fzus63 kmkx 180227
glflm 
expires:202606181000;;931214

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
927 pm cdt wed jun 17 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...

low pressure around 29.2 inches will track across central 
portions of the lake tonight. with the tight pressure gradient
will see gusty northeast to northerly winds across the northern 
third of the lake and gusty southwest to west winds for the 
southern third. occasional gusts up to 30 knots possible, 
especially for the southern portions of the lake. 

as low pressure exits into michigan early thursday morning,
expect all winds to shift to become northwesterly and diminish
gradually into thursday. winds remain light and northwesterly
through the remainder of thursday and through friday as high
pressure around 30.0 inches progresses southeastward into the
lower mississippi valley. winds may briefly turn southwesterly
friday night as weak low pressure moves through the region, but
high pressure will rapidly regain dominance by saturday, 
keeping winds light and variable. stronger low pressure will 
approach from the central plains on sunday, bringing more 
widespread rain and thunderstorms and turning winds to 
northeasterly. northeast winds will continue into early next 
week.


lmz261-362-364-366-563-565-567-868-181000-
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-
927 pm cdt wed jun 17 2026

sheboygan wi to pentwater mi north...

.rest of tonight...east winds 10 to 20 kt backing to north.
numerous showers through early evening, then scattered showers
overnight. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.thursday...northwest winds 15 to 25 kt backing to southwest
10 to 20 kt. scattered showers in the morning. waves 3 to 5 ft
subsiding to 2 to 4 ft. 
.thursday night...west winds 10 to 20 kt becoming northwest.
waves 1 to 3 ft. 
.friday...northwest winds 10 to 20 kt becoming west. waves 1 to
3 ft. 
.friday night...west winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.saturday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft. 
.saturday night...west winds 10 to 20 kt veering to northeast
5 to 10 kt. waves 1 to 2 ft. 
.sunday...north winds 5 to 10 kt increasing to 10 to 20 kt. waves
1 to 2 ft. 
.monday...north winds 10 to 20 kt increasing to 30 kt. waves 3 to
5 ft.  

$$

fzus63 kmkx 180227
glflm 
expires:202606181000;;931215

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
927 pm cdt wed jun 17 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...

low pressure around 29.2 inches will track across central 
portions of the lake tonight. with the tight pressure gradient
will see gusty northeast to northerly winds across the northern 
third of the lake and gusty southwest to west winds for the 
southern third. occasional gusts up to 30 knots possible, 
especially for the southern portions of the lake. 

as low pressure exits into michigan early thursday morning,
expect all winds to shift to become northwesterly and diminish
gradually into thursday. winds remain light and northwesterly
through the remainder of thursday and through friday as high
pressure around 30.0 inches progresses southeastward into the
lower mississippi valley. winds may briefly turn southwesterly
friday night as weak low pressure moves through the region, but
high pressure will rapidly regain dominance by saturday, 
keeping winds light and variable. stronger low pressure will 
approach from the central plains on sunday, bringing more 
widespread rain and thunderstorms and turning winds to 
northeasterly. northeast winds will continue into early next 
week.


lmz080-669-671-673-675-777-779-870-872-874-876-878-181000-
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-
927 pm cdt wed jun 17 2026

sheboygan wi to pentwater mi south...

.rest of tonight...south winds to 30 kt veering to west.
scattered showers with isolated thunderstorms through early
evening, then isolated showers overnight. waves 6 to 9 ft
occasionally to 12 ft. 
.thursday...northwest winds to 30 kt diminishing to 15 to 25 kt
late in the morning, then becoming west 10 to 20 kt early in the
afternoon diminishing to 10 to 15 kt late. slight chance of
showers in the morning. waves 6 to 9 ft occasionally to 12 ft
subsiding to 3 to 5 ft. 
.thursday night...west winds 10 to 20 kt becoming northwest.
waves 2 to 4 ft. 
.friday...northwest winds 10 to 20 kt becoming west. waves 2 to
4 ft. 
.friday night...southwest winds 10 to 15 kt becoming west. waves
1 to 2 ft. 
.saturday...west winds 10 to 15 kt becoming southwest. waves 1 to
2 ft. 
.saturday night...south winds 5 to 10 kt backing to northeast.
waves 1 ft or less. 
.sunday...northeast winds 10 to 15 kt increasing to 15 to 25 kt.
chance of showers. waves 1 to 2 ft building to 2 to 4 ft. 
.monday...north winds 15 to 25 kt increasing to 30 kt. waves 5 to
8 ft occasionally to 10 ft.  

$$