fzus63 kmkx 141446
glflm 
expires:202604142145;;354972

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
946 am 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...

areas of marine dense fog will continue into wednesday morning as
a warm front/stationary front wavers over the middle third of lake
michigan. marine dense fog advisory is now in effect until 7 am 
cdt wednesday given this potential.

otherwise, severe storms are expected this afternoon into the
evening, mainly over the southern two thirds of the lake as a low
pressure of 29.6 inches shifts east into the area. hail and gusty
will be the main threat, but a tornadic storm from land that moves
over the lake and briefly produces a waterspout can't be ruled out 
along the wisconsin and illinois shoreline. winds will remain
southerly south of the stationary boundary with modest breezes to
15 knots, while winds north of the boundary will light and
variable. this configuration of winds will persist into wednesday,
with more thunderstorms expected over the southern half of the
lake wednesday afternoon.


lmz261-362-364-366-563-565-567-868-142145-
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-
946 am cdt tue apr 14 2026

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until 7 am cdt wednesday...

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

$$

fzus63 kmkx 141446
glflm 
expires:202604142145;;354973

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
946 am 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...

areas of marine dense fog will continue into wednesday morning as
a warm front/stationary front wavers over the middle third of lake
michigan. marine dense fog advisory is now in effect until 7 am 
cdt wednesday given this potential.

otherwise, severe storms are expected this afternoon into the
evening, mainly over the southern two thirds of the lake as a low
pressure of 29.6 inches shifts east into the area. hail and gusty
will be the main threat, but a tornadic storm from land that moves
over the lake and briefly produces a waterspout can't be ruled out 
along the wisconsin and illinois shoreline. winds will remain
southerly south of the stationary boundary with modest breezes to
15 knots, while winds north of the boundary will light and
variable. this configuration of winds will persist into wednesday,
with more thunderstorms expected over the southern half of the
lake wednesday afternoon.


lmz669-671-673-675-870-872-874-876-142145-
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 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-
946 am cdt tue apr 14 2026

sheboygan wi to pentwater mi south to winthrop harbor il to south
haven mi...

...dense fog advisory in effect until 7 am cdt wednesday...

.rest of today...southwest winds 10 to 20 kt becoming south.
areas of dense fog. chance of rain showers and thunderstorms this
afternoon. waves 3 to 5 ft. 
.tonight...southeast winds 10 to 20 kt veering to west.
widespread dense fog. rain showers with thunderstorms likely in
the evening, then rain showers likely with a chance of
thunderstorms overnight. waves 2 to 4 ft. 
.wednesday...southwest winds 10 to 15 kt becoming southeast.
widespread dense fog in the morning, then patchy fog in the
afternoon. rain showers likely in the morning, then rain showers
with a chance of thunderstorms in the afternoon. waves 2 to 4 ft.
.wednesday night...southeast winds 10 to 15 kt becoming south
10 to 20 kt. rain showers with a chance of thunderstorms in the
evening, then rain showers likely overnight. waves 2 to 4 ft. 
.thursday...southwest winds 10 to 20 kt. chance of rain showers.
waves 2 to 4 ft. 
.thursday night...northwest winds 10 to 15 kt becoming north.
waves 1 to 3 ft. 
.friday...east winds 10 to 15 kt becoming southeast 10 to 20 kt.
waves 1 to 3 ft. 
.saturday...south winds to 30 kt becoming southwest. chance of
rain showers. waves 7 to 10 ft occasionally to 13 ft.  

$$

fzus63 kmkx 141446
glflm 
expires:202604142145;;354974

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
946 am 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...

areas of marine dense fog will continue into wednesday morning as
a warm front/stationary front wavers over the middle third of lake
michigan. marine dense fog advisory is now in effect until 7 am 
cdt wednesday given this potential.

otherwise, severe storms are expected this afternoon into the
evening, mainly over the southern two thirds of the lake as a low
pressure of 29.6 inches shifts east into the area. hail and gusty
will be the main threat, but a tornadic storm from land that moves
over the lake and briefly produces a waterspout can't be ruled out 
along the wisconsin and illinois shoreline. winds will remain
southerly south of the stationary boundary with modest breezes to
15 knots, while winds north of the boundary will light and
variable. this configuration of winds will persist into wednesday,
with more thunderstorms expected over the southern half of the
lake wednesday afternoon.


lmz080-777-779-878-142145-
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 st. joseph to south haven mi 5 nm offshore to
mid lake-
946 am cdt tue apr 14 2026

winthrop harbor il to south haven mi south...

.rest of today...southwest winds 10 to 20 kt becoming south.
patchy fog late this morning, then areas of dense fog this
afternoon. chance of showers and thunderstorms this afternoon.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.tonight...south winds 10 to 20 kt becoming southwest. widespread
dense fog. chance of showers and thunderstorms in the evening,
then showers likely with a chance of thunderstorms overnight.
waves 2 to 4 ft. 
.wednesday...south winds 10 to 15 kt. patchy fog in the morning.
showers with a chance of thunderstorms. waves 1 to 3 ft. 
.wednesday night...south winds 10 to 15 kt becoming southwest
10 to 20 kt. showers with a chance of thunderstorms in the
evening, then showers overnight. waves 1 to 3 ft. 
.thursday...southwest winds 10 to 20 kt. chance of showers in the
morning, then showers likely in the afternoon. waves 1 to 3 ft. 
.thursday night...west winds 10 to 15 kt becoming north 5 to
10 kt. waves 1 to 2 ft. 
.friday...east winds 5 to 10 kt becoming southeast 10 to 15 kt.
waves 1 to 2 ft. 
.saturday...south winds 15 to 25 kt becoming southwest. showers
likely. waves 4 to 7 ft occasionally to 9 ft.  

$$