fzus63 kdtx 310137
glflh 
expires:202605310945;;924084

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 pm edt sat may 30 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, governs great lakes
conditions this weekend into next week. dry and overall favorable
marine weather is expected.


lhz361-362-310945-
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-
937 pm edt sat may 30 2026

.rest of tonight...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 afternoon. waves 2 feet or less. 
.sunday night...west winds 10 to 15 knots. waves 2 to 4 feet. 
.monday...northeast winds 5 to 10 knots. waves 1 to 3 feet. 
.monday night...light and variable winds becoming north 5 to
10 knots in the late evening and overnight. waves 2 feet or less.
.tuesday...north winds 5 to 10 knots backing to the west late in
the afternoon. waves 2 feet or less. 
.wednesday...west winds 5 to 10 knots backing to the south .
waves 2 feet or less. 
.thursday...southwest winds 5 to 10 knots becoming southeast
10 to 15 knots . a chance of showers by midnight. waves 1 to
3 feet building to 3 to 5 feet . 


$$

fzus63 kdtx 310137
glflh 
expires:202605310945;;924085

open lake forecast for lake huron
national weather service detroit/pontiac mi
937 pm edt sat may 30 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, governs great lakes
conditions this weekend into next week. dry and overall favorable
marine weather is expected.


lhz363-462>464-310945-
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-
937 pm edt sat may 30 2026

.rest of tonight...north winds 5 to 10 knots this evening
becoming light and variable. waves 1 to 3 feet. 
.sunday...light and variable winds. waves 2 feet or less. 
.sunday night...light and variable winds. waves 2 feet or less. 
.monday...northeast winds 5 to 10 knots. waves 1 to 3 feet. 
.monday night...north winds 5 to 10 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet after midnight. 
.tuesday...north winds 5 to 10 knots becoming light and variable.
waves 1 to 3 feet. 
.wednesday...light and variable winds becoming north 5 to
10 knots early in the evening...then veering to the south by
midnight. waves 2 feet or less. 
.thursday...southwest winds 5 to 10 knots becoming south 10 to
15 knots . a chance of. waves 1 to 3 feet building to 2 to 4 feet
. 


$$

fzus63 kmkx 310203
glflm 
expires:202605310930;;924623

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
903 pm cdt sat may 30 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 over the upper great lakes will strengthen to 
around 30.2 inches overnight and continue to dominate the weather
pattern through tuesday. lighter winds are expected sunday. then 
breezy easterly winds will return monday into monday night before
weakening for tuesday. winds are to become more southerly on 
wednesday as the high pressure breaks down and exits the region 
while low pressure develops over the plains. look for increasing
southerly winds thursday as low pressure of 29.7 inches crosses
the northern plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-310930-
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-
903 pm cdt sat may 30 2026

sheboygan wi to pentwater mi south...

.rest of tonight...northeast winds 10 to 20 kt becoming
southeast. waves 2 to 4 ft. 
.sunday...southeast winds 10 to 20 kt diminishing to 5 to 10 kt
late in the morning, then becoming east early in the afternoon
becoming northeast late. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.sunday night...northeast winds 5 to 10 kt becoming north. waves
1 ft or less. 
.monday...northeast winds 5 to 10 kt becoming north 10 to 20 kt
in the afternoon. waves 1 ft or less building to 1 to 3 ft. 
.monday night...northeast winds 10 to 20 kt. waves 3 to 5 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 2 to 4 ft. 
.tuesday night...north winds 10 to 20 kt becoming northeast 5 to
10 kt. waves 2 to 4 ft. 
.wednesday...east winds 5 to 10 kt becoming southeast. waves 1 to
2 ft. 
.thursday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft building to 3 to 5 ft.  

$$

fzus63 kmkx 310203
glflm 
expires:202605310930;;924622

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
903 pm cdt sat may 30 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 over the upper great lakes will strengthen to 
around 30.2 inches overnight and continue to dominate the weather
pattern through tuesday. lighter winds are expected sunday. then 
breezy easterly winds will return monday into monday night before
weakening for tuesday. winds are to become more southerly on 
wednesday as the high pressure breaks down and exits the region 
while low pressure develops over the plains. look for increasing
southerly winds thursday as low pressure of 29.7 inches crosses
the northern plains.


lmz261-362-364-366-563-565-567-868-310930-
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-
903 pm cdt sat may 30 2026

sheboygan wi to pentwater mi north...

.rest of tonight...northeast winds 10 to 20 kt veering to south.
waves 1 to 3 ft. 
.sunday...south winds 10 to 15 kt becoming southwest. waves 1 to
3 ft. 
.sunday night...southwest winds 10 to 15 kt backing to northeast.
waves 1 to 2 ft. 
.monday...northeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 1 to 3 ft building to 2 to 4 ft. 
.monday night...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. waves 3 to 5 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 1 to 3 ft. 
.tuesday night...northwest winds 10 to 20 kt backing to south
5 to 10 kt. waves 1 to 3 ft subsiding to 1 ft or less. 
.wednesday...south winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft. 
.thursday...south winds 15 to 25 kt increasing to 30 kt. waves
2 to 4 ft building to 4 to 6 ft occasionally to 8 ft. 

$$

fzus63 kmqt 310201
glfls 
expires:202605310800;;924530

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sat may 30 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 30.2 inch high pressure holds over the great lakes tonight, then 
gradually weakens through sunday to 30.0 inches. another high 
pressure of 30.4 inches approaches the area from hudson bay sunday 
night through monday, becoming centered over the great lakes tuesday 
morning. the high weakens to 30.3 inches for tuesday night, then 
moves southeast on wednesday to the ohio river valley. meanwhile, a 
29.9 inch trough approaches from the northwest, moving over lake 
superior on thursday.




lsz264-310800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1001 pm edt sat may 30 2026

.rest of tonight...east winds 5 to 15 knots veering southeast
after midnight, then becoming south less than 10 knots late.
waves calm to 2 feet. 
.sunday...southwest winds less than 10 knots. waves calm to
2 feet. 
.sunday night...south winds less than 10 knots backing east after
midnight, then increasing to 5 to 15 knots late. waves calm to
2 feet. 
.monday...east winds 5 to 15 knots. 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 less than 10 knots veering southeast by mid
afternoon. waves calm to 2 feet. 
.tuesday night...southeast winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots backing south. waves
building to 1 to 3 feet. 
.thursday...southwest winds 5 to 15 knots veering west. a chance
of showers. waves 1 to 3 feet. 

$$

fzus63 kmqt 310201
glfls 
expires:202605310800;;924531

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sat may 30 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 30.2 inch high pressure holds over the great lakes tonight, then 
gradually weakens through sunday to 30.0 inches. another high 
pressure of 30.4 inches approaches the area from hudson bay sunday 
night through monday, becoming centered over the great lakes tuesday 
morning. the high weakens to 30.3 inches for tuesday night, then 
moves southeast on wednesday to the ohio river valley. meanwhile, a 
29.9 inch trough approaches from the northwest, moving over lake 
superior on thursday.




lsz265-310800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1001 pm edt sat may 30 2026

.rest of tonight...southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. waves calm to 2 feet. 
.sunday...south winds 5 to 15 knots backing southeast in the
afternoon. waves calm to 2 feet. 
.sunday night...east winds 5 to 15 knots diminishing to less than
10 knots after midnight, then increasing to 5 to 15 knots late.
waves calm to 2 feet. 
.monday...east winds 5 to 15 knots. waves calm to 2 feet. 
.monday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...east winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday night...southeast winds 5 to 15 knots veering southwest
after midnight. waves calm to 2 feet. 
.wednesday...southeast winds 5 to 15 knots becoming south 10 to
20 knots. waves calm to 2 feet. 
.thursday...south winds 10 to 20 knots becoming southwest 15 to
25 knots. a chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 310201
glfls 
expires:202605310800;;924532

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sat may 30 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 30.2 inch high pressure holds over the great lakes tonight, then 
gradually weakens through sunday to 30.0 inches. another high 
pressure of 30.4 inches approaches the area from hudson bay sunday 
night through monday, becoming centered over the great lakes tuesday 
morning. the high weakens to 30.3 inches for tuesday night, then 
moves southeast on wednesday to the ohio river valley. meanwhile, a 
29.9 inch trough approaches from the northwest, moving over lake 
superior on thursday.




lsz266-310800-
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 sat may 30 2026

.rest of tonight...southeast winds 5 to 15 knots veering south
late. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots veering west late. waves
calm to 2 feet. 
.sunday night...north winds less than 10 knots becoming east 5 to
15 knots late. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots backing northeast by mid
afternoon. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 
.monday night...northeast winds 5 to 15 knots. waves calm to
2 feet. 
.tuesday...east winds 5 to 15 knots becoming southeast less than
10 knots by mid afternoon. waves calm to 2 feet. 
.tuesday night...south winds 5 to 15 knots. 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. 
.thursday...south winds 10 to 20 knots becoming southwest 15 to
25 knots. a chance of showers. waves subsiding to calm to 2 feet,
then building to 2 to 4 feet. 

$$

fzus63 kmqt 310201
glfls 
expires:202605310800;;924533

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sat may 30 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 30.2 inch high pressure holds over the great lakes tonight, then 
gradually weakens through sunday to 30.0 inches. another high 
pressure of 30.4 inches approaches the area from hudson bay sunday 
night through monday, becoming centered over the great lakes tuesday 
morning. the high weakens to 30.3 inches for tuesday night, then 
moves southeast on wednesday to the ohio river valley. meanwhile, a 
29.9 inch trough approaches from the northwest, moving over lake 
superior on thursday.




lsz267-310800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1001 pm edt sat may 30 2026

.rest of tonight...southeast winds 5 to 15 knots veering south
late. waves calm to 2 feet. 
.sunday...southwest winds 5 to 15 knots veering northwest late.
waves calm to 2 feet. 
.sunday night...northwest winds 5 to 15 knots veering northeast
late. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots becoming north 10 to 20 knots
by mid afternoon. waves calm to 2 feet. 
.monday night...north winds 5 to 15 knots veering northeast after
midnight. waves calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots backing northwest by mid
afternoon. waves calm to 2 feet. 
.tuesday night...north winds 5 to 15 knots veering south after
midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots becoming south 10 to
20 knots. waves building to 2 to 4 feet. 
.thursday...south winds 10 to 20 knots veering southwest. a
chance of showers. waves subsiding to calm to 2 feet, then
building to 2 to 4 feet. 

$$

fzus63 kmqt 310201
glfls 
expires:202605310800;;924528

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sat may 30 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 30.2 inch high pressure holds over the great lakes tonight, then 
gradually weakens through sunday to 30.0 inches. another high 
pressure of 30.4 inches approaches the area from hudson bay sunday 
night through monday, becoming centered over the great lakes tuesday 
morning. the high weakens to 30.3 inches for tuesday night, then 
moves southeast on wednesday to the ohio river valley. meanwhile, a 
29.9 inch trough approaches from the northwest, moving over lake 
superior on thursday.




lsz162-310800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1001 pm edt sat may 30 2026 /901 pm cdt sat may 30 2026/

.rest of tonight...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves 3 to 5 feet occasionally to
7 feet subsiding to calm to 2 feet. 
.sunday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.sunday night...north winds 5 to 15 knots veering northeast late.
waves calm to 2 feet. 
.monday...northeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. waves building to 2 to 4 feet. 
.monday night...northeast winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. waves subsiding to calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.tuesday night...northeast winds 5 to 15 knots becoming north
less than 10 knots after midnight. waves calm to 2 feet. 
.wednesday...southwest winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots becoming west 10 to
20 knots. a chance of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 310201
glfls 
expires:202605310800;;924529

open lake forecast for lake superior
national weather service marquette mi
1001 pm edt sat may 30 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 30.2 inch high pressure holds over the great lakes tonight, then 
gradually weakens through sunday to 30.0 inches. another high 
pressure of 30.4 inches approaches the area from hudson bay sunday 
night through monday, becoming centered over the great lakes tuesday 
morning. the high weakens to 30.3 inches for tuesday night, then 
moves southeast on wednesday to the ohio river valley. meanwhile, a 
29.9 inch trough approaches from the northwest, moving over lake 
superior on thursday.




lsz263-310800-
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 sat may 30 2026

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

$$