spray.
scattered snow showers. waves subsiding to 5 to 8 feet
occasionally to 10 feet, then building to 6 to 9 feet
occasionally to 11 feet. 
.thursday night...northwest winds 20 to 30 knots. heavy freezing
spray. a chance of snow showers in the evening. snow showers
likely after midnight. waves subsiding to 5 to 8 feet
occasionally to 10 feet. 
.friday...northwest winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. heavy freezing spray in the morning.
snow showers likely in the morning, then a chance of snow showers
in the afternoon. waves subsiding to 3 to 5 feet occasionally to
7 feet. 
.friday night...northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. a chance of snow showers. waves
subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...west winds 10 to 20 knots increasing to 15 to 25 knots.
waves subsiding to calm to 2 feet, then building to 2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$