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fzus63 klot 230132
glflm 
167 

open lake forecast for lake michigan
national weather service chicago/romeoville il
832 pm cdt sat jul 22 2017

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 29.7 inches over lake erie will shift
east over the atlantic by sunday morning. a second low of 29.7 
inches over minnesota will pass over the northern end of the lake 
and then reach the eastern great lakes sunday night. this low will
reach the northern and central atlantic coast monday night. high 
pressure of 30.1 inches will then spread over the northern and 
western great lakes monday night and tuesday.

lmz261-362-364-366-563-565-567-868-230930-
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-
832 pm cdt sat jul 22 2017

sheboygan wi to pentwater mi north...

.rest of tonight...east winds 10 to 15 kt veering to southwest. 
chance of showers and thunderstorms. waves 1 to 2 ft. 
.sunday...west winds 10 to 20 kt veering to northeast. slight 
chance of showers and thunderstorms. waves 2 to 4 ft. 
.sunday night...northeast winds 15 to 25 kt. waves 3 to 5 ft. 
.monday...northeast winds 15 to 25 kt becoming north 10 to 20 kt.
waves 2 to 4 ft. 
.monday night...northeast winds 10 to 20 kt veering to southeast
10 to 15 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.tuesday...south winds 10 to 20 kt becoming southwest. waves 1 to
2 ft building to 1 to 3 ft. 
.tuesday night...south winds 10 to 20 kt increasing to 15 to
25 kt. chance of showers and thunderstorms. waves 2 to 4 ft.
.wednesday...southwest winds 15 to 25 kt. chance of showers and
thunderstorms. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.thursday...north winds 10 to 20 kt. waves 1 to 2 ft.  

$$
fzus63 klot 230132
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-230930-
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-
832 pm cdt sat jul 22 2017

sheboygan wi to pentwater mi south...

.rest of tonight...variable winds 5 to 10 kt becoming west 10 to
15 kt. slight chance of showers and thunderstorms. waves 1 to 2
ft. 
.sunday...west winds 10 to 15 kt. slight chance of showers and
thunderstorms in the afternoon. waves 1 to 2 ft. 
.sunday night...northwest winds 10 to 20 kt becoming north 15 to
25 kt. waves 1 to 2 ft building to 3 to 5 ft. 
.monday...north winds 15 to 25 kt diminishing to 10 to 20 kt.
waves 2 to 4 ft. 
.monday night...northeast winds 10 to 20 kt becoming east 10 to
15 kt. waves 2 to 4 ft. 
.tuesday...southeast winds 10 to 15 kt. waves 1 to 2 ft. 
.tuesday night...south winds 10 to 20 kt. waves 1 to 3 ft. 
.wednesday...south winds 10 to 20 kt becoming southwest. chance
of showers and thunderstorms. waves 1 to 3 ft. 
.thursday...northeast winds 10 to 20 kt becoming north 15 to
25 kt. chance of showers and thunderstorms. waves 1 to 2 ft. 

$$

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