fzus63 kdtx 020153
glflh 
expires:202605021000;;866673

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 pm edt fri may 1 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 slow moving low pressure system will exit the great
lakes today while concurrently a weak diffuse high pressure
system builds in. this will promote another day of lighter
northwest flow. a warm front enters tomorrow, backing winds from
northwest to southwest.


lhz361-362-021000-
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-
953 pm edt fri may 1 2026

.rest of tonight...northwest winds 10 to 15 knots. waves 2 to
4 feet. 
.saturday...northwest winds 10 to 15 knots becoming west 5 to
10 knots in the late morning and afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.saturday night...southwest winds 5 to 10 knots. waves 1 to
3 feet. 
.sunday...south winds 5 to 10 knots increasing to 10 to 15 knots
in the late morning and afternoon. a chance of showers in the
afternoon. waves 1 to 3 feet building to 2 to 4 feet in the late
morning and afternoon. 
.sunday night...southwest winds 10 to 15 knots. a chance of
showers. waves 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots becoming south 15 to
20 knots late in the afternoon. a chance of showers late in the
afternoon. waves 2 to 4 feet building to 4 to 6 feet. waves
occasionally around 8 feet. 
.tuesday...west winds 15 to 20 knots decreasing to 10 to
15 knots. waves 4 to 6 feet subsiding to 2 to 4 feet by midnight.
waves occasionally around 8 feet. 
.wednesday...northwest winds 10 to 15 knots backing to the west
by midnight. waves 1 to 3 feet. 


$$

fzus63 kdtx 020153
glflh 
expires:202605021000;;866674

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 pm edt fri may 1 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 slow moving low pressure system will exit the great
lakes today while concurrently a weak diffuse high pressure
system builds in. this will promote another day of lighter
northwest flow. a warm front enters tomorrow, backing winds from
northwest to southwest.


lhz363-462>464-021000-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
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-
953 pm edt fri may 1 2026

.rest of tonight...north winds 5 to 10 knots backing to the west
after midnight...then becoming northwest 10 to 15 knots early in
the morning. waves 1 to 3 feet building to 2 to 4 feet early in
the morning. 
.saturday...northwest winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and early afternoon...then becoming
light and variable late in the afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the late morning and afternoon. 
.saturday night...light and variable winds becoming south 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.sunday...southwest winds 10 to 15 knots becoming south 15 to
20 knots early in the afternoon. a chance of showers in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet in the late
morning and afternoon. 
.sunday night...southwest winds 15 to 20 knots decreasing to
10 to 15 knots in the late evening and overnight. a chance of
showers. waves 3 to 5 feet. 
.monday...southwest winds 10 to 15 knots becoming south 15 to
20 knots late in the afternoon. a chance of showers late in the
afternoon. waves 2 to 4 feet building to 4 to 6 feet late in the
afternoon. waves occasionally around 8 feet. 
.tuesday...southwest winds 15 to 20 knots becoming west 10 to
15 knots until early evening...then veering to the 10 to 15 knots
by midnight. a chance of showers. waves 3 to 5 feet subsiding to
1 to 3 feet . 
.wednesday...north winds 10 to 15 knots decreasing to 5 to
10 knots . a chance of showers early in the morning. waves 1 to
3 feet. 


$$

fzus63 kmkx 020211
glflm 
expires:202605020915;;867710

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
911 pm cdt fri may 1 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 generally remain light and variable to northerly
tonight into the first half of tomorrow as high pressure of 30.2
inches sinks southeast over lake michigan. winds are then 
expected to become light and variable for a time again saturday 
afternoon before turning southerly saturday night. winds then grow
breezy saturday night into sunday as low pressure of 29.6 inches 
approaches the lake, dragging a cold front over it. winds will 
only become westerly behind the front for a time, returning to 
southwesterly on monday ahead of another stronger low of 29.4 
inches.


lmz261-362-364-366-563-565-567-868-020915-
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-
911 pm cdt fri may 1 2026

sheboygan wi to pentwater mi north...

.rest of tonight...northwest winds 10 to 15 kt. waves 1 to 2 ft. 
.saturday...northwest winds 5 to 10 kt becoming west 10 to 15 kt
late in the morning, then becoming southwest 10 to 20 kt early in
the afternoon becoming south late. waves 1 to 3 ft. 
.saturday night...south winds 10 to 20 kt becoming southwest
15 to 25 kt. scattered rain showers overnight. waves 3 to 5 ft. 
.sunday...southwest winds 15 to 25 kt increasing to 30 kt.
scattered rain showers. waves 4 to 6 ft occasionally to 8 ft
building to 4 to 7 ft occasionally to 9 ft. 
.sunday night...southwest winds 10 to 20 kt. waves 4 to 7 ft
occasionally to 9 ft subsiding to 3 to 5 ft. 
.monday...southwest winds to 30 kt. waves 3 to 5 ft building to
4 to 7 ft occasionally to 9 ft. 
.monday night...west winds to 30 kt becoming northwest 10 to
20 kt. chance of rain showers. waves 4 to 7 ft occasionally to
9 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.tuesday...west winds 10 to 20 kt. waves 3 to 5 ft subsiding to
1 to 3 ft. 
.wednesday...north winds 10 to 15 kt becoming northwest 10 to
20 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 020211
glflm 
expires:202605020915;;867711

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
911 pm cdt fri may 1 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 generally remain light and variable to northerly
tonight into the first half of tomorrow as high pressure of 30.2
inches sinks southeast over lake michigan. winds are then 
expected to become light and variable for a time again saturday 
afternoon before turning southerly saturday night. winds then grow
breezy saturday night into sunday as low pressure of 29.6 inches 
approaches the lake, dragging a cold front over it. winds will 
only become westerly behind the front for a time, returning to 
southwesterly on monday ahead of another stronger low of 29.4 
inches.


lmz080-669-671-673-675-777-779-870-872-874-876-878-020915-
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-
911 pm cdt fri may 1 2026

sheboygan wi to pentwater mi south...

.rest of tonight...north winds 10 to 15 kt becoming northwest.
waves 1 to 3 ft. 
.saturday...northwest winds 5 to 10 kt increasing to 10 to 15 kt
early in the afternoon, then backing to south 10 to 20 kt late.
waves 1 to 2 ft. 
.saturday night...south winds 10 to 20 kt becoming southwest
15 to 25 kt. waves 3 to 5 ft. 
.sunday...southwest winds to 30 kt. scattered rain showers in the
afternoon. waves 4 to 7 ft occasionally to 9 ft. 
.sunday night...southwest winds 15 to 25 kt diminishing to 10 to
15 kt overnight. waves 4 to 7 ft occasionally to 9 ft subsiding
to 3 to 5 ft. 
.monday...southwest winds 10 to 20 kt increasing to 30 kt in the
afternoon. waves 2 to 4 ft building to 4 to 7 ft occasionally to
9 ft. 
.monday night...west winds 15 to 25 kt becoming northwest 10 to
20 kt. chance of rain showers. waves 4 to 7 ft occasionally to
9 ft. 
.tuesday...northwest winds 10 to 20 kt becoming north. chance of
rain showers. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.wednesday...northwest winds 10 to 15 kt becoming north 10 to
20 kt. waves 3 to 5 ft.  

$$

fzus63 kmqt 020201
glfls 
expires:202605020800;;866915

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri may 1 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...

weak ridging persists between 30.0 and 30.1 inches over lake 
superior until saturday morning. troughing of 29.6 inches then moves 
over the lake late saturday night and deepens with time before a 
29.2 inch low either moves over the lake or just misses lake 
superior to the north by monday. weak ridging of 29.8 inches builds 
back over lake superior by tuesday in the wake of the low, 
intensifying to 30.0 inches by wednesday as high pressure builds 
over the northern plains.



lsz162-020800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1000 pm edt fri may 1 2026 /900 pm cdt fri may 1 2026/

.rest of tonight...west winds 5 to 15 knots. waves calm to
2 feet. 
.saturday...southwest winds 5 to 15 knots backing south late.
waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots veering west late. a
slight chance of rain showers through midnight. waves calm to
2 feet. 
.sunday...west winds 10 to 20 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. a chance of rain showers after
midnight. waves calm to 2 feet. 
.monday...west winds 15 to 25 knots. a chance of rain showers.
waves building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.monday night...northwest winds 15 to 25 knots. waves 1 to
3 feet. 
.tuesday...west winds 10 to 20 knots becoming northwest 5 to
15 knots. waves subsiding to calm to 2 feet. 
.wednesday...west winds 5 to 15 knots veering northwest. waves
calm to 2 feet. 

$$

fzus63 kmqt 020201
glfls 
expires:202605020800;;866916

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri may 1 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...

weak ridging persists between 30.0 and 30.1 inches over lake 
superior until saturday morning. troughing of 29.6 inches then moves 
over the lake late saturday night and deepens with time before a 
29.2 inch low either moves over the lake or just misses lake 
superior to the north by monday. weak ridging of 29.8 inches builds 
back over lake superior by tuesday in the wake of the low, 
intensifying to 30.0 inches by wednesday as high pressure builds 
over the northern plains.



lsz263-020800-
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 fri may 1 2026

.rest of tonight...west winds 5 to 15 knots diminishing to less
than 10 knots late. waves calm to 2 feet. 
.saturday...southwest winds less than 10 knots increasing to 5 to
15 knots in the afternoon, then backing south late. waves calm to
2 feet. 
.saturday night...south winds 5 to 15 knots veering southwest
late. a slight chance of rain showers. waves calm to 2 feet. 
.sunday...west winds 5 to 15 knots increasing to 10 to 20 knots
by mid afternoon. waves building to 2 to 4 feet, then subsiding
to 1 to 3 feet. 
.sunday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. a slight chance of rain showers after
midnight. waves 1 to 3 feet. 
.monday...west winds 15 to 25 knots diminishing to 10 to 20 knots
by mid afternoon. a chance of rain showers. waves building to
2 to 4 feet. 
.monday night...northwest winds 10 to 20 knots. waves building to
3 to 5 feet occasionally to 7 feet. 
.tuesday...west winds 10 to 20 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.wednesday...west winds 5 to 15 knots veering northwest. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 020201
glfls 
expires:202605020800;;866917

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri may 1 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...

weak ridging persists between 30.0 and 30.1 inches over lake 
superior until saturday morning. troughing of 29.6 inches then moves 
over the lake late saturday night and deepens with time before a 
29.2 inch low either moves over the lake or just misses lake 
superior to the north by monday. weak ridging of 29.8 inches builds 
back over lake superior by tuesday in the wake of the low, 
intensifying to 30.0 inches by wednesday as high pressure builds 
over the northern plains.



lsz264-020800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1000 pm edt fri may 1 2026

.rest of tonight...west winds 5 to 15 knots veering northwest
after midnight. waves calm to 2 feet. 
.saturday...west winds less than 10 knots becoming southwest 5 to
15 knots in the afternoon. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots. waves calm to
2 feet. 
.sunday...southwest winds 5 to 15 knots becoming west 10 to
20 knots by mid afternoon. waves building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.sunday night...southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. a slight chance of rain showers after
midnight. waves 1 to 3 feet. 
.monday...west winds 10 to 20 knots increasing to 15 to 25 knots
by mid afternoon. a chance of rain showers. waves building to
2 to 4 feet. 
.monday night...northwest winds 15 to 25 knots. waves building to
3 to 5 feet occasionally to 7 feet. 
.tuesday...west winds 15 to 25 knots diminishing to 5 to
15 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.wednesday...west winds 5 to 15 knots veering northwest. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 020201
glfls 
expires:202605020800;;866918

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri may 1 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...

weak ridging persists between 30.0 and 30.1 inches over lake 
superior until saturday morning. troughing of 29.6 inches then moves 
over the lake late saturday night and deepens with time before a 
29.2 inch low either moves over the lake or just misses lake 
superior to the north by monday. weak ridging of 29.8 inches builds 
back over lake superior by tuesday in the wake of the low, 
intensifying to 30.0 inches by wednesday as high pressure builds 
over the northern plains.



lsz265-020800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1000 pm edt fri may 1 2026

.rest of tonight...northwest winds 10 to 20 knots backing west
late. waves calm to 2 feet. 
.saturday...west winds 5 to 15 knots backing south in the
afternoon, then backing southeast late. waves calm to 2 feet. 
.saturday night...south winds 10 to 20 knots. waves calm to
2 feet. 
.sunday...southwest winds 10 to 20 knots becoming west 15 to
25 knots by mid afternoon. a slight chance of rain showers by mid
afternoon. waves calm to 2 feet. 
.sunday night...southwest winds 10 to 20 knots increasing to
15 to 25 knots after midnight. a slight chance of rain showers
after midnight. waves calm to 2 feet. 
.monday...west winds 15 to 25 knots increasing to 20 to 30 knots
by mid afternoon. a chance of rain showers through early
afternoon, then rain showers likely by mid afternoon. waves
building to 2 to 4 feet. 
.monday night...northwest winds 20 to 30 knots. waves subsiding
to 1 to 3 feet, then building to 3 to 5 feet occasionally to
7 feet. 
.tuesday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to calm to 2 feet, then building to
1 to 3 feet. 
.wednesday...northwest winds 10 to 20 knots backing west. waves
subsiding to calm to 2 feet. 

$$

fzus63 kmqt 020201
glfls 
expires:202605020800;;866919

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri may 1 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...

weak ridging persists between 30.0 and 30.1 inches over lake 
superior until saturday morning. troughing of 29.6 inches then moves 
over the lake late saturday night and deepens with time before a 
29.2 inch low either moves over the lake or just misses lake 
superior to the north by monday. weak ridging of 29.8 inches builds 
back over lake superior by tuesday in the wake of the low, 
intensifying to 30.0 inches by wednesday as high pressure builds 
over the northern plains.



lsz266-020800-
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 fri may 1 2026

.rest of tonight...northwest winds 10 to 20 knots diminishing to
5 to 15 knots late. waves calm to 2 feet. 
.saturday...northwest winds 5 to 15 knots backing southwest late.
waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves calm to 2 feet. 
.sunday...southwest winds 10 to 20 knots veering west by mid
afternoon. a chance of rain showers. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.sunday night...west winds 10 to 20 knots becoming south 15 to
25 knots after midnight. a slight chance of rain showers after
midnight. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.monday...southwest winds 20 to 30 knots veering west by mid
afternoon. a chance of rain showers through early afternoon, then
rain showers likely by mid afternoon. waves building to 3 to
5 feet occasionally to 7 feet. 
.monday night...northwest winds 20 to 30 knots. a chance of rain
showers through midnight. waves building to 4 to 7 feet
occasionally to 9 feet. 
.tuesday...northwest winds 15 to 25 knots becoming west 10 to
20 knots. waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to 1 to 3 feet. 
.wednesday...northwest winds 10 to 20 knots. waves subsiding to
calm to 2 feet, then building to 2 to 4 feet. 

$$

fzus63 kmqt 020201
glfls 
expires:202605020800;;866920

open lake forecast for lake superior
national weather service marquette mi
1000 pm edt fri may 1 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...

weak ridging persists between 30.0 and 30.1 inches over lake 
superior until saturday morning. troughing of 29.6 inches then moves 
over the lake late saturday night and deepens with time before a 
29.2 inch low either moves over the lake or just misses lake 
superior to the north by monday. weak ridging of 29.8 inches builds 
back over lake superior by tuesday in the wake of the low, 
intensifying to 30.0 inches by wednesday as high pressure builds 
over the northern plains.



lsz267-020800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1000 pm edt fri may 1 2026

.rest of tonight...northwest winds 10 to 20 knots diminishing to
5 to 15 knots late. waves 1 to 3 feet subsiding to calm to
2 feet. 
.saturday...northwest winds 5 to 15 knots becoming west 10 to
20 knots in the afternoon, then diminishing to 5 to 15 knots
late. waves calm to 2 feet. 
.saturday night...south winds 5 to 15 knots increasing to 10 to
20 knots late. waves calm to 2 feet. 
.sunday...south winds 10 to 20 knots veering west by mid
afternoon. a chance of rain showers. waves calm to 2 feet. 
.sunday night...west winds 10 to 20 knots backing south after
midnight. a slight chance of rain showers after midnight. waves
building to 1 to 3 feet. 
.monday...south winds 15 to 25 knots becoming west 20 to 30 knots
by mid afternoon. a chance of rain showers through early
afternoon, then rain showers likely by mid afternoon. waves
building to 3 to 5 feet occasionally to 7 feet. 
.monday night...west winds 15 to 25 knots becoming northwest
20 to 30 knots after midnight. a chance of rain showers. waves
building to 5 to 8 feet occasionally to 10 feet. 
.tuesday...west winds 15 to 25 knots diminishing to 10 to
20 knots. waves subsiding to 1 to 3 feet, then building to 2 to
4 feet. 
.wednesday...west winds 10 to 20 knots veering northwest. waves
subsiding to calm to 2 feet, then building to 2 to 4 feet. 

$$