fzus63 kdtx 270153
glflh 
expires:202605271000;;707374

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 pm edt tue may 26 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, 30.30 inches, builds in from the north
offering weaker flow and mainly dry conditions for most of the
week.


lhz361-271000-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
953 pm edt tue may 26 2026

.rest of tonight...northwest winds 10 to 15 knots decreasing to
5 to 10 knots after midnight. waves 2 to 4 feet subsiding to 1 to
3 feet after midnight. 
.wednesday...north winds 5 to 10 knots early in the morning
becoming light and variable...then becoming southwest 5 to
10 knots late in the afternoon. waves 2 feet or less. 
.wednesday night...northwest winds 10 to 15 knots veering to the
north after midnight. waves 2 to 4 feet. 
.thursday...north winds 5 to 10 knots backing to the southwest
early in the afternoon. waves 2 feet or less. 
.thursday night...west winds 5 to 10 knots. waves 2 feet or less.
.friday...west winds 10 to 15 knots veering to the north late in
the evening. waves 1 to 3 feet building to 2 to 4 feet. 
.saturday...northeast winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then backing
to the north early in the evening backing to the west by
midnight. waves 2 feet or less. 
.sunday...southeast winds 5 to 10 knots veering to the west in
the late morning and early afternoon...then increasing to 10 to
15 knots . waves 2 feet or less. 


$$

fzus63 kdtx 270153
glflh 
expires:202605271000;;707375

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 pm edt tue may 26 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, 30.30 inches, builds in from the north
offering weaker flow and mainly dry conditions for most of the
week.


lhz362-363-271000-
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-
953 pm edt tue may 26 2026

.rest of tonight...northwest winds 10 to 15 knots decreasing to
5 to 10 knots early in the morning. waves 3 to 5 feet. 
.wednesday...north winds 5 to 10 knots. waves 1 to 3 feet. 
.wednesday night...north winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet
building to 2 to 4 feet after midnight. 
.thursday...north winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet early in the afternoon. 
.thursday night...north winds 5 to 10 knots backing to the west
in the late evening and overnight. waves 2 feet or less. 
.friday...southwest winds 5 to 10 knots. waves 1 to 3 feet
building to 2 to 4 feet. 
.saturday...north winds 10 to 15 knots decreasing to 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...north winds 5 to 10 knots backing to the west by
midnight. waves 2 feet or less. 


$$

fzus63 kdtx 270153
glflh 
expires:202605271000;;707376

open lake forecast for lake huron
national weather service detroit/pontiac mi
953 pm edt tue may 26 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, 30.30 inches, builds in from the north
offering weaker flow and mainly dry conditions for most of the
week.


lhz462>464-271000-
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 tue may 26 2026

.rest of tonight...west winds 5 to 10 knots veering to the
northwest after midnight. waves 1 to 3 feet. 
.wednesday...north winds 5 to 10 knots. waves 2 feet or less. 
.wednesday night...north winds 5 to 10 knots increasing to 10 to
15 knots after midnight. waves 1 to 3 feet. 
.thursday...north winds 10 to 15 knots. waves 2 to 4 feet. 
.thursday night...north winds 5 to 10 knots early in the evening
becoming light and variable. waves 2 to 4 feet subsiding to 1 to
3 feet in the late evening and overnight. 
.friday...light and variable winds becoming west 5 to 10 knots.
waves 2 feet or less. 
.saturday...north winds 10 to 15 knots decreasing to 5 to
10 knots by midnight. waves 2 to 4 feet. 
.sunday...north winds 5 to 10 knots. waves 2 feet or less. 


$$

fzus63 kmkx 270154
glflm 
expires:202605270915;;707393

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
854 pm cdt tue may 26 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

a backdoor cold front is expected to push southwestward overnight
into wednesday morning across lake michigan, which will bring a
quick north northeast wind shift behind it. gusts up to 30 knots 
are possible along and behind this front. winds will remain north
northeast through thursday, gradually weakening thursday night as
high pressure around 30.2 inches builds into the great lakes 
region. 

a brief period of west to southwest winds over northern parts of
the lake may occur friday, with lighter winds to the south, as the
high move slowly southeast of the area. an additional backdoor 
cold front later friday night into saturday morning will allow 
for brisk north to northeast winds once again through saturday. 
winds should then weaken and remain fairly light through early 
next week, under high pressure around 30.1 inches.


lmz261-362-364-366-563-565-567-868-270915-
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-
854 pm cdt tue may 26 2026

sheboygan wi to pentwater mi north...

.rest of tonight...west winds 10 to 20 kt veering to north late
this evening, then becoming northeast 5 to 10 kt after midnight
increasing to 10 to 15 kt late. chance of showers and slight
chance of thunderstorms through early evening. waves 2 to 4 ft
subsiding to 1 to 2 ft. 
.wednesday...northeast winds 5 to 10 kt increasing to 10 to 15 kt
late in the morning, then becoming north 10 to 20 kt early in the
afternoon increasing to 15 to 25 kt late. waves 1 to 3 ft
building to 2 to 4 ft. 
.wednesday night...north winds 15 to 25 kt becoming northeast
10 to 20 kt. waves 3 to 5 ft building to 4 to 6 ft occasionally
to 8 ft. 
.thursday...northeast winds 10 to 20 kt becoming north 15 to
25 kt. waves 3 to 5 ft. 
.thursday night...northwest winds 10 to 20 kt becoming west 5 to
10 kt overnight. waves 2 to 4 ft subsiding to 1 to 2 ft. 
.friday...west winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 2 ft building to 1 to 3 ft. 
.friday night...southwest winds 10 to 20 kt backing to east.
waves 1 to 3 ft. 
.saturday...northeast winds 10 to 20 kt. waves 1 to 3 ft building
to 2 to 4 ft. 
.sunday...south winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 270154
glflm 
expires:202605270915;;707394

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
854 pm cdt tue may 26 2026

for waters beyond five nautical miles of shore on lake michigan.

waves are provided as a range of significant wave heights, which
is the average of the highest 1/3 of the wave, along with the
average height of the highest 10% of the waves which will
occasionally be encountered.

.synopsis...

a backdoor cold front is expected to push southwestward overnight
into wednesday morning across lake michigan, which will bring a
quick north northeast wind shift behind it. gusts up to 30 knots 
are possible along and behind this front. winds will remain north
northeast through thursday, gradually weakening thursday night as
high pressure around 30.2 inches builds into the great lakes 
region. 

a brief period of west to southwest winds over northern parts of
the lake may occur friday, with lighter winds to the south, as the
high move slowly southeast of the area. an additional backdoor 
cold front later friday night into saturday morning will allow 
for brisk north to northeast winds once again through saturday. 
winds should then weaken and remain fairly light through early 
next week, under high pressure around 30.1 inches.


lmz080-669-671-673-675-777-779-870-872-874-876-878-270915-
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-
854 pm cdt tue may 26 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds 10 to 20 kt becoming southeast
5 to 10 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.wednesday...northeast winds 5 to 10 kt becoming north late in
the morning, then becoming 10 to 20 kt early in the afternoon
increasing to 15 to 25 kt late. waves 1 to 3 ft building to 2 to
4 ft. 
.wednesday night...north winds 15 to 25 kt. waves 3 to 5 ft
building to 5 to 8 ft occasionally to 10 ft. 
.thursday...northeast winds 10 to 20 kt becoming north 15 to
25 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft. 
.thursday night...north winds 10 to 20 kt diminishing to 5 to
10 kt overnight. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.friday...north winds 5 to 10 kt increasing to 10 to 15 kt. waves
1 to 3 ft. 
.friday night...southeast winds 5 to 10 kt becoming east. waves
1 to 2 ft. 
.saturday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 1 to 3 ft building to 2 to 4 ft. 
.sunday...southeast winds 5 to 10 kt backing to northeast 10 to
20 kt. waves 1 to 3 ft.  

$$

fzus63 kmqt 270201
glfls 
expires:202605270800;;707524

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue may 26 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... 

ridging of 30.2 inches builds over lake superior tonight from a 30.4 
inch high over the western shores of hudson bay. this parent high 
shifts southward over the lake at 30.3 inches on thursday. the high 
weakens to around 30.1 inches on friday as it continues its 
southerly propagation towards lower michigan. following this, a 
second ridge pushing in from hudson bay brings 30.1 inch ridging 
back over lake superior late on friday, with pressure increasing 
once again to 30.3 inches by saturday midday as the parent high over 
hudson bay shifts south. high pressure persists over lake superior 
through early next week.



lsz162-270800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm edt tue may 26 2026 /901 pm cdt tue may 26 2026/

.rest of tonight...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.wednesday...northeast winds 10 to 20 knots veering east in the
afternoon, then backing northeast late. waves building to 2 to
4 feet. 
.wednesday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...north winds 5 to 15 knots backing west after
midnight. waves calm to 2 feet. 
.friday...southwest winds 5 to 15 knots. waves building to 1 to
3 feet, then subsiding to calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves building to 2 to 4 feet. 
.saturday...northeast winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to calm to 2 feet. 
.sunday...east winds 5 to 15 knots backing northeast. waves calm
to 2 feet. 

$$

fzus63 kmqt 270201
glfls 
expires:202605270800;;707525

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue may 26 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... 

ridging of 30.2 inches builds over lake superior tonight from a 30.4 
inch high over the western shores of hudson bay. this parent high 
shifts southward over the lake at 30.3 inches on thursday. the high 
weakens to around 30.1 inches on friday as it continues its 
southerly propagation towards lower michigan. following this, a 
second ridge pushing in from hudson bay brings 30.1 inch ridging 
back over lake superior late on friday, with pressure increasing 
once again to 30.3 inches by saturday midday as the parent high over 
hudson bay shifts south. high pressure persists over lake superior 
through early next week.



lsz263-270800-
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-
1001 pm edt tue may 26 2026

.rest of tonight...east winds 5 to 15 knots backing northeast
after midnight. waves calm to 2 feet. 
.wednesday...northeast winds 10 to 20 knots veering east late.
waves building to 2 to 4 feet. 
.wednesday night...northeast winds 5 to 15 knots. waves subsiding
to calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.thursday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.friday...southwest winds 10 to 20 knots. waves building to 1 to
3 feet. 
.friday night...east winds 5 to 15 knots increasing to 10 to
20 knots after midnight. waves subsiding to calm to 2 feet, then
building to 1 to 3 feet. 
.saturday...northeast winds 15 to 25 knots becoming east 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 270201
glfls 
expires:202605270800;;707526

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue may 26 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... 

ridging of 30.2 inches builds over lake superior tonight from a 30.4 
inch high over the western shores of hudson bay. this parent high 
shifts southward over the lake at 30.3 inches on thursday. the high 
weakens to around 30.1 inches on friday as it continues its 
southerly propagation towards lower michigan. following this, a 
second ridge pushing in from hudson bay brings 30.1 inch ridging 
back over lake superior late on friday, with pressure increasing 
once again to 30.3 inches by saturday midday as the parent high over 
hudson bay shifts south. high pressure persists over lake superior 
through early next week.



lsz264-270800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 pm edt tue may 26 2026

.rest of tonight...south winds less than 10 knots veering west
after midnight, then becoming north 5 to 15 knots late. waves
calm to 2 feet. 
.wednesday...north winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.thursday...east winds less than 10 knots veering south by mid
afternoon. waves calm to 2 feet. 
.thursday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.friday...southwest winds 10 to 20 knots. waves building to 1 to
3 feet. 
.friday night...east winds 5 to 15 knots. waves subsiding to calm
to 2 feet, then building to 1 to 3 feet. 
.saturday...east winds 5 to 15 knots. waves subsiding to calm to
2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 

$$

fzus63 kmqt 270201
glfls 
expires:202605270800;;707527

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue may 26 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... 

ridging of 30.2 inches builds over lake superior tonight from a 30.4 
inch high over the western shores of hudson bay. this parent high 
shifts southward over the lake at 30.3 inches on thursday. the high 
weakens to around 30.1 inches on friday as it continues its 
southerly propagation towards lower michigan. following this, a 
second ridge pushing in from hudson bay brings 30.1 inch ridging 
back over lake superior late on friday, with pressure increasing 
once again to 30.3 inches by saturday midday as the parent high over 
hudson bay shifts south. high pressure persists over lake superior 
through early next week.



lsz265-270800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 pm edt tue may 26 2026

.rest of tonight...south winds 5 to 15 knots backing northeast
late. waves calm to 2 feet. 
.wednesday...north winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. waves calm to 2 feet. 
.wednesday night...north winds 10 to 20 knots becoming northeast
5 to 15 knots after midnight. waves building to 1 to 3 feet, then
subsiding to calm to 2 feet. 
.thursday...northeast winds 5 to 15 knots veering east by mid
afternoon. waves calm to 2 feet. 
.thursday night...southeast winds 5 to 15 knots veering west
after midnight. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots becoming north 5 to 15 knots
by mid afternoon. waves calm to 2 feet. 
.friday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.saturday...east winds 10 to 20 knots becoming southeast 5 to
15 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.sunday...north winds 5 to 15 knots veering northeast. waves calm
to 2 feet. 

$$

fzus63 kmqt 270201
glfls 
expires:202605270800;;707528

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue may 26 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... 

ridging of 30.2 inches builds over lake superior tonight from a 30.4 
inch high over the western shores of hudson bay. this parent high 
shifts southward over the lake at 30.3 inches on thursday. the high 
weakens to around 30.1 inches on friday as it continues its 
southerly propagation towards lower michigan. following this, a 
second ridge pushing in from hudson bay brings 30.1 inch ridging 
back over lake superior late on friday, with pressure increasing 
once again to 30.3 inches by saturday midday as the parent high over 
hudson bay shifts south. high pressure persists over lake superior 
through early next week.



lsz266-270800-
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-
1001 pm edt tue may 26 2026

.rest of tonight...southwest winds 5 to 15 knots veering west
after midnight, then veering northeast late. waves calm to
2 feet. 
.wednesday...north winds 5 to 15 knots increasing to 10 to
20 knots late. waves building to 2 to 4 feet. 
.wednesday night...north winds 10 to 20 knots becoming northeast
5 to 15 knots after midnight. waves subsiding to 1 to 3 feet. 
.thursday...northeast winds 5 to 15 knots backing northwest by
mid afternoon. waves subsiding to calm to 2 feet. 
.thursday night...south winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.friday...west winds 10 to 20 knots becoming north 5 to 15 knots
by mid afternoon. waves building to 1 to 3 feet, then subsiding
to calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots becoming east 10 to
20 knots after midnight. waves calm to 2 feet. 
.saturday...east winds 10 to 20 knots diminishing to 5 to
15 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.sunday...north winds 5 to 15 knots veering northeast. waves calm
to 2 feet. 

$$

fzus63 kmqt 270201
glfls 
expires:202605270800;;707529

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt tue may 26 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... 

ridging of 30.2 inches builds over lake superior tonight from a 30.4 
inch high over the western shores of hudson bay. this parent high 
shifts southward over the lake at 30.3 inches on thursday. the high 
weakens to around 30.1 inches on friday as it continues its 
southerly propagation towards lower michigan. following this, a 
second ridge pushing in from hudson bay brings 30.1 inch ridging 
back over lake superior late on friday, with pressure increasing 
once again to 30.3 inches by saturday midday as the parent high over 
hudson bay shifts south. high pressure persists over lake superior 
through early next week.



lsz267-270800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 pm edt tue may 26 2026

.rest of tonight...west winds 5 to 15 knots veering northeast
late. waves calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots increasing to 10 to
20 knots late. waves building to 1 to 3 feet. 
.wednesday night...north winds 15 to 25 knots becoming northeast
10 to 20 knots after midnight. waves building to 2 to 4 feet,
then subsiding to calm to 2 feet. 
.thursday...north winds 5 to 15 knots backing northwest by mid
afternoon. waves calm to 2 feet. 
.thursday night...west winds 5 to 15 knots backing southwest
after midnight. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots veering northwest by mid
afternoon. waves calm to 2 feet. 
.friday night...northeast winds 5 to 15 knots becoming east 10 to
20 knots after midnight. waves calm to 2 feet. 
.saturday...northeast winds 5 to 15 knots veering southeast.
waves calm to 2 feet. 
.sunday...northwest winds 5 to 15 knots becoming northeast 10 to
20 knots. waves calm to 2 feet. 

$$