fzus63 kdtx 291953
glflh 
expires:202605300400;;856570

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm edt fri may 29 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...breezy northeast winds develop tonight as a cold front
drops across the eastern great lakes. high pressure, 30.30
inches, then returns for the weekend into early next week
supporting an extended stretch of dry weather.


lhz361-362-300400-
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-
353 pm edt fri may 29 2026

.tonight...west winds 15 to 20 knots veering to the north late in
the evening...then veering to the northeast after midnight
decreasing to 10 to 15 knots early in the morning. waves 3 to
5 feet. 
.saturday...northeast winds 5 to 10 knots until late afternoon
becoming light and variable. waves 2 to 4 feet subsiding to 1 to
3 feet in the late morning and afternoon. 
.saturday night...light and variable winds. waves 2 feet or less.
.sunday...light and variable winds becoming west 5 to 10 knots in
the late morning and early afternoon...then backing to the
southeast early in the afternoon. waves 2 feet or less. 
.sunday night...west winds 10 to 15 knots becoming northwest 5 to
10 knots after midnight. waves 2 to 4 feet. 
.monday...north winds 5 to 10 knots veering to the northeast late
in the morning...then becoming light and variable late in the
afternoon becoming northwest 5 to 10 knots late in the evening.
waves 1 to 3 feet. 
.tuesday...north winds 5 to 10 knots backing to the southwest
early in the evening...then veering to the west by midnight.
waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots backing to the south by
midnight. waves 2 feet or less. 


$$

fzus63 kdtx 291953
glflh 
expires:202605300400;;856571

open lake forecast for lake huron
national weather service detroit/pontiac mi
353 pm edt fri may 29 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...breezy northeast winds develop tonight as a cold front
drops across the eastern great lakes. high pressure, 30.30
inches, then returns for the weekend into early next week
supporting an extended stretch of dry weather.


lhz363-462>464-300400-
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-
353 pm edt fri may 29 2026

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


$$

fzus63 kmkx 292007
glflm 
expires:202605300315;;857375

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 pm cdt fri may 29 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 30.0 inches over the upper great lakes will
strengthen to 30.2 inches by saturday night dominate the 
weather pattern into early next week. breezy northeast to 
easterly prevailing winds will develop in the wake of a cold
front overnight through saturday, and again monday into monday 
night. winds will gradually become southerly on wednesday as the
high begins to exit and low pressure develops in the southern 
plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-300315-
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-
307 pm cdt fri may 29 2026

sheboygan wi to pentwater mi south...

.tonight...east winds 10 to 15 kt becoming northeast late this
evening, then becoming east 15 to 25 kt late. waves 1 to 2 ft 
building to 2 to 4 ft. 
.saturday...east winds 15 to 25 kt becoming northeast 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.saturday night...northeast winds 10 to 20 kt becoming southeast
10 to 15 kt. waves 2 to 4 ft. 
.sunday...southeast winds 10 to 15 kt becoming northeast. waves
1 to 3 ft subsiding to 1 to 2 ft. 
.sunday night...northeast winds 10 to 15 kt becoming northwest.
waves 1 ft or less. 
.monday...north winds 10 to 15 kt increasing to 15 to 25 kt in
the afternoon. waves 1 ft or less building to 1 to 3 ft. 
.monday night...northeast winds 15 to 25 kt diminishing to 10 to
15 kt. waves 3 to 5 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 15 to
25 kt. waves 1 to 3 ft. 
.wednesday...southeast winds 5 to 10 kt increasing to 10 to
15 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 292007
glflm 
expires:202605300315;;857374

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
307 pm cdt fri may 29 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 30.0 inches over the upper great lakes will
strengthen to 30.2 inches by saturday night dominate the 
weather pattern into early next week. breezy northeast to 
easterly prevailing winds will develop in the wake of a cold
front overnight through saturday, and again monday into monday 
night. winds will gradually become southerly on wednesday as the
high begins to exit and low pressure develops in the southern 
plains.


lmz261-362-364-366-563-565-567-868-300315-
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-
307 pm cdt fri may 29 2026

sheboygan wi to pentwater mi north...

.tonight...southwest winds 10 to 15 kt backing to east 10 to
20 kt late this evening, then increasing to 15 to 25 kt after
midnight. waves 2 to 4 ft. 
.saturday...east winds 10 to 20 kt becoming northeast. waves 2 to
4 ft. 
.saturday night...northeast winds 10 to 20 kt veering to south
10 to 15 kt. waves 1 to 3 ft. 
.sunday...south winds 10 to 15 kt becoming southwest 10 to 20 kt.
waves 1 to 3 ft. 
.sunday night...southwest winds 10 to 15 kt veering to northwest
5 to 10 kt. waves 1 to 2 ft. 
.monday...northeast winds 10 to 15 kt increasing to 15 to 25 kt
in the afternoon. waves 1 ft or less building to 1 to 3 ft. 
.monday night...northeast winds 15 to 25 kt diminishing to 10 to
15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 1 to 3 ft. 
.wednesday...south winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft.  

$$

fzus63 kmqt 292001
glfls 
expires:202605300800;;856715

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri may 29 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... 

30.0 inch high pressure is centered near southern lake michigan this 
afternoon, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz264-300800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 pm edt fri may 29 2026

.late this afternoon...south winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...east winds 5 to 15 knots increasing to 15 to 25 knots
after midnight. waves building to 3 to 5 feet occasionally to
7 feet. 
.saturday...east winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.saturday night...east winds 5 to 15 knots becoming south less
than 10 knots late. waves subsiding to calm to 2 feet. 
.sunday...southwest winds less than 10 knots. waves calm to
2 feet. 
.sunday night...southwest winds less than 10 knots backing east
after midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.wednesday...southwest winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 

$$

fzus63 kmqt 292001
glfls 
expires:202605300800;;856716

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri may 29 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... 

30.0 inch high pressure is centered near southern lake michigan this 
afternoon, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz265-300800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 pm edt fri may 29 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...southeast winds 5 to 15 knots becoming east 15 to
25 knots after midnight. waves building to 3 to 5 feet
occasionally to 7 feet. 
.saturday...east winds 15 to 25 knots. waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet. 
.saturday night...southeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight, then veering south late. waves
subsiding to calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots backing east by mid
afternoon. waves calm to 2 feet. 
.sunday night...southeast winds 5 to 15 knots backing northeast
after midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...east winds 5 to 15 knots veering southeast after
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.wednesday...southeast winds 10 to 20 knots veering southwest. a
chance of showers. waves building to 1 to 3 feet, then subsiding
to calm to 2 feet. 

$$

fzus63 kmqt 292001
glfls 
expires:202605300800;;856717

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri may 29 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... 

30.0 inch high pressure is centered near southern lake michigan this 
afternoon, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz266-300800-
lake superior east of a line from manitou island to marquette mi
and west of a line from grand marais mi to the us/canadian border
beyond 5nm from shore-
400 pm edt fri may 29 2026

.late this afternoon...northeast winds 5 to 15 knots. waves calm
to 2 feet. 
.tonight...east winds 15 to 25 knots. waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. 
.saturday...east winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.saturday night...east winds 5 to 15 knots veering south late.
waves subsiding to calm to 2 feet. 
.sunday...south winds 5 to 15 knots becoming west less than
10 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots veering northeast
after midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots backing northeast by mid
afternoon. waves calm to 2 feet. 
.monday night...northeast winds 5 to 15 knots veering east after
midnight. waves calm to 2 feet. 
.tuesday...east winds 5 to 15 knots veering south. waves calm to
2 feet. 
.wednesday...south winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 2 to 4 feet. 

$$

fzus63 kmqt 292001
glfls 
expires:202605300800;;856718

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri may 29 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... 

30.0 inch high pressure is centered near southern lake michigan this 
afternoon, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz267-300800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 pm edt fri may 29 2026

.late this afternoon...north winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...northeast winds 15 to 25 knots veering east after
midnight, then diminishing to 10 to 20 knots late. waves building
to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.saturday...east winds 5 to 15 knots backing northeast in the
afternoon. waves subsiding to calm to 2 feet. 
.saturday night...northeast winds 5 to 15 knots veering southeast
after midnight, then veering south late. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots veering northwest by mid
afternoon. waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots becoming north 10 to
20 knots by mid afternoon. waves calm to 2 feet. 
.monday night...north winds 10 to 20 knots becoming northeast
5 to 15 knots after midnight. waves calm to 2 feet. 
.tuesday...north winds 5 to 15 knots veering south. waves calm to
2 feet. 
.wednesday...southeast winds 5 to 15 knots becoming south 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 

$$

fzus63 kmqt 292001
glfls 
expires:202605300800;;856713

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri may 29 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... 

30.0 inch high pressure is centered near southern lake michigan this 
afternoon, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz162-300800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 pm edt fri may 29 2026 /300 pm cdt fri may 29 2026/

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...east winds 10 to 20 knots becoming northeast 20 to
30 knots after midnight, then increasing to 30 knots with a few
gale force gusts to 35 knots possible late. waves building to
3 to 6 feet occasionally to 8 feet. 
.saturday...northeast winds 20 to 30 knots. waves building to
4 to 7 feet occasionally to 9 feet. 
.saturday night...northeast winds 20 to 30 knots diminishing to
5 to 15 knots. waves subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...southwest winds 5 to 15 knots backing northeast
after midnight. waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots. waves building to 1 to
3 feet. 
.monday night...northeast winds 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. a chance of showers
and thunderstorms. waves calm to 2 feet. 

$$

fzus63 kmqt 292001
glfls 
expires:202605300800;;856714

open lake forecast for lake superior
national weather service marquette mi
400 pm edt fri may 29 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... 

30.0 inch high pressure is centered near southern lake michigan this 
afternoon, with another high pressure over hudson bay. this second 
high pressure reaches the upper great lakes tomorrow at 30.3 inches 
and remains over the area into sunday. the high weakens to around 
30.0 inches by late sunday as another 30.3 inch high approaches the 
area from hudson bay, which builds over the great lakes monday into 
tuesday.



lsz263-300800-
lake superior from saxon harbor wi to upper entrance to portage
canal mi 5nm off shore to the us/canadian border including isle
royale national park-
400 pm edt fri may 29 2026

.late this afternoon...east winds 5 to 15 knots. waves calm to
2 feet. 
.tonight...east winds 10 to 20 knots increasing to 15 to 25 knots
after midnight. waves building to 2 to 4 feet. 
.saturday...east winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon, then becoming northeast 20 to 30 knots
late. waves building to 3 to 6 feet occasionally to 8 feet. 
.saturday night...east winds 15 to 25 knots diminishing to 5 to
15 knots after midnight, then veering south late. waves subsiding
to calm to 2 feet. 
.sunday...southwest winds less than 10 knots increasing to 5 to
15 knots by mid afternoon. waves calm to 2 feet. 
.sunday night...southwest winds less than 10 knots becoming
northeast 5 to 15 knots after midnight. waves calm to 2 feet. 
.monday...northeast winds 5 to 15 knots. waves building to 1 to
3 feet. 
.monday night...east winds 5 to 15 knots. waves subsiding to calm
to 2 feet. 
.tuesday...east winds 5 to 15 knots veering southwest. waves calm
to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 

$$