fzus63 kmkx 190909
glflm 
expires:202601191630;;148825

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am 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. an arctic cold 
front will move east of the lake into this morning, with rapidly 
increasing west northwest winds behind it. widespread gales are 
then expected through today, 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 tennessee. 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 
12 pm 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.


lmz261-362-364-366-563-565-567-868-191630-
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 cst mon jan 19 2026

sheboygan wi to pentwater mi north...

...gale warning in effect through this afternoon...
...heavy freezing spray warning in effect through tuesday
morning...

.today...northwest gales to 40 kt diminishing to 30 kt. scattered
snow showers. waves 10 to 14 ft occasionally to 18 ft subsiding 
to 8 to 11 ft occasionally to 14 ft. 
.tonight...west winds to 30 kt. heavy freezing spray. isolated
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 diminishing to 15 to 25 kt. heavy
freezing spray in the morning. waves 5 to 8 ft occasionally to
10 ft subsiding to 4 to 6 ft occasionally to 8 ft. 
.tuesday night...west winds 15 to 25 kt diminishing to 10 to
20 kt. chance of snow overnight. waves 3 to 5 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. 
.wednesday night...west winds to 30 kt. freezing spray. chance of
snow. waves 6 to 9 ft occasionally to 12 ft. 
.thursday...west winds to 30 kt. heavy freezing spray. waves 6 to
9 ft occasionally to 12 ft. 
.friday...northwest winds to 30 kt. waves 4 to 6 ft occasionally
to 8 ft.  

$$

fzus63 kmkx 190909
glflm 
expires:202601191630;;148826

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am 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. an arctic cold 
front will move east of the lake into this morning, with rapidly 
increasing west northwest winds behind it. widespread gales are 
then expected through today, 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 tennessee. 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 
12 pm 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.


lmz080-669-671-673-675-777-779-870-872-874-876-878-191630-
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 cst mon jan 19 2026

sheboygan wi to pentwater mi south...

...gale warning in effect through this afternoon...
...heavy freezing spray warning in effect through tuesday
morning...

.today...west gales to 40 kt diminishing to 30 kt. heavy freezing
spray. scattered snow showers. waves 12 to 16 ft occasionally to
21 ft. 
.tonight...west winds to 30 kt. heavy freezing spray. scattered
snow showers. waves 8 to 12 ft occasionally to 16 ft subsiding to
8 to 11 ft occasionally to 14 ft. 
.tuesday...west winds to 30 kt diminishing to 15 to 25 kt late in
the morning, then becoming west 15 to 25 kt early in the
afternoon becoming southwest 10 to 20 kt late. chance of snow
showers in the morning. heavy freezing spray in the morning, then
freezing spray in the afternoon. waves 7 to 10 ft occasionally to
13 ft subsiding to 4 to 7 ft occasionally to 9 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 6 ft occasionally to 8 ft. 
.wednesday...west winds 15 to 25 kt increasing to 30 kt. chance
of snow in the morning. waves 5 to 8 ft occasionally to 10 ft. 
.wednesday night...west winds to 30 kt increasing to gales to
35 kt. freezing spray. chance of snow. waves 6 to 9 ft
occasionally to 12 ft building to 7 to 10 ft occasionally to
13 ft. 
.thursday...west winds to 30 kt. freezing spray. chance of snow.
waves 7 to 10 ft occasionally to 13 ft. 
.friday...northwest winds to 30 kt. heavy freezing spray. chance
of snow. waves 4 to 7 ft occasionally to 9 ft.  

$$