fzus63 kdtx 281350
glflh 
expires:202604282200;;672199

open lake forecast for lake huron
national weather service detroit/pontiac mi
950 am edt tue apr 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...a low pressure system, 29.30 inches, exits lake
superior and moves into central ontario this morning as its
expansive low-level wind field migrates across the central great
lakes. showers and embedded thunderstorms are expected before the
cold front passes through midday.


lhz361>363-282200-
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-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
950 am edt tue apr 28 2026

.rest of today...southwest winds 15 to 20 knots decreasing to
10 to 15 knots late in the afternoon. waves 8 to 12 feet. waves
occasionally around 15 feet. 
.tonight...southwest winds 10 to 15 knots becoming west 5 to
10 knots in the late evening and overnight. waves 3 to 5 feet
subsiding to 1 to 3 feet early in the morning. 
.wednesday...north winds 5 to 10 knots backing to the northwest
in the late morning and early afternoon...then becoming northwest
5 to 10 knots early in the afternoon. waves 1 to 3 feet. 
.wednesday night...northwest winds 10 to 15 knots increasing to
15 to 20 knots by midnight...then decreasing to 10 to 15 knots
after midnight. waves 3 to 5 feet. 
.thursday...northwest winds 10 to 15 knots. waves 3 to 5 feet. 
.friday...northwest winds 10 to 15 knots. waves 3 to 5 feet. 
.saturday...northwest winds 10 to 15 knots. waves 3 to 5 feet. 


$$

fzus63 kdtx 281350
glflh 
expires:202604282200;;672200

open lake forecast for lake huron
national weather service detroit/pontiac mi
950 am edt tue apr 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...a low pressure system, 29.30 inches, exits lake
superior and moves into central ontario this morning as its
expansive low-level wind field migrates across the central great
lakes. showers and embedded thunderstorms are expected before the
cold front passes through midday.


lhz462>464-282200-
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-
950 am edt tue apr 28 2026

.rest of today...southwest winds 15 to 20 knots decreasing to
10 to 15 knots late in the afternoon. waves 5 to 7 feet. waves
occasionally around 10 feet. 
.tonight...west winds 10 to 15 knots decreasing to 5 to 10 knots
by midnight...then veering to the west 5 to 10 knots early in the
morning. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight. 
.wednesday...north 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 early in the afternoon. 
.wednesday night...north winds 10 to 15 knots. waves 3 to 5 feet.
.thursday...northwest winds 10 to 15 knots becoming north 5 to
10 knots late in the morning...then becoming northwest 10 to
15 knots late in the evening. waves 3 to 5 feet subsiding to 1 to
3 feet late in the afternoon...then building to 2 to 4 feet late
in the evening. 
.friday...northwest winds 10 to 15 knots decreasing to northwest
by midnight. waves 2 to 4 feet subsiding to 1 to 3 feet . 
.saturday...northwest winds 10 to 15 knots decreasing to 5 to
10 knots until early evening...then veering to the northwest 5 to
10 knots by midnight. waves 2 to 4 feet subsiding to 1 to 3 feet
. 


$$

fzus63 kmkx 281357
glflm 
expires:202604282130;;672395

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
857 am cdt tue apr 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...

winds will shift from west to northwesterly tonight as high 
pressure around 30.1 inches builds in from the northwest. by 
wednesday morning, expect high pressure to settle over the upper 
midwest. lighter, generally northerly winds are expected wednesday
through friday. as high pressure slides southward into the 
weekend, winds will shift to become westerly.


lmz261-362-364-366-563-565-567-868-282130-
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-
857 am cdt tue apr 28 2026

sheboygan wi to pentwater mi north...

.rest of today...west winds to 30 kt diminishing to 15 to 25 kt.
waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. 
.tonight...northwest winds 15 to 25 kt diminishing to 10 to 20 kt
late in the evening, then becoming north 10 to 15 kt overnight.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.wednesday...north winds 5 to 10 kt increasing to 10 to 20 kt.
waves 1 to 2 ft. 
.wednesday night...north winds 10 to 15 kt diminishing to 5 to
10 kt. waves 1 to 2 ft. 
.thursday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft. 
.thursday night...north winds 10 to 20 kt. waves 1 to 3 ft. 
.friday...north winds 10 to 20 kt. waves 1 to 3 ft. 
.saturday...northwest winds 10 to 15 kt becoming west 10 to
20 kt. waves 1 to 3 ft.  

$$

fzus63 kmkx 281357
glflm 
expires:202604282130;;672396

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
857 am cdt tue apr 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...

winds will shift from west to northwesterly tonight as high 
pressure around 30.1 inches builds in from the northwest. by 
wednesday morning, expect high pressure to settle over the upper 
midwest. lighter, generally northerly winds are expected wednesday
through friday. as high pressure slides southward into the 
weekend, winds will shift to become westerly.


lmz080-669-671-673-675-777-779-870-872-874-876-878-282130-
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-
857 am cdt tue apr 28 2026

sheboygan wi to pentwater mi south...

.rest of today...west winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to
4 ft. 
.tonight...southwest winds 10 to 15 kt veering to north. slight
chance of rain showers. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.wednesday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 2 to 4 ft. 
.wednesday night...north winds 10 to 20 kt becoming northwest
5 to 10 kt overnight. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.thursday...northwest winds 5 to 10 kt becoming north 10 to
15 kt. waves 1 to 3 ft. 
.thursday night...northeast winds 10 to 15 kt becoming north.
waves 1 to 2 ft. 
.friday...north winds 10 to 20 kt. waves 1 to 3 ft. 
.saturday...north winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 3 ft.  

$$

fzus63 kmqt 281407
glfls 
expires:202604282215;;672828

open lake forecast for lake superior
national weather service marquette mi
1007 am edt tue apr 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 inch low just northeast of lake superior this morning tracks 
to james bay by this evening and then continues into northern quebec 
on wednesday. weak ridging of 30.1 inches builds over the lake on 
wednesday between 30.3 inch high pressure over the canadian prairie 
and 29.7 inch troughing over the eastern seaboard. high pressure 
gradually strengthens to 30.2 inches over the lake through friday as 
the canadian high shifts east to northern ontario and hudson bay. 
weak troughing of 29.9 inches moves over the lake on saturday and 
strengthens to 29.7 inches through sunday as low pressure deepens to 
29.6 inches over james bay.



lsz162-282215-
lake superior west of a line from saxon harbor wi to grand
portage mn beyond 5nm-
1007 am edt tue apr 28 2026 /907 am cdt tue apr 28 2026/

.rest of today...west winds 20 to 30 knots diminishing to 15 to
25 knots late. waves 3 to 6 feet occasionally to 8 feet subsiding
to 1 to 3 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.wednesday...west winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon, then diminishing to 5 to 15 knots
late. a slight chance of rain showers by mid afternoon. waves
calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots veering north
after midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots backing southwest by mid
afternoon. waves calm to 2 feet. 
.thursday night...north winds 5 to 15 knots. waves calm to
2 feet. 
.friday...north winds 5 to 15 knots backing northwest. waves calm
to 2 feet. 
.saturday...southwest winds 5 to 15 knots veering west. waves
calm to 2 feet. 

$$

fzus63 kmqt 281407
glfls 
expires:202604282215;;672829

open lake forecast for lake superior
national weather service marquette mi
1007 am edt tue apr 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 inch low just northeast of lake superior this morning tracks 
to james bay by this evening and then continues into northern quebec 
on wednesday. weak ridging of 30.1 inches builds over the lake on 
wednesday between 30.3 inch high pressure over the canadian prairie 
and 29.7 inch troughing over the eastern seaboard. high pressure 
gradually strengthens to 30.2 inches over the lake through friday as 
the canadian high shifts east to northern ontario and hudson bay. 
weak troughing of 29.9 inches moves over the lake on saturday and 
strengthens to 29.7 inches through sunday as low pressure deepens to 
29.6 inches over james bay.



lsz263-282215-
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-
1007 am edt tue apr 28 2026

...gale warning in effect until 2 pm edt this afternoon...

.rest of today...west gales to 35 knots diminishing to 15 to
25 knots. waves 7 to 10 feet occasionally to 13 feet subsiding to
3 to 6 feet occasionally to 8 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots backing west in the
afternoon. waves calm to 2 feet. 
.wednesday night...north winds less than 10 knots increasing to
5 to 15 knots after midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots backing west by mid
afternoon. waves calm to 2 feet. 
.thursday night...northwest winds 5 to 15 knots veering north
after midnight. waves calm to 2 feet. 
.friday...north winds 5 to 15 knots backing northwest. waves calm
to 2 feet. 
.saturday...southwest winds 5 to 15 knots veering west. waves
calm to 2 feet. 

$$

fzus63 kmqt 281407
glfls 
expires:202604282215;;672830

open lake forecast for lake superior
national weather service marquette mi
1007 am edt tue apr 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 inch low just northeast of lake superior this morning tracks 
to james bay by this evening and then continues into northern quebec 
on wednesday. weak ridging of 30.1 inches builds over the lake on 
wednesday between 30.3 inch high pressure over the canadian prairie 
and 29.7 inch troughing over the eastern seaboard. high pressure 
gradually strengthens to 30.2 inches over the lake through friday as 
the canadian high shifts east to northern ontario and hudson bay. 
weak troughing of 29.9 inches moves over the lake on saturday and 
strengthens to 29.7 inches through sunday as low pressure deepens to 
29.6 inches over james bay.



lsz264-282215-
lake superior from upper entrance to portage canal to manitou
island mi 5nm off shore to the us/canadian border-
1007 am edt tue apr 28 2026

...gale warning in effect until 5 pm edt this afternoon...

.rest of today...west gales to 40 knots diminishing to 20 to
30 knots late. waves 7 to 10 feet occasionally to 13 feet
subsiding to 3 to 6 feet occasionally to 8 feet. 
.tonight...northwest winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. waves subsiding to calm to 2 feet. 
.wednesday...northwest winds 5 to 15 knots backing west late.
waves calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots veering north
after midnight. waves calm to 2 feet. 
.thursday...north winds 5 to 15 knots backing northwest by mid
afternoon. waves calm to 2 feet. 
.thursday night...northwest winds 5 to 15 knots veering north
after midnight. waves calm to 2 feet. 
.friday...north winds 5 to 15 knots backing northwest. waves calm
to 2 feet. 
.saturday...northwest winds 5 to 15 knots backing west. waves
calm to 2 feet. 

$$

fzus63 kmqt 281407
glfls 
expires:202604282215;;672831

open lake forecast for lake superior
national weather service marquette mi
1007 am edt tue apr 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 inch low just northeast of lake superior this morning tracks 
to james bay by this evening and then continues into northern quebec 
on wednesday. weak ridging of 30.1 inches builds over the lake on 
wednesday between 30.3 inch high pressure over the canadian prairie 
and 29.7 inch troughing over the eastern seaboard. high pressure 
gradually strengthens to 30.2 inches over the lake through friday as 
the canadian high shifts east to northern ontario and hudson bay. 
weak troughing of 29.9 inches moves over the lake on saturday and 
strengthens to 29.7 inches through sunday as low pressure deepens to 
29.6 inches over james bay.



lsz265-282215-
lake superior west of line from manitou island to marquette mi
beyond 5nm from shore-
1007 am edt tue apr 28 2026

...gale warning in effect until 5 pm edt this afternoon...

.rest of today...west gales to 45 knots. waves 7 to 10 feet
occasionally to 13 feet subsiding to 3 to 6 feet occasionally to
8 feet. 
.tonight...west winds 15 to 25 knots becoming northwest 10 to
20 knots after midnight. waves subsiding to calm to 2 feet. 
.wednesday...northwest winds 10 to 20 knots veering north in the
afternoon. waves calm to 2 feet. 
.wednesday night...northwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. waves calm to 2 feet. 
.thursday...north winds 10 to 20 knots. waves building to 1 to
3 feet. 
.thursday night...northwest winds 10 to 20 knots. waves subsiding
to calm to 2 feet. 
.friday...north winds 10 to 20 knots backing northwest. waves
building to 1 to 3 feet, then subsiding to calm to 2 feet. 
.saturday...northwest winds 10 to 20 knots becoming west 5 to
15 knots. waves building to 1 to 3 feet, then subsiding to calm
to 2 feet. 

$$

fzus63 kmqt 281407
glfls 
expires:202604282215;;672832

open lake forecast for lake superior
national weather service marquette mi
1007 am edt tue apr 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 inch low just northeast of lake superior this morning tracks 
to james bay by this evening and then continues into northern quebec 
on wednesday. weak ridging of 30.1 inches builds over the lake on 
wednesday between 30.3 inch high pressure over the canadian prairie 
and 29.7 inch troughing over the eastern seaboard. high pressure 
gradually strengthens to 30.2 inches over the lake through friday as 
the canadian high shifts east to northern ontario and hudson bay. 
weak troughing of 29.9 inches moves over the lake on saturday and 
strengthens to 29.7 inches through sunday as low pressure deepens to 
29.6 inches over james bay.



lsz266-282215-
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-
1007 am edt tue apr 28 2026

...gale warning in effect until 6 pm edt this evening...

.rest of today...west gales to 45 knots. waves 8 to 11 feet
occasionally to 14 feet building to 10 to 14 feet occasionally to
18 feet, then subsiding to 8 to 11 feet occasionally to 14 feet. 
.tonight...northwest winds 20 to 30 knots diminishing to 10 to
20 knots after midnight. waves subsiding to 2 to 4 feet. 
.wednesday...northwest winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 
.wednesday night...northwest winds 10 to 20 knots. waves calm to
2 feet. 
.thursday...north winds 15 to 25 knots backing northwest by mid
afternoon. waves building to 2 to 4 feet. 
.thursday night...northwest winds 15 to 25 knots becoming north
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.friday...north winds 10 to 20 knots backing northwest. waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet. 
.saturday...northwest winds 10 to 20 knots backing west. waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet. 

$$

fzus63 kmqt 281407
glfls 
expires:202604282215;;672833

open lake forecast for lake superior
national weather service marquette mi
1007 am edt tue apr 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 inch low just northeast of lake superior this morning tracks 
to james bay by this evening and then continues into northern quebec 
on wednesday. weak ridging of 30.1 inches builds over the lake on 
wednesday between 30.3 inch high pressure over the canadian prairie 
and 29.7 inch troughing over the eastern seaboard. high pressure 
gradually strengthens to 30.2 inches over the lake through friday as 
the canadian high shifts east to northern ontario and hudson bay. 
weak troughing of 29.9 inches moves over the lake on saturday and 
strengthens to 29.7 inches through sunday as low pressure deepens to 
29.6 inches over james bay.



lsz267-282215-
lake superior from grand marais mi to whitefish point mi 5nm off
shore to the us/canadian border-
1007 am edt tue apr 28 2026

...gale warning in effect until 6 pm edt this evening...

.rest of today...west gales to 40 knots. a slight chance of rain
showers by late morning. waves 8 to 11 feet occasionally to
14 feet building to 11 to 15 feet occasionally to 19 feet, then
subsiding to 9 to 12 feet occasionally to 15 feet. 
.tonight...west winds 20 to 30 knots becoming northwest 15 to
25 knots after midnight, then diminishing to 10 to 20 knots late.
waves subsiding to 2 to 4 feet. 
.wednesday...northwest winds 10 to 20 knots. waves subsiding to
calm to 2 feet. 
.wednesday night...northwest winds 10 to 20 knots. waves calm to
2 feet. 
.thursday...north winds 10 to 20 knots becoming northwest 15 to
25 knots by mid afternoon. waves building to 2 to 4 feet. 
.thursday night...northwest winds 15 to 25 knots becoming north
10 to 20 knots after midnight. waves subsiding to 1 to 3 feet. 
.friday...northwest winds 15 to 25 knots becoming north 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.saturday...northwest winds 15 to 25 knots diminishing to 10 to
20 knots. waves building to 2 to 4 feet, then subsiding to calm
to 2 feet. 

$$