fzus61 kbuf 281503
glflo 
expires:202602282200;;396144

open lake forecast for lake ontario
national weather service buffalo ny
1003 am est sat feb 28 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 29.1 inch low near james bay will move across northern 
quebec today with a weak secondary cold front then crossing the lake 
tonight. a 30.6 inch high will then settle across the great lakes 
sunday, new england monday, and across the western atlantic tuesday. 
a weak wave of low pressure averaging 30.1 inches will track across 
the ohio valley and lower great lakes tuesday and tuesday night. a 
30.4 inch high will then build across the lower lakes region 
wednesday, with another 29.5 inch low crossing the lake on thursday.


loz062-063-282200-
lake ontario open waters from the niagara river to sodus bay-
1003 am est sat feb 28 2026

.this afternoon...northwest winds 15 to 20 knots. waves 3 to
6 feet. 
.tonight...northwest winds 15 to 20 knots becoming north 10 to
15 knots. a chance of snow after midnight. waves 3 to 6 feet
subsiding to 2 to 4 feet. 
.sunday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of snow showers in the morning. waves 2 to
4 feet. 
.sunday night...northwest winds 5 to 15 knots becoming north.
waves 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 
.tuesday...south winds 15 to 20 knots becoming northwest. rain
and snow showers likely. waves 1 to 3 feet. 
.wednesday...north winds 15 to 20 knots becoming southeast. a
chance of rain showers wednesday night. waves 1 to 3 feet
building to 2 to 4 feet. 

$$

fzus61 kbuf 281503
glflo 
expires:202602282200;;396145

open lake forecast for lake ontario
national weather service buffalo ny
1003 am est sat feb 28 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 29.1 inch low near james bay will move across northern 
quebec today with a weak secondary cold front then crossing the lake 
tonight. a 30.6 inch high will then settle across the great lakes 
sunday, new england monday, and across the western atlantic tuesday. 
a weak wave of low pressure averaging 30.1 inches will track across 
the ohio valley and lower great lakes tuesday and tuesday night. a 
30.4 inch high will then build across the lower lakes region 
wednesday, with another 29.5 inch low crossing the lake on thursday.


loz064-065-282200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1003 am est sat feb 28 2026

.this afternoon...west winds 15 to 20 knots. waves 3 to 6 feet. 
.tonight...northwest winds 15 to 20 knots becoming north 5 to
15 knots. a chance of snow after midnight. waves 3 to 6 feet
subsiding to 1 to 3 feet. 
.sunday...northeast winds 15 to 20 knots becoming northwest 10 to
15 knots. a chance of snow showers in the morning. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.sunday night...northwest winds 5 to 15 knots becoming north.
waves 1 to 3 feet. 
.monday...northwest winds 5 to 15 knots becoming south 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet. 
.tuesday...south winds 15 to 20 knots becoming north. snow and
rain showers likely. waves 2 to 4 feet. 
.wednesday...north winds 15 to 20 knots becoming southeast. a
chance of rain showers wednesday night. waves 1 to 3 feet. 

$$

fzus61 kcle 281457
glfle 
expires:202602282115;;395685

open lake forecast for lake erie
national weather service cleveland oh
957 am est sat feb 28 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...
low pressure deepens to 29.10 inches as it pushes across quebec
this morning while dragging a cold front east across lake erie
through this afternoon. a trough averaging 30.00 inches lingers
across the eastern great lakes tonight. high pressure builds to
30.60 inches as it moves from the northern plains into the eastern
great lakes region through monday and persists into tuesday.


lez164>166-282115-
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-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-
957 am est sat feb 28 2026

.this afternoon...northwest winds 5 to 10 knots becoming
northeast. waves in ice free areas 2 feet or less. 
.tonight...northeast winds 10 to 15 knots increasing to 15 to
20 knots. a chance of snow. waves 1 to 3 feet. 
.sunday...north winds 15 to 20 knots diminishing to 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday night...north winds 5 to 10 knots becoming east. waves
1 foot or less. 
.monday...east winds 5 to 15 knots becoming southeast. a chance
of snow monday night. waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots becoming north. rain during
the day, then rain and snow likely tuesday night. waves 2 feet or
less. 
.wednesday...northeast winds 5 to 15 knots becoming south 15 to
20 knots. a chance of rain during the day, then rain likely
wednesday night. waves 2 feet or less building to 2 to 4 feet. 

wave heights are for ice free areas.

$$

fzus61 kcle 281457
glfle 
expires:202602282115;;395686

open lake forecast for lake erie
national weather service cleveland oh
957 am est sat feb 28 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...
low pressure deepens to 29.10 inches as it pushes across quebec
this morning while dragging a cold front east across lake erie
through this afternoon. a trough averaging 30.00 inches lingers
across the eastern great lakes tonight. high pressure builds to
30.60 inches as it moves from the northern plains into the eastern
great lakes region through monday and persists into tuesday.


lez061-167>169-282115-
ripley to buffalo ny extending from 5nm 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-
957 am est sat feb 28 2026

.this afternoon...northwest winds 5 to 15 knots becoming north.
the lake is mostly ice covered.
.tonight...north winds 5 to 15 knots becoming northeast. a chance
of snow. 
.sunday...north winds 10 to 15 knots becoming northwest. 
.sunday night...north winds 10 knots or less becoming northeast. 
.monday...east winds 5 to 10 knots becoming southeast. 
.tuesday...south winds 5 to 15 knots becoming north. rain during
the day, then rain and snow likely tuesday night. 
.wednesday...northeast winds 5 to 15 knots becoming southeast
15 to 20 knots. a chance of rain wednesday night. 

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 281457
glfle 
expires:202602282115;;395684

open lake forecast for lake erie
national weather service cleveland oh
957 am est sat feb 28 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...
low pressure deepens to 29.10 inches as it pushes across quebec
this morning while dragging a cold front east across lake erie
through this afternoon. a trough averaging 30.00 inches lingers
across the eastern great lakes tonight. high pressure builds to
30.60 inches as it moves from the northern plains into the eastern
great lakes region through monday and persists into tuesday.


lez162-163-282115-
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-
957 am est sat feb 28 2026

.this afternoon...northwest winds 5 to 10 knots becoming
northeast. waves in ice free areas 1 foot or less. 
.tonight...east winds 5 to 15 knots becoming northeast. a chance
of snow. waves 1 foot or less building to 1 to 3 feet. 
.sunday...north winds 10 to 15 knots. waves 1 to 3 feet subsiding
to 1 foot or less. 
.sunday night...northeast winds 5 to 10 knots becoming east.
waves 1 foot or less. 
.monday...east winds 5 to 10 knots becoming southeast. a chance
of snow monday night. waves 2 feet or less. 
.tuesday...southeast winds 10 to 15 knots becoming north. rain.
waves 2 feet or less. 
.wednesday...northeast winds 10 to 15 knots becoming south 15 to
20 knots. a chance of rain during the day, then rain likely
wednesday night. waves 2 feet or less building to 2 to 4 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 281459
glfsc 
expires:202602282300;;395883

lake st clair forecast
national weather service detroit/pontiac mi
959 am est sat feb 28 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...lighter northerly winds today and tonight as ontario 
low pressure exits east into quebec. high pressure, 30.70 inches, 
then builds in for the latter half of the weekend.


lcz460-282300-
lake st clair-
959 am est sat feb 28 2026

.rest of today...north winds 5 to 10 knots veering to the northeast
late in the afternoon. partly sunny.
.tonight...northeast winds 10 to 15 knots. mostly cloudy. a chance
of light snow early in the evening...then light snow likely by
midnight. a chance of light snow early in the morning.
.sunday...north winds 10 to 15 knots. partly sunny.
.sunday night...northeast winds 5 to 10 knots veering to the east
after midnight. mostly clear.
.monday...southeast winds 5 to 10 knots increasing to 10 to 15 knots
in the afternoon...then diminishing to 5 to 10 knots in the evening.
sunny becoming mostly clear.
.tuesday...north winds 10 to 15 knots. light rain...possible
freezing rain and snow likely.
.wednesday...southeast winds 10 to 15 knots. partly cloudy. a chance
of light rain and snow.

waves omitted due to ice coverage.

$$

fzus63 kdtx 281459
glflh 
expires:202602282300;;395872

open lake forecast for lake huron
national weather service detroit/pontiac mi
959 am est sat feb 28 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...lighter northerly winds today and tonight as ontario 
low pressure exits east into quebec. high pressure, 30.70 inches, 
then builds in for the latter half of the weekend.


lhz361-362-282300-
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-
959 am est sat feb 28 2026

.rest of today...northwest winds 20 to 25 knots with gusts to
around 30 knots decreasing to 15 to 20 knots in the afternoon.
freezing spray. waves 8 to 12 feet subsiding to 4 to 6 feet late
in the afternoon. waves occasionally around 15 feet. 
.tonight...northwest winds 10 to 15 knots becoming north 15 to
20 knots by midnight...then decreasing to 10 to 15 knots early in
the morning. waves 3 to 5 feet. 
.sunday...north winds 10 to 15 knots. waves 3 to 5 feet. 
.sunday night...west winds 5 to 10 knots. waves 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots increasing to 10 to
15 knots late in the morning...then becoming south 15 to 20 knots
late in the afternoon. freezing spray late in the evening. waves
1 to 3 feet building to 5 to 7 feet. waves occasionally around
10 feet. 
.tuesday...south winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
east early in the evening becoming east 5 to 10 knots by
midnight. a chance of snow. waves 4 to 6 feet subsiding to 1 to
3 feet. waves occasionally around 8 feet. 
.wednesday...west winds 10 to 15 knots backing to the southeast.
waves 1 to 3 feet building to 3 to 5 feet by midnight. 

wave heights are for ice free areas.

$$

fzus63 kdtx 281459
glflh 
expires:202602282300;;395873

open lake forecast for lake huron
national weather service detroit/pontiac mi
959 am est sat feb 28 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...lighter northerly winds today and tonight as ontario 
low pressure exits east into quebec. high pressure, 30.70 inches, 
then builds in for the latter half of the weekend.


lhz363-282300-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
959 am est sat feb 28 2026

.rest of today...northwest winds 15 to 20 knots decreasing to
10 to 15 knots in the afternoon. freezing spray late in the
morning. waves 8 to 12 feet subsiding to 4 to 6 feet late in the
afternoon. waves occasionally around 15 feet. 
.tonight...north winds 10 to 15 knots increasing to 15 to
20 knots after midnight. a chance of snow after midnight. waves
3 to 5 feet. 
.sunday...north winds 15 to 20 knots decreasing to 10 to 15 knots
in the late morning and afternoon. a chance of snow. waves 3 to
5 feet. 
.sunday night...north winds 5 to 10 knots backing to the west
after midnight. waves 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots becoming south 10 to
15 knots late in the morning...then increasing to 15 to 20 knots
late in the afternoon decreasing to 10 to 15 knots late in the
evening. waves 2 feet or less building to 3 to 5 feet. 
.tuesday...south winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
northeast early in the evening becoming northeast 5 to 10 knots
by midnight. a chance of snow. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.wednesday...north winds 10 to 15 knots becoming east 5 to
10 knots in the late morning and early afternoon...then veering
to the southeast early in the evening increasing to 10 to
15 knots by midnight. a chance of rain by midnight. waves 1 to
3 feet building to 2 to 4 feet by midnight. 

wave heights are for ice free areas.

$$

fzus63 kdtx 281459
glflh 
expires:202602282300;;395874

open lake forecast for lake huron
national weather service detroit/pontiac mi
959 am est sat feb 28 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...lighter northerly winds today and tonight as ontario 
low pressure exits east into quebec. high pressure, 30.70 inches, 
then builds in for the latter half of the weekend.


lhz462>464-282300-
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-
959 am est sat feb 28 2026

.rest of today...northwest winds 15 to 20 knots decreasing to
10 to 15 knots early in the afternoon...then becoming northwest
10 to 15 knots late in the afternoon. waves 2 to 4 feet. 
.tonight...north winds 10 to 15 knots. a chance of snow. waves
1 to 3 feet building to 3 to 5 feet early in the morning. 
.sunday...north winds 10 to 15 knots. a chance of snow. waves
3 to 5 feet. 
.sunday night...north winds 5 to 10 knots early in the evening
becoming light and variable...then becoming northeast 5 to
10 knots after midnight. waves 1 to 3 feet. 
.monday...south winds 5 to 10 knots increasing to 10 to 15 knots.
waves 2 feet or less. 
.tuesday...south winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then backing to the
northeast early in the evening backing to the northeast 5 to
10 knots by midnight. snow likely. rain likely until early
evening...then a chance of rain by midnight. waves 2 feet or
less. 
.wednesday...north winds 5 to 10 knots veering to the northeast
in the late morning and early afternoon...then veering to the
southeast early in the evening increasing to 10 to 15 knots by
midnight. a chance of rain by midnight. waves 1 to 3 feet. 

wave heights are for ice free areas.

$$

fzus63 kmkx 281447
glflm 
expires:202602282215;;395353

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
847 am cst sat feb 28 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...

gusty northwest winds early this morning will become north to 
northeast and moderate today into tonight, as strong high pressure
around 30.7 inches builds into the upper midwest. this high will
gradually slide east sunday into monday. expect lighter winds 
sunday into sunday night, before becoming south to southeast on 
monday into monday night. winds may then become northeast to east 
toward the middle of next week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-282215-
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-
847 am cst sat feb 28 2026

sheboygan wi to pentwater mi south...

.rest of today...north winds 10 to 20 kt becoming northeast.
chance of snow this afternoon. waves 4 to 7 ft occasionally to
9 ft subsiding to 3 to 5 ft. 
.tonight...northeast winds 10 to 20 kt becoming north. chance of
snow in the evening, then slight chance of snow overnight. waves
4 to 6 ft occasionally to 8 ft. 
.sunday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.sunday night...northeast winds 5 to 10 kt becoming east. waves
2 to 4 ft subsiding to 1 to 3 ft. 
.monday...southeast winds 10 to 20 kt becoming south. waves 2 to
4 ft building to 4 to 6 ft occasionally to 8 ft. 
.monday night...southeast winds 10 to 20 kt. chance of rain and
snow. waves 4 to 6 ft occasionally to 8 ft. 
.tuesday...southeast winds 10 to 20 kt becoming northeast 10 to
15 kt. rain, snow and light freezing rain likely. waves 2 to
4 ft. 
.wednesday...east winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft.  

$$

fzus63 kmkx 281447
glflm 
expires:202602282215;;395352

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
847 am cst sat feb 28 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...

gusty northwest winds early this morning will become north to 
northeast and moderate today into tonight, as strong high pressure
around 30.7 inches builds into the upper midwest. this high will
gradually slide east sunday into monday. expect lighter winds 
sunday into sunday night, before becoming south to southeast on 
monday into monday night. winds may then become northeast to east 
toward the middle of next week.


lmz261-362-364-366-563-565-567-868-282215-
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-
847 am cst sat feb 28 2026

sheboygan wi to pentwater mi north...

.rest of today...northwest winds 10 to 20 kt becoming north 10 to
15 kt. slight chance of snow this afternoon. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.tonight...north winds 10 to 15 kt increasing to 10 to 20 kt.
chance of snow in the evening, then slight chance of snow
overnight. waves 3 to 5 ft. 
.sunday...north winds 10 to 20 kt diminishing to 10 to 15 kt late
in the morning, then becoming northwest early in the afternoon
diminishing to 5 to 10 kt late. waves 3 to 5 ft subsiding to 2 to
4 ft. 
.sunday night...west winds 5 to 10 kt becoming southwest. waves
1 to 2 ft. 
.monday...south winds 15 to 25 kt increasing to 30 kt. waves 2 to
4 ft building to 4 to 7 ft occasionally to 9 ft.
.monday night...south winds 15 to 25 kt. chance of snow. waves
4 to 7 ft occasionally to 9 ft. 
.tuesday...south winds 10 to 20 kt backing to northeast. chance
of snow. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.wednesday...southeast winds 10 to 15 kt. waves 1 to 3 ft.  

$$

fzus63 kmqt 281500
glfls 
expires:202602282100;;395977

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat feb 28 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 29.1 inch low near southern james bay early this morning continues 
departing northeast today over northern quebec. meanwhile, 30.6 inch 
high pressure over the canadian prairie builds in from the 
northwest. this high becomes centered over upper michigan sunday 
afternoon, then reaches new england for monday. a weak 30.1 inch 
trough slides through on tuesday. a 30.4 inch high moving over 
northern ontario on wednesday extends 30.2 inch ridging over the 
lake.



lsz162-282100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 am est sat feb 28 2026 /900 am cst sat feb 28 2026/

.rest of today...northwest winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west. waves calm
to 2 feet. 
.sunday night...southeast winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.monday...southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday night...southwest gales to 35 knots. waves subsiding to
calm to 2 feet. 
.tuesday...southwest winds 20 to 30 knots becoming west 15 to
25 knots. waves calm to 2 feet. 
.wednesday...west winds 10 to 20 knots becoming east 15 to
25 knots. waves building to 3 to 5 feet occasionally to 7 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 281500
glfls 
expires:202602282100;;395978

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat feb 28 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 29.1 inch low near southern james bay early this morning continues 
departing northeast today over northern quebec. meanwhile, 30.6 inch 
high pressure over the canadian prairie builds in from the 
northwest. this high becomes centered over upper michigan sunday 
afternoon, then reaches new england for monday. a weak 30.1 inch 
trough slides through on tuesday. a 30.4 inch high moving over 
northern ontario on wednesday extends 30.2 inch ridging over the 
lake.



lsz263-282100-
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 sat feb 28 2026

.rest of today...northwest winds 10 to 20 knots diminishing to
5 to 15 knots by mid afternoon. a slight chance of snow showers
late in the morning. waves 2 to 4 feet subsiding to calm to
2 feet. 
.tonight...northwest winds 5 to 15 knots veering north by
midnight, then backing northwest late. a slight chance of snow
showers after midnight. waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west. waves calm
to 2 feet. 
.sunday night...south winds 5 to 15 knots. waves calm to 2 feet. 
.monday...southwest winds 10 to 20 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.monday night...southwest gales to 35 knots. waves subsiding to
1 to 3 feet. 
.tuesday...southwest winds 20 to 30 knots veering west. waves
subsiding to calm to 2 feet. 
.wednesday...west winds 20 to 30 knots backing east. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 281500
glfls 
expires:202602282100;;395979

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat feb 28 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 29.1 inch low near southern james bay early this morning continues 
departing northeast today over northern quebec. meanwhile, 30.6 inch 
high pressure over the canadian prairie builds in from the 
northwest. this high becomes centered over upper michigan sunday 
afternoon, then reaches new england for monday. a weak 30.1 inch 
trough slides through on tuesday. a 30.4 inch high moving over 
northern ontario on wednesday extends 30.2 inch ridging over the 
lake.



lsz264-282100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 am est sat feb 28 2026

...heavy freezing spray warning in effect until 1 pm est this
afternoon...

.rest of today...northwest winds 20 to 30 knots diminishing to
10 to 20 knots. heavy freezing spray late in the morning. a
chance of snow showers. waves 4 to 7 feet occasionally to 9 feet
subsiding to 2 to 4 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots late. a slight chance of snow showers. waves subsiding
to 1 to 3 feet. 
.sunday...northwest winds 5 to 15 knots backing west. waves
subsiding to calm to 2 feet. 
.sunday night...west winds 5 to 15 knots backing southwest after
midnight. waves building to 1 to 3 feet. 
.monday...southwest winds 10 to 20 knots. waves building to 5 to
8 feet occasionally to 10 feet. 
.monday night...southwest gales to 35 knots. waves subsiding to
3 to 5 feet occasionally to 7 feet. 
.tuesday...southwest gales to 35 knots veering west. waves
subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.wednesday...northwest winds 20 to 30 knots veering east. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 281500
glfls 
expires:202602282100;;395980

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat feb 28 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 29.1 inch low near southern james bay early this morning continues 
departing northeast today over northern quebec. meanwhile, 30.6 inch 
high pressure over the canadian prairie builds in from the 
northwest. this high becomes centered over upper michigan sunday 
afternoon, then reaches new england for monday. a weak 30.1 inch 
trough slides through on tuesday. a 30.4 inch high moving over 
northern ontario on wednesday extends 30.2 inch ridging over the 
lake.



lsz265-282100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 am est sat feb 28 2026

...heavy freezing spray warning in effect until 4 pm est this
afternoon...

.rest of today...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 15 to 25 knots. a
slight chance of snow showers late in the morning. waves 4 to
7 feet occasionally to 9 feet subsiding to 2 to 4 feet. 
.tonight...northwest winds 15 to 25 knots. a slight chance of
snow showers. waves subsiding to 1 to 3 feet. 
.sunday...northwest winds 10 to 20 knots backing west. waves
subsiding to calm to 2 feet. 
.sunday night...west winds 10 to 20 knots backing southwest after
midnight. waves calm to 2 feet. 
.monday...southwest winds 15 to 25 knots backing south in the
afternoon. waves building to 1 to 3 feet. 
.monday night...south winds 20 to 30 knots becoming southwest
gales to 35 knots after midnight. waves subsiding to calm to
2 feet. 
.tuesday...southwest winds 20 to 30 knots becoming west gales to
35 knots. waves calm to 2 feet. 
.wednesday...west winds 20 to 30 knots backing south. waves
building to 3 to 6 feet occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 281500
glfls 
expires:202602282100;;395981

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat feb 28 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 29.1 inch low near southern james bay early this morning continues 
departing northeast today over northern quebec. meanwhile, 30.6 inch 
high pressure over the canadian prairie builds in from the 
northwest. this high becomes centered over upper michigan sunday 
afternoon, then reaches new england for monday. a weak 30.1 inch 
trough slides through on tuesday. a 30.4 inch high moving over 
northern ontario on wednesday extends 30.2 inch ridging over the 
lake.



lsz266-282100-
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 sat feb 28 2026

...heavy freezing spray warning in effect until 10 pm est this
evening...

.rest of today...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots.
heavy freezing spray. a chance of snow showers. waves 8 to
11 feet occasionally to 14 feet subsiding to 3 to 6 feet
occasionally to 8 feet. 
.tonight...northwest winds 20 to 30 knots becoming north 15 to
25 knots by midnight, then backing northwest late. a chance of
snow showers. waves subsiding to 2 to 4 feet. 
.sunday...northwest winds 10 to 20 knots backing west. a chance
of snow showers. waves subsiding to 1 to 3 feet. 
.sunday night...west winds 10 to 20 knots backing southwest after
midnight. waves building to 2 to 4 feet. 
.monday...south winds 15 to 25 knots. freezing spray in the
afternoon. waves building to 6 to 9 feet occasionally to 11 feet.
.monday night...south gales to 35 knots veering southwest after
midnight. waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.tuesday...southwest gales to 35 knots veering west. waves
subsiding to calm to 2 feet, then building to 2 to 4 feet. 
.wednesday...west winds 20 to 30 knots backing south. waves
building to 5 to 8 feet occasionally to 10 feet. 

note, wave height forecasts are for ice free areas.

$$

fzus63 kmqt 281500
glfls 
expires:202602282100;;395982

open lake forecast for lake superior
national weather service marquette mi
1000 am est sat feb 28 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 29.1 inch low near southern james bay early this morning continues 
departing northeast today over northern quebec. meanwhile, 30.6 inch 
high pressure over the canadian prairie builds in from the 
northwest. this high becomes centered over upper michigan sunday 
afternoon, then reaches new england for monday. a weak 30.1 inch 
trough slides through on tuesday. a 30.4 inch high moving over 
northern ontario on wednesday extends 30.2 inch ridging over the 
lake.



lsz267-282100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 am est sat feb 28 2026

...heavy freezing spray warning in effect until 10 pm est this
evening...

.rest of today...northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots.
heavy freezing spray. snow showers likely late in the morning. a
chance of snow showers in the afternoon. waves 8 to 11 feet
occasionally to 14 feet subsiding to 3 to 6 feet occasionally to
8 feet. 
.tonight...northwest winds 20 to 30 knots becoming north 15 to
25 knots by midnight, then diminishing to 10 to 20 knots late. a
chance of snow showers. waves subsiding to 2 to 4 feet. 
.sunday...north winds 5 to 15 knots backing west. a chance of.
waves subsiding to calm to 2 feet, then building to 1 to 3 feet. 
.sunday night...south winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.monday...south winds 10 to 20 knots. waves building to 5 to
8 feet occasionally to 10 feet. 
.monday night...south winds 20 to 30 knots. waves subsiding to
3 to 5 feet occasionally to 7 feet. 
.tuesday...southwest winds 20 to 30 knots becoming west gales to
35 knots. waves subsiding to calm to 2 feet, then building to
2 to 4 feet. 
.wednesday...west winds 20 to 30 knots backing south. waves
subsiding to 1 to 3 feet, then building to 3 to 6 feet
occasionally to 8 feet. 

note, wave height forecasts are for ice free areas.

$$