fzus63 kmkx 192101
glflm 
expires:202601200430;;176175

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
301 pm cst mon jan 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...

low pressure around 29.5 inches will move from the eastern upper
peninsula of michigan to eastern ontario today. widespread gales are
expected through the rest of the day, with a gale warning in 
effect until 6 pm cst this evening for all of lake michigan. 

winds will weaken somewhat this evening into early tuesday 
morning, as high pressure around 30.4 inches remains well south of
the region. winds will shift southwesterly tuesday afternoon, as 
the high moves into the mid-atlantic. elevated waves and arriving
arctic air will lead to areas of heavy freezing spray through 
tuesday morning. a heavy freezing spray warning remains in effect 
until noon cst tuesday for all of lake michigan.

west to southwest winds will continue into wednesday, as low 
pressure around 29.6 inches passes across the lake. winds will 
increase further and shift west to northwest wednesday night, as 
another arctic cold front crosses lake michigan. a few gale force
gusts may occur. arriving arctic air and elevated wave heights 
will support additional periods of moderate to potentially heavy 
freezing spray wednesday night into thursday. 

winds will turn north to northwest friday, as strong high 
pressure around 30.8 inches builds into the northern great plains.


lmz261-362-364-366-563-565-567-868-200430-
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-
301 pm cst mon jan 19 2026

sheboygan wi to pentwater mi north...

...gale warning in effect until 6 pm cst this evening...
...heavy freezing spray warning in effect through tuesday
morning...

.tonight...west winds to 30 kt. heavy freezing spray. slight
chance of snow showers. waves 7 to 10 ft occasionally to 13 ft
subsiding to 6 to 9 ft occasionally to 12 ft. 
.tuesday...west winds to 30 kt. heavy freezing spray. waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.tuesday night...west winds 15 to 25 kt diminishing to 10 to
20 kt. chance of snow in the evening, then snow overnight. waves
4 to 6 ft occasionally to 8 ft. 
.wednesday...west winds 10 to 20 kt increasing to 15 to 25 kt.
chance of snow. waves 4 to 6 ft occasionally to 8 ft building to
4 to 7 ft occasionally to 9 ft. 
.wednesday night...west winds to 30 kt. chance of snow in the
evening. freezing spray. waves 6 to 9 ft occasionally to 12 ft. 
.thursday...west winds to 30 kt. heavy freezing spray. waves 7 to
10 ft occasionally to 13 ft. 
.thursday night...west gales to 35 kt becoming northwest. heavy
freezing spray. waves 7 to 10 ft occasionally to 13 ft.
.friday...northwest winds to 30 kt. heavy freezing spray. waves
6 to 9 ft occasionally to 12 ft. 
.saturday...northwest winds 10 to 20 kt becoming west 10 to
15 kt. waves 2 to 4 ft.  

$$

fzus63 kmkx 192101
glflm 
expires:202601200430;;176176

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
301 pm cst mon jan 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...

low pressure around 29.5 inches will move from the eastern upper
peninsula of michigan to eastern ontario today. widespread gales are
expected through the rest of the day, with a gale warning in 
effect until 6 pm cst this evening for all of lake michigan. 

winds will weaken somewhat this evening into early tuesday 
morning, as high pressure around 30.4 inches remains well south of
the region. winds will shift southwesterly tuesday afternoon, as 
the high moves into the mid-atlantic. elevated waves and arriving
arctic air will lead to areas of heavy freezing spray through 
tuesday morning. a heavy freezing spray warning remains in effect 
until noon cst tuesday for all of lake michigan.

west to southwest winds will continue into wednesday, as low 
pressure around 29.6 inches passes across the lake. winds will 
increase further and shift west to northwest wednesday night, as 
another arctic cold front crosses lake michigan. a few gale force
gusts may occur. arriving arctic air and elevated wave heights 
will support additional periods of moderate to potentially heavy 
freezing spray wednesday night into thursday. 

winds will turn north to northwest friday, as strong high 
pressure around 30.8 inches builds into the northern great plains.


lmz080-669-671-673-675-777-779-870-872-874-876-878-200430-
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-
301 pm cst mon jan 19 2026

sheboygan wi to pentwater mi south...

...gale warning in effect until 6 pm cst this evening...
...heavy freezing spray warning in effect through tuesday
morning...

.tonight...west winds to 30 kt. heavy freezing spray. chance of
snow showers. waves 10 to 14 ft occasionally to 18 ft subsiding
to 7 to 10 ft occasionally to 13 ft. 
.tuesday...west winds 15 to 25 kt becoming southwest 10 to 20 kt.
chance of snow showers in the morning. heavy freezing spray in
the morning, then freezing spray in the afternoon. waves 6 to
9 ft occasionally to 12 ft subsiding to 4 to 6 ft occasionally to
8 ft. 
.tuesday night...southwest winds 10 to 20 kt increasing to 15 to
25 kt. chance of snow in the evening, then snow overnight. waves
4 to 7 ft occasionally to 9 ft. 
.wednesday...west winds 15 to 25 kt increasing to 30 kt. chance
of snow. waves 6 to 9 ft occasionally to 12 ft. 
.wednesday night...west winds to 30 kt. chance of snow in the
evening. freezing spray overnight. waves 7 to 10 ft occasionally
to 13 ft building to 8 to 11 ft occasionally to 14 ft. 
.thursday...west winds to 30 kt. freezing spray. chance of snow
in the afternoon. waves 8 to 11 ft occasionally to 14 ft. 
.thursday night...west gales to 35 kt becoming northwest to
30 kt. heavy freezing spray. waves 8 to 11 ft occasionally to
14 ft. 
.friday...northwest winds to 30 kt. heavy freezing spray. chance
of snow. waves 8 to 11 ft occasionally to 14 ft subsiding to 7 to
10 ft occasionally to 13 ft. 
.saturday...northwest winds 10 to 20 kt. waves 4 to 6 ft
occasionally to 8 ft.  

$$