fzus63 kmkx 241942
glflm 
expires:202605250315;;583591

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
242 pm cdt sun may 24 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...

developing high pressure of 30.2 inches over the lake tonight 
with mostly modest south the southwest flow, lighter toward the 
base of the low. as the high develops some fog over the lake may
develop but the drier conditions may limit the degree of fog. a
marine dense fog advisory may be needed for a time across 
southern open waters for tonight into monday morning.

the base of the higher pressure will push to the east but will
remain over the general region keeping precipitation mostly away
from the lake. there will be chances over the northern part of
the lake with a warm front in the vicinity but likely doesnt
play as much a role until later tuesday into tuesday night as
the warm front sags back south (cold front) as high pressure
around 30.1 inches develops in the northern great lake region 
that will be connected with a more substantial high pressure 
around 30.3 inches building toward eastern hudson bay.
precipitation likely tuesday into wednesday over northern and
perhaps central parts of the lake with southern parts of the
lake more uncertain into wednesday.


lmz261-362-364-366-563-565-567-868-250315-
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-
242 pm cdt sun may 24 2026

sheboygan wi to pentwater mi north...

.tonight...south winds 10 to 15 kt increasing to 10 to 20 kt.
patchy fog this evening, then areas of dense fog overnight. waves
1 to 2 ft. 
.monday...south winds 10 to 20 kt increasing to 15 to 25 kt.
patchy fog in the morning. waves 2 to 4 ft. 
.monday night...south winds 15 to 25 kt becoming southwest to
30 kt. waves 3 to 5 ft. 
.tuesday...southwest winds 15 to 25 kt. waves 3 to 5 ft. 
.tuesday night...southwest winds 10 to 20 kt becoming west 5 to
10 kt overnight. waves 2 to 4 ft. 
.wednesday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 1 to 2 ft building to 2 to 4 ft. 
.wednesday night...north winds 10 to 20 kt becoming northeast.
waves 3 to 5 ft. 
.thursday...northeast winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 3 ft. 
.friday...southwest winds 5 to 10 kt becoming south 10 to 15 kt.
waves 1 to 2 ft.  

$$

fzus63 kmkx 241942
glflm 
expires:202605250315;;583592

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
242 pm cdt sun may 24 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...

developing high pressure of 30.2 inches over the lake tonight 
with mostly modest south the southwest flow, lighter toward the 
base of the low. as the high develops some fog over the lake may
develop but the drier conditions may limit the degree of fog. a
marine dense fog advisory may be needed for a time across 
southern open waters for tonight into monday morning.

the base of the higher pressure will push to the east but will
remain over the general region keeping precipitation mostly away
from the lake. there will be chances over the northern part of
the lake with a warm front in the vicinity but likely doesnt
play as much a role until later tuesday into tuesday night as
the warm front sags back south (cold front) as high pressure
around 30.1 inches develops in the northern great lake region 
that will be connected with a more substantial high pressure 
around 30.3 inches building toward eastern hudson bay.
precipitation likely tuesday into wednesday over northern and
perhaps central parts of the lake with southern parts of the
lake more uncertain into wednesday.


lmz080-669-671-673-675-777-779-870-872-874-876-878-250315-
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-
242 pm cdt sun may 24 2026

sheboygan wi to pentwater mi south...

.tonight...south winds 10 to 15 kt. patchy fog. waves 1 to 2 ft. 
.monday...south winds 10 to 15 kt increasing to 10 to 20 kt.
patchy fog in the morning. waves 2 to 4 ft. 
.monday night...south winds 10 to 20 kt. waves 2 to 4 ft. 
.tuesday...south winds 10 to 20 kt. waves 2 to 4 ft. 
.tuesday night...south winds 10 to 20 kt diminishing to 5 to
10 kt overnight. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.wednesday...northeast winds 5 to 10 kt becoming north 10 to
20 kt in the afternoon. waves 1 to 2 ft building to 2 to 4 ft. 
.wednesday night...north winds 10 to 20 kt becoming northeast.
waves 3 to 5 ft. 
.thursday...northeast winds 10 to 15 kt becoming north 10 to
20 kt. waves 2 to 4 ft. 
.friday...east winds 5 to 10 kt becoming northeast 10 to 15 kt.
waves 1 to 2 ft.  

$$