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fzus63 klot 221952
glflm 
891 

open lake forecast for lake michigan
national weather service chicago/romeoville il
252 pm cdt tue aug 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 29.4 inches over west central quebec 
will gradually shift northeastward while deepen to 29.2 inches 
tonight. the low will then fill back to 29.4 inches while 
gradually shifting eastward across the providence through early 
thursday morning. farther west, high pressure of 30.1 inches will 
continue to spread southeast over the plains tonight. the high 
will eventually drift east to the western lakes by early thursday,
then will remain in place and strengthen to 30.2 inches while 
drifting very slowly east into saturday.

lmz261-362-364-366-563-565-567-868-230330-
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-
252 pm cdt tue aug 22 2017

sheboygan wi to pentwater mi north...

.tonight...northwest winds 15 to 25 kt. waves 4 to 6 ft 
occasionally to 8 ft. 
.wednesday...northwest winds 10 to 20 kt becoming north. waves
4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.wednesday night...north winds 15 to 25 kt diminishing to 10 to
20 kt. waves 2 to 4 ft. 
.thursday...north winds 10 to 20 kt. waves 2 to 4 ft. 
.thursday night...north winds 10 to 20 kt becoming northeast
10 to 15 kt. waves 1 to 3 ft. 
.friday...north winds 5 to 10 kt increasing to 10 to 15 kt. waves
2 ft or less. 
.friday night...northeast winds 5 to 10 kt becoming east. waves
2 ft or less. 
.saturday...east winds 5 to 10 kt. waves 1 ft or less. 
.sunday...south winds 10 to 15 kt becoming southeast. waves 1 to
2 ft.  

$$
fzus63 klot 221952
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-230330-
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-
252 pm cdt tue aug 22 2017

sheboygan wi to pentwater mi south...

.tonight...northwest winds 15 to 25 kt. waves 5 to 8 ft 
occasionally to 10 ft. 
.wednesday...northwest winds 10 to 20 kt becoming north. waves
4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft. 
.wednesday night...north winds 10 to 20 kt becoming northeast.
waves 3 to 5 ft subsiding to 1 to 3 ft. 
.thursday...north winds 10 to 20 kt. waves 2 to 4 ft. 
.thursday night...northeast winds 10 to 20 kt diminishing to
10 to 15 kt. waves 2 to 4 ft. 
.friday...northeast winds 10 to 15 kt. waves 1 to 2 ft. 
.friday night...northeast winds 5 to 10 kt becoming east. waves
2 ft or less. 
.saturday...east winds 5 to 10 kt. waves 1 ft or less. 
.sunday...southeast winds 10 to 20 kt becoming east 10 to 15 kt.
waves 1 to 2 ft.  

$$

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