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fzus63 klot 240740
glflm 
984 

open lake forecast for lake michigan
national weather service chicago/romeoville il
240 am cdt tue apr 24 2018

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 of 29.9 inches is over south carolina early 
this morning with weak troughing stretching into the midwest. a cold 
front will move south across lake michigan tonight. a 30.5 inch high 
is over the northern great plains and canadian prairies and will 
build into the upper midwest tonight into wednesday. the ridge 
will move across lake michigan wednesday night. a 29.4 inch low 
will move across hudson bay wednesday night and a trailing cold 
front will push across lake michigan thursday night. high pressure
of 30.2 inches will build across the great plains and upper 
midwest friday and shift across the ohio valley and great lakes 
over the weekend.

lmz261-362-364-366-563-565-567-868-241515-
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-
240 am cdt tue apr 24 2018

sheboygan wi to pentwater mi north...

.today...northeast winds around 10 kt becoming north 10 to 20 kt 
this afternoon. isolated rain showers this afternoon. waves 1 to 3
ft building to 2 to 4 ft. 
.tonight...north winds 15 to 25 kt increasing to 30 kt. isolated 
rain showers in the evening. waves 3 to 5 ft building to 5 to 8 
ft occasionally to 10 ft. 
.wednesday...north winds to 30 kt diminishing to 10 to 20 kt.
waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to 6 ft
occasionally to 8 ft. 
.wednesday night...north winds 10 to 15 kt backing to southwest.
waves 2 to 4 ft subsiding to 1 to 2 ft. 
.thursday...southwest winds 10 to 20 kt. waves 1 to 3 ft building
to 2 to 4 ft. 
.thursday night...west winds 15 to 25 kt becoming north. chance
of rain showers, light freezing rain and snow showers. waves 3 to
5 ft. 
.friday...north winds 15 to 25 kt becoming northwest 10 to 20 kt.
waves 3 to 5 ft. 
.saturday...north winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft.  

$$
fzus63 klot 240740
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-241515-
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-
240 am cdt tue apr 24 2018

sheboygan wi to pentwater mi south...

.today...variable winds around 10 kt becoming north 10 to 15 kt 
this afternoon. scattered rain showers this morning, then 
isolated rain showers this afternoon. waves 1 to 3 ft. 
.tonight...north winds 15 to 25 kt increasing to 30 kt. isolated 
rain showers in the evening. waves 3 to 5 ft building to 7 to 10 
ft occasionally to 13 ft. 
.wednesday...north winds to 30 kt diminishing to 15 to 25 kt.
waves 6 to 9 ft occasionally to 12 ft. 
.wednesday night...north winds 10 to 20 kt becoming west 5 to
10 kt overnight. waves 4 to 7 ft occasionally to 9 ft subsiding
to 2 to 4 ft. 
.thursday...southwest winds 10 to 15 kt becoming south 10 to
20 kt. waves 1 to 3 ft. 
.thursday night...south winds 10 to 20 kt veering to northwest
15 to 25 kt. chance of rain showers. waves 1 to 3 ft building to
3 to 5 ft. 
.friday...north winds to 30 kt diminishing to 10 to 20 kt in the
afternoon. waves 4 to 6 ft occasionally to 8 ft. 
.saturday...northwest winds 10 to 20 kt becoming north. waves
2 to 4 ft.  

$$

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