fzus63 kdtx 300755
glflh 
expires:202605301600;;883198

open lake forecast for lake huron
national weather service detroit/pontiac mi
355 am 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...post-frontal high pressure, 30.30 inches, returns 
for the weekend into early next week supporting an extended 
stretch of dry weather.


lhz361-362-301600-
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-
355 am edt sat may 30 2026

.today...northeast winds 5 to 10 knots in the morning becoming
light and variable. waves 2 to 4 feet subsiding to 1 to 3 feet in
the late morning and afternoon. 
.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 becoming northwest 5 to
10 knots after midnight. waves 2 to 4 feet. 
.monday...north winds 5 to 10 knots veering to the east late in
the morning...then becoming light and variable late in the
afternoon becoming northwest 5 to 10 knots late in the evening.
waves 2 feet or less. 
.tuesday...north winds 5 to 10 knots backing to the west . waves
2 feet or less. 
.wednesday...west winds 5 to 10 knots backing to the south by
midnight. waves 2 feet or less. 


$$

fzus63 kdtx 300755
glflh 
expires:202605301600;;883199

open lake forecast for lake huron
national weather service detroit/pontiac mi
355 am 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...post-frontal high pressure, 30.30 inches, returns 
for the weekend into early next week supporting an extended 
stretch of dry weather.


lhz363-462>464-301600-
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-
355 am edt sat may 30 2026

.today...northeast winds 10 to 15 knots becoming north 5 to
10 knots in the late morning and afternoon. waves 2 to 4 feet
subsiding to 1 to 3 feet in the afternoon. 
.tonight...north winds 5 to 10 knots in the evening becoming
light and variable. waves 2 to 4 feet subsiding to 1 to 3 feet
after midnight. 
.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 backing to the northwest by
midnight. waves 1 to 3 feet. 
.wednesday...west winds 5 to 10 knots backing to the southeast by
midnight. waves 2 feet or less. 


$$

fzus63 kmkx 300803
glflm 
expires:202605301530;;883537

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am 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 tonight and continue to dominate the weather 
pattern into start of the week. will see breezy northeast to 
easterly winds in the wake of a backdoor cold front this morning 
through day today before lighter winds return for sunday. then a 
similar pattern is expected again monday into monday night with 
breezy easterly winds returning before weakening for tuesday. 
winds then look to become more southerly on wednesday as the high
pressure breaks down and exits the region while low pressure 
develops over the plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-301530-
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-
303 am cdt sat may 30 2026

sheboygan wi to pentwater mi south...

.today...east winds 15 to 25 kt becoming northeast 10 to 20 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.tonight...northeast winds 10 to 20 kt veering to southeast.
waves 2 to 4 ft. 
.sunday...southeast winds 10 to 15 kt backing to northeast. 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 becoming east 10 to
15 kt. waves 2 to 4 ft. 
.tuesday...northeast winds 10 to 15 kt becoming north 10 to
20 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 300803
glflm 
expires:202605301530;;883536

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
303 am 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 tonight and continue to dominate the weather 
pattern into start of the week. will see breezy northeast to 
easterly winds in the wake of a backdoor cold front this morning 
through day today before lighter winds return for sunday. then a 
similar pattern is expected again monday into monday night with 
breezy easterly winds returning before weakening for tuesday. 
winds then look to become more southerly on wednesday as the high
pressure breaks down and exits the region while low pressure 
develops over the plains.


lmz261-362-364-366-563-565-567-868-301530-
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 sat may 30 2026

sheboygan wi to pentwater mi north...

.today...east winds 10 to 20 kt becoming northeast. waves 1 to
3 ft. 
.tonight...northeast winds 10 to 20 kt veering to south 10 to
15 kt. waves 1 to 3 ft. 
.sunday...south winds 5 to 10 kt becoming southwest. waves 1 to
2 ft. 
.sunday night...southwest winds 10 to 15 kt veering to northwest.
waves 1 to 2 ft. 
.monday...northeast winds 10 to 20 kt. waves 1 to 3 ft. 
.monday night...northeast winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 3 ft. 
.tuesday...northeast winds 5 to 10 kt becoming northwest 10 to
20 kt. waves 1 to 2 ft. 
.wednesday...south winds 5 to 10 kt becoming southwest 10 to
15 kt. waves 1 to 2 ft.  

$$

fzus63 kmqt 300801
glfls 
expires:202605302000;;883362

open lake forecast for lake superior
national weather service marquette mi
400 am 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 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through today, arriving at 30.3 inches. the high 
remains over the area into tomorrow while progressively weakening 
with time, eventually becoming around 30.0 inches by late tomorrow 
as another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz264-302000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt sat may 30 2026

.early this morning...east winds 10 to 20 knots. waves 2 to
4 feet. 
.today...east winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.tonight...east winds 5 to 15 knots veering southeast after
midnight, then becoming south less than 10 knots late. waves
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...south 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...south winds 5 to 15 knots. a chance of showers.
waves building to 1 to 3 feet. 

$$

fzus63 kmqt 300801
glfls 
expires:202605302000;;883363

open lake forecast for lake superior
national weather service marquette mi
400 am 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 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through today, arriving at 30.3 inches. the high 
remains over the area into tomorrow while progressively weakening 
with time, eventually becoming around 30.0 inches by late tomorrow 
as another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz265-302000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt sat may 30 2026

.early this morning...east winds 15 to 25 knots. waves 2 to
4 feet. 
.today...east winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. waves 2 to 4 feet. 
.tonight...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...south winds 5 to 15 knots backing east in the
afternoon. waves calm to 2 feet. 
.sunday night...east winds 5 to 15 knots. 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 south. waves calm to
2 feet. 
.wednesday...southeast winds 5 to 15 knots becoming south 10 to
20 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 300801
glfls 
expires:202605302000;;883364

open lake forecast for lake superior
national weather service marquette mi
400 am 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 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through today, arriving at 30.3 inches. the high 
remains over the area into tomorrow while progressively weakening 
with time, eventually becoming around 30.0 inches by late tomorrow 
as another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz266-302000-
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 sat may 30 2026

.early this morning...east winds 10 to 20 knots. waves 3 to
5 feet occasionally to 7 feet subsiding to 2 to 4 feet. 
.today...east winds 10 to 20 knots. waves subsiding to 1 to
3 feet. 
.tonight...east winds 5 to 15 knots veering south late. waves
subsiding to calm to 2 feet. 
.sunday...south winds less than 10 knots backing north late.
waves calm to 2 feet. 
.sunday night...northwest winds less than 10 knots becoming
northeast 5 to 15 knots 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...southeast winds 5 to 15 knots veering south. waves
calm to 2 feet. 
.wednesday...south winds 10 to 20 knots. waves building to 2 to
4 feet. 

$$

fzus63 kmqt 300801
glfls 
expires:202605302000;;883365

open lake forecast for lake superior
national weather service marquette mi
400 am 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 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through today, arriving at 30.3 inches. the high 
remains over the area into tomorrow while progressively weakening 
with time, eventually becoming around 30.0 inches by late tomorrow 
as another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz267-302000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt sat may 30 2026

.early this morning...east winds 10 to 20 knots. waves 1 to
3 feet subsiding to calm to 2 feet. 
.today...east winds 5 to 15 knots backing northeast in the
afternoon. waves calm to 2 feet. 
.tonight...east winds 5 to 15 knots veering south late. waves
calm to 2 feet. 
.sunday...southeast winds less than 10 knots veering northwest in
the afternoon, then increasing to 5 to 15 knots late. waves calm
to 2 feet. 
.sunday night...northwest winds 5 to 15 knots veering north after
midnight. waves calm to 2 feet. 
.monday...east winds 5 to 15 knots becoming northeast 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...south winds 5 to 15 knots increasing to 10 to
20 knots. waves building to 2 to 4 feet. 

$$

fzus63 kmqt 300801
glfls 
expires:202605302000;;883360

open lake forecast for lake superior
national weather service marquette mi
400 am 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 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through today, arriving at 30.3 inches. the high 
remains over the area into tomorrow while progressively weakening 
with time, eventually becoming around 30.0 inches by late tomorrow 
as another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz162-302000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt sat may 30 2026 /300 am cdt sat may 30 2026/

.early this morning...northeast winds 15 to 25 knots. waves 2 to
4 feet building to 3 to 5 feet occasionally to 7 feet. 
.today...northeast winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. waves building to 3 to 6 feet
occasionally to 8 feet. 
.tonight...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 veering east in the
afternoon. waves calm to 2 feet. 
.sunday night...east winds 5 to 15 knots backing northeast after
midnight. 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 5 to 15 knots. waves subsiding to
calm to 2 feet. 
.tuesday...northeast winds 5 to 15 knots. waves calm to 2 feet. 
.wednesday...east winds 5 to 15 knots veering southwest. a chance
of showers. waves calm to 2 feet. 

$$

fzus63 kmqt 300801
glfls 
expires:202605302000;;883361

open lake forecast for lake superior
national weather service marquette mi
400 am 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 30.4 inch high pressure over hudson bay dives south towards the 
upper great lakes through today, arriving at 30.3 inches. the high 
remains over the area into tomorrow while progressively weakening 
with time, eventually becoming around 30.0 inches by late tomorrow 
as another 30.4 inch high approaches the area from hudson bay. this 
second high builds over the great lakes monday before arriving by 
tuesday. the high remains over the great lakes into wednesday 
morning. 




lsz263-302000-
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 sat may 30 2026

.early this morning...east winds 10 to 20 knots. waves 2 to
4 feet. 
.today...east winds 10 to 20 knots becoming northeast 15 to
25 knots in the afternoon, then increasing to 20 to 30 knots
late. waves building to 3 to 5 feet occasionally to 7 feet. 
.tonight...east winds 20 to 30 knots diminishing to 5 to 15 knots
after midnight, then veering south late. waves subsiding to calm
to 2 feet. 
.sunday...south winds less than 10 knots increasing to 5 to
15 knots in the afternoon, then backing east late. 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 5 to 15 knots veering east after
midnight. 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 backing south. a
chance of showers. waves calm to 2 feet. 

$$