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fzus63 klot 231943
glflm 
406 

open lake forecast for lake michigan
national weather service chicago/romeoville il
243 pm cdt sat sep 23 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...high pressure of 30.1 inches centered over lake erie
will move little through the weekend and gradually weaken early 
next week. low pressure of 29.7 inches will move east across 
ontario this evening, followed by another low of similar strength
on sunday afternoon and night. low pressure around 29.6 inches is
expected to develop across the great lakes region on tuesday 
night and move northeast and deepen through midweek, with an 
associated cold front passing across the lake early wednesday.

lmz261-362-364-366-563-565-567-868-240200-
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-
243 pm cdt sat sep 23 2017

sheboygan wi to pentwater mi north...

.tonight...south winds 10 to 20 kt diminishing to 10 to 15 kt.
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.sunday...south winds 10 to 15 kt. waves 1 to 3 ft. 
.sunday night...south winds 10 to 15 kt. waves 1 to 3 ft.
.monday and monday night...south winds 10 to 20 kt. waves 1 to 
3 ft. 
.tuesday...south winds 10 to 15 kt becoming southwest. waves 1 
to 3 ft. 
.tuesday night...west winds 10 to 20 kt becoming northwest 15 
to 25 kt. chance of showers. waves 2 to 4 ft.
.wednesday...northwest winds 10 to 20 kt. waves 2 to 4 ft. 
.thursday...northwest winds 10 to 20 kt becoming west. waves 2 
to 4 ft.

$$
fzus63 klot 231943
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-240200-
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-
243 pm cdt sat sep 23 2017

sheboygan wi to pentwater mi south...

.tonight...southeast winds 10 to 15 kt. waves 1 to 2 ft. 
.sunday...southeast winds 10 to 15 kt. waves 1 to 2 ft.
.sunday night...southeast winds 10 to 15 kt becoming south. 
waves 1 to 2 ft. 
.monday and monday night...south winds 10 to 15 kt. waves 1 to 
2 ft.
.tuesday...south winds 10 to 15 kt becoming southwest. waves 1 
to 2 ft. 
.tuesday night...west winds 10 to 15 kt becoming northwest 15 
to 25 kt. waves building to 3 to 5 ft. 
.wednesday...northwest winds 15 to 25 kt. waves 3 to 5 ft.
.thursday...northwest winds 10 to 20 kt. waves 2 to 4 ft.

$$

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