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fzus63 kmkx 210144
glflm 
414 

open lake forecast for lake michigan
national weather service milwaukee/sullivan wi
844 pm cdt sun sep 20 2020

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... 

high pressure of 30.6 inches centered over the northeast united 
states will remain nearly stationary through monday. this will 
bring persistent southerly winds to lake michigan tonight through
monday. the winds will be high enough to build significant 
waves, with the highest waves tonight into monday across central 
and northern portions of the lake. 

winds will remain southerly tuesday into wednesday, though they 
should be lighter with lower waves also expected. 

&&

lmz261-362-364-366-563-565-567-868-211100-
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-
844 pm cdt sun sep 20 2020

sheboygan wi to pentwater mi north...

.rest of tonight...south winds 15 to 25 kt increasing to 30 kt.
waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft. 
.monday...south winds to 30 kt. waves 5 to 8 ft occasionally to
10 ft. 
.monday night...south winds to 30 kt becoming southwest 15 to
25 kt. waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to
7 ft occasionally to 9 ft. 
.tuesday...southwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.tuesday night...southwest winds 10 to 15 kt. waves 1 to 3 ft. 
.wednesday...southwest winds 5 to 10 kt increasing to 10 to
15 kt. waves 1 to 3 ft. 
.wednesday night...southwest winds 10 to 15 kt becoming west.
waves 1 to 3 ft. 
.thursday...northwest winds 10 to 15 kt becoming north. waves
1 to 3 ft. 
.friday...south winds 10 to 20 kt. waves 2 to 4 ft.  

$$
fzus63 kmkx 210144
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-211100-
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-
844 pm cdt sun sep 20 2020

sheboygan wi to pentwater mi south...

.rest of tonight...southeast winds 10 to 20 kt becoming south to
30 kt. waves 2 to 4 ft building to 4 to 7 ft occasionally to
9 ft. 
.monday...south winds to 30 kt diminishing to 10 to 20 kt. waves
4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.monday night...south winds 10 to 20 kt becoming southwest. waves
3 to 5 ft subsiding to 2 to 4 ft. 
.tuesday...southwest winds 10 to 15 kt. waves 1 to 3 ft. 
.tuesday night...southwest winds 10 to 15 kt. waves 1 to 3 ft. 
.wednesday...southwest winds 10 to 15 kt. waves 1 to 3 ft. 
.wednesday night...southwest winds 10 to 15 kt. waves 2 to 4 ft. 
.thursday...west winds 10 to 20 kt becoming southwest 10 to
15 kt. waves 2 to 4 ft. 
.friday...south winds 10 to 20 kt. waves 2 to 4 ft.  

$$

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