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fzus63 klot 290152
glflm 
877 

open lake forecast for lake michigan
national weather service chicago/romeoville il
852 pm cdt wed jun 28 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 29.5 inches over western wisconsin 
this evening will fill slightly to 29.6 inches as it moves to the
upper great lakes by thursday morning. the low will drag a cold 
front across the lake and extend west across the lower great lakes
into the central plains...while remaining nearly stationary. 
another low of 29.5 inches will develop thursday night along the 
western end of the front. this low will slowly track east through 
the lower missouri valley to the ohio valley by saturday. low 
pressure of 29.8 inches is also expected to develop over south- 
central canada tonight. this low should slowly deepen as it moves 
into eastern ontario saturday with the trailing cold front pushing
across the lake saturday night or sunday morning. high pressure 
of 30.1 inches is expected to build across the central plains 
sunday night and monday.

lmz261-362-364-366-563-565-567-868-290930-
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-
852 pm cdt wed jun 28 2017

sheboygan wi to pentwater mi north...

.rest of tonight...south winds to 30 kt becoming southwest.
showers and thunderstorms likely this evening...then chance of
showers and thunderstorms overnight. waves 8 to 11 ft 
occasionally to 14 ft subsiding to 6 to 9 ft occasionally to 12 
ft. 
.thursday...southwest winds to 30 kt diminishing to 10 to 20 kt.
chance of showers and thunderstorms in the morning. waves 5 to
7 ft occasionally to 9 ft subsiding to 3 to 5 ft. 
.thursday night...west winds 10 to 20 kt diminishing to 10 to
15 kt. waves 1 to 3 ft subsiding to 1 to 2 ft. 
.friday...west winds 10 to 15 kt becoming southwest. chance of
showers in the morning...then chance of showers and thunderstorms
in the afternoon. waves 1 to 2 ft. 
.friday night...west winds 5 to 10 kt becoming northwest 10 to
15 kt. chance of showers overnight. waves 1 to 2 ft. 
.saturday...west winds 10 to 15 kt becoming southwest. chance of
showers in the morning. waves 1 to 2 ft. 
.saturday night...southwest winds 10 to 20 kt becoming west.
waves 1 to 2 ft. 
.sunday...west winds 10 to 15 kt becoming southwest. waves 1 to
2 ft. 
.monday...southeast winds 10 to 15 kt backing to northeast. waves
1 to 2 ft.  

$$
fzus63 klot 290152
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-290930-
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-
852 pm cdt wed jun 28 2017

sheboygan wi to pentwater mi south...

.rest of tonight...south winds to 30 kt becoming southwest.
showers and thunderstorms likely. waves 6 to 9 ft occasionally to
12 ft. 
.thursday...southwest winds to 30 kt diminishing to 10 to 20 kt.
slight chance of showers and thunderstorms in the morning...then
chance of showers and thunderstorms in the afternoon. waves 4 to
7 ft occasionally to 9 ft subsiding to 3 to 5 ft. 
.thursday night...west winds 10 to 20 kt becoming southwest 10 to
15 kt. showers and thunderstorms likely in the evening... then
chance of showers and thunderstorms overnight. waves 1 to 3 ft. 
.friday...south winds 10 to 15 kt veering to northwest. showers
likely with a chance of thunderstorms in the morning... then
chance of showers and thunderstorms in the afternoon. waves 1 to
3 ft. 
.friday night...northwest winds 10 to 15 kt becoming west. waves
1 to 2 ft. 
.saturday...west winds 10 to 15 kt becoming southwest. waves 1 to
2 ft. 
.saturday night...west winds 10 to 20 kt. waves 1 to 2 ft. 
.sunday...west winds 10 to 15 kt becoming southwest. waves 1 to
2 ft. 
.monday...southwest winds 10 to 15 kt becoming south. chance of
showers and thunderstorms. waves 1 to 2 ft.  

$$

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