fzus63 kmkx 220909
glflm 
635 

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
309 am cst fri jan 22 2021

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... 

the gusty northwest winds continue through today before weakening
tonight as high pressure of 30.1 inches passes to the south of 
lake michigan. as this pushes out saturday expect light southerly
winds across the lake that will strengthen some as weak low
pressure across the southern central plains around 29.8 in pushes
in, however winds are expected to remain rather modest across the
lake. winds will then turn northerly as this system pushes out 
sunday.

&&

lmz261-362-364-366-563-565-567-868-221615-
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 fri jan 22 2021

sheboygan wi to pentwater mi north...

.today...northwest winds to 30 kt. freezing spray. chance of snow
this morning, then slight chance of snow this afternoon. waves
5 to 8 ft occasionally to 10 ft subsiding to 4 to 7 ft
occasionally to 9 ft. 
.tonight...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. freezing spray in the evening. slight chance of snow in
the evening, then chance of snow overnight. waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft. 
.saturday...northwest winds 10 to 15 kt becoming southwest. waves
1 to 3 ft subsiding to 1 to 2 ft. 
.saturday night...south winds 10 to 15 kt increasing to 15 to
25 kt overnight. snow likely overnight. waves 1 to 3 ft building
to 4 to 6 ft occasionally to 8 ft. 
.sunday...south winds 10 to 20 kt becoming southwest. snow and
rain in the morning, then chance of snow and rain in the
afternoon. waves 4 to 6 ft occasionally to 8 ft. 
.sunday night...west winds 10 to 15 kt veering to northeast 10 to
20 kt. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.monday...northeast winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft building to 3 to 5 ft. 
.tuesday...north winds 10 to 20 kt. waves 4 to 6 ft occasionally
to 8 ft subsiding to 3 to 5 ft.  

$$

fzus63 kmkx 220909
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-221615-
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 fri jan 22 2021

sheboygan wi to pentwater mi south...

.today...northwest winds to 30 kt diminishing to 15 to 25 kt.
freezing spray this morning. chance of snow this morning, then
slight chance of snow this afternoon. waves 6 to 9 ft
occasionally to 12 ft subsiding to 4 to 7 ft occasionally to
9 ft. 
.tonight...northwest winds 15 to 25 kt diminishing to 10 to
15 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft. 
.saturday...northwest winds 5 to 10 kt backing to south. waves
2 to 4 ft subsiding to 1 to 2 ft. 
.saturday night...south winds 10 to 20 kt becoming southeast
15 to 25 kt. snow and rain likely overnight. waves 2 to 4 ft
building to 4 to 6 ft occasionally to 8 ft. 
.sunday...south winds 10 to 20 kt becoming southwest 10 to 15 kt.
snow and rain in the morning, then chance of rain in the
afternoon. waves 4 to 6 ft occasionally to 8 ft. 
.sunday night...north winds 10 to 15 kt becoming northeast 10 to
20 kt. waves 2 to 4 ft. 
.monday...northeast winds 15 to 25 kt increasing to 30 kt. chance
of rain and snow. waves 3 to 5 ft building to 4 to 7 ft
occasionally to 9 ft. 
.tuesday...northeast winds 15 to 25 kt becoming north 10 to
20 kt. waves 4 to 7 ft occasionally to 9 ft.  

$$