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fzus63 klot 240223
glflm 
613 

open lake forecast for lake michigan
national weather service chicago/romeoville il
823 pm cst thu nov 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...low pressure of 29.2 inches developing over southern
manitoba this evening will deepen to 29.1 inches as it passes
north of the lakes friday. a cold front trailing the low will 
move across lake michigan friday night, as high pressure of 30.1 
inches builds across the plains. this high will move across the 
western great lakes over the weekend, before a 29.8 inch low 
passes over, or very close to the northern great lakes sunday.

lmz261-362-364-366-563-565-567-868-241030-
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-
823 pm cst thu nov 23 2017

sheboygan wi to pentwater mi north...

...gale warning in effect from 3 am cst friday through friday
evening...

.rest of tonight...southwest winds around 15 kt increasing to 
gales to 40 kt. waves 2 to 4 ft building to 7 to 10 ft 
occasionally to 13 ft. 
.friday...southwest gales to 40 kt. slight chance of rain showers
in the morning...then chance of rain showers in the afternoon.
waves 10 to 14 ft occasionally to 18 ft. 
.friday night...southwest gales to 35 kt becoming northwest to
30 kt. chance of rain showers in the evening. waves 8 to 11 ft
occasionally to 14 ft subsiding to 6 to 9 ft occasionally to
12 ft. 
.saturday...northwest winds to 30 kt. chance of rain and snow in
the morning. waves 5 to 8 ft occasionally to 10 ft. 
.saturday night...northwest winds 15 to 25 kt becoming west 10 to
20 kt. waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft. 
.sunday...west winds to 30 kt. waves 4 to 6 ft occasionally to
8 ft. 
.sunday night...northwest winds 15 to 25 kt becoming north 10 to
20 kt. waves 3 to 5 ft subsiding to 1 to 3 ft. 
.monday...east winds 10 to 20 kt becoming south to 30 kt in the
afternoon. waves 1 to 3 ft building to 4 to 6 ft occasionally to
8 ft. 
.tuesday...southwest winds to 30 kt becoming west. waves 7 to
10 ft occasionally to 13 ft.  

$$
fzus63 klot 240223
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-241030-
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-
823 pm cst thu nov 23 2017

sheboygan wi to pentwater mi south...

...gale warning in effect from 6 am cst friday through friday
evening...

.rest of tonight...southwest winds 10 to 15 kt increasing to
30 kt. waves 2 to 4 ft building to 4 to 7 ft occasionally to
9 ft. 
.friday...southwest gales to 35 kt increasing to gales to 40 kt.
slight chance of rain showers in the afternoon. waves 6 to 9 ft
occasionally to 12 ft building to 8 to 12 ft occasionally to
16 ft. 
.friday night...southwest gales to 35 kt becoming northwest to
30 kt. waves 8 to 11 ft occasionally to 14 ft subsiding to 6 to
9 ft occasionally to 12 ft. 
.saturday...northwest winds to 30 kt. waves 6 to 9 ft
occasionally to 12 ft. 
.saturday night...northwest winds 15 to 25 kt diminishing to
10 to 20 kt. waves 4 to 7 ft occasionally to 9 ft subsiding to
3 to 5 ft. 
.sunday...west winds 15 to 25 kt increasing to 30 kt. waves 2 to
4 ft building to 3 to 5 ft. 
.sunday night...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 3 to 5 ft. 
.monday...south winds 10 to 20 kt increasing to 30 kt in the
afternoon. waves 1 to 3 ft building to 4 to 6 ft occasionally to
8 ft. 
.tuesday...southwest winds to 30 kt. waves 6 to 9 ft occasionally
to 12 ft.  

$$

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