fzus63 kdtx 080724
glflh 
expires:202604081530;;018437

open lake forecast for lake huron
national weather service detroit/pontiac mi
324 am edt wed apr 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...high pressure, 30.60 inches, maintains calm conditions
today and most of wednesday. unsettled weather returns wednesday
night with gusty winds and rain expected ahead of low pressure,
29.40 inches.


lhz361-081530-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
324 am edt wed apr 8 2026

.today...south winds 10 to 15 knots becoming southeast 15 to
20 knots in the late morning and afternoon. a chance of snow in
the afternoon. waves 4 to 6 feet building to 6 to 9 feet in the
afternoon. waves occasionally around 12 feet. 
.tonight...southeast winds 20 to 25 knots with gusts to around
30 knots veering to the south early in the morning. a chance of
rain in the evening...then rain after midnight. waves 8 to
12 feet. waves occasionally around 15 feet. 
.thursday...southwest winds 15 to 20 knots veering to the west
early in the afternoon. waves 5 to 7 feet. waves occasionally
around 10 feet. 
.thursday night...west winds 10 to 15 knots becoming light and
variable. waves 3 to 5 feet subsiding to 1 to 3 feet after
midnight. 
.friday...light and variable winds becoming northwest 5 to
10 knots. waves 2 feet or less. 
.saturday...west winds 5 to 10 knots veering to the northeast
early in the evening...then becoming southeast 10 to 15 knots by
midnight. waves 1 to 3 feet. 
.sunday...southeast winds 15 to 20 knots becoming south 20 to
25 knots by midnight. rain likely. waves 5 to 7 feet. waves
occasionally around 10 feet. 


$$

fzus63 kdtx 080724
glflh 
expires:202604081530;;018438

open lake forecast for lake huron
national weather service detroit/pontiac mi
324 am edt wed apr 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...high pressure, 30.60 inches, maintains calm conditions
today and most of wednesday. unsettled weather returns wednesday
night with gusty winds and rain expected ahead of low pressure,
29.40 inches.


lhz362-363-081530-
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-
324 am edt wed apr 8 2026

.today...south winds 15 to 20 knots becoming southeast 20 to
25 knots with gusts to around 30 knots late in the afternoon.
waves 5 to 7 feet building to 8 to 12 feet in the afternoon.
waves occasionally around 15 feet. 
.tonight...south winds 20 to 25 knots with gusts to around
30 knots. a chance of rain after midnight. waves 10 to 14 feet.
waves occasionally around 18 feet. 
.thursday...southwest winds 15 to 20 knots decreasing to 10 to
15 knots early in the afternoon. waves 8 to 12 feet subsiding to
4 to 6 feet early in the afternoon. waves occasionally around
15 feet. 
.thursday night...west winds 10 to 15 knots. a chance of rain and
snow after midnight. waves 3 to 5 feet subsiding to 1 to 3 feet
after midnight. 
.friday...light and variable winds becoming northeast 5 to
10 knots late in the morning...then backing to the northwest late
in the evening. a chance of snow and rain in the morning...then a
chance of rain late in the morning. waves 2 feet or less. 
.saturday...northwest winds 5 to 10 knots backing to the
southeast early in the evening...then increasing to 10 to
15 knots by midnight. waves 1 to 3 feet. 
.sunday...southeast winds 15 to 20 knots becoming south 20 to
25 knots with gusts to around 30 knots by midnight. a chance of
rain. waves 5 to 7 feet building to 8 to 12 feet by midnight.
waves occasionally around 15 feet. 


$$

fzus63 kdtx 080724
glflh 
expires:202604081530;;018439

open lake forecast for lake huron
national weather service detroit/pontiac mi
324 am edt wed apr 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...high pressure, 30.60 inches, maintains calm conditions
today and most of wednesday. unsettled weather returns wednesday
night with gusty winds and rain expected ahead of low pressure,
29.40 inches.


lhz462>464-081530-
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-
324 am edt wed apr 8 2026

.today...south winds 10 to 15 knots becoming southeast 15 to
20 knots in the late morning and afternoon. waves 3 to 5 feet
building to 4 to 6 feet in the afternoon. waves occasionally
around 8 feet. 
.tonight...south winds 15 to 20 knots increasing to 20 to
25 knots in the late evening and overnight. gusts to 30 knots.
waves 6 to 9 feet. waves occasionally around 12 feet. 
.thursday...south winds 20 to 25 knots with gusts to around
30 knots becoming southwest 10 to 15 knots. a chance of rain.
waves 5 to 7 feet. waves occasionally around 10 feet. 
.thursday night...west winds 10 to 15 knots becoming northeast
after midnight. a chance of rain and snow after midnight. waves
2 to 4 feet subsiding to 1 to 3 feet in the late evening and
overnight. 
.friday...north winds 5 to 10 knots. a chance of rain in the
morning. a chance of snow. rain likely late in the morning. waves
2 feet or less. 
.saturday...northwest winds 5 to 10 knots early in the morning
becoming light and variable...then becoming northeast 5 to
10 knots early in the evening veering to the east. waves 2 feet
or less. 
.sunday...southeast winds 10 to 15 knots becoming south 15 to
20 knots. a chance of rain. waves 3 to 5 feet building to 5 to
7 feet by midnight. waves occasionally around 10 feet. 


$$

fzus63 kmkx 080803
glflm 
expires:202604081515;;019517

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am cdt wed apr 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...

high pressure around 30.6 inches over the lower great lakes will
continue eastward this morning. low pressure around 29.5 inches 
tracking along the northern great plains and canadian border will
track north of lake superior tonight into thursday morning. this 
will result in very breezy southerly winds over lake michigan on 
wednesday with gale force gusts up to 40 kt. a gale warning is in 
effect for the northern two thirds of the lake.

much lighter westerly winds are then expected on thursday in the
wake of a cold front. light and variable winds will prevail into 
saturday, until breezy southerly winds return late in the weekend.


lmz669-671-673-870-872-874-081515-
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 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-
303 am cdt wed apr 8 2026

sheboygan wi to pentwater mi south to wind point wi to holland
mi...

...gale warning in effect from 7 am cdt this morning through late
tonight...

.today...south winds to 30 kt increasing to gales to 35 kt by mid
morning. scattered rain showers with isolated snow showers this 
morning. waves 5 to 8 ft occasionally to 10 ft building to 8 to 12
ft occasionally to 16 ft. 
.tonight...south gales to 40 kt becoming southwest gales to 35 kt
after midnight, then diminishing to 30 kt late. chance of rain
showers in the evening, then rain showers overnight. waves 8 to
12 ft occasionally to 16 ft subsiding to 6 to 9 ft occasionally
to 12 ft. 
.thursday...southwest winds 10 to 20 kt diminishing to 10 to
15 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 1 to
3 ft. 
.thursday night...east winds 5 to 10 kt becoming northeast.
chance of rain showers. waves 1 to 2 ft. 
.friday...north winds 5 to 10 kt increasing to 10 to 15 kt.
chance of rain showers. waves 1 to 2 ft. 
.friday night...northeast winds 10 to 15 kt becoming east 5 to
10 kt. waves 1 to 2 ft. 
.saturday...east winds 5 to 10 kt becoming southeast. waves 1 ft
or less. 
.sunday...south winds to 30 kt. chance of rain showers. waves
7 to 10 ft occasionally to 13 ft.  

$$

fzus63 kmkx 080803
glflm 
expires:202604081515;;019516

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am cdt wed apr 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...

high pressure around 30.6 inches over the lower great lakes will
continue eastward this morning. low pressure around 29.5 inches 
tracking along the northern great plains and canadian border will
track north of lake superior tonight into thursday morning. this 
will result in very breezy southerly winds over lake michigan on 
wednesday with gale force gusts up to 40 kt. a gale warning is in 
effect for the northern two thirds of the lake.

much lighter westerly winds are then expected on thursday in the
wake of a cold front. light and variable winds will prevail into 
saturday, until breezy southerly winds return late in the weekend.


lmz261-362-364-366-563-565-567-868-081515-
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-
303 am cdt wed apr 8 2026

sheboygan wi to pentwater mi north...

...gale warning in effect from 7 am cdt this morning through late
tonight...

.today...south winds to 30 kt increasing to gales to 35 kt by mid
morning. numerous snow and rain showers this morning. waves 5 to 
8 ft occasionally to 10 ft building to 10 to 14 ft occasionally to
18 ft. 
.tonight...south gales to 40 kt becoming southwest gales to 35 kt
after midnight, then diminishing to 30 kt late. rain showers.
waves 12 to 16 ft occasionally to 21 ft subsiding to 6 to 9 ft
occasionally to 12 ft. 
.thursday...southwest winds 15 to 25 kt becoming west 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft. 
.thursday night...northwest winds 10 to 15 kt veering to
northeast. chance of rain showers overnight. waves 1 to 3 ft
subsiding to 1 to 2 ft. 
.friday...north winds 5 to 10 kt becoming northwest. waves 1 ft
or less. 
.friday night...east winds 5 to 10 kt veering to south. waves
1 ft or less. 
.saturday...south winds 5 to 10 kt. waves 1 to 2 ft. 
.sunday...south winds to 30 kt. rain showers likely. waves 6 to
9 ft occasionally to 12 ft building to 7 to 10 ft occasionally to
13 ft.  

$$

fzus63 kmqt 080801
glfls 
expires:202604082000;;019336

open lake forecast for lake superior
national weather service marquette mi
400 am edt wed apr 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 30.6 inch high over the eastern great lakes will move through new 
england today as a 29.7 inch low moves from southern saskatchewan to 
southwest ontario. the low will move north of lake superior 
overnight, reaching james bay by thursday afternoon as high pressure 
builds back into the upper great lakes thursday and friday. the high 
will build to 30.5 inches over the lower great lakes by saturday. on 
sunday, a 29.3 inch low pressure develops in the lee of the northern 
rockies while the 30.5 inch high pushes off of the eastern seaboard 
into the atlantic. this low will push east to the upper great lakes 
by sunday night and monday.



lsz264-082000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt wed apr 8 2026

.early this morning...south winds 15 to 25 knots. a slight chance
of snow showers. waves 3 to 6 feet occasionally to 8 feet. 
.today...southeast winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible late. a slight
chance of rain showers and freezing rain through early afternoon.
a chance of snow showers. rain showers by mid afternoon. waves
building to 8 to 11 feet occasionally to 14 feet. 
.tonight...southwest winds 20 to 30 knots diminishing to 15 to
25 knots after midnight, then becoming west 20 to 30 knots late.
rain showers likely through midnight. a slight chance of rain
showers after midnight. waves subsiding to 3 to 6 feet
occasionally to 8 feet, then building to 6 to 9 feet occasionally
to 11 feet. 
.thursday...west winds 20 to 30 knots diminishing to 15 to
25 knots late. waves subsiding to 3 to 5 feet occasionally to
7 feet. 
.thursday night...west winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots diminishing to less than
10 knots after midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots becoming southeast 20 to
30 knots. waves building to 4 to 7 feet occasionally to 9 feet. 
.sunday...southeast winds 20 to 30 knots becoming south 15 to
25 knots. rain showers. waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 

$$

fzus63 kmqt 080801
glfls 
expires:202604082000;;019337

open lake forecast for lake superior
national weather service marquette mi
400 am edt wed apr 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 30.6 inch high over the eastern great lakes will move through new 
england today as a 29.7 inch low moves from southern saskatchewan to 
southwest ontario. the low will move north of lake superior 
overnight, reaching james bay by thursday afternoon as high pressure 
builds back into the upper great lakes thursday and friday. the high 
will build to 30.5 inches over the lower great lakes by saturday. on 
sunday, a 29.3 inch low pressure develops in the lee of the northern 
rockies while the 30.5 inch high pushes off of the eastern seaboard 
into the atlantic. this low will push east to the upper great lakes 
by sunday night and monday.



lsz265-082000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt wed apr 8 2026

.early this morning...south winds 15 to 25 knots. a slight chance
of snow showers. waves 3 to 6 feet occasionally to 8 feet. 
.today...south winds 20 to 30 knots becoming southeast to
30 knots with a few gale force gusts to 35 knots possible late.
snow showers, possibly mixed with freezing rain and sleet through
early afternoon. a chance of rain showers. waves building to 5 to
8 feet occasionally to 10 feet. 
.tonight...southwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 15 to 25 knots after
midnight, then becoming west 20 to 30 knots late. rain showers
through midnight. waves subsiding to 1 to 3 feet, then building
to 3 to 5 feet occasionally to 7 feet. 
.thursday...west winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 15 to 25 knots late. waves
building to 3 to 6 feet occasionally to 8 feet, then subsiding to
1 to 3 feet. 
.thursday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 10 to 20 knots diminishing to 5 to 15 knots
by mid afternoon. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots becoming southwest 10 to
20 knots after midnight. waves calm to 2 feet. 
.saturday...southeast winds 5 to 15 knots increasing to 20 to
30 knots. rain showers likely. waves building to 4 to 7 feet
occasionally to 9 feet. 
.sunday...south winds 20 to 30 knots. rain showers. waves
subsiding to 3 to 5 feet occasionally to 7 feet, then building to
4 to 7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 080801
glfls 
expires:202604082000;;019338

open lake forecast for lake superior
national weather service marquette mi
400 am edt wed apr 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 30.6 inch high over the eastern great lakes will move through new 
england today as a 29.7 inch low moves from southern saskatchewan to 
southwest ontario. the low will move north of lake superior 
overnight, reaching james bay by thursday afternoon as high pressure 
builds back into the upper great lakes thursday and friday. the high 
will build to 30.5 inches over the lower great lakes by saturday. on 
sunday, a 29.3 inch low pressure develops in the lee of the northern 
rockies while the 30.5 inch high pushes off of the eastern seaboard 
into the atlantic. this low will push east to the upper great lakes 
by sunday night and monday.



lsz266-082000-
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 edt wed apr 8 2026

...gale warning in effect from 11 am edt this morning through
this evening...

.early this morning...south winds 20 to 30 knots. a slight chance
of snow showers. waves 3 to 6 feet occasionally to 8 feet
building to 4 to 7 feet occasionally to 9 feet. 
.today...south gales to 40 knots. a chance of snow showers,
possibly mixed with rain. waves building to 8 to 11 feet
occasionally to 14 feet. 
.tonight...south gales to 40 knots becoming southwest 20 to
30 knots after midnight. rain showers through midnight. waves
subsiding to 3 to 6 feet occasionally to 8 feet, then building to
5 to 8 feet occasionally to 10 feet. 
.thursday...west winds 20 to 30 knots. waves building to 6 to
9 feet occasionally to 11 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet. 
.thursday night...west winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots becoming southeast
20 to 30 knots. a chance of rain showers. waves building to 5 to
8 feet occasionally to 10 feet. 
.sunday...south gales to 35 knots diminishing to 20 to 30 knots.
rain showers. waves building to 6 to 9 feet occasionally to
11 feet, then subsiding to 4 to 7 feet occasionally to 9 feet. 

$$

fzus63 kmqt 080801
glfls 
expires:202604082000;;019339

open lake forecast for lake superior
national weather service marquette mi
400 am edt wed apr 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 30.6 inch high over the eastern great lakes will move through new 
england today as a 29.7 inch low moves from southern saskatchewan to 
southwest ontario. the low will move north of lake superior 
overnight, reaching james bay by thursday afternoon as high pressure 
builds back into the upper great lakes thursday and friday. the high 
will build to 30.5 inches over the lower great lakes by saturday. on 
sunday, a 29.3 inch low pressure develops in the lee of the northern 
rockies while the 30.5 inch high pushes off of the eastern seaboard 
into the atlantic. this low will push east to the upper great lakes 
by sunday night and monday.



lsz267-082000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt wed apr 8 2026

.early this morning...south winds 15 to 25 knots. waves 3 to
5 feet occasionally to 7 feet. 
.today...south winds 20 to 30 knots becoming southeast to
30 knots with a few gale force gusts to 40 knots possible in the
afternoon. snow showers likely through early afternoon, then a
chance of rain showers, possibly mixed with snow by mid
afternoon. waves building to 5 to 8 feet occasionally to 10 feet.
.tonight...south winds to 30 knots with a few gale force gusts to
35 knots possible becoming southwest 20 to 30 knots after
midnight, then diminishing to 15 to 25 knots late. rain showers
through midnight, then a slight chance of rain showers after
midnight. waves subsiding to 2 to 4 feet, then building to 3 to
6 feet occasionally to 8 feet. 
.thursday...west winds 20 to 30 knots. waves building to 4 to
8 feet occasionally to 10 feet. 
.thursday night...west winds 10 to 20 knots becoming southwest
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots backing southwest after
midnight. waves calm to 2 feet. 
.saturday...southwest winds 5 to 15 knots becoming southeast
20 to 30 knots. a chance of rain showers. waves building to 3 to
6 feet occasionally to 8 feet. 
.sunday...southeast winds 20 to 30 knots veering south. rain
showers. waves building to 4 to 7 feet occasionally to 9 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet. 

$$

fzus63 kmqt 080801
glfls 
expires:202604082000;;019334

open lake forecast for lake superior
national weather service marquette mi
400 am edt wed apr 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 30.6 inch high over the eastern great lakes will move through new 
england today as a 29.7 inch low moves from southern saskatchewan to 
southwest ontario. the low will move north of lake superior 
overnight, reaching james bay by thursday afternoon as high pressure 
builds back into the upper great lakes thursday and friday. the high 
will build to 30.5 inches over the lower great lakes by saturday. on 
sunday, a 29.3 inch low pressure develops in the lee of the northern 
rockies while the 30.5 inch high pushes off of the eastern seaboard 
into the atlantic. this low will push east to the upper great lakes 
by sunday night and monday.



lsz162-082000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt wed apr 8 2026 /300 am cdt wed apr 8 2026/

.early this morning...southeast winds 15 to 25 knots. a chance of
snow showers, possibly mixed with rain. waves 2 to 4 feet
building to 3 to 5 feet occasionally to 7 feet. 
.today...southeast winds 10 to 20 knots veering southwest late. a
chance of snow and rain showers through early afternoon, then
rain showers by mid afternoon. waves subsiding to 1 to 3 feet. 
.tonight...southwest winds 10 to 20 knots increasing to 15 to
25 knots after midnight, then becoming west 20 to 30 knots late.
a slight chance of rain showers through midnight. waves subsiding
to calm to 2 feet, then building to 4 to 7 feet occasionally to
9 feet. 
.thursday...west winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet. 
.thursday night...west winds 5 to 15 knots veering northwest
after midnight. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...east winds 5 to 15 knots increasing to 10 to
20 knots. rain showers. waves building to 3 to 5 feet
occasionally to 7 feet. 
.sunday...east winds 10 to 20 knots increasing to 15 to 25 knots.
rain showers. waves subsiding to 1 to 3 feet, then building to
5 to 8 feet occasionally to 10 feet. 

$$

fzus63 kmqt 080801
glfls 
expires:202604082000;;019335

open lake forecast for lake superior
national weather service marquette mi
400 am edt wed apr 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 30.6 inch high over the eastern great lakes will move through new 
england today as a 29.7 inch low moves from southern saskatchewan to 
southwest ontario. the low will move north of lake superior 
overnight, reaching james bay by thursday afternoon as high pressure 
builds back into the upper great lakes thursday and friday. the high 
will build to 30.5 inches over the lower great lakes by saturday. on 
sunday, a 29.3 inch low pressure develops in the lee of the northern 
rockies while the 30.5 inch high pushes off of the eastern seaboard 
into the atlantic. this low will push east to the upper great lakes 
by sunday night and monday.



lsz263-082000-
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 edt wed apr 8 2026

.early this morning...southeast winds 15 to 25 knots. a chance of
snow showers, possibly mixed with rain. waves 2 to 4 feet
building to 3 to 5 feet occasionally to 7 feet. 
.today...southeast winds 15 to 25 knots veering south late. snow
showers likely, possibly mixed with rain showers through early
afternoon, then rain showers by mid afternoon. waves 3 to 5 feet
occasionally to 7 feet. 
.tonight...southwest winds 10 to 20 knots increasing to 20 to
30 knots after midnight, then veering west late. a chance of rain
showers through midnight. waves subsiding to 2 to 4 feet, then
building to 6 to 9 feet occasionally to 11 feet. 
.thursday...west winds 20 to 30 knots diminishing to 10 to
20 knots. waves subsiding to 2 to 4 feet. 
.thursday night...west winds 5 to 15 knots diminishing to less
than 10 knots after midnight. waves subsiding to calm to 2 feet. 
.friday...west winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.friday night...west winds 5 to 15 knots becoming southwest less
than 10 knots after midnight. waves calm to 2 feet. 
.saturday...south winds 5 to 15 knots becoming southeast 15 to
25 knots. rain showers likely. waves building to 3 to 5 feet
occasionally to 7 feet. 
.sunday...southeast winds 15 to 25 knots veering south. rain
showers. waves subsiding to 2 to 4 feet, then building to 6 to
9 feet occasionally to 11 feet. 

$$