fzus61 kbuf 010303
glflo 
expires:202603011000;;424220

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm 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 will move across northern quebec tonight 
with a weak secondary cold front crossing the lake. 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.


loz064-065-011000-
lake ontario open waters from sodus bay to the saint lawrence
river-
1003 pm est sat feb 28 2026

.overnight...north winds 15 to 20 knots becoming northeast
10 to 15 knots. snow likely. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.sunday...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of snow early. scattered flurries in the
afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday night...northwest winds 5 to 15 knots becoming northeast.
waves 2 feet or less. 
.monday...northeast winds 10 knots or less becoming south. waves
1 foot or less. 
.monday night...southeast 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. 
.thursday...southeast winds 15 to 25 knots. rain showers likely.
waves 2 to 4 feet building to 3 to 5 feet. 

$$

fzus61 kbuf 010303
glflo 
expires:202603011000;;424219

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm 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 will move across northern quebec tonight 
with a weak secondary cold front crossing the lake. 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.


loz062-063-011000-
lake ontario open waters from the niagara river to sodus bay-
1003 pm est sat feb 28 2026

.overnight...northwest winds 15 to 20 knots becoming north
10 to 15 knots. a chance of snow. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.sunday...north winds 10 to 15 knots becoming northwest. a chance
of snow early, then scattered flurries from late morning on.
waves 2 to 4 feet. 
.sunday night...northwest winds 5 to 15 knots. scattered flurries
in the evening. waves 1 to 3 feet. 
.monday...northwest winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.monday night...southeast 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. 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. 
.thursday...southeast winds 15 to 25 knots. rain showers likely.
waves 2 to 4 feet building to 3 to 5 feet. 

$$

fzus61 kcle 010235
glfle 
expires:202603010915;;423415

open lake forecast for lake erie
national weather service cleveland oh
935 pm 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...
high pressure 30.60 inches will build across the region on sunday
and persist through monday. a warm front will lift north near 
lake erie on tuesday and become stationary through late week as a 
series of low pressure systems track along the front.



lez061-167>169-010915-
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-
935 pm est sat feb 28 2026

.overnight...northeast winds 10 to 15 knots. snow showers
likely, then a chance of snow showers late. the lake is mostly
ice covered.
.sunday...northeast winds 5 to 15 knots becoming north. a slight
chance of snow showers early. 
.sunday night...north winds 10 knots or less becoming northeast. 
.monday...east winds 10 knots or less. 
.monday night...east winds 5 to 10 knots becoming southeast. a
chance of freezing rain overnight. 
.tuesday...south winds 5 to 10 knots becoming north. rain during
the day, then rain likely tuesday night. 
.wednesday...northeast winds 5 to 15 knots becoming south. a
chance of rain and thunderstorms wednesday night. 
.thursday...southeast winds 10 to 15 knots becoming south. rain
likely. 

winds and waves higher in and near thunderstorms.

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 010235
glfle 
expires:202603010915;;423413

open lake forecast for lake erie
national weather service cleveland oh
935 pm 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...
high pressure 30.60 inches will build across the region on sunday
and persist through monday. a warm front will lift north near 
lake erie on tuesday and become stationary through late week as a 
series of low pressure systems track along the front.



lez162-163-010915-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
935 pm est sat feb 28 2026

.overnight...northeast winds 10 to 15 knots. a chance of
snow showers. waves in ice free areas 1 to 3 feet. 
.sunday...northeast winds 5 to 15 knots becoming north. 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. waves 1 foot or less. 
.monday night...east winds 5 to 10 knots becoming southeast. a
chance of rain and snow overnight. waves 1 foot or less. 
.tuesday...southeast winds 5 to 10 knots becoming northeast. rain
during the day, then a chance of rain tuesday night. waves 2 feet
or less. 
.wednesday...northeast winds 10 to 15 knots becoming south. a
chance of rain and thunderstorms wednesday night. waves 2 feet or
less. 
.thursday...southwest winds 10 to 15 knots becoming south. rain
likely. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

wave heights are for ice free areas.

$$

fzus61 kcle 010235
glfle 
expires:202603010915;;423414

open lake forecast for lake erie
national weather service cleveland oh
935 pm 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...
high pressure 30.60 inches will build across the region on sunday
and persist through monday. a warm front will lift north near 
lake erie on tuesday and become stationary through late week as a 
series of low pressure systems track along the front.



lez164>166-010915-
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-
935 pm est sat feb 28 2026

.overnight...northeast winds 10 to 15 knots increasing to
15 to 20 knots. snow showers likely, then a chance of snow
showers late. waves in ice free areas 1 to 3 feet. 
.sunday...northeast winds 15 to 20 knots becoming north 10 to
15 knots. a slight chance of snow showers early. waves 1 to
3 feet. 
.sunday night...north winds 5 to 10 knots becoming east. waves
1 foot or less. 
.monday...east winds 5 to 10 knots. waves 1 foot or less. 
.monday night...east winds around 10 knots becoming southeast. a
chance of rain, freezing rain and snow overnight. waves 1 foot or
less. 
.tuesday...south winds 5 to 15 knots becoming north. rain. waves
2 feet or less. 
.wednesday...northeast winds 5 to 15 knots becoming south 15 to
20 knots. rain likely with a chance of thunderstorms wednesday
night. waves 1 to 3 feet. 
.thursday...south winds 10 to 15 knots increasing to 15 to
20 knots. rain likely. waves 2 to 4 feet subsiding to 1 to
3 feet. 

winds and waves higher in and near thunderstorms.

wave heights are for ice free areas.

$$

fzus63 kdtx 010308
glfsc 
expires:202603011115;;424495

lake st clair forecast
national weather service detroit/pontiac mi
1008 pm 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...light snow this evening will give way to dry weather
and light winds for sunday as high pressure, 30.70 inches
arrives. moderate southwest flow on monday before a weak low
tracks through the northern ohio valley on tuesday, bringing
mainly rain over lake st. clair and lake erie.


lcz460-011115-
lake st clair-
1008 pm est sat feb 28 2026

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

waves omitted due to ice coverage.

$$

fzus63 kdtx 010307
glflh 
expires:202603011115;;424483

open lake forecast for lake huron
national weather service detroit/pontiac mi
1007 pm 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...light snow this evening will give way to dry weather
and light winds for sunday as high pressure, 30.70 inches
arrives. moderate southwest flow on monday before a weak low
tracks through the northern ohio valley on tuesday, bringing
mainly rain over lake st. clair and lake erie.


lhz361>363-011115-
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-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
1007 pm est sat feb 28 2026

.rest of tonight...northwest winds 15 to 20 knots becoming north
10 to 15 knots early in the morning. a chance of snow this
evening. waves 4 to 6 feet. waves occasionally around 8 feet. 
.sunday...north winds 10 to 15 knots backing to the northwest
late in the afternoon. waves 3 to 5 feet. 
.sunday night...northwest winds 5 to 10 knots backing to the
southwest in the late evening and overnight. waves 1 to 3 feet. 
.monday...south winds 5 to 10 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 4 to 6 feet in the late morning and
afternoon. waves occasionally around 8 feet. 
.monday night...south winds 15 to 20 knots decreasing to 10 to
15 knots after midnight. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.tuesday...south winds 5 to 10 knots backing to the north late in
the afternoon. a chance of snow late in the morning. waves 3 to
5 feet subsiding to 1 to 3 feet. 
.wednesday...north winds 5 to 10 knots veering to the east until
early evening...then increasing to 10 to 15 knots by midnight.
waves 2 to 4 feet building to 3 to 5 feet by midnight. 
.thursday...northeast winds 10 to 15 knots becoming east 15 to
20 knots by midnight. a chance of rain . waves 5 to 7 feet. waves
occasionally around 10 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 010307
glflh 
expires:202603011115;;424484

open lake forecast for lake huron
national weather service detroit/pontiac mi
1007 pm 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...light snow this evening will give way to dry weather
and light winds for sunday as high pressure, 30.70 inches
arrives. moderate southwest flow on monday before a weak low
tracks through the northern ohio valley on tuesday, bringing
mainly rain over lake st. clair and lake erie.


lhz462>464-011115-
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-
1007 pm est sat feb 28 2026

.rest of tonight...north winds 10 to 15 knots. snow this evening.
.sunday...north winds 10 to 15 knots. 
.sunday night...north winds 5 to 10 knots veering to the
northeast by midnight...then veering to the south after midnight.
.monday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. 
.monday night...southeast winds 10 to 15 knots becoming south
5 to 10 knots after midnight. 
.tuesday...southeast winds 5 to 10 knots backing to the north
late in the afternoon. snow likely in the morning...then snow and
rain likely late in the morning. 
.wednesday...north winds 5 to 10 knots veering to the east. 
.thursday...northeast winds 5 to 10 knots becoming east 10 to
15 knots . a chance of rain. 

waves omitted due to ice coverage.

$$

fzus63 kmkx 010249
glflm 
expires:202603011030;;423767

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
849 pm 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...

modest north to northeast winds tonight will become light and 
variable sunday afternoon into sunday night as high pressure 
around 30.7 inches tracks from the northern great lakes to the
lower great lakes. breezy south winds will then develop on monday
in response to the high shifting east and low pressure moving
across far northern ontario. a weak cold front will then bring a
return of light northeast winds by tuesday afternoon. 
 


lmz080-669-671-673-675-777-779-870-872-874-876-878-011030-
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-
849 pm cst sat feb 28 2026

sheboygan wi to pentwater mi south...

.rest of tonight...northeast winds 15 to 20 kt diminishing to 10 
to 20 kt. slight chance of snow showers. waves 4 to 6 ft 
occasionally to 8 ft. 
.sunday...northeast winds 10 to 15 kt becoming north. slight 
chance of snow showers in the morning. waves 4 to 6 ft 
occasionally to 8 ft subsiding to 3 to 5 ft. 
.sunday night...northeast winds 10 to 15 kt veering to southeast.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.monday...southeast winds 15 to 25 kt. waves 3 to 5 ft building
to 4 to 6 ft occasionally to 8 ft. 
.monday night...southeast winds 10 to 20 kt diminishing to 10 to
15 kt. chance of rain and snow overnight. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.tuesday...southeast winds 5 to 10 kt becoming northeast. rain
and snow likely in the morning, then chance of rain in the
afternoon. waves 1 to 3 ft. 
.tuesday night...northeast winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.wednesday...east winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft. 
.thursday...east winds 10 to 15 kt becoming southeast. chance of
rain. waves 2 to 4 ft.  

$$

fzus63 kmkx 010249
glflm 
expires:202603011030;;423766

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
849 pm 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...

modest north to northeast winds tonight will become light and 
variable sunday afternoon into sunday night as high pressure 
around 30.7 inches tracks from the northern great lakes to the
lower great lakes. breezy south winds will then develop on monday
in response to the high shifting east and low pressure moving
across far northern ontario. a weak cold front will then bring a
return of light northeast winds by tuesday afternoon. 
 


lmz261-362-364-366-563-565-567-868-011030-
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-
849 pm cst sat feb 28 2026

sheboygan wi to pentwater mi north...

.rest of tonight...north winds 10 to 20 kt. slight chance of
light freezing rain and snow showers through early evening, then
slight chance of snow showers overnight. waves 3 to 5 ft. 
.sunday...north winds 10 to 15 kt becoming northwest 5 to 10 kt.
slight chance of snow showers in the morning. waves 3 to 5 ft
subsiding to 2 to 4 ft. 
.sunday night...northwest winds 5 to 10 kt backing to south.
waves 1 to 2 ft. 
.monday...south winds 15 to 25 kt increasing to 25 kt. waves 3 to
5 ft building to 4 to 7 ft occasionally to 9 ft.
.monday night...south winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to
6 ft occasionally to 8 ft. 
.tuesday...south winds 5 to 10 kt backing to northeast. chance of
snow in the morning, then chance of rain in the afternoon. waves
2 to 4 ft subsiding to 1 to 3 ft. 
.tuesday night...northeast winds 5 to 10 kt becoming east. waves
1 to 2 ft. 
.wednesday...southeast winds 10 to 15 kt becoming east. waves
1 to 2 ft. 
.thursday...east winds 10 to 20 kt. waves 1 to 3 ft.  

$$

fzus63 kmqt 010300
glfls 
expires:202603010900;;424021

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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...

30.6 inch high pressure over southern manitoba builds in from the 
northwest, becoming centered over upper michigan sunday afternoon. 
the high contnues its eastward march monday, reaching new england 
and remaining at 30.6 inches. a weak 30.1 inch trough slides over 
the lake on monday night into tuesday as a 29.6 inch low pressure 
pushes through hudson bay and 29.7 inch low pressure develops over 
colorado. meanwhile, a 30.4 inch high over northern manitoba on 
tuesday moves into northern ontario late tuesday. as the colorado 
low weakens as it approaches the southern great lakes basin 
wednesday and thursday, a 30.6 inch high pressure moves over the 
northern ontario hudson bay shoreline.



lsz266-010900-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
1000 pm est sat feb 28 2026

.rest of tonight...northwest winds 15 to 25 knots veering north
by midnight, then diminishing to 10 to 20 knots late. a chance of
snow showers. waves 3 to 6 feet occasionally to 8 feet subsiding
to 2 to 4 feet. 
.sunday...northwest winds 10 to 20 knots backing west by mid
afternoon. a chance of snow showers. waves subsiding to 1 to
3 feet. 
.sunday night...west winds 10 to 20 knots becoming southwest
15 to 25 knots late. waves building to 2 to 4 feet. 
.monday...south winds 15 to 25 knots. freezing spray in the
afternoon. waves building to 6 to 10 feet occasionally to
13 feet. 
.monday night...south gales to 35 knots veering southwest after
midnight. waves subsiding to 2 to 4 feet. 
.tuesday...southwest gales to 35 knots diminishing to 20 to
30 knots in the afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...west gales to 35 knots. waves building to 3 to
6 feet occasionally to 8 feet. 
.wednesday...west winds 20 to 30 knots backing south. waves
subsiding to 1 to 3 feet, then building to 7 to 10 feet
occasionally to 13 feet. 
.thursday...east winds 20 to 30 knots. a chance of snow showers.
waves subsiding to 5 to 8 feet occasionally to 10 feet, then
building to 6 to 9 feet occasionally to 11 feet. 

$$

fzus63 kmqt 010300
glfls 
expires:202603010900;;424022

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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...

30.6 inch high pressure over southern manitoba builds in from the 
northwest, becoming centered over upper michigan sunday afternoon. 
the high contnues its eastward march monday, reaching new england 
and remaining at 30.6 inches. a weak 30.1 inch trough slides over 
the lake on monday night into tuesday as a 29.6 inch low pressure 
pushes through hudson bay and 29.7 inch low pressure develops over 
colorado. meanwhile, a 30.4 inch high over northern manitoba on 
tuesday moves into northern ontario late tuesday. as the colorado 
low weakens as it approaches the southern great lakes basin 
wednesday and thursday, a 30.6 inch high pressure moves over the 
northern ontario hudson bay shoreline.



lsz267-010900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm est sat feb 28 2026

.rest of tonight...north winds 15 to 25 knots diminishing to
10 to 20 knots by midnight. a chance of snow showers. waves 3 to
6 feet occasionally to 8 feet subsiding to 2 to 4 feet. 
.sunday...north winds 5 to 15 knots veering southeast by late
morning, then veering west by mid afternoon. a chance of snow
showers. 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 by midnight. waves subsiding to calm to 2 feet, then
building to 2 to 4 feet. 
.monday...south winds 10 to 20 knots. waves building to 5 to
9 feet occasionally to 11 feet. 
.monday night...south winds 20 to 30 knots. waves subsiding to
2 to 4 feet. 
.tuesday...south winds 20 to 30 knots becoming southwest 15 to
25 knots in the afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...southwest winds 20 to 30 knots becoming west
gales to 35 knots after midnight. waves building to 3 to 6 feet
occasionally to 8 feet. 
.wednesday...west winds 20 to 30 knots backing south. waves
subsiding to 1 to 3 feet, then building to 4 to 7 feet
occasionally to 9 feet. 
.thursday...east winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of snow showers. waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 

$$

fzus63 kmqt 010300
glfls 
expires:202603010900;;424017

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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...

30.6 inch high pressure over southern manitoba builds in from the 
northwest, becoming centered over upper michigan sunday afternoon. 
the high contnues its eastward march monday, reaching new england 
and remaining at 30.6 inches. a weak 30.1 inch trough slides over 
the lake on monday night into tuesday as a 29.6 inch low pressure 
pushes through hudson bay and 29.7 inch low pressure develops over 
colorado. meanwhile, a 30.4 inch high over northern manitoba on 
tuesday moves into northern ontario late tuesday. as the colorado 
low weakens as it approaches the southern great lakes basin 
wednesday and thursday, a 30.6 inch high pressure moves over the 
northern ontario hudson bay shoreline.



lsz162-010900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm est sat feb 28 2026 /900 pm cst sat feb 28 2026/

.rest of tonight...north 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 southwest by mid
afternoon. waves calm to 2 feet. 
.sunday night...southeast winds 5 to 15 knots veering south by
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 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet. 
.monday night...southwest gales to 35 knots. waves subsiding to
calm to 2 feet. 
.tuesday...southwest winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. waves calm to 2 feet. 
.tuesday night...west winds 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 5 to 8 feet occasionally to 10 feet. 
.thursday...east winds 15 to 25 knots backing northeast. a chance
of snow showers. waves building to 6 to 9 feet occasionally to
11 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 010300
glfls 
expires:202603010900;;424018

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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...

30.6 inch high pressure over southern manitoba builds in from the 
northwest, becoming centered over upper michigan sunday afternoon. 
the high contnues its eastward march monday, reaching new england 
and remaining at 30.6 inches. a weak 30.1 inch trough slides over 
the lake on monday night into tuesday as a 29.6 inch low pressure 
pushes through hudson bay and 29.7 inch low pressure develops over 
colorado. meanwhile, a 30.4 inch high over northern manitoba on 
tuesday moves into northern ontario late tuesday. as the colorado 
low weakens as it approaches the southern great lakes basin 
wednesday and thursday, a 30.6 inch high pressure moves over the 
northern ontario hudson bay shoreline.



lsz263-010900-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
1000 pm est sat feb 28 2026

.rest of tonight...north winds 5 to 15 knots. a slight chance of.
waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots backing south by
midnight. waves calm to 2 feet. 
.monday...southwest winds 10 to 20 knots. waves building to 4 to
7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.monday night...southwest gales to 35 knots. waves subsiding to
calm to 2 feet. 
.tuesday...southwest winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. waves calm to 2 feet. 
.tuesday night...west winds 20 to 30 knots. waves building to
1 to 3 feet. 
.wednesday...west winds 20 to 30 knots backing east. waves
subsiding to calm to 2 feet, then building to 7 to 10 feet
occasionally to 13 feet. 
.thursday...east winds 20 to 30 knots becoming northeast 15 to
25 knots. waves building to 8 to 11 feet occasionally to 14 feet,
then subsiding to 5 to 8 feet occasionally to 10 feet. 

$$

fzus63 kmqt 010300
glfls 
expires:202603010900;;424019

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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...

30.6 inch high pressure over southern manitoba builds in from the 
northwest, becoming centered over upper michigan sunday afternoon. 
the high contnues its eastward march monday, reaching new england 
and remaining at 30.6 inches. a weak 30.1 inch trough slides over 
the lake on monday night into tuesday as a 29.6 inch low pressure 
pushes through hudson bay and 29.7 inch low pressure develops over 
colorado. meanwhile, a 30.4 inch high over northern manitoba on 
tuesday moves into northern ontario late tuesday. as the colorado 
low weakens as it approaches the southern great lakes basin 
wednesday and thursday, a 30.6 inch high pressure moves over the 
northern ontario hudson bay shoreline.



lsz264-010900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm est sat feb 28 2026

.rest of tonight...north winds 5 to 15 knots. a slight chance of.
waves 1 to 3 feet subsiding to calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.sunday night...west winds 5 to 15 knots backing southwest late.
waves building to 1 to 3 feet. 
.monday...southwest winds 10 to 20 knots. waves building to 5 to
9 feet occasionally to 11 feet. 
.monday night...southwest gales to 35 knots. waves subsiding to
2 to 4 feet. 
.tuesday...southwest gales to 35 knots becoming west 15 to
25 knots in the afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...west gales to 35 knots. waves building to 2 to
4 feet. 
.wednesday...northwest winds 20 to 30 knots veering east. waves
subsiding to 1 to 3 feet, then building to 7 to 10 feet
occasionally to 13 feet. 
.thursday...east winds 20 to 30 knots diminishing to 15 to
25 knots. waves building to 8 to 11 feet occasionally to 14 feet,
then subsiding to 5 to 8 feet occasionally to 10 feet. 

$$

fzus63 kmqt 010300
glfls 
expires:202603010900;;424020

open lake forecast for lake superior
national weather service marquette mi
1000 pm 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...

30.6 inch high pressure over southern manitoba builds in from the 
northwest, becoming centered over upper michigan sunday afternoon. 
the high contnues its eastward march monday, reaching new england 
and remaining at 30.6 inches. a weak 30.1 inch trough slides over 
the lake on monday night into tuesday as a 29.6 inch low pressure 
pushes through hudson bay and 29.7 inch low pressure develops over 
colorado. meanwhile, a 30.4 inch high over northern manitoba on 
tuesday moves into northern ontario late tuesday. as the colorado 
low weakens as it approaches the southern great lakes basin 
wednesday and thursday, a 30.6 inch high pressure moves over the 
northern ontario hudson bay shoreline.



lsz265-010900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm est sat feb 28 2026

.rest of tonight...northwest winds 10 to 20 knots. a slight
chance of. waves 1 to 3 feet. 
.sunday...northwest winds 10 to 20 knots backing west by mid
afternoon. waves subsiding to calm to 2 feet. 
.sunday night...west winds 10 to 20 knots backing southwest by
midnight. waves calm to 2 feet. 
.monday...southwest winds 15 to 25 knots backing south in the
afternoon. waves building to 2 to 4 feet, then subsiding 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 gales to 35 knots diminishing to 20 to
30 knots in the afternoon. waves calm to 2 feet. 
.tuesday night...west gales to 35 knots. waves calm to 2 feet. 
.wednesday...west winds 20 to 30 knots backing south. waves
building to 6 to 9 feet occasionally to 11 feet. 
.thursday...east winds 20 to 30 knots diminishing to 15 to
25 knots. a chance of snow showers. waves building to 7 to
10 feet occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 

$$