fzus63 kdtx 032045
glflh 
expires:202603040500;;571567

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm est tue mar 3 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
tonight and 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>363-040500-
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-
345 pm est tue mar 3 2026

.tonight...light and variable winds becoming southwest 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.wednesday...west winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southeast 5 to
10 knots in the afternoon. waves 2 feet or less. 
.wednesday night...southeast winds 5 to 10 knots backing to the
east after midnight. waves 2 feet or less. 
.thursday...east winds 10 to 15 knots increasing to 15 to
20 knots early in the afternoon. a chance of rain in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon. 
.thursday night...northeast winds 15 to 20 knots becoming east
10 to 15 knots in the late evening and overnight. waves 3 to
5 feet. 
.friday...east winds 10 to 15 knots becoming south 15 to 20 knots
late in the evening. a chance of rain late in the morning. rain
late in the afternoon. a chance of thunderstorms late in the
evening. waves 2 to 4 feet building to 3 to 5 feet late in the
afternoon. 
.saturday...south winds 15 to 20 knots becoming west 10 to
15 knots early in the evening...then increasing to 15 to 20 knots
by midnight. rain likely and a chance of thunderstorms early in
the morning...then a chance of rain in the late morning and early
afternoon. waves 3 to 5 feet. 
.sunday...southwest winds 20 to 25 knots decreasing to 15 to
20 knots early in the evening...then increasing to 20 to 25 knots
by midnight. waves 5 to 7 feet. waves occasionally around
10 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 032045
glflh 
expires:202603040500;;571568

open lake forecast for lake huron
national weather service detroit/pontiac mi
345 pm est tue mar 3 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
tonight and 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>464-040500-
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-
345 pm est tue mar 3 2026

.tonight...light and variable winds. patchy fog after midnight. 
.wednesday...light and variable winds. patchy fog in the morning.
.wednesday night...east winds 5 to 10 knots. 
.thursday...east winds 5 to 10 knots. rain likely in the
afternoon. 
.thursday night...northeast winds 10 to 15 knots decreasing to
5 to 10 knots in the late evening and overnight. a chance of
rain. 
.friday...east winds 5 to 10 knots veering to the south late in
the morning...then increasing to 10 to 15 knots late in the
afternoon increasing to 15 to 20 knots late in the evening. rain
and a chance of thunderstorms late in the afternoon. 
.saturday...south winds 15 to 20 knots becoming west 10 to
15 knots . a chance of thunderstorms early in the morning. rain
likely early in the morning...then a chance of rain early in the
evening. 
.sunday...southwest winds 15 to 20 knots. 

waves omitted due to ice coverage.

$$

fzus63 kdtx 031433
glflh 
expires:202603032245;;556402

open lake forecast for lake huron
national weather service detroit/pontiac mi
933 am est tue mar 3 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...an area of troughing extends eastward through the ohio
valley offering potential for a bit of freezing drizzle across
parts of lake st. clair and western erie early this morning
before changing over to liquid rain midday. dry weather and light
winds return wednesday morning as high pressure briefly spills
across lower michigan. winds pick back up by thursday as a rain
producing warm low lifts into the south while canadian high
pressure builds into james bay.


lhz362-363-032245-
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-
933 am est tue mar 3 2026

.rest of today...south winds 5 to 10 knots in the late morning
and early afternoon becoming light and variable. waves 2 feet or
less. 
.tonight...light and variable winds becoming southwest 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.wednesday...west winds 5 to 10 knots backing to the south in the
late morning and afternoon. waves 2 feet or less. 
.wednesday night...southeast winds 5 to 10 knots. waves 2 feet or
less. 
.thursday...east winds 10 to 15 knots increasing to 15 to
20 knots late in the morning...then becoming northeast 10 to
15 knots late in the evening. a chance of rain. waves 2 to 4 feet
building to 4 to 6 feet. waves occasionally around 8 feet. 
.friday...east winds 10 to 15 knots decreasing to 5 to 10 knots
in the late morning and early afternoon...then becoming southeast
10 to 15 knots early in the evening becoming south 15 to 20 knots
by midnight. a chance of rain in the late morning and early
afternoon. rain. waves 2 to 4 feet subsiding to 1 to 3 feet in
the late morning and early afternoon...then building to 2 to
4 feet early in the evening building to 4 to 6 feet by midnight.
waves occasionally around 8 feet. 
.saturday...south winds 15 to 20 knots veering to the west . rain
likely early in the morning. a chance of rain in the late morning
and early afternoon. waves 5 to 7 feet. waves occasionally around
10 feet. 

wave heights are for ice free areas.

$$

fzus63 kdtx 031433
glflh 
expires:202603032245;;556401

open lake forecast for lake huron
national weather service detroit/pontiac mi
933 am est tue mar 3 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...an area of troughing extends eastward through the ohio
valley offering potential for a bit of freezing drizzle across
parts of lake st. clair and western erie early this morning
before changing over to liquid rain midday. dry weather and light
winds return wednesday morning as high pressure briefly spills
across lower michigan. winds pick back up by thursday as a rain
producing warm low lifts into the south while canadian high
pressure builds into james bay.


lhz361-032245-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
933 am est tue mar 3 2026

.rest of today...south winds 5 to 10 knots in the late morning
and early afternoon becoming light and variable. waves 2 feet or
less. 
.tonight...light and variable winds becoming west 5 to 10 knots
in the late evening and overnight. waves 2 feet or less. 
.wednesday...southwest winds 5 to 10 knots backing to the
southeast early in the afternoon. waves 2 feet or less. 
.wednesday night...southeast winds 5 to 10 knots backing to the
east after midnight. waves 2 feet or less. 
.thursday...east winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.friday...east winds 10 to 15 knots. a chance of rain in the late
morning and early afternoon. rain. waves 2 to 4 feet subsiding to
1 to 3 feet in the late morning and early afternoon...then
building to 2 to 4 feet . 
.saturday...south winds 15 to 20 knots veering to the west . rain
likely early in the morning. a chance of rain in the late morning
and early afternoon. waves 2 to 4 feet subsiding to 1 to 3 feet .

wave heights are for ice free areas.

$$

fzus63 kmkx 032106
glflm 
expires:202603040430;;572413

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
306 pm cst tue mar 3 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...

there are some lingering areas of patchy drizzle across the
southern half of the lake this afternoon. the patchy drizzle will
move east out of the region by this evening. light and variable
winds are expected as weak high pressure around 30.3 inches
develops over the area. 

light east to southeast wind are expected wednesday across the
lake ahead of an approaching low pressure around 29.9 inches from
the mid mississippi river valley. this low will pass just to the 
south of lake michigan wednesday night into thursday, allowing for
east to northeast winds to become established. rain showers will 
spread north across the open waters as the low pressure system 
passes. a few thunderstorms are possible over far southern lake 
michigan thursday. 

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, south to southwest winds will steadily increase 
friday afternoon into saturday morning, ultimately veering 
westerly saturday afternoon. winds will be gusty at times during 
this period, with a few gales possible friday night into saturday 
morning. widespread rain and embedded thunderstorms will accompany
the approaching and passing low friday through saturday.


lmz261-362-364-366-563-565-567-868-040430-
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-
306 pm cst tue mar 3 2026

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 15 kt diminishing to 5 to 10 kt.
patchy fog overnight. waves 1 to 2 ft. 
.wednesday...southwest winds 5 to 10 kt becoming south. waves
1 ft or less. 
.wednesday night...south winds 5 to 10 kt backing to northeast.
waves 1 to 2 ft. 
.thursday...northeast winds 10 to 20 kt increasing to 15 to
25 kt. chance of rain. waves 2 to 4 ft. 
.thursday night...east winds 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 1 to 3 ft building to
3 to 5 ft. 
.friday night...south winds 15 to 25 kt becoming southwest. rain.
waves 6 to 9 ft occasionally to 12 ft. 
.saturday...west winds 15 to 25 kt diminishing to 10 to 20 kt.
chance of rain. waves 6 to 9 ft occasionally to 12 ft. 
.sunday...southwest winds to 30 kt. waves 7 to 10 ft occasionally
to 13 ft.  

$$

fzus63 kmkx 032106
glflm 
expires:202603040430;;572414

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
306 pm cst tue mar 3 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...

there are some lingering areas of patchy drizzle across the
southern half of the lake this afternoon. the patchy drizzle will
move east out of the region by this evening. light and variable
winds are expected as weak high pressure around 30.3 inches
develops over the area. 

light east to southeast wind are expected wednesday across the
lake ahead of an approaching low pressure around 29.9 inches from
the mid mississippi river valley. this low will pass just to the 
south of lake michigan wednesday night into thursday, allowing for
east to northeast winds to become established. rain showers will 
spread north across the open waters as the low pressure system 
passes. a few thunderstorms are possible over far southern lake 
michigan thursday. 

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, south to southwest winds will steadily increase 
friday afternoon into saturday morning, ultimately veering 
westerly saturday afternoon. winds will be gusty at times during 
this period, with a few gales possible friday night into saturday 
morning. widespread rain and embedded thunderstorms will accompany
the approaching and passing low friday through saturday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-040430-
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-
306 pm cst tue mar 3 2026

sheboygan wi to pentwater mi south...

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

$$

fzus63 kmqt 032100
glfls 
expires:202603040900;;571847

open lake forecast for lake superior
national weather service marquette mi
400 pm est tue mar 3 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 remain over the lake this afternoon with 
ridging of 30.2 inches building in tonight. 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, wewakening 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.



lsz267-040900-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm est tue mar 3 2026

.late this afternoon...southwest winds 10 to 20 knots. a slight
chance of rain and snow showers. waves calm to 2 feet. 
.tonight...west winds 10 to 20 knots diminishing to 5 to 15 knots
late. a slight chance of rain showers, possibly mixed with
freezing rain and snow showers in the evening. waves calm to
2 feet. 
.wednesday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves calm to 2 feet. 
.wednesday night...south winds 10 to 20 knots backing southeast
late. waves building to 1 to 3 feet. 
.thursday...east winds 10 to 20 knots. waves 1 to 3 feet. 
.thursday night...east winds 15 to 25 knots veering southeast
after midnight. waves 1 to 3 feet. 
.friday...southeast winds 15 to 25 knots. a chance of rain
showers in the afternoon. waves 1 to 3 feet. 
.friday night...southeast winds 15 to 25 knots veering south
after midnight. rain showers. waves building to 3 to 6 feet
occasionally to 8 feet. 
.saturday...west winds 15 to 25 knots becoming southwest 20 to
30 knots. a chance of rain showers. waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.sunday...southwest winds 20 to 30 knots veering west. a chance
of rain showers, possibly mixed with snow. waves subsiding to
5 to 8 feet occasionally to 10 feet, then building to 8 to
11 feet occasionally to 14 feet. 

$$

fzus63 kmqt 032100
glfls 
expires:202603040900;;571842

open lake forecast for lake superior
national weather service marquette mi
400 pm est tue mar 3 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 remain over the lake this afternoon with 
ridging of 30.2 inches building in tonight. 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, wewakening 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.



lsz162-040900-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm est tue mar 3 2026 /300 pm cst tue mar 3 2026/

.late this afternoon...west winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...west winds 5 to 15 knots backing southwest by
midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.wednesday night...south winds 10 to 20 knots backing northeast
by midnight, then increasing to 15 to 25 knots late. waves calm
to 2 feet. 
.thursday...northeast winds 15 to 25 knots. 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 increasing to 10 to 20 knots
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...northeast winds 10 to 20 knots backing north
after midnight. a chance of rain showers. a chance of snow
showers after midnight. waves calm to 2 feet. 
.saturday...west winds 15 to 25 knots becoming southwest 20 to
30 knots. waves calm to 2 feet. 
.sunday...southwest winds 15 to 25 knots veering west. waves calm
to 2 feet. 

$$

fzus63 kmqt 032100
glfls 
expires:202603040900;;571843

open lake forecast for lake superior
national weather service marquette mi
400 pm est tue mar 3 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 remain over the lake this afternoon with 
ridging of 30.2 inches building in tonight. 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, wewakening 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.



lsz263-040900-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 pm est tue mar 3 2026

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

$$

fzus63 kmqt 032100
glfls 
expires:202603040900;;571844

open lake forecast for lake superior
national weather service marquette mi
400 pm est tue mar 3 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 remain over the lake this afternoon with 
ridging of 30.2 inches building in tonight. 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, wewakening 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.



lsz264-040900-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm est tue mar 3 2026

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

$$

fzus63 kmqt 032100
glfls 
expires:202603040900;;571845

open lake forecast for lake superior
national weather service marquette mi
400 pm est tue mar 3 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 remain over the lake this afternoon with 
ridging of 30.2 inches building in tonight. 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, wewakening 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.



lsz265-040900-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm est tue mar 3 2026

.late this afternoon...west winds 10 to 20 knots. a slight chance
of rain and snow showers. waves calm to 2 feet. 
.tonight...northwest winds 10 to 20 knots becoming west 5 to
15 knots late. waves calm to 2 feet. 
.wednesday...south winds 5 to 15 knots increasing to 10 to
20 knots. patchy fog in the morning. waves calm to 2 feet. 
.wednesday night...southeast winds 10 to 20 knots backing
northeast by midnight. waves building to 1 to 3 feet. 
.thursday...east winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.thursday night...east winds 15 to 25 knots veering southeast
after midnight. waves subsiding to 2 to 4 feet. 
.friday...southeast winds 15 to 25 knots. a chance of rain
showers in the afternoon. waves subsiding to 1 to 3 feet. 
.friday night...southeast winds 15 to 25 knots veering west after
midnight. rain showers likely in the evening, then a chance of
rain showers after midnight. waves building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.saturday...northwest winds 20 to 30 knots backing southwest.
waves building to 2 to 4 feet, then subsiding to calm to 2 feet. 
.sunday...southwest winds 20 to 30 knots veering west. waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet. 

$$

fzus63 kmqt 032100
glfls 
expires:202603040900;;571846

open lake forecast for lake superior
national weather service marquette mi
400 pm est tue mar 3 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 remain over the lake this afternoon with 
ridging of 30.2 inches building in tonight. 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, wewakening 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.



lsz266-040900-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 pm est tue mar 3 2026

.late this afternoon...west winds 10 to 20 knots. a slight chance
of rain and snow showers. waves calm to 2 feet. 
.tonight...west winds 10 to 20 knots veering northwest by
midnight, then backing west late. a slight chance of rain showers
in the evening. waves calm to 2 feet. 
.wednesday...south winds 10 to 20 knots. patchy fog in the
morning. waves calm to 2 feet. 
.wednesday night...south winds 10 to 20 knots increasing to 15 to
25 knots by midnight, then backing east late. waves building to
3 to 5 feet occasionally to 7 feet. 
.thursday...east winds 15 to 25 knots. waves 3 to 5 feet
occasionally to 7 feet. 
.thursday night...east winds 15 to 25 knots veering southeast
after midnight. waves 3 to 5 feet occasionally to 7 feet. 
.friday...southeast winds 15 to 25 knots. a chance of rain
showers in the afternoon. waves subsiding to 2 to 4 feet. 
.friday night...southeast winds 15 to 25 knots becoming west
20 to 30 knots after midnight. rain showers likely. waves
building to 4 to 7 feet occasionally to 9 feet. 
.saturday...northwest winds 20 to 30 knots backing southwest.
waves building to 5 to 8 feet occasionally to 10 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet. 
.sunday...southwest winds 20 to 30 knots veering west. waves
subsiding to 5 to 8 feet occasionally to 10 feet, then building
to 8 to 11 feet occasionally to 14 feet. 

$$