fzus63 kmkx 210252
glflm 
expires:202602211030;;989470

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cst fri feb 20 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 29.6 inches over lake huron will continue to
weaken through this evening. gales remain possible early this 
evening over the southern third of lake michigan, with west to 
northwest winds continuing to gradually subside into tonight.

northwest to north winds will continue across the lake into early
next week as a strong polar high pressure builds southward into 
south central canada. as the high draws closer, the pressure 
gradient will tighten sunday into monday. gales will be possible,
especially sunday afternoon through monday morning. light and 
variable winds are then expected into monday evening as the polar
high weakens and drifts overhead. a modest south breeze develops 
tuesday as weak high pressure drifts east of the region and low 
pressure develops west of the lake. 


lmz261-362-364-366-563-565-211030-
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-
852 pm cst fri feb 20 2026

two rivers wi to manistee mi north...

.rest of tonight...northwest winds to 30 kt diminishing to 15 to
25 kt. snow likely with slight chance of rain through early
evening, then snow likely overnight. waves 6 to 9 ft occasionally
to 12 ft. 
.saturday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
snow likely in the morning, then chance of snow in the afternoon.
waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.saturday night...north winds 10 to 20 kt increasing to 15 to
25 kt. chance of snow in the evening, then chance of snow showers
overnight. waves 2 to 4 ft building to 4 to 7 ft occasionally to
9 ft. 
.sunday...north winds to 30 kt. chance of snow showers in the
morning. waves 7 to 10 ft occasionally to 13 ft. 
.sunday night...north gales to 35 kt. waves 8 to 12 ft
occasionally to 16 ft. 
.monday...north gales to 35 kt diminishing to 30 kt. waves 8 to
12 ft occasionally to 16 ft subsiding to 7 to 10 ft occasionally
to 13 ft. 
.monday night...north winds 10 to 20 kt becoming northeast 10 to
15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 1 to
3 ft. 
.tuesday...south winds 10 to 20 kt increasing to 15 to 25 kt.
chance of snow. waves 3 to 5 ft building to 5 to 8 ft
occasionally to 10 ft. 
.wednesday...west winds 10 to 20 kt. waves 4 to 6 ft occasionally
to 8 ft subsiding to 3 to 5 ft.  

$$

fzus63 kmkx 210252
glflm 
expires:202602211030;;989471

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cst fri feb 20 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 29.6 inches over lake huron will continue to
weaken through this evening. gales remain possible early this 
evening over the southern third of lake michigan, with west to 
northwest winds continuing to gradually subside into tonight.

northwest to north winds will continue across the lake into early
next week as a strong polar high pressure builds southward into 
south central canada. as the high draws closer, the pressure 
gradient will tighten sunday into monday. gales will be possible,
especially sunday afternoon through monday morning. light and 
variable winds are then expected into monday evening as the polar
high weakens and drifts overhead. a modest south breeze develops 
tuesday as weak high pressure drifts east of the region and low 
pressure develops west of the lake. 


lmz567-669-868-870-211030-
lake michigan from two rivers to sheboygan wi 5 nm offshore to
mid lake-
lake michigan from sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
852 pm cst fri feb 20 2026

two rivers wi to manistee mi south to port washington wi to
whitehall mi...

...gale warning in effect until 9 pm cst this evening...

.rest of tonight...northwest gales to 35 kt diminishing to 15 to
25 kt. chance of snow through early evening, then slight chance
of snow overnight. waves 8 to 12 ft occasionally to 16 ft
subsiding to 7 to 10 ft occasionally to 13 ft. 
.saturday...northwest winds 10 to 20 kt. slight chance of snow.
waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft. 
.saturday night...northwest winds 10 to 20 kt increasing to 15 to
25 kt. chance of snow in the evening, then chance of snow showers
overnight. waves 3 to 5 ft building to 5 to 8 ft occasionally to
10 ft. 
.sunday...northwest winds to 30 kt becoming north. chance of snow
showers in the morning. waves 8 to 11 ft occasionally to 14 ft. 
.sunday night...north gales to 35 kt. waves 10 to 14 ft
occasionally to 18 ft. 
.monday...north gales to 35 kt diminishing to 30 kt. waves 10 to
14 ft occasionally to 18 ft. 
.monday night...north winds 10 to 20 kt backing to west 10 to
15 kt. waves 5 to 8 ft occasionally to 10 ft subsiding to 2 to
4 ft. 
.tuesday...south winds 15 to 25 kt. chance of snow. waves 3 to
5 ft building to 5 to 8 ft occasionally to 10 ft. 
.wednesday...west winds 10 to 20 kt. chance of rain. waves 4 to
7 ft occasionally to 9 ft subsiding to 4 to 6 ft occasionally to
8 ft.  

$$

fzus63 kmkx 210252
glflm 
expires:202602211030;;989472

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
852 pm cst fri feb 20 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 29.6 inches over lake huron will continue to
weaken through this evening. gales remain possible early this 
evening over the southern third of lake michigan, with west to 
northwest winds continuing to gradually subside into tonight.

northwest to north winds will continue across the lake into early
next week as a strong polar high pressure builds southward into 
south central canada. as the high draws closer, the pressure 
gradient will tighten sunday into monday. gales will be possible,
especially sunday afternoon through monday morning. light and 
variable winds are then expected into monday evening as the polar
high weakens and drifts overhead. a modest south breeze develops 
tuesday as weak high pressure drifts east of the region and low 
pressure develops west of the lake. 


lmz080-671-673-675-777-779-872-874-876-878-211030-
lake michigan from michigan city in to st. joseph mi 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 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-
852 pm cst fri feb 20 2026

port washington wi to whitehall mi south...

...gale warning in effect until 10 pm cst this evening...

.rest of tonight...west gales to 35 kt becoming northwest 15 to
25 kt. waves 10 to 14 ft occasionally to 18 ft subsiding to 6 to
9 ft occasionally to 12 ft. 
.saturday...northwest winds 10 to 20 kt. waves 5 to 8 ft
occasionally to 10 ft subsiding to 3 to 5 ft. 
.saturday night...northwest winds 10 to 20 kt increasing to 15 to
25 kt. chance of snow in the evening, then chance of snow showers
overnight. waves 3 to 5 ft building to 5 to 8 ft occasionally to
10 ft. 
.sunday...northwest winds to 30 kt. chance of snow showers. waves
8 to 11 ft occasionally to 14 ft building to 8 to 12 ft
occasionally to 16 ft. 
.sunday night...north winds to 30 kt increasing to gales to
35 kt. chance of snow. waves 10 to 14 ft occasionally to 18 ft. 
.monday...north gales to 35 kt diminishing to 30 kt. chance of
snow in the morning. waves 12 to 16 ft occasionally to 21 ft. 
.monday night...north winds 10 to 20 kt backing to west 10 to
15 kt. waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to
6 ft occasionally to 8 ft. 
.tuesday...southwest winds 15 to 25 kt becoming south. waves 3 to
5 ft building to 5 to 8 ft occasionally to 10 ft. 
.wednesday...southwest winds 10 to 20 kt. chance of rain. waves
4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft.  

$$