fzus63 kdtx 090155
glflh 
expires:202603091000;;872839

open lake forecast for lake huron
national weather service detroit/pontiac mi
955 pm edt sun mar 8 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...another low, 29.20 inches, tracks over northern
ontario monday bringing moderate to strong southwesterly winds to
the central great lakes. a brief break in the active pattern
develops late monday through tuesday before deepening plains low
pressure reaches the great lakes midweek.


lhz361-091000-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
955 pm edt sun mar 8 2026

.rest of tonight...southwest winds 10 to 15 knots becoming south
15 to 20 knots early in the morning. waves 3 to 5 feet. 
.monday...southwest winds 15 to 20 knots with gusts to around
30 knots becoming west 10 to 15 knots late in the afternoon.
waves 4 to 6 feet. waves occasionally around 8 feet. 
.monday night...northwest winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 2 feet or less in the late evening and overnight. 
.tuesday...northeast winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday night...northeast winds 10 to 15 knots increasing to
20 to 25 knots with gusts to around 30 knots. a chance of rain...
snow and freezing rain in the evening...then freezing rain
likely...a chance of snow and rain after midnight. waves 2 to
4 feet building to 6 to 9 feet in the late evening and overnight.
waves occasionally around 12 feet. 
.wednesday...northeast winds 20 to 25 knots with gusts to around
30 knots decreasing to 15 to 20 knots late in the morning...then
becoming north 20 to 25 knots late in the afternoon. freezing
rain and sleet likely. snow likely. waves 6 to 9 feet. waves
occasionally around 12 feet. 
.thursday...northwest winds 20 to 25 knots decreasing to 15 to
20 knots until early evening...then becoming southeast 20 to
25 knots with gusts to around 30 knots by midnight. snow likely
by midnight. waves 6 to 9 feet. waves occasionally around
12 feet. 
.friday...southeast winds to 30 knots with gusts to 40 knot gales
increasing to 35 knot gales in the late morning and early
afternoon...then becoming northeast 20 to 25 knots with gusts to
around 30 knots early in the evening becoming north to 30 knots
by midnight. snow likely early in the morning. a chance of rain
until afternoon. a chance of snow until early evening. waves
12 to 16 feet subsiding to 8 to 12 feet . waves occasionally
around 20 feet. a gale warning may be needed. 

wave heights are for ice free areas.

$$

fzus63 kdtx 090155
glflh 
expires:202603091000;;872840

open lake forecast for lake huron
national weather service detroit/pontiac mi
955 pm edt sun mar 8 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...another low, 29.20 inches, tracks over northern
ontario monday bringing moderate to strong southwesterly winds to
the central great lakes. a brief break in the active pattern
develops late monday through tuesday before deepening plains low
pressure reaches the great lakes midweek.


lhz362-363-091000-
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-
955 pm edt sun mar 8 2026

.rest of tonight...southwest winds 15 to 20 knots. waves 5 to
7 feet. waves occasionally around 10 feet. 
.monday...southwest winds 20 to 25 knots decreasing to 10 to
15 knots. waves 5 to 7 feet. waves occasionally around 10 feet. 
.monday night...north winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and overnight. waves 3 to 5 feet
subsiding to 1 to 3 feet after midnight. 
.tuesday...northeast winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet in the late morning and afternoon. 
.tuesday night...northeast winds 15 to 20 knots increasing to
20 to 25 knots with gusts to around 30 knots after midnight. a
chance of rain in the evening...then rain and freezing rain after
midnight. waves 5 to 7 feet building to 8 to 12 feet after
midnight. waves occasionally around 15 feet. 
.wednesday...northeast winds 20 to 25 knots becoming northwest to
30 knots late in the evening. rain with freezing rain likely.
snow likely. rain likely late in the afternoon. waves 10 to
14 feet. waves occasionally around 18 feet. 
.thursday...northwest winds 20 to 25 knots with gusts to around
30 knots becoming west 15 to 20 knots early in the evening...then
becoming south 20 to 25 knots with gusts to around 30 knots by
midnight. a chance of. waves 8 to 12 feet. waves occasionally
around 15 feet. 
.friday...southeast winds to 30 knots becoming south at 35 knot
gales in the late morning and early afternoon...then becoming
northeast to 30 knots early in the evening backing to the
northwest by midnight. gusts to 40 knot gales until afternoon. a
chance of snow and rain. waves 12 to 16 feet. waves occasionally
around 20 feet. a gale warning may be needed. 

wave heights are for ice free areas.

$$

fzus63 kdtx 090155
glflh 
expires:202603091000;;872841

open lake forecast for lake huron
national weather service detroit/pontiac mi
955 pm edt sun mar 8 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...another low, 29.20 inches, tracks over northern
ontario monday bringing moderate to strong southwesterly winds to
the central great lakes. a brief break in the active pattern
develops late monday through tuesday before deepening plains low
pressure reaches the great lakes midweek.


lhz462>464-091000-
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-
955 pm edt sun mar 8 2026

.rest of tonight...south winds 10 to 15 knots increasing to 15 to
20 knots after midnight. waves 3 to 5 feet. 
.monday...south winds 15 to 20 knots decreasing to 10 to 15 knots
late in the afternoon. waves 3 to 5 feet. 
.monday night...south winds 5 to 10 knots backing to the
northeast in the late evening and overnight. waves 1 to 3 feet. 
.tuesday...north winds 5 to 10 knots increasing to 10 to 15 knots
early in the afternoon. waves 1 to 3 feet. 
.tuesday night...northeast winds 10 to 15 knots. rain likely in
the evening...then rain after midnight. waves 3 to 5 feet. 
.wednesday...northeast winds 15 to 20 knots with gusts to around
30 knots becoming north 20 to 25 knots with gusts to around
30 knots late in the afternoon...then becoming northwest to
30 knots late in the evening. rain with snow likely...then rain
likely and a chance of snow late in the afternoon. waves 5 to
7 feet building to 8 to 12 feet late in the afternoon. waves
occasionally around 15 feet. 
.thursday...northwest winds 20 to 25 knots with gusts to around
30 knots decreasing to 10 to 15 knots early in the evening...then
becoming southwest 15 to 20 knots with gusts to around 30 knots
by midnight. a chance of snow early in the morning. waves 6 to
9 feet. waves occasionally around 12 feet. 
.friday...south winds to 30 knots with gusts to 40 knot gales
becoming west 20 to 25 knots with gusts to around 30 knots . a
chance of snow and rain. waves 8 to 12 feet. waves occasionally
around 15 feet. 

wave heights are for ice free areas.

$$

fzus63 kmkx 090205
glflm 
expires:202603090930;;873440

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
905 pm cdt sun mar 8 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...

winds will remain gusty and southwesterly overnight into monday 
as low pressure of 29.1 inches progresses eastward across lake
superior. a few gales are possible monday morning (particularly
over the northern third of lake michigan) as low pressure makes 
its closest approach. high pressure then builds in briefly monday
afternoon, allowing for lighter and variable winds, before a cold
front brings gusty northeasterly winds monday night into tuesday.

low pressure around 29.6 inches then develops in the central 
plains and progresses northeastward into northern illinois 
tuesday night, keeping winds northeasterly and gusty, with some 
potential for isolated thunderstorms across the southern third 
of the lake. low pressure ejects northeastward into wednesday 
morning, turning winds northwesterly. north to northwest gales 
are possible wednesday morning through wednesday afternoon. winds 
gradually diminish into thursday morning.


lmz080-669-671-673-675-777-779-870-872-874-876-878-090930-
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-
905 pm cdt sun mar 8 2026

sheboygan wi to pentwater mi south...

.rest of tonight...southwest winds 15 to 25 kt increasing to
30 kt. waves 4 to 6 ft occasionally to 8 ft building to 6 to 9 ft
occasionally to 12 ft. 
.monday...southwest winds to 30 kt becoming south 10 to 20 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.monday night...south winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 2 to 4 ft building to 3 to 5 ft. 
.tuesday...northwest winds 10 to 20 kt veering to northeast 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft. 
.tuesday night...northeast winds 15 to 25 kt becoming north to
30 kt. rain, chance of showers and thunderstorms in the evening,
then rain with a chance of thunderstorms overnight. waves 6 to
9 ft occasionally to 12 ft. 
.wednesday...north gales to 40 kt becoming northwest. rain with
snow likely in the morning, then chance of snow in the afternoon.
waves 12 to 16 ft occasionally to 21 ft. 
.wednesday night...northwest gales to 40 kt diminishing to 30 kt.
chance of snow. waves 12 to 16 ft occasionally to 21 ft. 
.thursday...northwest winds to 30 kt backing to southwest 15 to
25 kt. waves 8 to 12 ft occasionally to 16 ft subsiding to 5 to
8 ft occasionally to 10 ft. 
.friday...west gales to 45 kt diminishing to gales to 40 kt.
chance of rain and snow. waves 12 to 16 ft occasionally to 21 ft.
 

$$

fzus63 kmkx 090205
glflm 
expires:202603090930;;873439

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
905 pm cdt sun mar 8 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...

winds will remain gusty and southwesterly overnight into monday 
as low pressure of 29.1 inches progresses eastward across lake
superior. a few gales are possible monday morning (particularly
over the northern third of lake michigan) as low pressure makes 
its closest approach. high pressure then builds in briefly monday
afternoon, allowing for lighter and variable winds, before a cold
front brings gusty northeasterly winds monday night into tuesday.

low pressure around 29.6 inches then develops in the central 
plains and progresses northeastward into northern illinois 
tuesday night, keeping winds northeasterly and gusty, with some 
potential for isolated thunderstorms across the southern third 
of the lake. low pressure ejects northeastward into wednesday 
morning, turning winds northwesterly. north to northwest gales 
are possible wednesday morning through wednesday afternoon. winds 
gradually diminish into thursday morning.


lmz261-362-364-366-563-565-567-868-090930-
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-
905 pm cdt sun mar 8 2026

sheboygan wi to pentwater mi north...

.rest of tonight...south winds 15 to 25 kt becoming southwest
gales to 35 kt. slight chance of rain showers through early
evening. waves 4 to 7 ft occasionally to 9 ft building to 6 to
9 ft occasionally to 12 ft. 
.monday...southwest winds to 30 kt diminishing to 10 to 15 kt.
waves 6 to 9 ft occasionally to 12 ft subsiding to 3 to 5 ft. 
.monday night...northeast winds 10 to 15 kt increasing to 15 to
25 kt. waves 4 to 6 ft occasionally to 8 ft. 
.tuesday...northeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 4 to 6 ft occasionally to 8 ft building to 4 to 7 ft
occasionally to 9 ft. 
.tuesday night...northeast winds to 30 kt. chance of rain, light
freezing rain and snow in the evening, then rain, light freezing
rain and snow likely overnight. waves 7 to 10 ft occasionally to
13 ft. 
.wednesday...northeast gales to 35 kt becoming north gales to
40 kt. snow and rain likely in the morning, then snow likely in
the afternoon. waves 10 to 14 ft occasionally to 18 ft. 
.wednesday night...north gales to 40 kt becoming northwest to
30 kt. freezing spray. chance of snow. waves 10 to 14 ft
occasionally to 18 ft. 
.thursday...northwest winds 15 to 25 kt becoming west. freezing
spray. waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to
7 ft occasionally to 9 ft. 
.friday...west gales to 45 kt becoming northwest gales to 35 kt.
snow and rain likely. waves 12 to 16 ft occasionally to 21 ft
subsiding to 8 to 12 ft occasionally to 16 ft.  

$$

fzus63 kmqt 090201
glfls 
expires:202603090800;;873152

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt sun mar 8 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.0 inch low moves into northwest quebec tonight into monday as a 
secondary 29.2 inch low trails behind near the northern shores of 
lake superior. the low exits the area monday afternoon before being 
replaced by a 30.4 inch high over northern ontario tuesday. the high 
slowly moves into quebec tuesday night as 29.6 low pressure moves 
into the lower midwest. this low moves through the lower great lakes 
wednesday at 29.5 inches. thursday, lake superior will be situated 
between a 29.3 inch low over southern quebec, a 29.4 inch low over 
north dakota, a 30.3 inch high over the lower mississippi river 
valley, and a 30.1 inch ridge over hudson bay. the dakotas low 
arrives near the lake friday morning, then moves near the lower 
great lakes friday night. a 30.2 inch ridge will then follow across 
the upper great lakes saturday.



lsz264-090800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt sun mar 8 2026

...gale warning in effect from 5 am edt monday through monday
afternoon...

.rest of tonight...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight, then becoming west 20 to 30 knots
late. a chance of rain showers. waves 3 to 6 feet occasionally to
8 feet, then building to 4 to 7 feet occasionally to 9 feet. 
.monday...west winds 20 to 30 knots becoming northwest 10 to
20 knots late. waves building to 5 to 8 feet occasionally to
10 feet, then subsiding to 2 to 4 feet. 
.monday night...north winds 5 to 15 knots veering northeast after
midnight. a chance of snow showers. waves subsiding to 1 to
3 feet. 
.tuesday...northeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. a slight chance of snow showers. waves
1 to 3 feet. 
.tuesday night...east winds 10 to 20 knots becoming northeast
15 to 25 knots after midnight. a chance of snow showers. freezing
spray after midnight. waves building to 3 to 5 feet occasionally
to 7 feet. 
.wednesday...northeast winds 20 to 30 knots backing north by mid
afternoon. freezing spray. a chance of snow showers. waves
building to 3 to 6 feet occasionally to 8 feet. 
.wednesday night...north winds 15 to 25 knots. waves building to
4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet. 
.thursday...southeast winds 15 to 25 knots increasing to gales to
45 knots. a chance of snow showers. waves subsiding to 2 to
4 feet, then building to 15 to 20 feet occasionally to 25 feet. 
.friday...northeast gales to 45 knots becoming northwest 20 to
30 knots. a chance of snow showers. waves subsiding to 4 to
7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 090201
glfls 
expires:202603090800;;873153

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt sun mar 8 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.0 inch low moves into northwest quebec tonight into monday as a 
secondary 29.2 inch low trails behind near the northern shores of 
lake superior. the low exits the area monday afternoon before being 
replaced by a 30.4 inch high over northern ontario tuesday. the high 
slowly moves into quebec tuesday night as 29.6 low pressure moves 
into the lower midwest. this low moves through the lower great lakes 
wednesday at 29.5 inches. thursday, lake superior will be situated 
between a 29.3 inch low over southern quebec, a 29.4 inch low over 
north dakota, a 30.3 inch high over the lower mississippi river 
valley, and a 30.1 inch ridge over hudson bay. the dakotas low 
arrives near the lake friday morning, then moves near the lower 
great lakes friday night. a 30.2 inch ridge will then follow across 
the upper great lakes saturday.



lsz265-090800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt sun mar 8 2026

...gale warning in effect from 5 am edt monday through monday
afternoon...

.rest of tonight...south winds 15 to 25 knots becoming southwest
20 to 30 knots after midnight, then increasing to gales to
35 knots late. a slight chance of rain showers by midnight. waves
calm to 2 feet building to 3 to 6 feet occasionally to 8 feet. 
.monday...west gales to 35 knots diminishing to 15 to 25 knots.
waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding to calm to 2 feet. 
.monday night...northwest winds 10 to 20 knots veering northeast
late. a chance of snow showers. waves building to 1 to 3 feet. 
.tuesday...northeast winds 15 to 25 knots. a chance of snow
showers. waves building to 2 to 4 feet. 
.tuesday night...east winds 15 to 25 knots becoming northeast
20 to 30 knots after midnight. a chance of snow showers. freezing
spray after midnight. waves building to 3 to 6 feet occasionally
to 8 feet. 
.wednesday...northeast gales to 35 knots backing north by mid
afternoon. freezing spray. a chance of snow showers. waves
building to 6 to 9 feet occasionally to 11 feet. 
.wednesday night...north winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. waves building to 7 to 10 feet
occasionally to 13 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 
.thursday...southeast winds 15 to 25 knots increasing to gales to
45 knots. snow showers, possibly mixed with rain. waves subsiding
to 2 to 4 feet, then building to 12 to 17 feet occasionally to
21 feet. 
.friday...north gales to 45 knots becoming northwest gales to
35 knots. a chance of snow showers. waves building to 15 to
20 feet occasionally to 25 feet, then subsiding to 5 to 8 feet
occasionally to 10 feet. 

$$

fzus63 kmqt 090201
glfls 
expires:202603090800;;873154

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt sun mar 8 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.0 inch low moves into northwest quebec tonight into monday as a 
secondary 29.2 inch low trails behind near the northern shores of 
lake superior. the low exits the area monday afternoon before being 
replaced by a 30.4 inch high over northern ontario tuesday. the high 
slowly moves into quebec tuesday night as 29.6 low pressure moves 
into the lower midwest. this low moves through the lower great lakes 
wednesday at 29.5 inches. thursday, lake superior will be situated 
between a 29.3 inch low over southern quebec, a 29.4 inch low over 
north dakota, a 30.3 inch high over the lower mississippi river 
valley, and a 30.1 inch ridge over hudson bay. the dakotas low 
arrives near the lake friday morning, then moves near the lower 
great lakes friday night. a 30.2 inch ridge will then follow across 
the upper great lakes saturday.



lsz266-090800-
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 edt sun mar 8 2026

...gale warning in effect from 5 am edt monday through monday
afternoon...

.rest of tonight...south winds 20 to 30 knots becoming southwest
gales to 35 knots late. a chance of rain showers by midnight.
waves 3 to 6 feet occasionally to 8 feet, then building to 5 to
8 feet occasionally to 10 feet. 
.monday...west gales to 35 knots diminishing to 20 to 30 knots in
the afternoon, then becoming northwest 15 to 25 knots late. waves
building to 7 to 10 feet occasionally to 13 feet, then subsiding
to 3 to 6 feet occasionally to 8 feet. 
.monday night...northwest winds 10 to 20 knots veering northeast
after midnight. a chance of snow showers. waves subsiding to 1 to
3 feet. 
.tuesday...northeast winds 15 to 25 knots. a slight chance of
snow showers. waves building to 2 to 4 feet. 
.tuesday night...east winds 15 to 25 knots becoming northeast
20 to 30 knots after midnight. a chance of snow showers. freezing
spray after midnight. waves building to 4 to 7 feet occasionally
to 9 feet. 
.wednesday...northeast gales to 35 knots backing north by mid
afternoon. freezing spray. a chance of snow showers. waves
building to 6 to 9 feet occasionally to 11 feet. 
.wednesday night...north gales to 35 knots diminishing to 20 to
30 knots after midnight. waves building to 8 to 11 feet
occasionally to 14 feet, then subsiding to 6 to 9 feet
occasionally to 11 feet. 
.thursday...north winds 15 to 25 knots becoming southeast gales
to 45 knots. a chance of snow showers. rain showers likely. waves
subsiding to 3 to 6 feet occasionally to 8 feet, then building to
15 to 20 feet occasionally to 25 feet. 
.friday...northeast gales to 45 knots becoming north gales to
35 knots. a chance of snow showers. waves subsiding to 8 to
11 feet occasionally to 14 feet. 

$$

fzus63 kmqt 090201
glfls 
expires:202603090800;;873155

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt sun mar 8 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.0 inch low moves into northwest quebec tonight into monday as a 
secondary 29.2 inch low trails behind near the northern shores of 
lake superior. the low exits the area monday afternoon before being 
replaced by a 30.4 inch high over northern ontario tuesday. the high 
slowly moves into quebec tuesday night as 29.6 low pressure moves 
into the lower midwest. this low moves through the lower great lakes 
wednesday at 29.5 inches. thursday, lake superior will be situated 
between a 29.3 inch low over southern quebec, a 29.4 inch low over 
north dakota, a 30.3 inch high over the lower mississippi river 
valley, and a 30.1 inch ridge over hudson bay. the dakotas low 
arrives near the lake friday morning, then moves near the lower 
great lakes friday night. a 30.2 inch ridge will then follow across 
the upper great lakes saturday.



lsz267-090800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt sun mar 8 2026

.rest of tonight...south winds 15 to 25 knots becoming southwest
20 to 30 knots late. a chance of rain showers. waves 3 to 5 feet
occasionally to 7 feet building to 4 to 7 feet occasionally to
9 feet. 
.monday...southwest winds to 30 knots with a few gale force gusts
to 35 knots possible becoming west 20 to 30 knots in the
afternoon, then diminishing to 10 to 20 knots late. waves
building to 7 to 10 feet occasionally to 13 feet, then subsiding
to 4 to 7 feet occasionally to 9 feet. 
.monday night...northwest winds 5 to 15 knots veering north after
midnight, then becoming northeast 10 to 20 knots late. a chance
of snow showers after midnight. waves subsiding to 1 to 3 feet. 
.tuesday...northeast winds 10 to 20 knots. a slight chance of
snow showers. waves building to 2 to 4 feet. 
.tuesday night...east winds 15 to 25 knots backing northeast
after midnight. a chance of snow showers. freezing spray after
midnight. waves building to 3 to 5 feet occasionally to 7 feet. 
.wednesday...northeast winds 20 to 30 knots backing north by mid
afternoon. freezing spray. a chance of snow showers. waves
building to 5 to 8 feet occasionally to 10 feet. 
.wednesday night...north gales to 35 knots diminishing to 20 to
30 knots after midnight. 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. 
.thursday...north winds 15 to 25 knots becoming southeast gales
to 45 knots. snow showers likely. waves subsiding to 2 to 4 feet,
then building to 10 to 14 feet occasionally to 18 feet. 
.friday...east gales to 45 knots becoming north 20 to 30 knots. a
chance of snow showers. waves subsiding to 7 to 10 feet
occasionally to 13 feet, then building to 8 to 11 feet
occasionally to 14 feet. 

$$

fzus63 kmqt 090201
glfls 
expires:202603090800;;873150

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt sun mar 8 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.0 inch low moves into northwest quebec tonight into monday as a 
secondary 29.2 inch low trails behind near the northern shores of 
lake superior. the low exits the area monday afternoon before being 
replaced by a 30.4 inch high over northern ontario tuesday. the high 
slowly moves into quebec tuesday night as 29.6 low pressure moves 
into the lower midwest. this low moves through the lower great lakes 
wednesday at 29.5 inches. thursday, lake superior will be situated 
between a 29.3 inch low over southern quebec, a 29.4 inch low over 
north dakota, a 30.3 inch high over the lower mississippi river 
valley, and a 30.1 inch ridge over hudson bay. the dakotas low 
arrives near the lake friday morning, then moves near the lower 
great lakes friday night. a 30.2 inch ridge will then follow across 
the upper great lakes saturday.



lsz162-090800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt sun mar 8 2026 /900 pm cdt sun mar 8 2026/

.rest of tonight...southwest winds 15 to 25 knots increasing to
20 to 30 knots late. waves 1 to 3 feet building to 3 to 5 feet
occasionally to 7 feet. 
.monday...west winds 15 to 25 knots diminishing to 5 to 15 knots.
waves subsiding to calm to 2 feet. 
.monday night...north winds 5 to 15 knots becoming northeast
10 to 20 knots after midnight. a chance of snow showers, possibly
mixed with rain through midnight, then snow showers likely after
midnight. waves calm to 2 feet. 
.tuesday...northeast winds 15 to 25 knots veering east by mid
afternoon. a slight chance of snow showers. waves building to
2 to 4 feet. 
.tuesday night...northeast winds 15 to 25 knots. a chance of snow
showers. waves 2 to 4 feet. 
.wednesday...northeast winds 10 to 20 knots backing north by mid
afternoon. a chance of snow showers. waves subsiding to 1 to
3 feet. 
.wednesday night...north winds 10 to 20 knots backing northwest
after midnight. waves subsiding to calm to 2 feet. 
.thursday...southeast winds 15 to 25 knots becoming east gales to
35 knots. a chance of snow showers, possibly mixed with rain,
then snow showers, possibly mixed with rain. waves building to
7 to 10 feet occasionally to 13 feet. 
.friday...north gales to 35 knots becoming northwest 10 to
20 knots. a chance of snow showers. waves subsiding to calm to
2 feet. 

$$

fzus63 kmqt 090201
glfls 
expires:202603090800;;873151

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt sun mar 8 2026

for waters beyond 5 nautical miles of shore on lake superior.

waves are the significant wave height - the average of the
highest 1/3 of the wave spectrum. occasional wave height is the
average of the highest 1/10 of the wave spectrum.

.synopsis...

a 29.0 inch low moves into northwest quebec tonight into monday as a 
secondary 29.2 inch low trails behind near the northern shores of 
lake superior. the low exits the area monday afternoon before being 
replaced by a 30.4 inch high over northern ontario tuesday. the high 
slowly moves into quebec tuesday night as 29.6 low pressure moves 
into the lower midwest. this low moves through the lower great lakes 
wednesday at 29.5 inches. thursday, lake superior will be situated 
between a 29.3 inch low over southern quebec, a 29.4 inch low over 
north dakota, a 30.3 inch high over the lower mississippi river 
valley, and a 30.1 inch ridge over hudson bay. the dakotas low 
arrives near the lake friday morning, then moves near the lower 
great lakes friday night. a 30.2 inch ridge will then follow across 
the upper great lakes saturday.



lsz263-090800-
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 edt sun mar 8 2026

.rest of tonight...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight, then becoming west 20 to 30 knots
late. a chance of rain showers by midnight. waves 3 to 5 feet
occasionally to 7 feet building to 4 to 7 feet occasionally to
9 feet. 
.monday...west winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet. 
.monday night...north winds 10 to 20 knots becoming northeast
15 to 25 knots after midnight. a slight chance of rain showers
through midnight. a chance of snow showers. waves subsiding to
calm to 2 feet, then building to 1 to 3 feet. 
.tuesday...northeast winds 15 to 25 knots. a chance of snow
showers. waves building to 2 to 4 feet. 
.tuesday night...east gales to 35 knots backing northeast after
midnight. a chance of snow showers. freezing spray after
midnight. waves building to 3 to 5 feet occasionally to 7 feet. 
.wednesday...northeast gales to 35 knots becoming north 15 to
25 knots by mid afternoon. freezing spray. a chance of snow
showers. waves 3 to 5 feet occasionally to 7 feet. 
.wednesday night...north winds 10 to 20 knots. waves building to
3 to 6 feet occasionally to 8 feet, then subsiding to 2 to
4 feet. 
.thursday...southeast winds 15 to 25 knots increasing to gales to
40 knots. snow showers, possibly mixed with rain. waves subsiding
to 1 to 3 feet, then building to 12 to 17 feet occasionally to
21 feet. 
.friday...north gales to 35 knots becoming northwest 15 to
25 knots. a chance of snow showers. waves building to 15 to
20 feet occasionally to 25 feet, then subsiding to 2 to 4 feet. 

$$