fzus61 kcle 150827
glfle 
expires:202604151415;;398882

open lake forecast for lake erie
national weather service cleveland oh
427 am edt wed apr 15 2026

for waters beyond five nautical miles of shore on lake erie

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 frontal boundary will remain stalled to the north of lake erie
through today before pushing south across the lake on thursday. a
ridge averaging 30.00 inches will briefly build over the lake on 
friday and a cold front will move east across the lake on saturday
as low pressure 29.50 inches lifts northeast across the northern 
great lakes. a trough averaging 29.90 inches will move east across 
lake erie on sunday.


lez162>165-151415-
detroit river lt. to maumee bay oh to reno beach oh beyond 5nm
offshoreline to us-canadian border-
reno beach to the islands oh beyond 5nm off shoreline to us-
canadian border-
the islands to vermilion oh beyond 5 nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
427 am edt wed apr 15 2026

.today...southwest winds 10 to 15 knots. showers likely with a
chance of thunderstorms early, then a chance of showers and
thunderstorms. showers with a chance of thunderstorms late. waves
1 to 3 feet. 
.tonight...southwest winds 10 to 15 knots. a chance of showers
and thunderstorms early, then showers with a chance of
thunderstorms. showers likely with a slight chance of
thunderstorms late. waves 1 to 2 feet. 
.thursday...south winds 10 to 15 knots becoming southwest.
showers. waves 1 to 2 feet. 
.thursday night...southwest winds 5 to 15 knots becoming west. a
chance of showers and thunderstorms in the evening, then a chance
of showers overnight. waves 1 to 2 feet. 
.friday...northwest winds 5 to 15 knots becoming southeast. a
chance of showers friday night. waves 2 feet or less. 
.saturday...south winds 15 to 25 knots becoming west. showers
with a chance of thunderstorms during the day, then a chance of
showers saturday night. waves 2 to 4 feet building to 3 to
6 feet. 
.sunday...west winds 15 to 25 knots becoming northwest. a chance
of rain showers during the day. waves 3 to 6 feet building to
4 to 7 feet, then subsiding to 3 to 6 feet. waves occasionally
around 9 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus63 kdtx 150816
glflh 
expires:202604151630;;398458

open lake forecast for lake huron
national weather service detroit/pontiac mi
416 am edt wed apr 15 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...stalled frontal boundary over the central great lakes
will lead to multiple episodes of showers and thunderstorms over
the next 2 days. a powerful cold front looks to cross the area on
saturday, with will present strong winds ahead and behind the
front.


lhz363-462>464-151630-
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-
416 am edt wed apr 15 2026

.today...south winds 10 to 15 knots backing to the southeast in 
the afternoon. a chance of showers in the afternoon. waves 1 to 3 
feet. 
.tonight...east winds 5 to 15 knots backing to the north after 
midnight. showers likely in the evening...then a chance of showers
after midnight. waves 1 to 3 feet. 
.thursday...north winds 5 to 10 knots. showers likely. waves 1 to
3 feet. 
.thursday night...north winds 5 to 10 knots. waves 2 feet or
less. 
.friday...north winds 5 to 10 knots veering to the southeast late
in the afternoon...then increasing to 10 to 15 knots late in the
evening. a chance of showers late in the evening. waves 2 feet or
less building to 3 to 5 feet late in the evening. 
.saturday...south winds 15 to 20 knots becoming west 20 to
25 knots with gusts to around 30 knots by midnight. a chance of
showers. waves 6 to 9 feet. waves occasionally around 12 feet. 
.sunday...west winds 20 to 25 knots with gusts to around 30 knots
veering to the northwest by midnight. a chance of showers early
in the morning. waves 8 to 12 feet. waves occasionally around
15 feet. 


$$

fzus63 kdtx 150816
glfsc 
expires:202604151630;;398460

lake st clair forecast
national weather service detroit/pontiac mi
416 am edt wed apr 15 2026

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...stalled frontal boundary over the central great lakes
will lead to multiple episodes of showers and thunderstorms over
the next 2 days. a powerful cold front looks to cross the area on
saturday, with will present strong winds ahead and behind the
front.


lcz460-151630-
lake st clair-
416 am edt wed apr 15 2026

.today...southwest winds 10 to 15 knots. a chance of light showers
in the morning...then light showers and a chance of thunderstorms in
the afternoon. waves 2 feet or less.
.tonight...southwest winds 10 to 15 knots. light showers likely in
the evening. a chance of thunderstorms. rain showers after midnight.
waves 2 feet or less.
.thursday...southwest winds 10 to 15 knots. light showers until late
afternoon...then light showers and a chance of thunderstorms early
in the afternoon. waves 2 feet or less.
.thursday night...west winds 10 to 15 knots becoming northwest 5 to
10 knots in the late evening and overnight. light showers and a
chance of thunderstorms early in the evening...then a chance of
light showers by midnight. waves 2 feet or less.
.friday...north winds 5 to 10 knots veering to the south in the
afternoon and evening. partly sunny becoming mostly sunny in the
afternoon becoming partly cloudy. waves 2 feet or less.
.saturday...west winds 20 to 25 knots. light showers and a chance of
thunderstorms. waves 2 to 4 feet.
.sunday...west winds 20 to 25 knots. partly cloudy. a chance of
light rain and snow showers. waves 2 to 4 feet.

$$

fzus63 kmkx 150749
glflm 
expires:202604151530;;396755

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
249 am cdt wed apr 15 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...

a stationary front will remain parked over the middle third of
the lake into this afternoon, slowly sinking south to the 
southern end of the lake by thursday morning. winds will remain 
southerly south of the front and modestly breezy, while winds 
north of the front will remain light and variable to northerly 
during this time. the front will clear the lake as a cold front 
friday, before low pressure of 29.6 inches approaches from the 
west. marine dense fog will continue through daybreak. will be
monitoring for potential extensions to the dense fog advisory if
conditions warrant this morning. 

additional thunderstorms are forecast over the southern third of
lake michigan today. a few storms could be severe with large hail
being the primary concern. additional storms are possible friday
into saturday, with a few stronger storms possible. 


lmz080-673-675-777-779-874-876-878-151530-
lake michigan from michigan city in to st. joseph mi 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 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-
249 am cdt wed apr 15 2026

north point light wi to grand haven mi south...

.today...southwest winds 15 to 25 kt becoming south 10 to 20 kt.
areas of dense fog this morning, then patchy dense fog this
afternoon. rain showers likely with slight chance of
thunderstorms this morning, then chance of rain showers and
thunderstorms this afternoon. waves 2 to 4 ft. 
.tonight...south winds 10 to 15 kt. patchy dense fog in the
evening. rain showers likely with a chance of thunderstorms in
the evening, then rain showers with a chance of thunderstorms
overnight. waves 1 to 3 ft. 
.thursday...southwest winds 10 to 20 kt veering to northwest
10 to 15 kt. rain showers likely with a chance of thunderstorms.
waves 1 to 3 ft. 
.thursday night...northwest winds 5 to 10 kt becoming north.
waves 1 to 2 ft. 
.friday...southeast winds 5 to 10 kt increasing to 10 to 20 kt in
the afternoon. waves 1 to 2 ft building to 2 to 4 ft. 
.friday night...southeast winds 15 to 25 kt becoming south.
showers with a chance of thunderstorms. waves 4 to 6 ft
occasionally to 8 ft. 
.saturday...south winds 15 to 25 kt becoming west. chance of rain
showers. waves 4 to 7 ft occasionally to 9 ft. 
.sunday...west winds to 30 kt becoming northwest. waves 8 to
11 ft occasionally to 14 ft.  

$$

fzus63 kmkx 150749
glflm 
expires:202604151530;;396753

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
249 am cdt wed apr 15 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...

a stationary front will remain parked over the middle third of
the lake into this afternoon, slowly sinking south to the 
southern end of the lake by thursday morning. winds will remain 
southerly south of the front and modestly breezy, while winds 
north of the front will remain light and variable to northerly 
during this time. the front will clear the lake as a cold front 
friday, before low pressure of 29.6 inches approaches from the 
west. marine dense fog will continue through daybreak. will be
monitoring for potential extensions to the dense fog advisory if
conditions warrant this morning. 

additional thunderstorms are forecast over the southern third of
lake michigan today. a few storms could be severe with large hail
being the primary concern. additional storms are possible friday
into saturday, with a few stronger storms possible. 


lmz261-362-364-366-563-565-567-868-151530-
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-
249 am cdt wed apr 15 2026

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until 7 am cdt this morning...

.today...north winds 5 to 10 kt increasing to 10 to 15 kt. areas
of dense fog this morning, then patchy dense fog this afternoon.
slight chance of rain showers. waves 1 to 3 ft. 
.tonight...northeast winds 5 to 10 kt increasing to 10 to 15 kt.
patchy dense fog in the evening. chance of rain showers and
thunderstorms in the evening, then chance of rain showers and
slight chance of thunderstorms overnight. waves 1 to 2 ft. 
.thursday...northeast winds 10 to 20 kt becoming north 10 to
15 kt. chance of rain showers. waves 1 to 2 ft. 
.thursday night...north winds 5 to 10 kt becoming northeast.
waves 1 to 2 ft. 
.friday...southeast winds 10 to 15 kt increasing to 10 to 20 kt.
waves 1 to 2 ft building to 3 to 5 ft. 
.friday night...southeast winds 15 to 25 kt becoming south to
30 kt. rain showers. waves 4 to 7 ft occasionally to 9 ft.
.saturday...south winds to 30 kt becoming southwest. chance of
rain showers. waves 4 to 7 ft occasionally to 9 ft. 
.sunday...northwest winds to 30 kt. waves 7 to 10 ft occasionally
to 13 ft.  

$$

fzus63 kmkx 150749
glflm 
expires:202604151530;;396754

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
249 am cdt wed apr 15 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...

a stationary front will remain parked over the middle third of
the lake into this afternoon, slowly sinking south to the 
southern end of the lake by thursday morning. winds will remain 
southerly south of the front and modestly breezy, while winds 
north of the front will remain light and variable to northerly 
during this time. the front will clear the lake as a cold front 
friday, before low pressure of 29.6 inches approaches from the 
west. marine dense fog will continue through daybreak. will be
monitoring for potential extensions to the dense fog advisory if
conditions warrant this morning. 

additional thunderstorms are forecast over the southern third of
lake michigan today. a few storms could be severe with large hail
being the primary concern. additional storms are possible friday
into saturday, with a few stronger storms possible. 


lmz669-671-870-872-151530-
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 whitehall to pentwater mi 5 nm offshore to mid
lake-
lake michigan from grand haven to whitehall mi 5 nm offshore to
mid lake-
249 am cdt wed apr 15 2026

sheboygan wi to pentwater mi south to north point light wi to
grand haven mi...

...dense fog advisory in effect until 7 am cdt this morning...

.today...southwest winds 15 to 25 kt diminishing to 10 to 20 kt
late this morning, then becoming west early this afternoon
veering to northeast 10 to 15 kt late. areas of dense fog. chance
of rain showers and slight chance of thunderstorms. waves 2 to
4 ft. 
.tonight...east winds 10 to 15 kt. patchy dense fog in the
evening. rain showers likely with a chance of thunderstorms in
the evening, then rain showers with a chance of thunderstorms
overnight. waves 1 to 3 ft. 
.thursday...east winds 10 to 15 kt backing to northwest. rain
showers likely with a chance of thunderstorms in the morning,
then chance of rain showers in the afternoon. waves 1 to 2 ft. 
.thursday night...north winds 5 to 10 kt. waves 1 to 2 ft. 
.friday...southeast winds 5 to 10 kt becoming south 10 to 20 kt
in the afternoon. waves 1 to 2 ft building to 3 to 5 ft. 
.friday night...southeast winds 15 to 25 kt becoming south to
30 kt. rain showers with a chance of thunderstorms. waves 4 to
7 ft occasionally to 9 ft. 
.saturday...south winds to 30 kt becoming southwest. chance of
rain showers. waves 4 to 7 ft occasionally to 9 ft. 
.sunday...west winds to 30 kt becoming northwest. waves 8 to
11 ft occasionally to 14 ft.  

$$

fzus63 kmkx 150246
glflm 
expires:202604150930;;383636

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
946 pm cdt tue apr 14 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...

a stationary front will remain parked over the middle third of
the lake into tomorrow, slowly sinking south to the southern end
of the lake by thursday morning. winds will remain southerly
south of the front and modestly breezy, while winds north of the
front will remain light and variable to northerly during this
time. the front will clear the lake as a cold front friday, 
before low pressure of 29.6 inches approaches from the west.

thunderstorms are possible over the southern third overnight into
thursday morning, then thursday late afternoon and night.
thunderstorm chances return along a cold front friday night. 


lmz080-777-779-874-876-878-150930-
lake michigan from michigan city in to st. joseph mi 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 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-
946 pm cdt tue apr 14 2026

winthrop harbor il to south haven mi south...

.rest of tonight...south winds 15 to 25 kt becoming southwest.
patchy fog late this evening, then areas of dense fog overnight.
showers with thunderstorms likely late this evening, then showers
likely with a chance of thunderstorms overnight. waves 2 to 4 ft.
.wednesday...southwest winds 10 to 20 kt becoming south. areas of
dense fog in the morning, then patchy dense fog in the afternoon.
rain showers likely with a chance of thunderstorms in the
morning, then chance of rain showers and thunderstorms in the
afternoon. waves 1 to 3 ft. 
.wednesday night...south winds 10 to 20 kt diminishing to 10 to
15 kt. patchy fog in the evening. rain showers with a chance of
thunderstorms. waves 1 to 3 ft. 
.thursday...southwest winds 15 to 25 kt becoming west 10 to 15 kt
in the afternoon. rain showers likely in the morning, then rain
showers likely with a chance of thunderstorms in the afternoon.
waves 2 to 4 ft. 
.thursday night...northwest winds 5 to 10 kt becoming north.
waves 1 to 3 ft. 
.friday...southeast winds 5 to 10 kt increasing to 10 to 15 kt.
waves 1 to 2 ft. 
.friday night...southeast winds 15 to 25 kt becoming south.
showers with a chance of thunderstorms. waves 3 to 5 ft building
to 4 to 7 ft occasionally to 9 ft. 
.saturday...south winds 15 to 25 kt becoming southwest. chance of
showers. waves 5 to 8 ft occasionally to 10 ft. 
.sunday...west winds to 30 kt becoming northwest. waves 8 to
12 ft occasionally to 16 ft.  

$$