fzus63 kmkx 192018
glflm 
expires:202605200330;;309459

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
318 pm cdt tue may 19 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...

gusty westerly winds are developing in the wake of a cold front
this afternoon. gusts up to 30 kt will be possible right behind
the front and then winds will gradually diminish overnight. high 
pressure around 30.4 inches will then move into the northern great
lakes on wednesday. modest northeast winds are expected wednesday
afternoon through thursday, especially over the south half. winds
will remain easterly through saturday as strong high pressure
around 30.5 tracks across ontario and quebec and a weak low 
pressure trough around 29.8 inches sets up in the plains. 


lmz261-362-364-366-563-565-567-868-200330-
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-
318 pm cdt tue may 19 2026

sheboygan wi to pentwater mi north...

.tonight...northwest winds 10 to 20 kt becoming north. waves 3 to
5 ft subsiding to 2 to 4 ft. 
.wednesday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft. 
.wednesday night...northeast winds 10 to 20 kt diminishing to
10 to 15 kt. waves 1 to 3 ft. 
.thursday...northeast winds 10 to 15 kt increasing to 10 to
20 kt. waves 1 to 3 ft. 
.thursday night...northeast winds 10 to 20 kt becoming east 10 to
15 kt. waves 1 to 3 ft. 
.friday...east winds 10 to 20 kt becoming northeast 15 to 25 kt.
waves 1 to 3 ft building to 3 to 5 ft. 
.friday night...east winds 15 to 25 kt increasing to 30 kt.
chance of showers. waves 4 to 6 ft occasionally to 8 ft. 
.saturday...east winds to 30 kt becoming northeast. chance of
showers. waves 4 to 6 ft occasionally to 8 ft. 
.sunday...southwest winds 10 to 15 kt. waves 1 ft or less.  

$$

fzus63 kmkx 192018
glflm 
expires:202605200330;;309460

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
318 pm cdt tue may 19 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...

gusty westerly winds are developing in the wake of a cold front
this afternoon. gusts up to 30 kt will be possible right behind
the front and then winds will gradually diminish overnight. high 
pressure around 30.4 inches will then move into the northern great
lakes on wednesday. modest northeast winds are expected wednesday
afternoon through thursday, especially over the south half. winds
will remain easterly through saturday as strong high pressure
around 30.5 tracks across ontario and quebec and a weak low 
pressure trough around 29.8 inches sets up in the plains. 


lmz080-669-671-673-675-777-779-870-872-874-876-878-200330-
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-
318 pm cdt tue may 19 2026

sheboygan wi to pentwater mi south...

.tonight...northwest winds 10 to 20 kt becoming north. waves 3 to
5 ft. 
.wednesday...north winds 10 to 20 kt increasing to 15 to 25 kt.
waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. 
.wednesday night...north winds 15 to 25 kt becoming northeast
10 to 20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to
3 to 5 ft. 
.thursday...east winds 10 to 15 kt becoming north 10 to 20 kt.
waves 2 to 4 ft. 
.thursday night...northeast winds 10 to 20 kt becoming east.
waves 3 to 5 ft. 
.friday...east winds 10 to 20 kt becoming northeast 15 to 25 kt.
chance of rain showers. waves 3 to 5 ft. 
.friday night...east winds 15 to 25 kt. showers likely. waves
4 to 6 ft occasionally to 8 ft. 
.saturday...east winds 10 to 20 kt becoming north 10 to 15 kt.
waves 3 to 5 ft subsiding to 2 to 4 ft. 
.sunday...west winds 5 to 10 kt backing to southeast. waves 1 ft
or less.  

$$