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fzus63 klot 221946
glflm 
802 

open lake forecast for lake michigan
national weather service chicago/romeoville il
246 pm cdt wed mar 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...strong high pressure of 30.6 inches over the western 
great lakes region will move southeast to the mid atlantic coast 
by thursday afternoon. low pressure of 29.4 inches will then 
develop over the plains thursday night into friday. the low will 
weaken to around 29.7 inches as it moves slowly northeast toward 
and into northern illinois over the weekend. the low reaches the 
eastern great lakes monday morning before dissipating.

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-
246 pm cdt wed mar 22 2017

sheboygan wi to pentwater mi north...

.tonight...variable winds 5 to 10 kt becoming south 10 to 20 kt
overnight. waves 1 to 3 ft building to 2 to 4 ft. 
.thursday...south winds 15 to 25 kt increasing to 30 kt. slight
chance of rain showers in the afternoon. waves 3 to 5 ft
occasionally to 7 ft building to 5 to 8 ft occasionally to 10 ft.
.thursday night...south winds to 30 kt diminishing to 15 to
25 kt. rain showers with snow showers likely in the evening...
then rain showers overnight. waves 4 to 7 ft occasionally to 9 ft
subsiding to 4 to 6 ft occasionally to 8 ft. 
.friday...southwest winds 10 to 20 kt veering to north. rain
showers likely. waves 2 to 4 ft subsiding to 1 to 3 ft. 
.friday night...northeast winds 15 to 25 kt increasing to 30 kt.
rain showers likely with a chance of light freezing rain in the
evening...then rain showers overnight. waves 2 to 4 ft building
to 3 to 5 ft occasionally to 7 ft. 
.saturday...east winds to 30 kt. rain showers with a chance of
light freezing rain in the morning...then chance of rain showers
and light freezing rain in the afternoon. waves 4 to 7 ft
occasionally to 9 ft. 
.saturday night...east winds to 30 kt diminishing to 15 to 25 kt.
rain showers likely, chance of snow showers and light freezing
rain. waves 4 to 7 ft occasionally to 9 ft. 
.sunday...east winds 15 to 25 kt becoming northeast 10 to 20 kt.
chance of rain and snow showers. waves 3 to 5 ft occasionally to
7 ft. 
.monday...northeast winds 10 to 15 kt becoming north. waves 1 to
2 ft.  

$$
fzus63 klot 221946
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-
246 pm cdt wed mar 22 2017

sheboygan wi to pentwater mi south...

.tonight...east winds 10 to 15 kt becoming southeast 10 to 20
kt...and then becoming south late. waves 2 to 4 ft. 
.thursday...south winds 15 to 25 kt increasing to 30 kt. slight
chance of rain showers in the afternoon. waves 3 to 5 ft
occasionally to 7 ft building to 4 to 7 ft occasionally to 9 ft. 
.thursday night...south winds to 30 kt diminishing to 15 to
25 kt. chance of rain showers. waves 4 to 6 ft occasionally to
8 ft subsiding to 3 to 5 ft occasionally to 7 ft. 
.friday...south winds 15 to 25 kt. chance of rain showers. waves
3 to 5 ft occasionally to 7 ft. 
.friday night...south winds 10 to 20 kt becoming east. patchy
fog. rain showers likely in the evening...then rain showers
overnight. waves 2 to 4 ft. 
.saturday...east winds 15 to 25 kt increasing to 30 kt. patchy
fog. rain showers. waves 3 to 5 ft occasionally to 7 ft. 
.saturday night...east winds 15 to 25 kt. patchy fog. rain
showers likely. waves 3 to 5 ft occasionally to 7 ft. 
.sunday...east winds 15 to 25 kt becoming northeast 10 to 20 kt.
patchy fog. rain showers likely. waves 3 to 5 ft occasionally to
7 ft subsiding to 2 to 4 ft. 
.monday...north winds 10 to 15 kt. waves 1 to 2 ft.  

$$

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