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fzus63 klot 210805
glflm 
279 

open lake forecast for lake michigan
national weather service chicago/romeoville il
305 am cdt mon apr 21 2014

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 height of the highest 1/3 of the waves...along
with the average height of the highest 10 percent of the waves
which will occasionally be encountered.

.synopsis...a ridge of high pressure averaging 30.1 inches over
the eastern great lakes will continue to shift to the east this
morning...while a trough of low pressure averaging 29.9 inches
over the central and northern plains shifts east to the central
great lakes today strengthening to 29.7 inches. this low will
shift east to the eastern great lakes while dragging a cold front
across the lake tonight...as high pressure of 30.1 inches builds
across the central and northern plains. this high will shift east
to the western great lakes tuesday and then continue east across
the central great lakes tuesday night into wednesday. as this high
shifts to the east wednesday night into thursday...a trough of low
pressure averaging 29.6 inches over the central and northern
plains will move east towards the western great lakes and then
move east across the central great lakes thursday night into
friday.

lmz261-362-364-366-563-565-567-868-211545-
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-
305 am cdt mon apr 21 2014

sheboygan wi to pentwater mi north

.today...south winds 10 to 20 kt becoming southwest early this
afternoon...then becoming west late. showers likely with a chance
of thunderstorms. waves 1 to 3 ft.
.tonight...northwest winds 10 to 20 kt increasing to 30 kt.
chance of showers through early evening. slight chance of showers
overnight. waves building to 4 to 6 ft occasionally to 8 ft.
.tuesday...northwest winds to 30 kt becoming north 15 to 25 kt.
chance of showers. waves 4 to 7 ft occasionally to 9 ft.
.tuesday night...north winds 10 to 20 kt diminishing to 10 to 15
kt. waves subsiding to 2 to 4 ft.
.wednesday...variable winds less than 10 kt. waves 1 to 3 ft.
.wednesday night...southeast winds 10 to 15 kt increasing to 10 to
20 kt. chance of showers. waves 1 to 2 ft.
.thursday...southeast winds to 30 kt. showers likely with
isolated thunderstorms. waves building to 4 to 7 ft occasionally
to 9 ft.
.friday...southwest winds 15 to 25 kt becoming west. chance of
showers. waves 3 to 5 ft occasionally to 7 ft.  

wave forecast is for ice free areas

$$
fzus63 klot 210805
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-211545-
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-
305 am cdt mon apr 21 2014

sheboygan wi to pentwater mi south

.today...south winds 10 to 20 kt becoming southwest this afternoon.
chance of showers and slight chance of thunderstorms this
morning...then showers likely with slight chance of thunderstorms
early this afternoon. showers likely with a chance of
thunderstorms late. waves 1 to 3 ft.
.tonight...west winds 10 to 20 kt becoming northwest to 30 kt.
chance of showers in the evening. waves building to 4 to 6 ft
occasionally to 8 ft.
.tuesday...northwest winds 15 to 25 kt becoming north 10 to 20 kt.
waves 4 to 6 ft occasionally to 8 ft.
.tuesday night...north winds 10 to 15 kt. waves subsiding to 2 to
4 ft.
.wednesday...variable winds less than 10 kt. waves 1 to 3 ft.
.wednesday night...southeast winds 10 to 15 kt increasing to 10 to
20 kt. chance of showers. waves 1 to 3 ft.
.thursday...southeast winds to 30 kt. chance of showers and
thunderstorms. waves building to 4 to 7 ft occasionally to 9 ft.
.friday...west winds 15 to 25 kt. chance of showers. waves 3 to 5
ft occasionally to 7 ft.

wave forecast is for ice free areas

$$

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