fzus61 kbuf 191502
glflo 
expires:202602192200;;904547

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est thu feb 19 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 29.3 inch low will develop over the central plains 
today, then move to the central great lakes by friday, weakening to 
29.7 inches as it moves just north of lake ontario saturday. a 30.4 
inch high will then slowly build east across the great lakes through 
early next week.


loz064-065-192200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 am est thu feb 19 2026

.this afternoon...east winds 10 to 15 knots. waves 2 feet or less.
.tonight...east winds 10 to 15 knots. waves 2 feet or less. 
.friday...east winds 15 to 20 knots. rain and freezing rain in
the morning, then rain in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.friday night...south winds 10 to 15 knots becoming north 15 to
20 knots. rain with snow likely. waves 1 to 3 feet building to
3 to 5 feet. 
.saturday...north winds 15 to 20 knots becoming east 5 to
15 knots. a chance of snow showers during the day. waves 2 to
4 feet subsiding to 1 foot or less. 
.sunday...east winds 5 to 15 knots becoming northeast. a chance
of snow showers. waves 2 feet or less. 
.monday...northeast winds 15 to 20 knots becoming north. a chance
of snow showers during the day. waves 1 to 3 feet building to
2 to 4 feet. 

$$

fzus61 kbuf 191502
glflo 
expires:202602192200;;904546

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est thu feb 19 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 29.3 inch low will develop over the central plains 
today, then move to the central great lakes by friday, weakening to 
29.7 inches as it moves just north of lake ontario saturday. a 30.4 
inch high will then slowly build east across the great lakes through 
early next week.


loz062-063-192200-
lake ontario open waters from the niagara river to sodus bay-
1002 am est thu feb 19 2026

.this afternoon...east winds 15 to 20 knots. waves 3 to 6 feet. 
.tonight...east winds 15 to 25 knots. a chance of rain late.
waves 3 to 6 feet. 
.friday...east winds 15 to 25 knots. rain. waves 5 to 8 feet.
waves occasionally around 10 feet. 
.friday night...southwest winds 15 to 20 knots becoming north.
rain with snow likely. waves 3 to 6 feet. 
.saturday...northeast winds 15 to 20 knots becoming east 10 to
15 knots. a chance of snow showers. waves 2 to 4 feet subsiding
to 1 to 3 feet. 
.sunday...east winds 10 to 15 knots becoming northeast. a chance
of snow showers. waves 1 to 3 feet building to 2 to 4 feet. 
.monday...northeast winds 15 to 20 knots becoming northwest. a
chance of snow showers during the day. waves 2 to 4 feet building
to 3 to 5 feet, then subsiding to 2 to 4 feet. 

$$

fzus61 kcle 191456
glfle 
expires:202602192200;;904066

open lake forecast for lake erie
national weather service cleveland oh
956 am est thu feb 19 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 stationary front will drift south of lake erie today with a trough
of low pressure at 29.60 inches across the upper midwest. low
pressure of 29.40 inches will enter the ohio valley tonight and move
across lake michigan overnight. this will push the stationary front
eastward across the region overnight, with a cold front moving through 
quickly behind tomorrow morning. this low will move across lake huron
friday night, becoming stationary and weakening to 29.80 inches over 
lake erie saturday. this low will dissipate into a trough and remain 
across the lake through monday, as a cold front drops south out of 
canada and through the great lakes through tuesday.


lez162-163-192200-
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-
956 am est thu feb 19 2026

...dense fog advisory in effect until noon est today...

.rest of today...east winds 10 to 15 knots. patchy dense fog late
this morning. a chance of rain late this morning, then rain
likely with a slight chance of thunderstorms early this
afternoon. rain likely late. the lake is mostly ice covered.
.tonight...east winds 10 to 15 knots becoming southeast. a chance
of rain in the evening, then rain after midnight. a chance of
rain late. 
.friday...south winds 15 to 25 knots becoming southwest to
30 knots. a chance of rain. 
.friday night...west winds 15 to 25 knots. 
.saturday...west winds 5 to 15 knots. a chance of snow saturday
night. 
.sunday...northwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of snow. 
.monday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. 

winds and waves higher in and near thunderstorms.

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 191456
glfle 
expires:202602192200;;904067

open lake forecast for lake erie
national weather service cleveland oh
956 am est thu feb 19 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 stationary front will drift south of lake erie today with a trough
of low pressure at 29.60 inches across the upper midwest. low
pressure of 29.40 inches will enter the ohio valley tonight and move
across lake michigan overnight. this will push the stationary front
eastward across the region overnight, with a cold front moving through 
quickly behind tomorrow morning. this low will move across lake huron
friday night, becoming stationary and weakening to 29.80 inches over 
lake erie saturday. this low will dissipate into a trough and remain 
across the lake through monday, as a cold front drops south out of 
canada and through the great lakes through tuesday.


lez164-165-192200-
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-
956 am est thu feb 19 2026

...dense fog advisory in effect until noon est today...

.rest of today...east winds 10 to 15 knots. patchy fog late this
morning. a slight chance of rain late this morning, then a chance
of rain with a slight chance of thunderstorms this afternoon.
waves in ice free areas 1 foot or less. 
.tonight...east winds 10 to 15 knots becoming southeast. a slight
chance of rain early, then a chance of rain late in the evening.
rain after midnight. waves 2 feet or less. 
.friday...south winds 15 to 20 knots becoming southwest and
increasing to 30 knots. a chance of rain. waves 2 feet or less
building to 3 to 5 feet. 
.friday night...west winds to 30 knots diminishing to 15 to
20 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...west winds 5 to 15 knots. a chance of snow saturday
night. waves 1 to 3 feet subsiding to 1 foot or less. 
.sunday...west winds 10 to 15 knots becoming northwest 15 to
20 knots. snow likely during the day, then a chance of snow
sunday night. waves 1 to 3 feet building to 3 to 5 feet. 
.monday...northwest winds 15 to 25 knots. a chance of snow during
the day. waves 3 to 5 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

wave heights are for ice free areas.

$$

fzus61 kcle 191456
glfle 
expires:202602192200;;904068

open lake forecast for lake erie
national weather service cleveland oh
956 am est thu feb 19 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 stationary front will drift south of lake erie today with a trough
of low pressure at 29.60 inches across the upper midwest. low
pressure of 29.40 inches will enter the ohio valley tonight and move
across lake michigan overnight. this will push the stationary front
eastward across the region overnight, with a cold front moving through 
quickly behind tomorrow morning. this low will move across lake huron
friday night, becoming stationary and weakening to 29.80 inches over 
lake erie saturday. this low will dissipate into a trough and remain 
across the lake through monday, as a cold front drops south out of 
canada and through the great lakes through tuesday.


lez061-166>169-192200-
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-
956 am est thu feb 19 2026

...dense fog advisory in effect until noon est today...

.rest of today...east winds 10 to 15 knots. areas of dense fog
late this morning. a slight chance of rain early this afternoon.
a chance of rain late. the lake is mostly ice covered.
.tonight...east winds 10 to 15 knots becoming southeast. a slight
chance of rain in the evening, then rain after midnight. 
.friday...southeast winds 15 to 20 knots becoming southwest and
increasing to 30 knots. rain likely in the morning, then a chance
of rain in the afternoon. 
.friday night...southwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. a chance of snow in the evening. 
.saturday...west winds 5 to 15 knots. a chance of snow saturday
night. 
.sunday...north winds 10 to 15 knots becoming northwest 15 to
20 knots. snow likely during the day, then a chance of snow
sunday night. 
.monday...north winds 15 to 25 knots becoming northwest. 

winds and waves higher in and near thunderstorms.

waves omitted due to the lake being mostly ice covered.

$$

fzus63 kdtx 191651
glfsc 
expires:202602200100;;908419

lake st clair forecast
national weather service detroit/pontiac mi
1151 am est thu feb 19 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...a stalled frontal boundary over the region maintains
areas of dense marine fog this morning which may dissipate for
much of the area today as rain moves in and easterly wind
increases. a low pressure system over the central plains tracks
into the great lakes tonight and friday, with potential for
easterly gales over northern lake huron on friday.


lcz460-200100-
lake st clair-
1151 am est thu feb 19 2026

...dense fog advisory in effect until 4 pm est this afternoon...

.rest of today...east winds 10 to 15 knots. cloudy. dense fog in 
the afternoon. scattered light showers.
.tonight...east winds 10 to 15 knots. cloudy. patchy dense fog early
in the evening. scattered light showers in the evening... then
numerous light showers after midnight.
.friday...southeast winds 15 to 20 knots becoming southwest 20 to 25
knots with gusts to 30 knots in the late morning and afternoon.
mostly cloudy. light rain likely early in the morning...then a
chance of light rain in the late morning and afternoon. a chance of
light snow early in the afternoon.
.friday night...west winds 20 to 25 knots with gusts to 30 knots
diminishing to 15 to 20 knots after midnight. mostly cloudy.
.saturday...west winds 10 to 15 knots diminishing to 5 to 10 knots
in the evening. mostly cloudy.
.sunday...northwest winds 10 to 15 knots. mostly cloudy with light
snow likely.
.monday...north winds 15 to 20 knots. mostly cloudy.

waves omitted due to ice coverage.

$$

fzus63 kdtx 191650
glflh 
expires:202602200100;;908415

open lake forecast for lake huron
national weather service detroit/pontiac mi
1150 am est thu feb 19 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...a stalled frontal boundary over the region maintains
areas of dense marine fog this morning which may dissipate for
much of the area today as rain moves in and easterly wind
increases. a low pressure system over the central plains tracks
into the great lakes tonight and friday, with potential for
easterly gales over northern lake huron on friday.


lhz363-462>464-200100-
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-
1150 am est thu feb 19 2026

...dense fog advisory in effect until 4 pm est this afternoon...

.rest of today...southeast winds 10 to 15 knots. a chance of
freezing rain in the afternoon. dense fog in the afternoon. 
.tonight...east winds 10 to 15 knots increasing to 15 to 20 knots
after midnight. a chance of freezing rain in the evening...then
scattered showers after midnight. 
.friday...east winds 20 to 25 knots decreasing to 15 to 20 knots
with gusts to around 30 knots in the late morning and early
afternoon...then becoming southeast 10 to 15 knots early in the
afternoon. rain in the morning...then a chance of rain and snow
in the afternoon. 
.friday night...south winds 10 to 15 knots veering to the
southwest in the late evening and overnight. a chance of rain and
snow in the evening. 
.saturday...west winds 10 to 15 knots becoming 5 to 10 knots late
in the afternoon. a chance of snow late in the evening. 
.sunday...north winds 10 to 15 knots increasing to 15 to 20 knots
. a chance of snow. 
.monday...north winds 15 to 20 knots increasing to 20 to 25 knots
in the late morning and early afternoon...then becoming northwest
15 to 20 knots . 

waves omitted due to ice coverage.

$$

fzus63 kdtx 191650
glflh 
expires:202602200100;;908414

open lake forecast for lake huron
national weather service detroit/pontiac mi
1150 am est thu feb 19 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...a stalled frontal boundary over the region maintains
areas of dense marine fog this morning which may dissipate for
much of the area today as rain moves in and easterly wind
increases. a low pressure system over the central plains tracks
into the great lakes tonight and friday, with potential for
easterly gales over northern lake huron on friday.


lhz361-362-200100-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
1150 am est thu feb 19 2026

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

.rest of today...southeast winds 15 to 20 knots. waves 6 to
9 feet. waves occasionally around 12 feet. 
.tonight...east winds 15 to 20 knots increasing to 20 to 25 knots
with gusts to around 30 knots in the late evening and overnight.
scattered showers after midnight. waves 8 to 12 feet building to
10 to 14 feet early in the morning. waves occasionally around
18 feet. 
.friday...east winds to 30 knots decreasing to 20 to 25 knots
early in the afternoon. gusts to 35 knot gales. rain in the
morning...then snow with rain likely in the afternoon. waves
10 to 14 feet. waves occasionally around 18 feet. 
.friday night...northeast winds 15 to 20 knots backing to the
north after midnight. a chance of rain and snow in the evening...
then a chance of snow after midnight. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.saturday...north winds 15 to 20 knots becoming northeast 10 to
15 knots. a chance of snow. waves 4 to 6 feet. waves occasionally
around 8 feet. 
.sunday...northeast winds 10 to 15 knots becoming north 15 to
20 knots . waves 3 to 5 feet building to 5 to 7 feet by midnight.
waves occasionally around 10 feet. 
.monday...north winds 20 to 25 knots decreasing to 10 to
15 knots. waves 6 to 9 feet. waves occasionally around 12 feet. 

wave heights are for ice free areas.

$$

fzus63 kmkx 191438
glflm 
expires:202602192215;;903555

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
838 am cst thu feb 19 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...

light southerly winds will gradually transition to east to
northeast through the day today, while slowly increasing this
afternoon as well. winds will increase tonight into friday night 
as a strong low pressure system around 29.2 inches tracks from 
west-central illinois into southeast wisconsin. that low will 
cross central lake michigan friday morning and gradually weaken 
through saturday as it pulls away to the east. gale force gusts 
look likely across the southern half of the lake friday morning 
into friday afternoon as the low moves through. breezy northwest 
winds are expected saturday, with stronger winds again likely 
sunday into monday.


lmz261-362-364-366-563-565-567-868-192215-
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-
838 am cst thu feb 19 2026

sheboygan wi to pentwater mi north...

.rest of today...south winds 15 to 25 kt backing to northeast
10 to 20 kt. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.tonight...northeast winds 15 to 25 kt becoming east to 30 kt.
chance of rain in the evening, then rain with freezing rain
likely overnight. waves 3 to 5 ft building to 4 to 6 ft
occasionally to 8 ft. 
.friday...east gales to 35 kt backing to north to 30 kt. rain,
snow and freezing rain in the morning, then chance of rain, snow
and light freezing rain likely in the afternoon. waves 5 to 8 ft
occasionally to 10 ft. 
.friday night...north winds 15 to 25 kt diminishing to 10 to
20 kt. chance of snow in the evening. waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.saturday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
chance of snow in the afternoon. waves 3 to 5 ft subsiding to
2 to 4 ft. 
.saturday night...north winds 10 to 20 kt increasing to 15 to
25 kt. chance of snow. waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft. 
.sunday...north winds 15 to 25 kt. waves 6 to 9 ft occasionally
to 12 ft. 
.monday...north winds to 30 kt diminishing to 15 to 25 kt. waves
8 to 12 ft occasionally to 16 ft subsiding to 8 to 11 ft
occasionally to 14 ft.  

$$

fzus63 kmkx 191438
glflm 
expires:202602192215;;903556

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
838 am cst thu feb 19 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...

light southerly winds will gradually transition to east to
northeast through the day today, while slowly increasing this
afternoon as well. winds will increase tonight into friday night 
as a strong low pressure system around 29.2 inches tracks from 
west-central illinois into southeast wisconsin. that low will 
cross central lake michigan friday morning and gradually weaken 
through saturday as it pulls away to the east. gale force gusts 
look likely across the southern half of the lake friday morning 
into friday afternoon as the low moves through. breezy northwest 
winds are expected saturday, with stronger winds again likely 
sunday into monday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-192215-
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-
838 am cst thu feb 19 2026

sheboygan wi to pentwater mi south...

...gale watch in effect from friday morning through friday
afternoon...

.rest of today...southeast winds 5 to 10 kt becoming northeast
10 to 15 kt. chance of rain showers this afternoon. waves 1 to
3 ft. 
.tonight...northeast winds 10 to 20 kt becoming east late in the
evening, then increasing to 15 to 25 kt after midnight becoming
south to 30 kt late. rain and slight chance of thunderstorms in
the evening, then chance of rain and slight chance of
thunderstorms overnight. waves 3 to 5 ft. 
.friday...west gales to 35 kt. rain and snow likely in the
morning. waves 6 to 9 ft occasionally to 12 ft building to 10 to
14 ft occasionally to 18 ft. 
.friday night...west winds to 30 kt diminishing to 15 to 25 kt.
waves 8 to 11 ft occasionally to 14 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.saturday...northwest winds 10 to 20 kt. waves 4 to 7 ft
occasionally to 9 ft subsiding to 3 to 5 ft. 
.saturday night...northwest winds 10 to 20 kt increasing to 15 to
25 kt. chance of snow. waves 3 to 5 ft building to 4 to 7 ft
occasionally to 9 ft. 
.sunday...northwest winds to 30 kt. chance of snow. waves 6 to
9 ft occasionally to 12 ft building to 8 to 11 ft occasionally to
14 ft. 
.monday...north winds to 30 kt. waves 12 to 16 ft occasionally to
21 ft.  

$$

fzus63 kmqt 191501
glfls 
expires:202602192100;;904375

open lake forecast for lake superior
national weather service marquette mi
1000 am est thu feb 19 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...

29.6 inch low over lake superior this morning weakens to 29.7 inches 
by this evening as a 29.4 inch low over the central plains deepens 
to 29.1 inches before arriving over the western great lakes friday 
morning. troughing increases to 29.6 inches over lake superior on 
friday morning as the low moves through northern lower michigan, 
before the low lifts towards ontario and weakens to 29.5 inches by 
friday evening. remnant troughing over lake superior weakens to 30.0 
inches by saturday morning as ridging builds over the northern 
plains. pressure continues to rise over lake superior saturday 
through monday as the ridging over the northern plains continues to 
push eastwards with time, eventually peaking at 30.5 inches over the 
lake late monday. behind the ridging, a deepening 29.6 inch clipper 
low moves into the northern plains on tuesday.



lsz265-192100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am est thu feb 19 2026

.rest of today...southeast winds 20 to 30 knots diminishing to
15 to 25 knots. a slight chance of snow showers. waves 5 to
8 feet occasionally to 10 feet subsiding to 2 to 4 feet. 
.tonight...southeast winds 15 to 25 knots backing northeast late.
a chance of snow. waves subsiding to 1 to 3 feet, then building
to 3 to 6 feet occasionally to 8 feet. 
.friday...northeast winds 20 to 30 knots backing north by mid
afternoon. snow. waves building to 4 to 8 feet occasionally to
10 feet. 
.friday night...north winds 15 to 25 knots. a chance of snow
showers. waves subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...north winds 15 to 25 knots. a chance of snow showers.
waves subsiding to 2 to 4 feet. 
.saturday night...north winds 10 to 20 knots increasing to 15 to
25 knots after midnight. waves subsiding to 1 to 3 feet, then
building to 2 to 4 feet. 
.sunday...north winds 20 to 30 knots increasing to gales to
35 knots. waves building to 8 to 11 feet occasionally to 14 feet.
.monday...north winds 20 to 30 knots becoming southwest 10 to
20 knots. waves subsiding to calm to 2 feet, then building to
2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 191501
glfls 
expires:202602192100;;904376

open lake forecast for lake superior
national weather service marquette mi
1000 am est thu feb 19 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...

29.6 inch low over lake superior this morning weakens to 29.7 inches 
by this evening as a 29.4 inch low over the central plains deepens 
to 29.1 inches before arriving over the western great lakes friday 
morning. troughing increases to 29.6 inches over lake superior on 
friday morning as the low moves through northern lower michigan, 
before the low lifts towards ontario and weakens to 29.5 inches by 
friday evening. remnant troughing over lake superior weakens to 30.0 
inches by saturday morning as ridging builds over the northern 
plains. pressure continues to rise over lake superior saturday 
through monday as the ridging over the northern plains continues to 
push eastwards with time, eventually peaking at 30.5 inches over the 
lake late monday. behind the ridging, a deepening 29.6 inch clipper 
low moves into the northern plains on tuesday.



lsz266-192100-
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 am est thu feb 19 2026

...gale warning in effect until 1 pm est this afternoon...

.rest of today...southeast gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. a chance of snow showers. waves 10 to
14 feet occasionally to 18 feet subsiding to 4 to 7 feet
occasionally to 9 feet. 
.tonight...southeast winds 20 to 30 knots backing east by
midnight. a chance of snow. a chance of rain and freezing rain
after midnight. waves subsiding to 3 to 6 feet occasionally to
8 feet, then building to 4 to 7 feet occasionally to 9 feet. 
.friday...east gales to 35 knots becoming northeast 20 to
30 knots by mid afternoon. snow likely. waves building to 6 to
9 feet occasionally to 11 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet. 
.friday night...northeast winds 20 to 30 knots becoming east
15 to 25 knots after midnight. a chance of snow showers. waves
subsiding to 3 to 6 feet occasionally to 8 feet. 
.saturday...east winds 15 to 25 knots backing northeast in the
afternoon. a chance of snow showers. waves subsiding to 2 to
4 feet. 
.saturday night...northeast winds 15 to 25 knots backing north
after midnight. a chance of snow showers. waves 2 to 4 feet. 
.sunday...north winds 20 to 30 knots increasing to gales to
35 knots. freezing spray. waves building to 9 to 12 feet
occasionally to 15 feet. 
.monday...north winds 20 to 30 knots diminishing to 10 to
20 knots. heavy freezing spray. waves subsiding to 2 to 4 feet,
then building to 3 to 6 feet occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 191501
glfls 
expires:202602192100;;904377

open lake forecast for lake superior
national weather service marquette mi
1000 am est thu feb 19 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...

29.6 inch low over lake superior this morning weakens to 29.7 inches 
by this evening as a 29.4 inch low over the central plains deepens 
to 29.1 inches before arriving over the western great lakes friday 
morning. troughing increases to 29.6 inches over lake superior on 
friday morning as the low moves through northern lower michigan, 
before the low lifts towards ontario and weakens to 29.5 inches by 
friday evening. remnant troughing over lake superior weakens to 30.0 
inches by saturday morning as ridging builds over the northern 
plains. pressure continues to rise over lake superior saturday 
through monday as the ridging over the northern plains continues to 
push eastwards with time, eventually peaking at 30.5 inches over the 
lake late monday. behind the ridging, a deepening 29.6 inch clipper 
low moves into the northern plains on tuesday.



lsz267-192100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am est thu feb 19 2026

...gale warning in effect until 1 pm est this afternoon...

.rest of today...southeast gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. waves 6 to 9 feet occasionally to
11 feet subsiding to 3 to 5 feet occasionally to 7 feet. 
.tonight...southeast winds 20 to 30 knots backing east by
midnight, then increasing to gales to 35 knots late. a chance of
rain and freezing rain. a chance of snow, possibly mixed with
sleet after midnight. waves building to 3 to 6 feet occasionally
to 8 feet. 
.friday...east gales to 35 knots diminishing to 20 to 30 knots by
late morning, then backing northeast by mid afternoon. rain and
freezing rain likely in the morning. snow likely. a slight chance
of rain in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.friday night...northeast winds 15 to 25 knots veering east after
midnight. a chance of snow showers. waves subsiding to 2 to
4 feet. 
.saturday...east winds 10 to 20 knots backing northeast in the
afternoon. a chance of snow showers. waves subsiding to calm to
2 feet. 
.saturday night...northeast winds 10 to 20 knots. waves building
to 1 to 3 feet, then subsiding to calm to 2 feet. 
.sunday...north winds 15 to 25 knots increasing to 20 to
30 knots. freezing spray. waves building to 5 to 8 feet
occasionally to 10 feet. 
.monday...north winds 15 to 25 knots diminishing to 10 to
20 knots. heavy freezing spray. waves subsiding to 2 to 4 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 191501
glfls 
expires:202602192100;;904374

open lake forecast for lake superior
national weather service marquette mi
1000 am est thu feb 19 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...

29.6 inch low over lake superior this morning weakens to 29.7 inches 
by this evening as a 29.4 inch low over the central plains deepens 
to 29.1 inches before arriving over the western great lakes friday 
morning. troughing increases to 29.6 inches over lake superior on 
friday morning as the low moves through northern lower michigan, 
before the low lifts towards ontario and weakens to 29.5 inches by 
friday evening. remnant troughing over lake superior weakens to 30.0 
inches by saturday morning as ridging builds over the northern 
plains. pressure continues to rise over lake superior saturday 
through monday as the ridging over the northern plains continues to 
push eastwards with time, eventually peaking at 30.5 inches over the 
lake late monday. behind the ridging, a deepening 29.6 inch clipper 
low moves into the northern plains on tuesday.



lsz264-192100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am est thu feb 19 2026

...gale warning in effect until 1 pm est this afternoon...

.rest of today...east gales to 35 knots veering southeast by late
morning, then diminishing to 20 to 30 knots by mid afternoon. a
chance of snow showers. waves 11 to 15 feet occasionally to
19 feet subsiding to 7 to 10 feet occasionally to 13 feet. 
.tonight...southeast winds 15 to 25 knots backing east by
midnight. a chance of snow. a slight chance of rain after
midnight. waves subsiding to 3 to 6 feet occasionally to 8 feet,
then building to 6 to 9 feet occasionally to 11 feet. 
.friday...northeast winds 20 to 30 knots diminishing to 15 to
25 knots by late morning, then backing north by mid afternoon.
snow likely in the morning, then a chance of snow in the
afternoon. freezing spray in the afternoon. waves building to
7 to 10 feet occasionally to 13 feet, then subsiding to 4 to
7 feet occasionally to 9 feet. 
.friday night...northeast winds 10 to 20 knots. a chance of snow
showers. freezing spray after midnight. waves subsiding to 3 to
5 feet occasionally to 7 feet. 
.saturday...northeast winds 10 to 20 knots becoming north 5 to
15 knots in the afternoon. a slight chance of snow showers. waves
subsiding to 2 to 4 feet. 
.saturday night...north winds 5 to 15 knots increasing to 10 to
20 knots after midnight. freezing spray after midnight. waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.sunday...north winds 20 to 30 knots. heavy freezing spray. waves
building to 6 to 10 feet occasionally to 13 feet. 
.monday...north winds 20 to 30 knots diminishing to 10 to
20 knots. heavy freezing spray. waves subsiding to calm to
2 feet, then building to 3 to 6 feet occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 191501
glfls 
expires:202602192100;;904373

open lake forecast for lake superior
national weather service marquette mi
1000 am est thu feb 19 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...

29.6 inch low over lake superior this morning weakens to 29.7 inches 
by this evening as a 29.4 inch low over the central plains deepens 
to 29.1 inches before arriving over the western great lakes friday 
morning. troughing increases to 29.6 inches over lake superior on 
friday morning as the low moves through northern lower michigan, 
before the low lifts towards ontario and weakens to 29.5 inches by 
friday evening. remnant troughing over lake superior weakens to 30.0 
inches by saturday morning as ridging builds over the northern 
plains. pressure continues to rise over lake superior saturday 
through monday as the ridging over the northern plains continues to 
push eastwards with time, eventually peaking at 30.5 inches over the 
lake late monday. behind the ridging, a deepening 29.6 inch clipper 
low moves into the northern plains on tuesday.



lsz263-192100-
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 am est thu feb 19 2026

.rest of today...east winds to 30 knots with a few gale force
gusts to 35 knots possible becoming northeast 20 to 30 knots by
mid afternoon. a chance of snow showers. waves 10 to 14 feet
occasionally to 18 feet subsiding to 6 to 9 feet occasionally to
11 feet. 
.tonight...northeast winds 15 to 25 knots backing north late. a
chance of snow. waves subsiding to 3 to 6 feet occasionally to
8 feet, then building to 4 to 7 feet occasionally to 9 feet. 
.friday...north winds 15 to 25 knots. snow likely in the morning,
then a chance of snow in the afternoon. waves building to 6 to
9 feet occasionally to 11 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet. 
.friday night...north winds 10 to 20 knots. a chance of snow
showers. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday...north winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. a chance of snow showers. waves
subsiding to 2 to 4 feet. 
.saturday night...north winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves subsiding to 1 to 3 feet, then
building to 2 to 4 feet. 
.sunday...north winds 20 to 30 knots. waves building to 5 to
8 feet occasionally to 10 feet. 
.monday...north winds 15 to 25 knots becoming south 10 to
20 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 191501
glfls 
expires:202602192100;;904372

open lake forecast for lake superior
national weather service marquette mi
1000 am est thu feb 19 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...

29.6 inch low over lake superior this morning weakens to 29.7 inches 
by this evening as a 29.4 inch low over the central plains deepens 
to 29.1 inches before arriving over the western great lakes friday 
morning. troughing increases to 29.6 inches over lake superior on 
friday morning as the low moves through northern lower michigan, 
before the low lifts towards ontario and weakens to 29.5 inches by 
friday evening. remnant troughing over lake superior weakens to 30.0 
inches by saturday morning as ridging builds over the northern 
plains. pressure continues to rise over lake superior saturday 
through monday as the ridging over the northern plains continues to 
push eastwards with time, eventually peaking at 30.5 inches over the 
lake late monday. behind the ridging, a deepening 29.6 inch clipper 
low moves into the northern plains on tuesday.



lsz162-192100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est thu feb 19 2026 /900 am cst thu feb 19 2026/

.rest of today...northeast winds 20 to 30 knots diminishing to
15 to 25 knots by mid afternoon. a chance of snow showers. waves
6 to 9 feet occasionally to 11 feet subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tonight...northeast winds 15 to 25 knots becoming north 10 to
20 knots by midnight. a chance of snow. waves subsiding to 2 to
4 feet. 
.friday...north winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. a chance of snow. waves building to
3 to 6 feet occasionally to 8 feet. 
.friday night...north winds 10 to 20 knots. a chance of snow
showers. waves subsiding to 1 to 3 feet. 
.saturday...north winds 10 to 20 knots. a chance of snow showers.
waves 1 to 3 feet. 
.saturday night...north winds 10 to 20 knots backing northwest
after midnight. waves subsiding to calm to 2 feet. 
.sunday...north winds 15 to 25 knots. waves building to 2 to
4 feet, then subsiding to 1 to 3 feet. 
.monday...north winds 5 to 15 knots veering south. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$