fzus63 kdtx 290709
glflh 
expires:202606291515;;094711

open lake forecast for lake huron
national weather service detroit/pontiac mi
309 am edt mon jun 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...strong low pressure, 29.20 inches, over the northern
plains, will pull a warm front up through the region on monday.
broad high pressure to the south will build back northward into
the region around 30.10 inches tuesday through the end of the
week.


lhz361-291515-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
309 am edt mon jun 29 2026

.today...east winds 5 to 10 knots increasing to 15 to 20 knots.
waves 1 to 3 feet building to 3 to 5 feet in the afternoon. 
.tonight...east winds 15 to 20 knots becoming southeast 10 to
15 knots after midnight. waves 3 to 5 feet. 
.tuesday...south winds 5 to 10 knots. waves 2 to 4 feet subsiding
to 1 to 3 feet early in the afternoon. 
.tuesday night...light and variable winds becoming south 5 to
10 knots by midnight...then increasing to 10 to 15 knots after
midnight. a chance of showers in the evening...then showers
likely after midnight. waves 1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots becoming west 5 to
10 knots late in the morning...then becoming southwest 10 to
15 knots late in the evening. a chance of showers late in the
afternoon. waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots becoming west 5 to
10 knots by midnight. a chance of showers early in the evening.
waves 1 to 3 feet. 
.friday...west winds 5 to 10 knots. a chance of showers . waves
2 feet or less. 


$$

fzus63 kdtx 290709
glflh 
expires:202606291515;;094712

open lake forecast for lake huron
national weather service detroit/pontiac mi
309 am edt mon jun 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...strong low pressure, 29.20 inches, over the northern
plains, will pull a warm front up through the region on monday.
broad high pressure to the south will build back northward into
the region around 30.10 inches tuesday through the end of the
week.


lhz362-363-291515-
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-
309 am edt mon jun 29 2026

.today...southeast winds 5 to 10 knots increasing to 10 to
15 knots in the late morning and afternoon. waves 1 to 3 feet
building to 2 to 4 feet late in the afternoon. 
.tonight...southeast winds 10 to 15 knots increasing to 15 to
20 knots by midnight...then becoming south 10 to 15 knots early
in the morning. waves 3 to 5 feet. 
.tuesday...south winds 10 to 15 knots. waves 2 to 4 feet. 
.tuesday night...southwest winds 10 to 15 knots. a chance of
showers after midnight. waves 2 to 4 feet. 
.wednesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots late in the evening. a chance of showers. waves 2 to
4 feet subsiding to 1 to 3 feet late in the evening. 
.thursday...southwest winds 10 to 15 knots becoming south 5 to
10 knots early in the evening...then veering to the west by
midnight. a chance of showers . waves 1 to 3 feet. 
.friday...light and variable winds becoming southeast 5 to
10 knots by midnight. a chance of showers and thunderstorms...
then a chance of showers by midnight. waves 2 feet or less. 


$$

fzus63 kdtx 290709
glflh 
expires:202606291515;;094713

open lake forecast for lake huron
national weather service detroit/pontiac mi
309 am edt mon jun 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...strong low pressure, 29.20 inches, over the northern
plains, will pull a warm front up through the region on monday.
broad high pressure to the south will build back northward into
the region around 30.10 inches tuesday through the end of the
week.


lhz462>464-291515-
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-
309 am edt mon jun 29 2026

.today...southeast winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. waves 2 feet or less. 
.tonight...southeast winds 10 to 15 knots. waves 2 to 4 feet. 
.tuesday...south winds 10 to 15 knots. waves 1 to 3 feet. 
.tuesday night...south winds 5 to 10 knots becoming southwest
10 to 15 knots in the late evening and overnight. waves 2 to
4 feet. 
.wednesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots increasing to 10 to
15 knots until early evening...then becoming west 5 to 10 knots
by midnight. waves 1 to 3 feet. 
.friday...west winds 5 to 10 knots early in the morning becoming
light and variable...then becoming north 5 to 10 knots by
midnight. a chance of showers . waves 2 feet or less. 


$$

fzus63 kmkx 290752
glflm 
expires:202606291515;;096164

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
252 am cdt mon jun 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...

low pressure around 29.2 inches will move northeast to eastern 
north dakota this afternoon. an associated warm front will move 
north across the lake through today as the low moves northward. 
southeasterly winds will linger through the majority of today,
increasing through this morning. winds become south-southwesterly
tonight, remaining breezy through wednesday. winds become modest
and southwesterly thursday into friday. areas of dense fog may 
develop at times this week due to a very humid airmass flowing 
over the cooler waters of the lake. scattered thunderstorms are 
forecast on most days, especially over the north half.


lmz261-362-364-366-563-565-567-868-291515-
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-
252 am cdt mon jun 29 2026

sheboygan wi to pentwater mi north...

.today...southeast winds to 30 kt becoming south. scattered
showers with a chance of thunderstorms this morning. waves 4 to
7 ft occasionally to 9 ft. 
.tonight...south winds to 30 kt diminishing to 15 to 25 kt. waves
4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.tuesday...southwest winds 15 to 25 kt becoming south. waves 4 to
6 ft occasionally to 8 ft. 
.tuesday night...south winds to 30 kt becoming southwest 15 to
25 kt. chance of showers and thunderstorms in the evening, then
chance of showers overnight. waves 4 to 6 ft occasionally to
8 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south to 30 kt
in the afternoon. waves 4 to 6 ft occasionally to 8 ft. 
.wednesday night...southwest winds to 30 kt diminishing to 15 to
25 kt. chance of showers and thunderstorms. waves 4 to 6 ft
occasionally to 8 ft. 
.thursday...southwest winds to 30 kt. waves 3 to 5 ft. 
.friday...south winds 10 to 15 kt increasing to 10 to 20 kt.
chance of showers. waves 1 to 3 ft.  

$$

fzus63 kmkx 290752
glflm 
expires:202606291515;;096165

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
252 am cdt mon jun 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...

low pressure around 29.2 inches will move northeast to eastern 
north dakota this afternoon. an associated warm front will move 
north across the lake through today as the low moves northward. 
southeasterly winds will linger through the majority of today,
increasing through this morning. winds become south-southwesterly
tonight, remaining breezy through wednesday. winds become modest
and southwesterly thursday into friday. areas of dense fog may 
develop at times this week due to a very humid airmass flowing 
over the cooler waters of the lake. scattered thunderstorms are 
forecast on most days, especially over the north half.


lmz080-669-671-673-675-777-779-870-872-874-876-878-291515-
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-
252 am cdt mon jun 29 2026

sheboygan wi to pentwater mi south...

.today...southeast winds to 30 kt becoming south. slight chance
of thunderstorms with isolated showers this morning. waves 4 to
7 ft occasionally to 9 ft. 
.tonight...south winds to 30 kt diminishing to 10 to 20 kt. waves
4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.tuesday...south winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft. 
.tuesday night...southwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft. 
.wednesday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 3 to 5 ft. 
.wednesday night...southwest winds 15 to 25 kt diminishing to
10 to 20 kt. waves 3 to 5 ft. 
.thursday...southwest winds 15 to 25 kt becoming south. waves
3 to 5 ft. 
.friday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
chance of showers. waves 1 to 3 ft.  

$$

fzus63 kmqt 290801
glfls 
expires:202606292000;;096378

open lake forecast for lake superior
national weather service marquette mi
400 am edt mon jun 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... 

a 29.4 low will track north, and then northwest, from the central 
plains to southern saskatchewan through tonight, deepening to 29.2 
inches. meanwhile a 30.1 inch high over the hudson bay will weaken 
and shift southeast to the east of lake erie as the saskatchewan low 
regresses southwest at 29.5 inches to montana while another low at 
29.4 inches moves from colorado to the northern plains. the 2nd low 
moves to southern manitoba tonight into tomorrow morning as high 
pressure shifts off the east coast, still at 30.1 inches. tomorrow, 
the low shifts north to lake winnipeg and deepens to 29.2 inches. 
the low then weakens to 29.4 inches as it crosses northern ontario 
by midday wednesday. as the low shifts east through thursday, weak 
high pressure around 30.0 inches expands over much of the eastern 
conus into the weekend.




lsz162-292000-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
400 am edt mon jun 29 2026 /300 am cdt mon jun 29 2026/

.early this morning...east winds 10 to 20 knots. showers and a
chance of thunderstorms. waves 1 to 3 feet. 
.today...northeast winds 10 to 20 knots increasing to 15 to
25 knots late. patchy fog. a chance of showers and a slight
chance of thunderstorms. waves building to 2 to 4 feet. 
.tonight...northeast winds 15 to 25 knots diminishing to 10 to
20 knots after midnight, then becoming southwest 5 to 15 knots
late. patchy fog. a chance of showers and thunderstorms. waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
calm to 2 feet. 
.tuesday...southwest winds 5 to 15 knots increasing to 10 to
20 knots late. areas of dense fog through early afternoon. a
slight chance of showers and thunderstorms by mid afternoon.
waves calm to 2 feet. 
.tuesday night...southwest winds 10 to 20 knots. a slight chance
of showers through midnight. waves calm to 2 feet. 
.wednesday...southwest winds 10 to 20 knots. a chance of showers
and thunderstorms. waves building to 2 to 4 feet, then subsiding
to 1 to 3 feet. 
.wednesday night...west winds 5 to 15 knots backing southwest
after midnight. showers likely through midnight. a chance of
thunderstorms. a chance of showers after midnight. waves
subsiding to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots veering north. a chance
of showers. waves calm to 2 feet. 
.friday...northeast winds 5 to 15 knots. a chance of showers and
thunderstorms. waves calm to 2 feet. 

$$

fzus63 kmqt 290801
glfls 
expires:202606292000;;096379

open lake forecast for lake superior
national weather service marquette mi
400 am edt mon jun 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... 

a 29.4 low will track north, and then northwest, from the central 
plains to southern saskatchewan through tonight, deepening to 29.2 
inches. meanwhile a 30.1 inch high over the hudson bay will weaken 
and shift southeast to the east of lake erie as the saskatchewan low 
regresses southwest at 29.5 inches to montana while another low at 
29.4 inches moves from colorado to the northern plains. the 2nd low 
moves to southern manitoba tonight into tomorrow morning as high 
pressure shifts off the east coast, still at 30.1 inches. tomorrow, 
the low shifts north to lake winnipeg and deepens to 29.2 inches. 
the low then weakens to 29.4 inches as it crosses northern ontario 
by midday wednesday. as the low shifts east through thursday, weak 
high pressure around 30.0 inches expands over much of the eastern 
conus into the weekend.




lsz263-292000-
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 mon jun 29 2026

.early this morning...east winds 5 to 15 knots. showers likely
and a chance of thunderstorms. waves 1 to 3 feet subsiding to
calm to 2 feet. 
.today...east winds 5 to 15 knots increasing to 10 to 20 knots in
the afternoon. a slight chance of showers and thunderstorms.
waves building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.tonight...east winds 15 to 25 knots becoming south 10 to
20 knots after midnight, then becoming southwest 5 to 15 knots
late. patchy fog. a chance of showers and thunderstorms. waves
building to 2 to 4 feet. 
.tuesday...southwest winds 10 to 20 knots backing south late.
areas of dense fog through early afternoon. a chance of showers
and thunderstorms by mid afternoon. waves subsiding to calm to
2 feet. 
.tuesday night...southwest winds 10 to 20 knots. a slight chance
of showers and thunderstorms through midnight. waves building to
2 to 4 feet. 
.wednesday...southwest winds 10 to 20 knots. a chance of showers
and thunderstorms by mid afternoon. waves 2 to 4 feet. 
.wednesday night...southwest winds 5 to 15 knots. showers likely
through midnight. a chance of thunderstorms. a chance of showers
after midnight. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots. a chance of showers.
waves calm to 2 feet. 
.friday...northeast winds 5 to 15 knots backing west. a chance of
showers. waves calm to 2 feet. 

$$

fzus63 kmqt 290801
glfls 
expires:202606292000;;096380

open lake forecast for lake superior
national weather service marquette mi
400 am edt mon jun 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... 

a 29.4 low will track north, and then northwest, from the central 
plains to southern saskatchewan through tonight, deepening to 29.2 
inches. meanwhile a 30.1 inch high over the hudson bay will weaken 
and shift southeast to the east of lake erie as the saskatchewan low 
regresses southwest at 29.5 inches to montana while another low at 
29.4 inches moves from colorado to the northern plains. the 2nd low 
moves to southern manitoba tonight into tomorrow morning as high 
pressure shifts off the east coast, still at 30.1 inches. tomorrow, 
the low shifts north to lake winnipeg and deepens to 29.2 inches. 
the low then weakens to 29.4 inches as it crosses northern ontario 
by midday wednesday. as the low shifts east through thursday, weak 
high pressure around 30.0 inches expands over much of the eastern 
conus into the weekend.




lsz264-292000-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
400 am edt mon jun 29 2026

.early this morning...southeast winds 10 to 20 knots. a chance of
showers and a slight chance of thunderstorms. waves 1 to 3 feet
subsiding to calm to 2 feet. 
.today...southeast winds 10 to 20 knots. patchy fog. a chance of
showers and a slight chance of thunderstorms. waves building to
2 to 4 feet. 
.tonight...southeast winds 10 to 20 knots veering south late.
patchy fog. a chance of showers and thunderstorms. waves building
to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet. 
.tuesday...southwest winds 5 to 15 knots becoming south 10 to
20 knots late. areas of dense fog through early afternoon. a
slight chance of showers and thunderstorms by mid afternoon.
waves subsiding to calm to 2 feet. 
.tuesday night...south winds 10 to 20 knots veering southwest
after midnight. a slight chance of showers and thunderstorms
through midnight. waves building to 2 to 4 feet. 
.wednesday...southwest winds 10 to 20 knots. a chance of showers
by mid afternoon. waves 2 to 4 feet. 
.wednesday night...southwest winds 5 to 15 knots. showers likely
through midnight. a chance of thunderstorms. a chance of showers
after midnight. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots. waves calm to 2 feet. 
.friday...east winds less than 10 knots veering west. a chance of
showers. waves calm to 2 feet. 

$$

fzus63 kmqt 290801
glfls 
expires:202606292000;;096381

open lake forecast for lake superior
national weather service marquette mi
400 am edt mon jun 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... 

a 29.4 low will track north, and then northwest, from the central 
plains to southern saskatchewan through tonight, deepening to 29.2 
inches. meanwhile a 30.1 inch high over the hudson bay will weaken 
and shift southeast to the east of lake erie as the saskatchewan low 
regresses southwest at 29.5 inches to montana while another low at 
29.4 inches moves from colorado to the northern plains. the 2nd low 
moves to southern manitoba tonight into tomorrow morning as high 
pressure shifts off the east coast, still at 30.1 inches. tomorrow, 
the low shifts north to lake winnipeg and deepens to 29.2 inches. 
the low then weakens to 29.4 inches as it crosses northern ontario 
by midday wednesday. as the low shifts east through thursday, weak 
high pressure around 30.0 inches expands over much of the eastern 
conus into the weekend.




lsz265-292000-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
400 am edt mon jun 29 2026

.early this morning...southeast winds 15 to 25 knots. showers
likely and a chance of thunderstorms. waves calm to 2 feet. 
.today...southeast winds 15 to 25 knots increasing to 20 to
30 knots late. a chance of showers and thunderstorms. waves
building to 2 to 4 feet. 
.tonight...southeast winds 20 to 30 knots diminishing to 15 to
25 knots after midnight, then veering south late. patchy fog. a
slight chance of showers and thunderstorms. waves subsiding to
1 to 3 feet. 
.tuesday...southwest winds 10 to 20 knots backing southeast in
the afternoon, then backing east late. patchy fog through early
afternoon. a chance of showers and thunderstorms by mid
afternoon. waves subsiding to calm to 2 feet. 
.tuesday night...south winds 10 to 20 knots veering southwest
after midnight. a chance of showers and a slight chance of
thunderstorms through midnight. waves building to 1 to 3 feet. 
.wednesday...southwest winds 10 to 20 knots backing south by mid
afternoon. a chance of showers and thunderstorms by mid
afternoon. waves subsiding to calm to 2 feet. 
.wednesday night...south winds 15 to 25 knots becoming west 10 to
20 knots after midnight. showers likely and a chance of
thunderstorms. waves calm to 2 feet. 
.thursday...west winds 10 to 20 knots becoming southwest 5 to
15 knots. a chance of showers and thunderstorms. waves calm to
2 feet. 
.friday...east winds 5 to 15 knots veering southwest. a chance of
showers. waves calm to 2 feet. 

$$

fzus63 kmqt 290801
glfls 
expires:202606292000;;096382

open lake forecast for lake superior
national weather service marquette mi
400 am edt mon jun 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... 

a 29.4 low will track north, and then northwest, from the central 
plains to southern saskatchewan through tonight, deepening to 29.2 
inches. meanwhile a 30.1 inch high over the hudson bay will weaken 
and shift southeast to the east of lake erie as the saskatchewan low 
regresses southwest at 29.5 inches to montana while another low at 
29.4 inches moves from colorado to the northern plains. the 2nd low 
moves to southern manitoba tonight into tomorrow morning as high 
pressure shifts off the east coast, still at 30.1 inches. tomorrow, 
the low shifts north to lake winnipeg and deepens to 29.2 inches. 
the low then weakens to 29.4 inches as it crosses northern ontario 
by midday wednesday. as the low shifts east through thursday, weak 
high pressure around 30.0 inches expands over much of the eastern 
conus into the weekend.




lsz266-292000-
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 mon jun 29 2026

.early this morning...southeast winds 15 to 25 knots. a chance of
showers and a slight chance of thunderstorms. waves calm to
2 feet building to 1 to 3 feet. 
.today...southeast winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon, then diminishing to 15 to 25 knots
late. patchy fog through early afternoon. a chance of showers and
thunderstorms. waves building to 2 to 4 feet. 
.tonight...southeast winds 20 to 30 knots becoming south 15 to
25 knots after midnight. patchy fog. a slight chance of showers
and thunderstorms. waves building to 3 to 5 feet occasionally to
7 feet. 
.tuesday...southwest winds 10 to 20 knots backing southeast late.
areas of dense fog through early afternoon. a chance of showers
and thunderstorms by mid afternoon. waves subsiding to calm to
2 feet. 
.tuesday night...south winds 10 to 20 knots veering southwest
after midnight. a chance of showers and thunderstorms. waves
building to 2 to 4 feet. 
.wednesday...southwest winds 5 to 15 knots backing south by mid
afternoon. a chance of showers and thunderstorms by mid
afternoon. waves subsiding to 1 to 3 feet. 
.wednesday night...south winds 10 to 20 knots veering southwest
after midnight. showers likely and a chance of thunderstorms.
waves subsiding to calm to 2 feet. 
.thursday...west winds 5 to 15 knots. a chance of showers. waves
calm to 2 feet. 
.friday...southeast winds 5 to 15 knots veering west. a chance of
showers. waves calm to 2 feet. 

$$

fzus63 kmqt 290801
glfls 
expires:202606292000;;096383

open lake forecast for lake superior
national weather service marquette mi
400 am edt mon jun 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... 

a 29.4 low will track north, and then northwest, from the central 
plains to southern saskatchewan through tonight, deepening to 29.2 
inches. meanwhile a 30.1 inch high over the hudson bay will weaken 
and shift southeast to the east of lake erie as the saskatchewan low 
regresses southwest at 29.5 inches to montana while another low at 
29.4 inches moves from colorado to the northern plains. the 2nd low 
moves to southern manitoba tonight into tomorrow morning as high 
pressure shifts off the east coast, still at 30.1 inches. tomorrow, 
the low shifts north to lake winnipeg and deepens to 29.2 inches. 
the low then weakens to 29.4 inches as it crosses northern ontario 
by midday wednesday. as the low shifts east through thursday, weak 
high pressure around 30.0 inches expands over much of the eastern 
conus into the weekend.




lsz267-292000-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
400 am edt mon jun 29 2026

.early this morning...southeast winds 15 to 25 knots. a slight
chance of showers. waves 1 to 3 feet. 
.today...southeast winds 15 to 25 knots. a chance of showers and
a slight chance of thunderstorms. waves building to 2 to 4 feet. 
.tonight...southeast winds 15 to 25 knots veering south late. a
slight chance of showers and thunderstorms. patchy fog after
midnight. waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet. 
.tuesday...south winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon, then backing southeast late. patchy
fog through early afternoon. a slight chance of showers and
thunderstorms by mid afternoon. waves subsiding to calm to
2 feet. 
.tuesday night...south winds 15 to 25 knots becoming southwest
10 to 20 knots after midnight. showers likely and a chance of
thunderstorms. waves building to 1 to 3 feet. 
.wednesday...southwest winds 5 to 15 knots backing southeast by
mid afternoon. a chance of showers by mid afternoon. waves
subsiding to calm to 2 feet. 
.wednesday night...south winds 10 to 20 knots veering southwest
after midnight. showers and a chance of thunderstorms. waves calm
to 2 feet. 
.thursday...northwest winds 5 to 15 knots backing west. a chance
of showers. waves calm to 2 feet. 
.friday...west winds 5 to 15 knots. a chance of showers. waves
calm to 2 feet. 

$$