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fzus63 klot 270547
glflm 
609 

open lake forecast for lake michigan
national weather service chicago/romeoville il
1247 am cdt mon mar 27 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 29.8 inches over southern lake 
michigan will continue onward to lake huron by daybreak monday. a
second low pressure of 29.6 inches over the southern plains will 
track east to the middle mississippi valley monday afternoon and 
up the ohio valley monday night into tuesday...slowly weakening as
it does so. high pressure averaging 30.3 inches centered over 
ontario will then build into the great lakes region tuesday and 
wednesday.

lmz261-362-364-366-563-565-567-868-270930-
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-
1247 am cdt mon mar 27 2017

sheboygan wi to pentwater mi north...

...dense fog advisory in effect until 9 am cdt this morning...

.rest of tonight...north winds 10 to 15 kt becoming northwest 10
to 20 kt. areas of dense fog. scattered rain showers. waves 2 to 
4 ft. 
.monday...northwest winds 10 to 15 kt becoming north in the
afternoon. patchy fog in the morning. slight chance of rain. 
waves 1 to 3 ft.
.monday night...north winds 10 to 20 kt increasing to 15 to
25 kt after midnight. waves building to 3 to 5 ft occasionally to
7 ft.
.tuesday...north winds 15 to 25 kt. waves 3 to 5 ft occasionally
to 7 ft. 
.tuesday night...north winds 15 to 25 kt becoming northeast 10 to
20 kt. waves subsiding to 2 to 4 ft. 
.wednesday...northeast winds 10 to 20 kt. waves 2 to 4 ft. 
.wednesday night...east winds 10 to 20 kt. waves 2 to 4 ft. 
.thursday...east winds 10 to 20 kt increasing to 15 to 25 kt.
chance of rain. waves 3 to 5 ft occasionally to 7 ft. 
.friday...northeast winds to 30 kt. chance of rain. waves 5 to
8 ft occasionally to 10 ft.  

$$
fzus63 klot 270547
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-270930-
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-
1247 am cdt mon mar 27 2017

sheboygan wi to pentwater mi south...

...dense fog advisory in effect until 9 am cdt this morning...

.rest of tonight...west winds 10 to 15 kt becoming northwest. 
areas of dense fog. occasional rain showers this evening...then 
isolated rain showers overnight. waves 2 to 4 ft subsiding to 1 
to 3 ft.
.monday...north winds around 10 kt increasing to 10 to 20 kt late
in the afternoon. patchy fog in the morning. chance of rain in 
the afternoon. waves 1 to 3 ft building to 2 to 4 ft. 
.monday night...north winds 10 to 20 kt quickly increasing to 15 
to 25 kt. chance of rain in the evening. waves building to 4 to 7
ft occasionally to 9 ft. 
.tuesday...north winds 15 to 25 kt. waves 4 to 7 ft occasionally
to 9 ft. 
.tuesday night...north winds 15 to 25 kt becoming northeast. 
waves 4 to 6 ft occasionally to 8 ft. 
.wednesday...northeast winds 10 to 20 kt. waves 3 to 5 ft
occasionally to 7 ft.
.wednesday night...northeast winds 15 to 25 kt becoming east.
waves building to 4 to 6 ft occasionally to 8 ft. 
.thursday...east winds to 30 kt. rain likely. waves 4 to 7 ft
occasionally to 9 ft. 
.friday...northeast winds 15 to 25 kt becoming north to 30 kt.
rain likely. waves building to 5 to 8 ft occasionally to 10 ft. 

$$

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