fzus61 kbuf 262009
glflo 
expires:202603270300;;339717

open lake forecast for lake ontario
national weather service buffalo ny
409 pm edt thu mar 26 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 29.6 inch low will move east across quebec tonight 
before reaching the canadian maritimes by friday morning while 
deepening to 29.4 inches. a trailing cold front will move south 
across the lake this evening. a strong 30.6 inch high will 
then build from the northern plains friday afternoon to the ohio 
valley saturday afternoon and then off the mid atlantic coast 
sunday. a 30.0 inch trough will sag southward across eastern canada 
monday, then move across the eastern great lakes monday night.


loz062-270300-
lake ontario open waters from the niagara river to hamlin beach-
409 pm edt thu mar 26 2026

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

$$

fzus61 kbuf 262009
glflo 
expires:202603270300;;339719

open lake forecast for lake ontario
national weather service buffalo ny
409 pm edt thu mar 26 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 29.6 inch low will move east across quebec tonight 
before reaching the canadian maritimes by friday morning while 
deepening to 29.4 inches. a trailing cold front will move south 
across the lake this evening. a strong 30.6 inch high will 
then build from the northern plains friday afternoon to the ohio 
valley saturday afternoon and then off the mid atlantic coast 
sunday. a 30.0 inch trough will sag southward across eastern canada 
monday, then move across the eastern great lakes monday night.


loz065-270300-
lake ontario open waters from mexico bay to the saint lawrence
river-
409 pm edt thu mar 26 2026

.tonight...northeast winds 10 knots or less becoming north and
increasing to 15 to 25 knots after midnight. rain this evening,
then a chance of rain and snow showers after midnight. waves 1 to
3 feet building to 3 to 5 feet. 
.friday...north winds 15 to 25 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.friday night...north winds 10 to 15 knots. waves 2 feet or less.
.saturday...north winds 5 to 15 knots becoming west 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet. 
.saturday night...west winds 15 to 20 knots becoming southwest
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...south winds 5 to 15 knots. waves 2 to 4 feet subsiding
to 1 to 3 feet. 
.monday...south winds 10 to 15 knots becoming northeast 15 to
20 knots. a chance of rain showers monday night. waves 1 to
3 feet. 
.tuesday...northeast winds 15 to 25 knots becoming east. a chance
of rain showers during the day, then rain showers likely tuesday
night. waves 1 to 3 feet building to 3 to 5 feet. 

$$

fzus61 kbuf 262009
glflo 
expires:202603270300;;339718

open lake forecast for lake ontario
national weather service buffalo ny
409 pm edt thu mar 26 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 29.6 inch low will move east across quebec tonight 
before reaching the canadian maritimes by friday morning while 
deepening to 29.4 inches. a trailing cold front will move south 
across the lake this evening. a strong 30.6 inch high will 
then build from the northern plains friday afternoon to the ohio 
valley saturday afternoon and then off the mid atlantic coast 
sunday. a 30.0 inch trough will sag southward across eastern canada 
monday, then move across the eastern great lakes monday night.


loz063-064-270300-
lake ontario open waters from hamlin beach to mexico bay-
409 pm edt thu mar 26 2026

.tonight...northeast winds less than 10 knots becoming north and
increasing to 15 to 25 knots after midnight. rain this evening,
then a chance of rain and snow showers after midnight. waves 1 to
2 feet building to 3 to 6 feet. 
.friday...north winds 15 to 25 knots diminishing to 10 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.friday night...northwest winds 5 to 15 knots becoming north.
waves 1 to 3 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of snow showers. waves 1 to 3 feet building to
3 to 5 feet. 
.saturday night...west winds 15 to 20 knots becoming southwest
10 to 15 knots. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...southwest winds 10 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots becoming northeast 15 to
20 knots. a chance of rain showers monday night. waves 1 to
3 feet building to 2 to 4 feet. 
.tuesday...northeast winds 15 to 25 knots becoming east. a chance
of rain showers during the day, then rain showers likely tuesday
night. waves 3 to 6 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 

$$

fzus61 kcle 261940
glfle 
expires:202603270215;;338765

open lake forecast for lake erie
national weather service cleveland oh
340 pm edt thu mar 26 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 strong cold front will sweep southward across lake erie this
afternoon into the evening. a ridge averaging 30.50 inches will
build in across the region and move eastward off the east coast
through this weekend. as the ridge exits to the east on monday, a
cold front will waver across the region and influence lake erie
through early next week. 


lez162>164-270215-
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-
340 pm edt thu mar 26 2026

.tonight...north winds 15 to 20 knots. rain showers with a chance
of thunderstorms this evening, then rain showers with a slight
chance of snow showers after midnight. some thunderstorms may be
severe with damaging winds this evening. waves 1 to 3 feet
building to 3 to 5 feet. 
.friday...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.friday night...north winds 5 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.saturday...northwest winds 5 to 10 knots becoming southwest.
waves 1 foot or less. 
.saturday night...southwest winds 5 to 15 knots becoming south.
waves 1 to 2 feet. 
.sunday...southwest winds 10 to 15 knots. waves 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots becoming southeast 15 to
20 knots. a chance of rain and thunderstorms monday night. waves
2 to 4 feet building to 3 to 5 feet. 
.tuesday...south winds 15 to 25 knots becoming southwest. rain
likely. waves 3 to 5 feet subsiding to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 261940
glfle 
expires:202603270215;;338766

open lake forecast for lake erie
national weather service cleveland oh
340 pm edt thu mar 26 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 strong cold front will sweep southward across lake erie this
afternoon into the evening. a ridge averaging 30.50 inches will
build in across the region and move eastward off the east coast
through this weekend. as the ridge exits to the east on monday, a
cold front will waver across the region and influence lake erie
through early next week. 


lez165>167-270215-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-
340 pm edt thu mar 26 2026

.tonight...north winds 10 to 15 knots increasing to 15 to
20 knots. rain showers with a chance of thunderstorms this
evening, then rain showers likely with a slight chance of snow
showers after midnight. some thunderstorms may be severe with
damaging winds. waves 1 to 3 feet building to 3 to 5 feet. 
.friday...northeast winds 15 to 20 knots becoming north 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.friday night...north winds 5 to 15 knots becoming northwest.
waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to
2 feet. 
.saturday...northwest winds 5 to 10 knots becoming west. waves
1 to 2 feet. 
.saturday night...southwest winds 5 to 15 knots becoming south.
waves 1 to 3 feet. 
.sunday...south winds 15 to 20 knots becoming southwest. waves
1 to 3 feet building to 3 to 5 feet. 
.monday...southwest winds 15 to 20 knots becoming southeast. a
chance of rain during the day, then a chance of rain and
thunderstorms monday night. waves 3 to 6 feet subsiding to 3 to
5 feet. 
.tuesday...southeast winds 15 to 25 knots becoming southwest.
rain likely. waves 3 to 6 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kcle 261940
glfle 
expires:202603270215;;338767

open lake forecast for lake erie
national weather service cleveland oh
340 pm edt thu mar 26 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 strong cold front will sweep southward across lake erie this
afternoon into the evening. a ridge averaging 30.50 inches will
build in across the region and move eastward off the east coast
through this weekend. as the ridge exits to the east on monday, a
cold front will waver across the region and influence lake erie
through early next week. 


lez061-168-169-270215-
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-
340 pm edt thu mar 26 2026

.tonight...north winds 5 to 15 knots increasing to 15 to
20 knots. rain showers with a chance of thunderstorms early, then
rain showers. a chance of rain showers with a slight chance of
snow showers late. some thunderstorms may be severe with damaging
winds. waves 1 to 2 feet building to 2 to 4 feet. 
.friday...northeast winds 15 to 20 knots becoming north 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday night...north winds 5 to 10 knots becoming northwest.
waves 1 to 3 feet. 
.saturday...northwest winds 5 to 15 knots becoming west. waves
1 to 3 feet. 
.saturday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.sunday...south winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 
.monday...southwest winds 5 to 15 knots becoming east. a chance
of rain. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday...east winds 15 to 20 knots becoming southwest. rain
likely. waves 1 to 3 feet building to 2 to 4 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 261958
glfsc 
expires:202603270400;;339109

lake st clair forecast
national weather service detroit/pontiac mi
358 pm edt thu mar 26 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 cold front moves through the central great lakes
this evening with showers and thunderstorms developing ahead of
the boundary. northerly winds strengthen into friday as cold air
returns. becoming milder and breezy at times through the weekend,
and mainly dry.


lcz460-270400-
lake st clair-
358 pm edt thu mar 26 2026

.tonight...north winds 15 to 20 knots. rain and a chance of
thunderstorms early in the evening...then a chance of light rain
late in the evening. waves 1 to 3 feet.
.friday...north winds 15 to 20 knots diminishing to 10 to 15 knots
in the afternoon. mostly sunny. waves 1 to 3 feet.
.friday night...north winds 10 to 15 knots diminishing to 5 to 10
knots by midnight...then backing to the northwest after midnight.
mostly clear. waves 2 feet or less.
.saturday...northwest winds 5 to 10 knots becoming west 10 to 15
knots early in the afternoon. mostly sunny. waves 2 feet or less.
.saturday night...southwest winds 10 to 15 knots. partly cloudy
becoming mostly cloudy by midnight becoming partly cloudy. waves 2
feet or less.
.sunday...southwest winds 10 to 15 knots. partly cloudy. waves 2
feet or less.
.monday...northeast winds 10 to 15 knots. partly cloudy. a chance of
light rain. waves 2 feet or less.
.tuesday...south winds 15 to 20 knots. mostly cloudy with light rain
likely. waves 1 to 3 feet.

$$

fzus63 kdtx 261954
glflh 
expires:202603270400;;339029

open lake forecast for lake huron
national weather service detroit/pontiac mi
354 pm edt thu mar 26 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 cold front moves through the central great lakes
this evening with showers and thunderstorms developing ahead of
the boundary. northerly winds strengthen into friday as cold air
returns. becoming milder and breezy at times through the weekend,
and mainly dry.


lhz361-270400-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
354 pm edt thu mar 26 2026

.tonight...north winds 15 to 20 knots decreasing to 10 to
15 knots early in the morning. waves 3 to 5 feet. 
.friday...north winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
northwest late in the afternoon. waves 2 to 4 feet subsiding to
1 to 3 feet in the late morning and afternoon. 
.friday night...west winds 5 to 10 knots becoming northwest 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet
building to 2 to 4 feet after midnight. 
.saturday...west winds 10 to 15 knots increasing to 15 to
20 knots in the late morning and afternoon. waves 2 to 4 feet
building to 3 to 5 feet in the late morning and afternoon. 
.saturday night...southwest winds 10 to 15 knots backing to the
south after midnight. waves 2 to 4 feet subsiding to 1 to 3 feet
in the late evening and overnight. 
.sunday...south winds 10 to 15 knots becoming southwest 5 to
10 knots. waves 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots veering to the north by
midnight. a chance of . waves 1 to 3 feet. 
.tuesday...east winds 15 to 20 knots increasing to 20 to 25 knots
by midnight. a chance of snow early in the morning. a chance of
rain until afternoon...then rain likely . waves 5 to 7 feet
building to 8 to 12 feet by midnight. waves occasionally around
15 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 261954
glflh 
expires:202603270400;;339030

open lake forecast for lake huron
national weather service detroit/pontiac mi
354 pm edt thu mar 26 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 cold front moves through the central great lakes
this evening with showers and thunderstorms developing ahead of
the boundary. northerly winds strengthen into friday as cold air
returns. becoming milder and breezy at times through the weekend,
and mainly dry.


lhz362-363-270400-
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-
354 pm edt thu mar 26 2026

.tonight...north winds 15 to 20 knots increasing to 20 to
25 knots in the late evening and overnight. a chance of rain in
the evening. freezing spray after midnight. waves 2 to 4 feet
building to 6 to 9 feet in the late evening and overnight. waves
occasionally around 12 feet. 
.friday...north winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and afternoon. waves 5 to 7 feet subsiding to
2 to 4 feet late in the afternoon. waves occasionally around
10 feet. 
.friday night...north winds 10 to 15 knots backing to the
northwest by midnight...then increasing to 15 to 20 knots after
midnight. waves 2 to 4 feet building to 3 to 5 feet in the late
evening and overnight. 
.saturday...west winds 15 to 20 knots becoming southwest 10 to
15 knots early in the afternoon. waves 3 to 5 feet. 
.saturday night...southwest winds 10 to 15 knots increasing to
15 to 20 knots after midnight. waves 3 to 5 feet. 
.sunday...south winds 15 to 20 knots becoming southwest 10 to
15 knots late in the morning...then backing to the south late in
the afternoon. waves 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots veering to the north . a
chance of. waves 2 to 4 feet building to 3 to 5 feet by midnight.
.tuesday...east winds 15 to 20 knots increasing to 20 to 25 knots
by midnight. a chance of rain...then rain likely by midnight.
waves 8 to 12 feet. waves occasionally around 15 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 261954
glflh 
expires:202603270400;;339031

open lake forecast for lake huron
national weather service detroit/pontiac mi
354 pm edt thu mar 26 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 cold front moves through the central great lakes
this evening with showers and thunderstorms developing ahead of
the boundary. northerly winds strengthen into friday as cold air
returns. becoming milder and breezy at times through the weekend,
and mainly dry.


lhz462>464-270400-
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-
354 pm edt thu mar 26 2026

.tonight...north winds 15 to 20 knots increasing to 20 to
25 knots with gusts to around 30 knots in the late evening and
overnight. a chance of rain in the evening. waves 2 to 4 feet
building to 6 to 9 feet in the late evening and overnight. waves
occasionally around 12 feet. 
.friday...north winds 15 to 20 knots decreasing to 10 to 15 knots
late in the afternoon. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.friday night...north winds 10 to 15 knots decreasing to 5 to
10 knots by midnight...then becoming west 10 to 15 knots after
midnight. waves 2 to 4 feet. 
.saturday...west winds 10 to 15 knots. waves 2 to 4 feet. 
.saturday night...southwest winds 10 to 15 knots. waves 2 to
4 feet. 
.sunday...south winds 15 to 20 knots decreasing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet late in the
afternoon. 
.monday...southwest winds 10 to 15 knots veering to the north . a
chance of. waves 1 to 3 feet building to 3 to 5 feet by midnight.
.tuesday...east winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain until afternoon...then rain likely .
waves 4 to 6 feet. waves occasionally around 8 feet. 


$$

fzus63 kmkx 261932
glflm 
expires:202603270315;;338455

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
232 pm cdt thu mar 26 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

high pressure of 30.7 inches will press from the canadian
prairies southward into the northern plains tonight into friday
morning as low pressure of 29.5 inches in illinois slides
eastward. this will bring gusty north winds to lake michigan. 
expecting widespread gales of 35 to 40 kt across the southern
two-thirds of the lake, with a few isolated gales to 35 kt
possible across the northern third. winds will gradually diminish
late tonight into friday morning as high pressure builds into the
northern plains and western portions of the upper midwest. high 
pressure will continue to slide southeastward on friday, with 
northwesterly winds developing as it passes to the south friday 
night. winds will gradually back to southerly into saturday 
afternoon as low pressure around 29.7 inches develops in the lee 
of the colorado rockies. winds then remain south-southwesterly 
through monday as ridging builds across the southeast u.s.


lmz261-362-364-563-270315-
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 rock island passage to sturgeon bay wi-
232 pm cdt thu mar 26 2026

sturgeon bay wi to point betsie mi north...

.tonight...north winds to 30 kt becoming northeast 15 to 25 kt.
freezing spray this evening. waves 6 to 9 ft occasionally to
12 ft. 
.friday...northeast winds 10 to 20 kt backing to west 10 to
15 kt. chance of snow showers in the afternoon. waves 3 to 5 ft
subsiding to 1 to 3 ft. 
.friday night...northwest winds 10 to 20 kt. waves 1 to 2 ft
building to 3 to 5 ft. 
.saturday...west winds 15 to 25 kt becoming southwest. waves 2 to
4 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...southwest winds 10 to 20 kt becoming south.
waves 4 to 7 ft occasionally to 9 ft. 
.sunday...south winds 10 to 20 kt. waves 4 to 6 ft occasionally
to 8 ft. 
.sunday night...south winds 10 to 20 kt becoming southwest 10 to
15 kt. waves 4 to 7 ft occasionally to 9 ft. 
.monday...north winds 10 to 20 kt becoming northeast 10 to 15 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.tuesday...east winds 15 to 25 kt. chance of rain and snow. waves
4 to 7 ft occasionally to 9 ft.  

$$

fzus63 kmkx 261932
glflm 
expires:202603270315;;338456

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
232 pm cdt thu mar 26 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

high pressure of 30.7 inches will press from the canadian
prairies southward into the northern plains tonight into friday
morning as low pressure of 29.5 inches in illinois slides
eastward. this will bring gusty north winds to lake michigan. 
expecting widespread gales of 35 to 40 kt across the southern
two-thirds of the lake, with a few isolated gales to 35 kt
possible across the northern third. winds will gradually diminish
late tonight into friday morning as high pressure builds into the
northern plains and western portions of the upper midwest. high 
pressure will continue to slide southeastward on friday, with 
northwesterly winds developing as it passes to the south friday 
night. winds will gradually back to southerly into saturday 
afternoon as low pressure around 29.7 inches develops in the lee 
of the colorado rockies. winds then remain south-southwesterly 
through monday as ridging builds across the southeast u.s.


lmz366-565-567-868-270315-
lake michigan from point betsie to manistee mi 5 nm offshore to
mid lake-
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-
232 pm cdt thu mar 26 2026

sturgeon bay wi to point betsie mi south to sheboygan wi to
pentwater mi...

...gale warning in effect through late tonight...

.tonight...north gales to 35 kt diminishing to 30 kt. waves 7 to
10 ft occasionally to 13 ft building to 8 to 12 ft occasionally
to 16 ft, then subsiding to 7 to 10 ft occasionally to 13 ft. 
.friday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
slight chance of snow showers in the afternoon. waves 5 to 8 ft
occasionally to 10 ft subsiding to 1 to 3 ft. 
.friday night...northwest winds 10 to 15 kt increasing to 10 to
20 kt. chance of snow showers. waves 1 to 2 ft building to 3 to
5 ft. 
.saturday...west winds 10 to 20 kt becoming southwest. waves 2 to
4 ft building to 4 to 6 ft occasionally to 8 ft. 
.saturday night...south winds 10 to 20 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.sunday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.sunday night...south winds 10 to 20 kt becoming southwest. waves
4 to 7 ft occasionally to 9 ft. 
.monday...north winds 10 to 20 kt becoming northeast. waves 4 to
7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.tuesday...east winds 15 to 25 kt. chance of rain. waves 6 to
9 ft occasionally to 12 ft.  

$$

fzus63 kmkx 261932
glflm 
expires:202603270315;;338457

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
232 pm cdt thu mar 26 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

high pressure of 30.7 inches will press from the canadian
prairies southward into the northern plains tonight into friday
morning as low pressure of 29.5 inches in illinois slides
eastward. this will bring gusty north winds to lake michigan. 
expecting widespread gales of 35 to 40 kt across the southern
two-thirds of the lake, with a few isolated gales to 35 kt
possible across the northern third. winds will gradually diminish
late tonight into friday morning as high pressure builds into the
northern plains and western portions of the upper midwest. high 
pressure will continue to slide southeastward on friday, with 
northwesterly winds developing as it passes to the south friday 
night. winds will gradually back to southerly into saturday 
afternoon as low pressure around 29.7 inches develops in the lee 
of the colorado rockies. winds then remain south-southwesterly 
through monday as ridging builds across the southeast u.s.


lmz080-669-671-673-675-777-779-870-872-874-876-878-270315-
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-
232 pm cdt thu mar 26 2026

sheboygan wi to pentwater mi south...

...gale warning in effect through late tonight...

.tonight...north gales to 40 kt diminishing to gales to 35 kt.
chance of rain showers this evening. waves 8 to 12 ft
occasionally to 16 ft building to 12 to 16 ft occasionally to
21 ft. 
.friday...north winds to 30 kt diminishing to 10 to 20 kt. slight
chance of snow showers in the afternoon. waves 8 to 11 ft
occasionally to 14 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.friday night...north winds 10 to 15 kt increasing to 10 to
20 kt. waves 3 to 5 ft. 
.saturday...northwest winds 10 to 20 kt backing to southwest.
waves 3 to 5 ft. 
.saturday night...south winds 10 to 20 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.sunday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft. 
.sunday night...south winds 10 to 20 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.monday...southwest winds 10 to 20 kt veering to north. waves
4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.tuesday...southeast winds 15 to 25 kt becoming south. rain
likely. waves 6 to 9 ft occasionally to 12 ft.  

$$

fzus63 kmqt 262001
glfls 
expires:202603270800;;339273

open lake forecast for lake superior
national weather service marquette mi
400 pm edt thu mar 26 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...

this afternoon, lake superior is between an elongated 29.7 inch 
trough spanning the southern great lakes basin and a 30.6 inch high 
over alberta. through friday morning, as the low shifts southeast 
away from the region, the high will build to 30.8 inches over the 
north dakota/montana line. this high slowly slides southeast through 
friday and into saturday morning, weakening to 30.6 inches south of 
lake michigan midday saturday. as the high further weakens to 30.5 
inches over thr northern appalachian range late saturday night, 
broad 29.7 inch low pressure develops in the colorado/wyoming area. 
sunday, the high shifts offshore while the low extends a weak 30.0 
inch trough over lake superior sunday evening. by monday afternoon, 
the trough is pushed east by a 30.2 inch high over the 
ontario/manitoba line. tuesday, the high builds to 30.4 inches over 
far northern ontario while low pressure over the northern plains 
deepens to 29.5 inches. the low approaches the great lakes late 
tuesday into wednesday.



lsz265-270800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm edt thu mar 26 2026

.late this afternoon...north winds 20 to 30 knots. freezing
spray. waves 3 to 6 feet occasionally to 8 feet building to 5 to
8 feet occasionally to 10 feet. 
.tonight...north winds 15 to 25 knots diminishing to 5 to
15 knots late. freezing spray through midnight. a slight chance
of snow showers after midnight. waves subsiding to 2 to 4 feet. 
.friday...northwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. a chance of snow showers. waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.friday night...northwest winds 15 to 25 knots. waves building to
3 to 6 feet occasionally to 8 feet, then subsiding to 2 to
4 feet. 
.saturday...west winds 15 to 25 knots becoming south 10 to
20 knots by mid afternoon. waves subsiding to calm to 2 feet. 
.saturday night...south winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves calm to 2 feet. 
.sunday...east winds 10 to 20 knots. waves calm to 2 feet. 
.sunday night...southeast winds 10 to 20 knots backing north
after midnight. waves building to 2 to 4 feet. 
.monday...north winds 10 to 20 knots becoming east 20 to
30 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to calm to 2 feet. 
.tuesday...east winds 20 to 30 knots increasing to gales to
35 knots. a chance of rain and snow showers. waves building to
9 to 12 feet occasionally to 15 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202603270800;;339274

open lake forecast for lake superior
national weather service marquette mi
400 pm edt thu mar 26 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...

this afternoon, lake superior is between an elongated 29.7 inch 
trough spanning the southern great lakes basin and a 30.6 inch high 
over alberta. through friday morning, as the low shifts southeast 
away from the region, the high will build to 30.8 inches over the 
north dakota/montana line. this high slowly slides southeast through 
friday and into saturday morning, weakening to 30.6 inches south of 
lake michigan midday saturday. as the high further weakens to 30.5 
inches over thr northern appalachian range late saturday night, 
broad 29.7 inch low pressure develops in the colorado/wyoming area. 
sunday, the high shifts offshore while the low extends a weak 30.0 
inch trough over lake superior sunday evening. by monday afternoon, 
the trough is pushed east by a 30.2 inch high over the 
ontario/manitoba line. tuesday, the high builds to 30.4 inches over 
far northern ontario while low pressure over the northern plains 
deepens to 29.5 inches. the low approaches the great lakes late 
tuesday into wednesday.



lsz266-270800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 pm edt thu mar 26 2026

.late this afternoon...north winds 20 to 30 knots. freezing
spray. waves 3 to 6 feet occasionally to 8 feet building to 5 to
8 feet occasionally to 10 feet. 
.tonight...north winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 10 to 20 knots. freezing spray
through midnight. a slight chance of snow showers after midnight.
waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.friday...northwest winds 5 to 15 knots increasing to 20 to
30 knots. a chance of snow showers. waves subsiding to 1 to
3 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.friday night...northwest winds 20 to 30 knots. freezing spray.
waves building to 5 to 8 feet occasionally to 10 feet. 
.saturday...west winds 15 to 25 knots backing southwest by mid
afternoon. freezing spray through early afternoon. a slight
chance of snow showers by mid afternoon. waves subsiding to 2 to
4 feet. 
.saturday night...south winds 15 to 25 knots. waves subsiding to
1 to 3 feet. 
.sunday...east winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.sunday night...southeast winds 10 to 20 knots becoming north
15 to 25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday...north winds 10 to 20 knots becoming east 20 to
30 knots. waves subsiding to 1 to 3 feet, then building to 4 to
7 feet occasionally to 9 feet. 
.tuesday...east winds 20 to 30 knots. a chance of rain and snow
showers. waves building to 9 to 12 feet occasionally to 15 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202603270800;;339275

open lake forecast for lake superior
national weather service marquette mi
400 pm edt thu mar 26 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...

this afternoon, lake superior is between an elongated 29.7 inch 
trough spanning the southern great lakes basin and a 30.6 inch high 
over alberta. through friday morning, as the low shifts southeast 
away from the region, the high will build to 30.8 inches over the 
north dakota/montana line. this high slowly slides southeast through 
friday and into saturday morning, weakening to 30.6 inches south of 
lake michigan midday saturday. as the high further weakens to 30.5 
inches over thr northern appalachian range late saturday night, 
broad 29.7 inch low pressure develops in the colorado/wyoming area. 
sunday, the high shifts offshore while the low extends a weak 30.0 
inch trough over lake superior sunday evening. by monday afternoon, 
the trough is pushed east by a 30.2 inch high over the 
ontario/manitoba line. tuesday, the high builds to 30.4 inches over 
far northern ontario while low pressure over the northern plains 
deepens to 29.5 inches. the low approaches the great lakes late 
tuesday into wednesday.



lsz267-270800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm edt thu mar 26 2026

.late this afternoon...north winds 20 to 30 knots. waves 3 to
6 feet occasionally to 8 feet. 
.tonight...north winds 20 to 30 knots diminishing to 15 to
25 knots after midnight, then becoming northeast 10 to 20 knots
late. waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding to 2 to 4 feet. 
.friday...south winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon, then becoming northwest 15 to 25 knots
late. a chance of snow showers. waves subsiding to calm to
2 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.friday night...northwest winds 15 to 25 knots. freezing spray. a
slight chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet. 
.saturday...west winds 15 to 25 knots. freezing spray through
early afternoon. a slight chance of snow showers by mid
afternoon. waves subsiding to 3 to 5 feet occasionally to 7 feet.
.saturday night...south winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 1 to 3 feet. 
.sunday...south winds 10 to 20 knots backing east by mid
afternoon. waves subsiding to calm to 2 feet. 
.sunday night...south winds 5 to 15 knots becoming north 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.monday...north winds 10 to 20 knots becoming east 15 to
25 knots. waves subsiding to 1 to 3 feet, then building to 3 to
6 feet occasionally to 8 feet. 
.tuesday...east winds 15 to 25 knots increasing to 20 to
30 knots. a chance of rain and snow showers, then rain and snow
showers likely. waves building to 6 to 9 feet occasionally to
11 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202603270800;;339272

open lake forecast for lake superior
national weather service marquette mi
400 pm edt thu mar 26 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...

this afternoon, lake superior is between an elongated 29.7 inch 
trough spanning the southern great lakes basin and a 30.6 inch high 
over alberta. through friday morning, as the low shifts southeast 
away from the region, the high will build to 30.8 inches over the 
north dakota/montana line. this high slowly slides southeast through 
friday and into saturday morning, weakening to 30.6 inches south of 
lake michigan midday saturday. as the high further weakens to 30.5 
inches over thr northern appalachian range late saturday night, 
broad 29.7 inch low pressure develops in the colorado/wyoming area. 
sunday, the high shifts offshore while the low extends a weak 30.0 
inch trough over lake superior sunday evening. by monday afternoon, 
the trough is pushed east by a 30.2 inch high over the 
ontario/manitoba line. tuesday, the high builds to 30.4 inches over 
far northern ontario while low pressure over the northern plains 
deepens to 29.5 inches. the low approaches the great lakes late 
tuesday into wednesday.



lsz264-270800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm edt thu mar 26 2026

.late this afternoon...north winds 15 to 25 knots. waves 3 to
6 feet occasionally to 8 feet. 
.tonight...north winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to 1 to 3 feet. 
.friday...northwest winds 5 to 15 knots increasing to 15 to
25 knots. a slight chance of snow showers. waves subsiding to
calm to 2 feet, then building to 3 to 5 feet occasionally to
7 feet. 
.friday night...northwest winds 15 to 25 knots. freezing spray
through midnight. waves building to 4 to 7 feet occasionally to
9 feet, then subsiding to 3 to 5 feet occasionally to 7 feet. 
.saturday...west winds 10 to 20 knots becoming southwest 5 to
15 knots by mid afternoon. waves subsiding to 1 to 3 feet. 
.saturday night...south winds 5 to 15 knots backing southeast
after midnight. waves subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.sunday night...east winds 5 to 15 knots becoming north 10 to
20 knots after midnight. waves building to 1 to 3 feet. 
.monday...north winds 10 to 20 knots becoming east 20 to
30 knots. waves subsiding to calm to 2 feet, then building to
4 to 7 feet occasionally to 9 feet. 
.tuesday...east winds 20 to 30 knots. a chance of snow showers. a
chance of rain showers. waves building to 9 to 12 feet
occasionally to 15 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202603270800;;339271

open lake forecast for lake superior
national weather service marquette mi
400 pm edt thu mar 26 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...

this afternoon, lake superior is between an elongated 29.7 inch 
trough spanning the southern great lakes basin and a 30.6 inch high 
over alberta. through friday morning, as the low shifts southeast 
away from the region, the high will build to 30.8 inches over the 
north dakota/montana line. this high slowly slides southeast through 
friday and into saturday morning, weakening to 30.6 inches south of 
lake michigan midday saturday. as the high further weakens to 30.5 
inches over thr northern appalachian range late saturday night, 
broad 29.7 inch low pressure develops in the colorado/wyoming area. 
sunday, the high shifts offshore while the low extends a weak 30.0 
inch trough over lake superior sunday evening. by monday afternoon, 
the trough is pushed east by a 30.2 inch high over the 
ontario/manitoba line. tuesday, the high builds to 30.4 inches over 
far northern ontario while low pressure over the northern plains 
deepens to 29.5 inches. the low approaches the great lakes late 
tuesday into wednesday.



lsz263-270800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 pm edt thu mar 26 2026

.late this afternoon...north winds 15 to 25 knots. waves 3 to
5 feet occasionally to 7 feet. 
.tonight...north winds 10 to 20 knots diminishing to 5 to
15 knots late. a slight chance of snow showers after midnight.
waves subsiding to calm to 2 feet. 
.friday...northwest winds 5 to 15 knots increasing to 15 to
25 knots. a slight chance of snow showers through early
afternoon. waves building to 3 to 5 feet occasionally to 7 feet. 
.friday night...northwest winds 15 to 25 knots backing west late.
waves building to 3 to 6 feet occasionally to 8 feet, then
subsiding to 2 to 4 feet. 
.saturday...west winds 10 to 20 knots backing southwest by mid
afternoon. waves subsiding to calm to 2 feet. 
.saturday night...southeast winds 5 to 15 knots backing east
after midnight. waves calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...northeast winds 10 to 20 knots backing north
after midnight. waves building to 1 to 3 feet. 
.monday...northeast winds 10 to 20 knots becoming east 20 to
30 knots. waves subsiding to calm to 2 feet, then building to
4 to 7 feet occasionally to 9 feet. 
.tuesday...east winds 20 to 30 knots backing northeast. a chance
of rain and snow showers. waves building to 9 to 12 feet
occasionally to 15 feet. 

$$

fzus63 kmqt 262001
glfls 
expires:202603270800;;339270

open lake forecast for lake superior
national weather service marquette mi
400 pm edt thu mar 26 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...

this afternoon, lake superior is between an elongated 29.7 inch 
trough spanning the southern great lakes basin and a 30.6 inch high 
over alberta. through friday morning, as the low shifts southeast 
away from the region, the high will build to 30.8 inches over the 
north dakota/montana line. this high slowly slides southeast through 
friday and into saturday morning, weakening to 30.6 inches south of 
lake michigan midday saturday. as the high further weakens to 30.5 
inches over thr northern appalachian range late saturday night, 
broad 29.7 inch low pressure develops in the colorado/wyoming area. 
sunday, the high shifts offshore while the low extends a weak 30.0 
inch trough over lake superior sunday evening. by monday afternoon, 
the trough is pushed east by a 30.2 inch high over the 
ontario/manitoba line. tuesday, the high builds to 30.4 inches over 
far northern ontario while low pressure over the northern plains 
deepens to 29.5 inches. the low approaches the great lakes late 
tuesday into wednesday.



lsz162-270800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt thu mar 26 2026 /300 pm cdt thu mar 26 2026/

.late this afternoon...north winds 10 to 20 knots. waves 3 to
5 feet occasionally to 7 feet subsiding to 2 to 4 feet. 
.tonight...north winds 10 to 20 knots. waves subsiding to calm to
2 feet. 
.friday...northwest winds 5 to 15 knots increasing to 15 to
25 knots. waves building to 3 to 5 feet occasionally to 7 feet. 
.friday night...northwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. waves subsiding to calm to 2 feet.
.saturday...southwest winds 10 to 20 knots backing south by mid
afternoon. waves calm to 2 feet. 
.saturday night...east winds 10 to 20 knots becoming northeast
5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...northeast winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...northeast winds 5 to 15 knots backing north after
midnight. waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots becoming east 15 to
25 knots. waves building to 4 to 7 feet occasionally to 9 feet. 
.tuesday...east winds 15 to 25 knots becoming northeast 20 to
30 knots. a chance of rain and snow showers. waves building to
7 to 10 feet occasionally to 13 feet. 

$$