fzus61 kbuf 040903
glflo 
expires:202603041600;;599748

open lake forecast for lake ontario
national weather service buffalo ny
402 am est wed mar 4 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 30.2 inch high over michigan will slide across new 
york state today, then off the mid-atlantic coast tonight. a 30.0 
inch low will then track from the mid mississippi valley tonight to 
near lake erie thursday, across pennsylvania thursday night, then 
out to sea friday. another 29.6 inch low is then forecast to lift 
across the central great lakes saturday, with its trailing cold 
front crossing the lake saturday night, and a 29.9 inch high then 
sliding across the lower great lakes sunday.


loz064-065-041600-
lake ontario open waters from sodus bay to the saint lawrence
river-
402 am est wed mar 4 2026

.today...west winds 10 knots or less becoming southeast. patchy
fog this morning. waves 1 foot or less. 
.tonight...southeast winds 10 knots or less becoming northeast.
waves 1 foot or less. 
.thursday...northeast winds 5 to 15 knots increasing to 15 to
20 knots. a chance of rain in the afternoon. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday night...northeast winds 15 to 20 knots becoming east.
rain with freezing rain likely. waves 3 to 5 feet subsiding to
2 to 4 feet. 
.friday...east winds 10 to 15 knots becoming south and increasing
to 15 to 25 knots. rain showers friday night. waves 1 to 3 feet
building to 3 to 5 feet. 
.saturday...south winds 15 to 25 knots becoming west. rain
showers. waves 3 to 6 feet. 
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 3 to 5 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 

$$

fzus61 kbuf 040903
glflo 
expires:202603041600;;599747

open lake forecast for lake ontario
national weather service buffalo ny
402 am est wed mar 4 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 30.2 inch high over michigan will slide across new 
york state today, then off the mid-atlantic coast tonight. a 30.0 
inch low will then track from the mid mississippi valley tonight to 
near lake erie thursday, across pennsylvania thursday night, then 
out to sea friday. another 29.6 inch low is then forecast to lift 
across the central great lakes saturday, with its trailing cold 
front crossing the lake saturday night, and a 29.9 inch high then 
sliding across the lower great lakes sunday.


loz062-063-041600-
lake ontario open waters from the niagara river to sodus bay-
402 am est wed mar 4 2026

.today...west winds 10 knots or less becoming northeast. patchy
fog early. waves 1 foot or less. 
.tonight...east winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less. 
.thursday...east winds 10 to 15 knots becoming northeast and
increasing to 15 to 25 knots. a chance of rain in the afternoon.
waves 1 to 2 feet building to 4 to 7 feet. waves occasionally
around 9 feet. 
.thursday night...northeast winds 15 to 25 knots. rain. waves
5 to 8 feet subsiding to 3 to 6 feet. waves occasionally around
10 feet. 
.friday...east winds 5 to 15 knots becoming south 15 to 20 knots.
rain showers likely friday night. waves 2 to 4 feet. 
.saturday...southwest winds 15 to 25 knots becoming west. rain
showers. waves 3 to 6 feet building to 4 to 7 feet, then
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.sunday...southwest winds 15 to 25 knots. waves 3 to 6 feet. 

$$

fzus61 kcle 040740
glfle 
expires:202603041515;;596778

open lake forecast for lake erie
national weather service cleveland oh
240 am est wed mar 4 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 stalled frontal boundary will remain south of lake erie through
thursday night before lifting north across the lake on friday as 
low pressure 29.80 inches moves east into the western great 
lakes. the low will push a cold front east across lake erie 
saturday evening followed by a ridge averaging 30.10 inches on 
sunday.


lez061-167>169-041515-
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-
240 am est wed mar 4 2026

...dense fog advisory in effect until 11 am est this morning...

.today...light and variable winds. patchy dense fog. the lake is
mostly ice covered.
.tonight...east winds 10 knots or less becoming northeast. patchy
fog. a slight chance of rain late in the evening. a chance of
rain, a slight chance of freezing rain and snow after midnight. 
.thursday...northeast winds 5 to 15 knots increasing to 15 to
20 knots. patchy fog. rain.
.thursday night...northeast winds 15 to 20 knots diminishing to
5 to 15 knots. patchy fog in the evening. rain.
.friday...east winds 10 knots or less becoming south and
increasing to 15 to 20 knots. a chance of rain friday night. 
.saturday...southwest winds 15 to 20 knots becoming west 5 to
15 knots. rain during the day. 
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. 

waves omitted due to the lake being mostly ice covered.

$$

fzus61 kcle 040740
glfle 
expires:202603041515;;596776

open lake forecast for lake erie
national weather service cleveland oh
240 am est wed mar 4 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 stalled frontal boundary will remain south of lake erie through
thursday night before lifting north across the lake on friday as 
low pressure 29.80 inches moves east into the western great 
lakes. the low will push a cold front east across lake erie 
saturday evening followed by a ridge averaging 30.10 inches on 
sunday.


lez162-163-041515-
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-
240 am est wed mar 4 2026

...dense fog advisory in effect until 11 am est this morning...

.today...east winds 10 knots or less. areas of dense fog and
dense freezing fog early, then areas of dense fog late this
morning. patchy fog this afternoon. a slight chance of rain late.
waves in ice free areas 1 foot or less. 
.tonight...east winds 5 to 10 knots. patchy fog in the evening,
then areas of dense fog after midnight. a slight chance of rain
early, then a chance of rain from late evening on. waves 1 foot
or less. 
.thursday...east winds 5 to 15 knots becoming northeast. areas of
dense fog. rain. waves 2 feet or less. 
.thursday night...northeast winds 5 to 15 knots becoming east
less than 10 knots. patchy fog in the evening. rain in the
evening, then a chance of rain overnight. waves 2 feet or less. 
.friday...southeast winds 10 knots or less becoming southwest and
increasing to 15 to 20 knots. a chance of rain. waves 1 to
3 feet. 
.saturday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. rain during the day. waves 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 feet or less. 

wave heights are for ice free areas.

$$

fzus61 kcle 040740
glfle 
expires:202603041515;;596777

open lake forecast for lake erie
national weather service cleveland oh
240 am est wed mar 4 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 stalled frontal boundary will remain south of lake erie through
thursday night before lifting north across the lake on friday as 
low pressure 29.80 inches moves east into the western great 
lakes. the low will push a cold front east across lake erie 
saturday evening followed by a ridge averaging 30.10 inches on 
sunday.


lez164>166-041515-
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-
240 am est wed mar 4 2026

...dense fog advisory in effect until 11 am est this morning...

.today...northeast winds 10 knots or less. areas of dense fog and
dense freezing fog early, then areas of dense fog late this
morning. patchy fog this afternoon. a slight chance of rain late.
waves in ice free areas 1 foot or less. 
.tonight...east winds 5 to 10 knots. patchy fog through the early
overnight, then areas of dense fog late. a chance of rain in the
evening, then rain likely after midnight. waves 1 foot or less. 
.thursday...east winds 5 to 15 knots increasing to 15 to
20 knots. areas of dense fog. rain. waves 2 feet or less. 
.thursday night...northeast winds 15 to 20 knots becoming east
5 to 15 knots. patchy fog in the evening. rain. waves 2 feet or
less. 
.friday...southeast winds 10 knots or less becoming south and
increasing to 15 to 20 knots. a chance of rain friday night.
waves 1 foot or less building to 3 to 5 feet. 
.saturday...southwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. rain during the day. waves 3 to
6 feet subsiding to 1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 040859
glflh 
expires:202603041700;;599421

open lake forecast for lake huron
national weather service detroit/pontiac mi
359 am est wed mar 4 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 ridge of high pressure dominates the great lakes
through wednesday while a frontal boundary remains stalled in the
ohio valley. this front will be the focus for a weak low pressure
system to track into the southern great lakes on thursday. a
stronger low then moves into the western great lakes late friday,
with a cold front passing through on saturday.


lhz462>464-041700-
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-
359 am est wed mar 4 2026

.today...light and variable winds becoming south 5 to 10 knots
early in the afternoon...then becoming light and variable late in
the afternoon. patchy fog in the morning. 
.tonight...light and variable winds becoming east 5 to 10 knots
early in the morning. 
.thursday...east winds 5 to 10 knots becoming northeast 10 to
15 knots in the late morning and afternoon. rain likely in the
afternoon. 
.thursday night...northeast winds 10 to 15 knots becoming east
5 to 10 knots in the late evening and overnight. a chance of
rain. 
.friday...southeast winds 5 to 10 knots becoming south 15 to
20 knots. rain and a chance of thunderstorms late in the
afternoon. 
.saturday...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots . rain and a chance of thunderstorms early in the
morning...then rain likely in the late morning and early
afternoon. 
.sunday...southwest winds 15 to 20 knots. 

waves omitted due to ice coverage.

$$

fzus63 kdtx 040859
glflh 
expires:202603041700;;599420

open lake forecast for lake huron
national weather service detroit/pontiac mi
359 am est wed mar 4 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 ridge of high pressure dominates the great lakes
through wednesday while a frontal boundary remains stalled in the
ohio valley. this front will be the focus for a weak low pressure
system to track into the southern great lakes on thursday. a
stronger low then moves into the western great lakes late friday,
with a cold front passing through on saturday.


lhz361>363-041700-
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-
359 am est wed mar 4 2026

.today...southwest winds 5 to 10 knots backing to the south in
the afternoon. waves 2 feet or less. 
.tonight...southeast winds 5 to 10 knots backing to the east
early in the morning. waves 2 feet or less. 
.thursday...east winds 15 to 20 knots. a chance of rain in the
afternoon. waves 4 to 6 feet. 
.thursday night...northeast winds 15 to 20 knots becoming east
10 to 15 knots after midnight. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.friday...east winds 5 to 10 knots becoming southeast 10 to
15 knots late in the morning...then becoming south 15 to 20 knots
late in the afternoon. a chance of rain late in the morning. a
chance of thunderstorms late in the afternoon. rain late in the
afternoon. waves 2 to 4 feet building to 4 to 6 feet late in the
afternoon. waves occasionally around 8 feet. 
.saturday...southwest winds 15 to 20 knots veering to the west .
a chance of rain early in the morning. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.sunday...southwest winds 20 to 25 knots. gusts to 30 knots until
afternoon. waves 6 to 9 feet. waves occasionally around 12 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 040859
glfsc 
expires:202603041700;;599438

lake st clair forecast
national weather service detroit/pontiac mi
359 am est wed mar 4 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 ridge of high pressure dominates the great lakes
through wednesday while a frontal boundary remains stalled in the
ohio valley. this front will be the focus for a weak low pressure
system to track into the southern great lakes on thursday. a
stronger low then moves into the western great lakes late friday,
with a cold front passing through on saturday.


lcz460-041700-
lake st clair-
359 am est wed mar 4 2026

...dense fog advisory in effect until 10 am est this morning...

.today...light and variable winds. partly sunny. areas of dense fog
early in the morning. patchy dense fog late in the morning.
.tonight...east winds 5 to 10 knots. partly cloudy this evening
becoming mostly cloudy. a chance of light rain and freezing rain
after midnight. a chance of light rain early in the morning.
.thursday...northeast winds 5 to 10 knots becoming east 10 to 15
knots in the late morning and afternoon. a chance of rain early in
the morning...then rain in the late morning and afternoon.
.thursday night...east winds 5 to 10 knots. cloudy. light rain early
in the evening...then a chance of light rain by midnight.
.friday...southeast winds 5 to 10 knots becoming south 15 to 20
knots in the evening. mostly cloudy. a chance of light rain in the
afternoon and evening.
.saturday...northwest winds 15 to 20 knots. light rain and a chance
of thunderstorms.
.sunday...southwest winds 15 to 20 knots. mostly clear.

waves omitted due to ice coverage.

$$

fzus63 kmkx 040947
glflm 
expires:202603041630;;602028

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
347 am cst wed mar 4 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...
a west to east area of high pressure will remain extended across
southern lake michigan to the lower great lakes today. light and 
variable winds are expected. dense fog will linger until middle
morning for portions of the southern open waters of lake michigan,
but could linger into the afternoon and perhaps tonight.

light to modest easterly flow will then become established from
tonight into thursday night, as weak low pressure passes across 
the northern ohio river valley. 

low pressure around 29.5 inches will develop in the central 
plains thursday night, and track toward the upper mississippi 
river valley by friday evening. this low will move near or just 
north of lake michigan later friday night into saturday morning, 
quickly moving into quebec by saturday evening. 

as the low passes to the north, breezy southerly winds will 
develop for friday afternoon and night, then shifting northwest 
on saturday with the passage of the cold front. widespread rain 
and embedded thunderstorms will accompany the approaching and 
passing low friday into friday night.


lmz080-669-779-870-872-874-876-878-041630-
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 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-
347 am cst wed mar 4 2026

sheboygan wi to pentwater mi south...

.today...east winds 5 to 10 kt. patchy fog this morning. waves 1 
ft or less. 
.tonight...east winds 5 to 10 kt. patchy fog. slight chance of
rain in the evening, then chance of rain overnight. waves 1 to
2 ft. 
.thursday...east winds 10 to 15 kt becoming northeast. patchy fog
in the morning. rain in the morning, then chance of rain in the
afternoon. waves 1 to 3 ft. 
.thursday night...east winds 10 to 15 kt becoming southeast 5 to
10 kt. waves 1 to 3 ft. 
.friday...southeast winds 10 to 20 kt becoming south. chance of
rain in the morning, then rain in the afternoon. waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft. 
.friday night...south winds to 30 kt becoming southwest. rain.
waves 4 to 7 ft occasionally to 9 ft building to 5 to 8 ft
occasionally to 10 ft. 
.saturday...west winds to 30 kt becoming northwest 15 to 25 kt.
chance of rain. waves 5 to 8 ft occasionally to 10 ft subsiding
to 4 to 7 ft occasionally to 9 ft. 
.sunday...southwest winds to 30 kt. waves 6 to 9 ft occasionally
to 12 ft.  

$$

fzus63 kmkx 040947
glflm 
expires:202603041630;;602027

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
347 am cst wed mar 4 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...
a west to east area of high pressure will remain extended across
southern lake michigan to the lower great lakes today. light and 
variable winds are expected. dense fog will linger until middle
morning for portions of the southern open waters of lake michigan,
but could linger into the afternoon and perhaps tonight.

light to modest easterly flow will then become established from
tonight into thursday night, as weak low pressure passes across 
the northern ohio river valley. 

low pressure around 29.5 inches will develop in the central 
plains thursday night, and track toward the upper mississippi 
river valley by friday evening. this low will move near or just 
north of lake michigan later friday night into saturday morning, 
quickly moving into quebec by saturday evening. 

as the low passes to the north, breezy southerly winds will 
develop for friday afternoon and night, then shifting northwest 
on saturday with the passage of the cold front. widespread rain 
and embedded thunderstorms will accompany the approaching and 
passing low friday into friday night.


lmz671-673-675-777-041630-
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-
347 am cst wed mar 4 2026

port washington wi to whitehall mi south to wilmette harbor il to
st. joseph mi...

...dense fog advisory in effect until 9 am cst this morning...

.today...east winds 5 to 10 kt becoming northeast. widespread 
dense fog into this morning. waves 1 ft or less. 
.tonight...northeast winds 5 to 10 kt becoming east. patchy dense
fog in the evening, then patchy fog overnight. chance of rain
overnight. waves 1 to 2 ft. 
.thursday...east winds 10 to 15 kt becoming northeast. patchy fog
in the morning. rain in the morning, then chance of rain in the
afternoon. waves 1 to 3 ft. 
.thursday night...east winds 5 to 10 kt becoming southeast. waves
1 to 3 ft. 
.friday...southeast winds 10 to 20 kt becoming south. chance of
rain in the morning, then rain in the afternoon. waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft. 
.friday night...south winds 15 to 25 kt becoming southwest. rain.
waves 4 to 7 ft occasionally to 9 ft. 
.saturday...west winds 15 to 25 kt becoming northwest 10 to
20 kt. chance of rain. waves 4 to 7 ft occasionally to 9 ft
subsiding to 3 to 5 ft. 
.sunday...southwest winds to 30 kt diminishing to 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft.  

$$

fzus63 kmkx 040947
glflm 
expires:202603041630;;602026

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
347 am cst wed mar 4 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...
a west to east area of high pressure will remain extended across
southern lake michigan to the lower great lakes today. light and 
variable winds are expected. dense fog will linger until middle
morning for portions of the southern open waters of lake michigan,
but could linger into the afternoon and perhaps tonight.

light to modest easterly flow will then become established from
tonight into thursday night, as weak low pressure passes across 
the northern ohio river valley. 

low pressure around 29.5 inches will develop in the central 
plains thursday night, and track toward the upper mississippi 
river valley by friday evening. this low will move near or just 
north of lake michigan later friday night into saturday morning, 
quickly moving into quebec by saturday evening. 

as the low passes to the north, breezy southerly winds will 
develop for friday afternoon and night, then shifting northwest 
on saturday with the passage of the cold front. widespread rain 
and embedded thunderstorms will accompany the approaching and 
passing low friday into friday night.


lmz261-362-364-366-563-565-567-868-041630-
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-
347 am cst wed mar 4 2026

sheboygan wi to pentwater mi north...

.today...south winds 5 to 10 kt increasing to 10 to 15 kt. waves
1 ft or less. 
.tonight...south winds 5 to 10 kt backing to northeast 10 to
15 kt. patchy fog overnight. waves 1 ft or less. 
.thursday...east winds 10 to 20 kt becoming northeast 15 to
25 kt. patchy fog in the morning. chance of rain. waves 1 to 3 ft
building to 3 to 5 ft. 
.thursday night...east winds 15 to 25 kt becoming southeast 10 to
20 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.friday...southeast winds 10 to 20 kt. chance of rain in the
morning, then rain in the afternoon. waves 2 to 4 ft building to
4 to 6 ft occasionally to 8 ft. 
.friday night...south winds 15 to 25 kt becoming southwest. rain.
waves 5 to 8 ft occasionally to 10 ft. 
.saturday...west winds to 30 kt diminishing to 15 to 25 kt.
chance of rain. waves 5 to 8 ft occasionally to 10 ft subsiding
to 4 to 6 ft occasionally to 8 ft. 
.sunday...southwest gales to 35 kt. waves 7 to 10 ft occasionally
to 13 ft.  

$$

fzus63 kmqt 040900
glfls 
expires:202603042100;;599571

open lake forecast for lake superior
national weather service marquette mi
400 am est wed mar 4 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 30.1 inch trough will be over the lake today. meanwhile, a 30.6 
inch high will move from northern manitoba wednesday to quebec 
thursday morning, building to 30.7 inches late. the strong high will 
help keep a 29.9 inch low moving up from the southern plains to the 
south of the lower great lakes wednesday night, weakening to 30.1 
inches by thursday night. friday, a low pressure ejects out of the 
plains, reaching lake superior saturday morning at least at 29.7 
inches. behind the low, a 29.9 inch ridge builds over the lake on 
saturday night before a 29.1 inch low moves through northern ontario 
on sunday with troughing of 29.5 inches lingering over the lake 
through monday morning.



lsz265-042100-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am est wed mar 4 2026

.early this morning...southwest winds 5 to 15 knots. patchy fog.
waves calm to 2 feet. 
.today...south winds 5 to 15 knots increasing to 10 to 20 knots
by late morning, then backing east by mid afternoon. patchy fog.
waves calm to 2 feet. 
.tonight...northeast winds 10 to 20 knots becoming east 15 to
25 knots late. patchy fog. waves building to 5 to 8 feet
occasionally to 10 feet. 
.thursday...east winds 15 to 25 knots. patchy fog in the morning.
waves subsiding to 3 to 5 feet occasionally to 7 feet. 
.thursday night...southeast winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.friday...southeast winds 15 to 25 knots. rain showers likely in
the afternoon. waves 1 to 3 feet. 
.friday night...south winds 10 to 20 knots becoming west gales to
35 knots after midnight. rain showers likely. snow showers likely
after midnight. waves subsiding to calm to 2 feet, then building
to 2 to 4 feet. 
.saturday...west gales to 35 knots backing southwest. waves
subsiding to calm to 2 feet, then building to 2 to 4 feet. 
.sunday...west gales to 35 knots diminishing to 20 to 30 knots.
waves subsiding to 1 to 3 feet. 

$$

fzus63 kmqt 040900
glfls 
expires:202603042100;;599572

open lake forecast for lake superior
national weather service marquette mi
400 am est wed mar 4 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 30.1 inch trough will be over the lake today. meanwhile, a 30.6 
inch high will move from northern manitoba wednesday to quebec 
thursday morning, building to 30.7 inches late. the strong high will 
help keep a 29.9 inch low moving up from the southern plains to the 
south of the lower great lakes wednesday night, weakening to 30.1 
inches by thursday night. friday, a low pressure ejects out of the 
plains, reaching lake superior saturday morning at least at 29.7 
inches. behind the low, a 29.9 inch ridge builds over the lake on 
saturday night before a 29.1 inch low moves through northern ontario 
on sunday with troughing of 29.5 inches lingering over the lake 
through monday morning.



lsz266-042100-
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 am est wed mar 4 2026

.early this morning...west winds 5 to 15 knots. patchy fog. waves
calm to 2 feet. 
.today...south winds 10 to 20 knots. patchy fog. waves building
to 1 to 3 feet. 
.tonight...northeast winds 15 to 25 knots veering east by
midnight, then increasing to 20 to 30 knots late. patchy fog. a
slight chance of freezing drizzle after midnight. waves building
to 5 to 9 feet occasionally to 11 feet. 
.thursday...east winds 15 to 25 knots. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.thursday night...southeast winds 15 to 25 knots. waves subsiding
to 3 to 5 feet occasionally to 7 feet. 
.friday...south winds 15 to 25 knots backing southeast in the
afternoon. rain showers likely in the afternoon. waves subsiding
to 2 to 4 feet. 
.friday night...south winds 15 to 25 knots becoming northwest
gales to 40 knots after midnight. rain showers likely. snow
showers likely after midnight. waves building to 4 to 7 feet
occasionally to 9 feet. 
.saturday...northwest gales to 40 knots becoming southwest gales
to 35 knots. waves building to 7 to 10 feet occasionally to
13 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday...west gales to 35 knots diminishing to 20 to 30 knots.
waves subsiding to 4 to 7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 040900
glfls 
expires:202603042100;;599573

open lake forecast for lake superior
national weather service marquette mi
400 am est wed mar 4 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 30.1 inch trough will be over the lake today. meanwhile, a 30.6 
inch high will move from northern manitoba wednesday to quebec 
thursday morning, building to 30.7 inches late. the strong high will 
help keep a 29.9 inch low moving up from the southern plains to the 
south of the lower great lakes wednesday night, weakening to 30.1 
inches by thursday night. friday, a low pressure ejects out of the 
plains, reaching lake superior saturday morning at least at 29.7 
inches. behind the low, a 29.9 inch ridge builds over the lake on 
saturday night before a 29.1 inch low moves through northern ontario 
on sunday with troughing of 29.5 inches lingering over the lake 
through monday morning.



lsz267-042100-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am est wed mar 4 2026

.early this morning...west winds 5 to 15 knots. patchy fog. waves
calm to 2 feet. 
.today...southwest winds 5 to 15 knots backing south. patchy fog.
waves calm to 2 feet. 
.tonight...east winds 10 to 20 knots increasing to 15 to 25 knots
by midnight. patchy fog in the evening. waves building to 3 to
5 feet occasionally to 7 feet. 
.thursday...east winds 15 to 25 knots veering southeast by mid
afternoon. waves subsiding to 2 to 4 feet. 
.thursday night...southeast winds 15 to 25 knots. waves subsiding
to 1 to 3 feet, then building to 2 to 4 feet. 
.friday...southeast winds 15 to 25 knots. rain showers likely in
the afternoon. waves building to 2 to 4 feet. 
.friday night...south winds 15 to 25 knots becoming west 20 to
30 knots after midnight. rain showers. waves subsiding to 1 to
3 feet, then building to 4 to 7 feet occasionally to 9 feet. 
.saturday...west gales to 35 knots backing southwest. waves
building to 7 to 10 feet occasionally to 13 feet, then subsiding
to 3 to 6 feet occasionally to 8 feet. 
.sunday...southwest gales to 35 knots becoming west 20 to
30 knots. waves building to 7 to 10 feet occasionally to 13 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 040900
glfls 
expires:202603042100;;599568

open lake forecast for lake superior
national weather service marquette mi
400 am est wed mar 4 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 30.1 inch trough will be over the lake today. meanwhile, a 30.6 
inch high will move from northern manitoba wednesday to quebec 
thursday morning, building to 30.7 inches late. the strong high will 
help keep a 29.9 inch low moving up from the southern plains to the 
south of the lower great lakes wednesday night, weakening to 30.1 
inches by thursday night. friday, a low pressure ejects out of the 
plains, reaching lake superior saturday morning at least at 29.7 
inches. behind the low, a 29.9 inch ridge builds over the lake on 
saturday night before a 29.1 inch low moves through northern ontario 
on sunday with troughing of 29.5 inches lingering over the lake 
through monday morning.



lsz162-042100-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am est wed mar 4 2026 /300 am cst wed mar 4 2026/

.early this morning...southwest winds 5 to 15 knots. waves calm
to 2 feet. 
.today...southwest winds 5 to 15 knots backing south by late
morning, then becoming east 10 to 20 knots by mid afternoon. a
slight chance of drizzle and freezing drizzle in the morning.
waves calm to 2 feet. 
.tonight...northeast winds 15 to 25 knots increasing to 20 to
30 knots by midnight, then diminishing to 15 to 25 knots late. a
slight chance of drizzle and freezing drizzle after midnight.
waves calm to 2 feet. 
.thursday...east winds 15 to 25 knots. a slight chance of
freezing drizzle in the morning. waves calm to 2 feet. 
.thursday night...east winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots backing northeast in the
afternoon. a chance of rain showers in the morning, then rain
showers likely in the afternoon. waves calm to 2 feet. 
.friday night...north winds 10 to 20 knots becoming northwest
15 to 25 knots after midnight. a chance of rain showers. a chance
of snow showers after midnight. waves calm to 2 feet. 
.saturday...west winds 20 to 30 knots becoming southwest gales to
35 knots. waves calm to 2 feet. 
.sunday...southwest winds 20 to 30 knots diminishing to 15 to
25 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 040900
glfls 
expires:202603042100;;599569

open lake forecast for lake superior
national weather service marquette mi
400 am est wed mar 4 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 30.1 inch trough will be over the lake today. meanwhile, a 30.6 
inch high will move from northern manitoba wednesday to quebec 
thursday morning, building to 30.7 inches late. the strong high will 
help keep a 29.9 inch low moving up from the southern plains to the 
south of the lower great lakes wednesday night, weakening to 30.1 
inches by thursday night. friday, a low pressure ejects out of the 
plains, reaching lake superior saturday morning at least at 29.7 
inches. behind the low, a 29.9 inch ridge builds over the lake on 
saturday night before a 29.1 inch low moves through northern ontario 
on sunday with troughing of 29.5 inches lingering over the lake 
through monday morning.



lsz263-042100-
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 am est wed mar 4 2026

.early this morning...southwest winds less than 10 knots. patchy
fog. waves calm to 2 feet. 
.today...southwest winds 5 to 15 knots backing south by late
morning, then becoming northeast 10 to 20 knots by mid afternoon.
waves calm to 2 feet. 
.tonight...northeast winds 15 to 25 knots increasing to 20 to
30 knots by midnight. patchy fog. a slight chance of drizzle and
freezing drizzle. waves building to 5 to 8 feet occasionally to
10 feet. 
.thursday...east winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. a slight chance of freezing drizzle
and snow showers in the morning. waves subsiding to 3 to 6 feet
occasionally to 8 feet. 
.thursday night...east winds 10 to 20 knots veering southeast
after midnight. waves subsiding to 2 to 4 feet. 
.friday...southeast winds 5 to 15 knots. a chance of rain showers
in the morning, then rain showers likely in the afternoon. waves
subsiding to calm to 2 feet. 
.friday night...northwest winds 5 to 15 knots increasing to 15 to
25 knots after midnight. a chance of rain showers. a chance of
snow showers after midnight. waves calm to 2 feet. 
.saturday...west winds 20 to 30 knots becoming southwest gales to
35 knots. waves building to 1 to 3 feet. 
.sunday...west gales to 35 knots becoming southwest 15 to
25 knots. waves subsiding to calm to 2 feet. 

$$

fzus63 kmqt 040900
glfls 
expires:202603042100;;599570

open lake forecast for lake superior
national weather service marquette mi
400 am est wed mar 4 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 30.1 inch trough will be over the lake today. meanwhile, a 30.6 
inch high will move from northern manitoba wednesday to quebec 
thursday morning, building to 30.7 inches late. the strong high will 
help keep a 29.9 inch low moving up from the southern plains to the 
south of the lower great lakes wednesday night, weakening to 30.1 
inches by thursday night. friday, a low pressure ejects out of the 
plains, reaching lake superior saturday morning at least at 29.7 
inches. behind the low, a 29.9 inch ridge builds over the lake on 
saturday night before a 29.1 inch low moves through northern ontario 
on sunday with troughing of 29.5 inches lingering over the lake 
through monday morning.



lsz264-042100-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am est wed mar 4 2026

.early this morning...south winds less than 10 knots. patchy fog.
waves calm to 2 feet. 
.today...southeast winds 5 to 15 knots backing northeast by late
morning, then increasing to 10 to 20 knots by mid afternoon.
patchy fog. a slight chance of drizzle and freezing drizzle.
waves building to 1 to 3 feet. 
.tonight...northeast winds 15 to 25 knots increasing to 20 to
30 knots by midnight, then becoming east 15 to 25 knots late.
patchy fog. a slight chance of freezing drizzle. waves building
to 5 to 9 feet occasionally to 11 feet. 
.thursday...east winds 15 to 25 knots diminishing to 10 to
20 knots. patchy fog in the morning. a slight chance of freezing
drizzle and snow showers in the morning. waves subsiding to 3 to
6 feet occasionally to 8 feet. 
.thursday night...southeast winds 15 to 25 knots. waves subsiding
to 3 to 5 feet occasionally to 7 feet. 
.friday...southeast winds 10 to 20 knots. a chance of rain
showers. waves subsiding to 2 to 4 feet. 
.friday night...south winds 10 to 20 knots becoming northwest
gales to 35 knots after midnight. a chance of rain showers. a
chance of snow showers after midnight. waves building to 3 to
6 feet occasionally to 8 feet. 
.saturday...west gales to 35 knots backing southwest. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
7 to 10 feet occasionally to 13 feet. 
.sunday...west gales to 35 knots diminishing to 15 to 25 knots.
waves subsiding to 2 to 4 feet. 

$$