fzus63 kmkx 220809
glflm 
expires:202605221515;;445107

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am cdt fri may 22 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...

high pressure of 30.4 inches centered over the upper great lakes 
will gradually shift eastward through the end of the week. 
modest to breezy east to northeast winds are expected into 
tonight, with winds becoming northerly on saturday as low pressure
of 29.9 inches lifts northeast to western lake erie. southerly 
winds are then expected to develop early next week.


lmz261-362-364-366-563-565-567-868-221515-
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-
309 am cdt fri may 22 2026

sheboygan wi to pentwater mi north...

.today...east winds 10 to 20 kt becoming northeast 20 to 30 kt.
waves 2 to 4 ft building to 3 to 5 ft. 
.tonight...east winds 20 to 30 kt. slight chance of showers 
overnight. waves 3 to 5 ft subsiding to 2 to 4 ft. 
.saturday...east winds 20 to 30 kt becoming northeast. chance of
rain showers in the morning. waves 4 to 6 ft occasionally to
8 ft. 
.saturday night...east winds 20 to 30 kt becoming southeast 10 to
20 kt overnight. waves 4 to 6 ft occasionally to 8 ft subsiding
to 2 to 4 ft. 
.sunday...south winds 5 to 10 kt increasing to 10 to 15 kt in the
afternoon. waves 1 to 2 ft. 
.sunday night...south winds 10 to 15 kt becoming southwest. waves
1 ft or less. 
.monday...south winds 5 to 10 kt increasing to 10 to 15 kt. waves
1 to 2 ft. 
.tuesday...southwest winds 10 to 20 kt. waves 1 to 2 ft.  

$$

fzus63 kmkx 220809
glflm 
expires:202605221515;;445108

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am cdt fri may 22 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...

high pressure of 30.4 inches centered over the upper great lakes 
will gradually shift eastward through the end of the week. 
modest to breezy east to northeast winds are expected into 
tonight, with winds becoming northerly on saturday as low pressure
of 29.9 inches lifts northeast to western lake erie. southerly 
winds are then expected to develop early next week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-221515-
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-
309 am cdt fri may 22 2026

sheboygan wi to pentwater mi south...

.today...east winds 10 to 20 kt becoming northeast 15 to 25 kt.
waves 3 to 5 ft. 
.tonight...east winds 15 to 25 kt diminishing to 10 to 20 kt.
chance of showers overnight. waves 2 to 4 ft. 
.saturday...east winds 10 to 20 kt becoming north 10 to 15 kt.
chance of showers in the morning. waves 2 to 4 ft. 
.saturday night...northeast winds 5 to 10 kt becoming southeast.
waves 1 to 2 ft. 
.sunday...south winds 5 to 10 kt. chance of rain showers. waves
1 ft or less. 
.sunday night...southeast winds 5 to 10 kt becoming south. waves
1 ft or less. 
.monday...south winds 5 to 10 kt becoming southeast. waves 1 to
2 ft. 
.tuesday...south winds 10 to 15 kt. waves 1 to 2 ft.  

$$