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fzus63 kdtx 281940
glflh 
expires:202606290345;;067950

open lake forecast for lake huron
national weather service detroit/pontiac mi
340 pm edt sun jun 28 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.


lhz361-290345-
lake huron from 5nm east of mackinac bridge to presque isle lt
beyond 5 nm off shore-
340 pm edt sun jun 28 2026

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


$$
fzus63 kdtx 281940
glflh 
expires:202606290345;;067951

open lake forecast for lake huron
national weather service detroit/pontiac mi
340 pm edt sun jun 28 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.


lhz362-363-290345-
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-
340 pm edt sun jun 28 2026

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


$$
fzus63 kdtx 281940
glflh 
expires:202606290345;;067952

open lake forecast for lake huron
national weather service detroit/pontiac mi
340 pm edt sun jun 28 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>464-290345-
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-
340 pm edt sun jun 28 2026

.tonight...northeast winds 5 to 10 knots veering to the east
after midnight. waves 2 feet or less. 
.monday...southeast winds 5 to 10 knots increasing to 10 to
15 knots late in the afternoon. waves 2 feet or less. 
.monday night...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 late in the evening. waves 1 to 3 feet. 
.thursday...southwest winds 5 to 10 knots. a chance of showers .
waves 1 to 3 feet. 
.friday...west winds 5 to 10 knots backing to the south . a
chance of showers. a chance of thunderstorms until early evening.
waves 2 feet or less. 


$$
fzus63 kmkx 282004
glflm 
expires:202606290315;;068672

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
304 pm cdt sun jun 28 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 29.5 inches in the northern high plains is
expected to deepen to around 29.3 inches over the northern great 
plains by this evening. expecting more southeasterly winds this 
evening and tonight. winds will then shift more southerly and 
continue to increase into monday as the low lifts into the 
canadian prairies while a warm front moves northward across the 
open waters. low pressure will lift into northern ontario by 
midweek, bringing gusty southwesterly winds. winds are looking to 
gradually diminish into thursday, but will remain southwesterly as
additional low pressure begins to develop in the northern great 
plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-290315-
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-
304 pm cdt sun jun 28 2026

sheboygan wi to pentwater mi south...

.tonight...east winds 10 to 20 kt becoming southeast to 30 kt.
slight chance of showers and thunderstorms overnight. waves 1 to
3 ft building to 4 to 6 ft occasionally to 8 ft.
.monday...southeast winds to 30 kt becoming south. slight chance
of showers and thunderstorms in the morning. waves 5 to 8 ft
occasionally to 10 ft. 
.monday night...south winds to 30 kt diminishing to 10 to 20 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.tuesday...south winds 15 to 25 kt increasing to 30 kt. waves
3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.tuesday night...southwest winds to 30 kt diminishing to 10 to
20 kt overnight. 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 10 to 20 kt. waves 2 to 4 ft. 
.thursday...southwest winds 10 to 20 kt becoming south 15 to
25 kt. waves 2 to 4 ft. 
.friday...southwest winds 10 to 20 kt becoming south. waves 1 to
3 ft.  

$$
fzus63 kmkx 282004
glflm 
expires:202606290315;;068671

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
304 pm cdt sun jun 28 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 29.5 inches in the northern high plains is
expected to deepen to around 29.3 inches over the northern great 
plains by this evening. expecting more southeasterly winds this 
evening and tonight. winds will then shift more southerly and 
continue to increase into monday as the low lifts into the 
canadian prairies while a warm front moves northward across the 
open waters. low pressure will lift into northern ontario by 
midweek, bringing gusty southwesterly winds. winds are looking to 
gradually diminish into thursday, but will remain southwesterly as
additional low pressure begins to develop in the northern great 
plains.


lmz261-362-364-366-563-565-567-868-290315-
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-
304 pm cdt sun jun 28 2026

sheboygan wi to pentwater mi north...

.tonight...east winds 10 to 20 kt becoming southeast after
midnight, then increasing to 30 kt late. slight chance of showers
and thunderstorms this evening, then chance of showers and
thunderstorms overnight. waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft. 
.monday...southeast winds to 30 kt becoming south. chance of
showers and thunderstorms in the morning. waves 5 to 8 ft
occasionally to 10 ft. 
.monday night...south winds to 30 kt diminishing to 15 to 25 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.tuesday...south winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft. 
.tuesday night...south winds to 30 kt becoming southwest. chance
of showers in the evening, then chance of showers and
thunderstorms overnight. waves 4 to 7 ft occasionally to 9 ft. 
.wednesday...southwest winds 15 to 25 kt becoming south to 30 kt.
waves 3 to 5 ft. 
.wednesday night...southwest winds 15 to 25 kt diminishing to
10 to 20 kt. chance of showers and thunderstorms. waves 3 to
5 ft. 
.thursday...southwest winds 15 to 25 kt becoming south. chance of
showers. waves 2 to 4 ft. 
.friday...southwest winds 10 to 20 kt becoming south. chance of
showers. waves 1 to 3 ft.  

$$
fzus63 kmqt 282001
glfls 
expires:202606290800;;068380

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun jun 28 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 monday night, 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 tomorrow night as 
high pressure shifts off the east coast, still at 30.1 inches. 
tuesday, 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.




lsz267-290800-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
401 pm edt sun jun 28 2026

.late this afternoon...east winds 10 to 20 knots. waves calm to
2 feet. 
.tonight...southeast winds 10 to 20 knots increasing to 15 to
25 knots late. a slight chance of showers and thunderstorms after
midnight. waves building to 2 to 4 feet. 
.monday...southeast winds 15 to 25 knots. showers likely through
early afternoon. a chance of thunderstorms. a chance of showers
by mid afternoon. waves building to 3 to 5 feet occasionally to
7 feet. 
.monday night...southeast winds 15 to 25 knots veering south
late. a chance of showers and a slight chance of thunderstorms.
waves subsiding to 2 to 4 feet. 
.tuesday...south winds 10 to 20 knots backing southeast by mid
afternoon. a chance of showers and a slight chance of
thunderstorms. waves subsiding to calm to 2 feet. 
.tuesday night...south winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. showers likely through midnight. a
chance of thunderstorms. a chance of showers after midnight.
waves building to 1 to 3 feet. 
.wednesday...southwest winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. a chance of showers. waves subsiding
to calm to 2 feet. 
.wednesday night...south winds 5 to 15 knots veering southwest
after midnight. a chance of showers and thunderstorms. waves calm
to 2 feet. 
.thursday...south winds 5 to 15 knots. a chance of showers and
thunderstorms. waves calm to 2 feet. 
.friday...east winds 5 to 15 knots veering west. a chance of
showers. waves calm to 2 feet. 

$$
fzus63 kmqt 282001
glfls 
expires:202606290800;;068375

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun jun 28 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 monday night, 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 tomorrow night as 
high pressure shifts off the east coast, still at 30.1 inches. 
tuesday, 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.




lsz162-290800-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
401 pm edt sun jun 28 2026 /301 pm cdt sun jun 28 2026/

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

$$
fzus63 kmqt 282001
glfls 
expires:202606290800;;068376

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun jun 28 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 monday night, 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 tomorrow night as 
high pressure shifts off the east coast, still at 30.1 inches. 
tuesday, 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.




lsz263-290800-
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-
401 pm edt sun jun 28 2026

.late this afternoon...east winds 10 to 20 knots. a slight chance
of showers. waves 2 to 4 feet. 
.tonight...east winds 10 to 20 knots veering southeast after
midnight, then backing east late. a chance of showers and
thunderstorms. waves subsiding to 1 to 3 feet. 
.monday...east winds 10 to 20 knots. a slight chance of showers
and thunderstorms through early afternoon. waves building to 2 to
4 feet. 
.monday night...east winds 15 to 25 knots becoming southeast
10 to 20 knots after midnight, then veering southwest late. a
chance of showers through midnight. a chance of thunderstorms.
showers likely after midnight. 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 backing south by mid
afternoon. a chance of showers and a slight chance of
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. waves building to 2 to
4 feet. 
.wednesday...southwest winds 15 to 25 knots. a chance of showers.
waves subsiding to 1 to 3 feet, then building to 2 to 4 feet. 
.wednesday night...southwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. a chance of showers and
thunderstorms. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots backing south. 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 282001
glfls 
expires:202606290800;;068377

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun jun 28 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 monday night, 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 tomorrow night as 
high pressure shifts off the east coast, still at 30.1 inches. 
tuesday, 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.




lsz264-290800-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
401 pm edt sun jun 28 2026

.late this afternoon...east winds 10 to 20 knots. waves 1 to
3 feet. 
.tonight...southeast winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. a chance of showers. a slight chance of
thunderstorms after midnight. waves 1 to 3 feet. 
.monday...southeast winds 10 to 20 knots increasing to 15 to
25 knots late. a slight chance of showers and thunderstorms
through early afternoon. waves building to 3 to 5 feet
occasionally to 7 feet. 
.monday night...southeast winds 10 to 20 knots veering south
late. a slight chance of showers through midnight. a chance of
thunderstorms. showers likely after midnight. waves subsiding to
2 to 4 feet. 
.tuesday...southwest winds 5 to 15 knots backing south by mid
afternoon. a chance of showers and a slight chance of
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. waves building to 2 to
4 feet. 
.wednesday...southwest winds 10 to 20 knots. waves 2 to 4 feet. 
.wednesday night...southwest winds 5 to 15 knots. a chance of
showers. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots backing south. 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 282001
glfls 
expires:202606290800;;068378

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun jun 28 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 monday night, 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 tomorrow night as 
high pressure shifts off the east coast, still at 30.1 inches. 
tuesday, 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.




lsz265-290800-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
401 pm edt sun jun 28 2026

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

$$
fzus63 kmqt 282001
glfls 
expires:202606290800;;068379

open lake forecast for lake superior
national weather service marquette mi
400 pm edt sun jun 28 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 monday night, 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 tomorrow night as 
high pressure shifts off the east coast, still at 30.1 inches. 
tuesday, 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.




lsz266-290800-
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-
401 pm edt sun jun 28 2026

.late this afternoon...east winds 10 to 20 knots. waves 1 to
3 feet. 
.tonight...southeast winds 10 to 20 knots. a chance of showers
and thunderstorms after midnight. waves building to 2 to 4 feet. 
.monday...southeast winds 15 to 25 knots. a chance of showers and
thunderstorms. waves building to 3 to 5 feet occasionally to
7 feet. 
.monday night...southeast winds 15 to 25 knots veering south
late. a chance of showers and a slight chance of thunderstorms.
waves 3 to 5 feet occasionally to 7 feet. 
.tuesday...southwest winds 10 to 20 knots backing southeast by
mid afternoon. a chance of showers and thunderstorms. waves
subsiding to calm to 2 feet. 
.tuesday night...south winds 15 to 25 knots veering southwest
after midnight. showers likely through midnight. a chance of
thunderstorms. a chance of showers after midnight. waves building
to 2 to 4 feet. 
.wednesday...southwest winds 10 to 20 knots. a chance of showers.
waves subsiding to 1 to 3 feet. 
.wednesday night...southwest winds 10 to 20 knots. a chance of
showers and thunderstorms. waves subsiding to calm to 2 feet. 
.thursday...southwest winds 5 to 15 knots backing south. 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. 

$$
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