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fzus61 kcle 271343
glfle 
147 

open lake forecast for lake erie
national weather service cleveland oh
943 am edt tue jun 27 2017

for waters beyond five nautical miles of shore on lake erie

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...high pressure 30.20 inches from the plains states 
will move to the ohio valley late today and reach the east coast 
wednesday. a warm front will develop over the mississippi valley 
and move northeast across the great lakes wednesday night into 
thursday. low pressure 29.80 inches from the northern plains will 
reach the central great lakes friday and bring a cold front near 
the lake. the next low 29.70 inches will move northeast across the
western lakes and take the cold front across lake erie late 
saturday.

lez162>165-272015-
lake erie open waters from maumee bay to reno beach oh-
lake erie open waters from reno beach to the islands oh-
lake erie open waters from the islands to vermilion oh-
lake erie open waters from vermilion to avon point oh-
943 am edt tue jun 27 2017

.today...northwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of waterspouts this morning. a slight chance
of showers and thunderstorms early. a slight chance of showers
and thunderstorms late. waves 2 to 4 feet. 
.tonight...west winds 5 to 15 knots becoming southwest. waves
1 to 3 feet. 
.wednesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet. 
.wednesday night...southwest winds 10 to 15 knots becoming south
15 to 20 knots. a chance of showers and thunderstorms overnight.
waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...southwest winds 15 to 25 knots diminishing to 10 to
15 knots. showers and thunderstorms likely. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.friday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers and thunderstorms likely during the day...then
a chance of showers and thunderstorms friday night. waves 1 to
3 feet. 
.saturday...southwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of showers and thunderstorms during the day.
waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus63 kdtx 271403
glfsc 
141 

lake st clair forecast
national weather service detroit/pontiac mi
1003 am edt tue jun 27 2017

waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.synopsis...high pressure, averaging 30.10 inches, centered over 
the ohio valley will expand across the region through tonight. this 
high will drift east on wednesday, as the next low pressure lifts 
out of the northern plains. this low, averaging 29.60 inches,  
will then track through the northern great lakes thursday.

lcz460-272015-
lake st clair-
1003 am edt tue jun 27 2017

.rest of today...northwest winds 10 to 15 knots becoming west 5 to
10 knots late in the afternoon. sunny late in the morning becoming
partly sunny. waves nearly calm.
.tonight...west winds 5 to 10 knots. partly cloudy until early
morning then clearing. waves nearly calm.
.wednesday...southwest winds 5 to 10 knots becoming south 10 to 15
knots in the afternoon. mostly sunny. waves nearly calm.
.wednesday night...south winds 10 to 15 knots increasing to 15 to 20
knots after midnight. mostly cloudy with a chance of showers and
thunderstorms. waves nearly calm.
.thursday...southwest winds 15 to 20 knots diminishing to 10 to 15
knots in the evening. mostly cloudy with a chance of showers and
thunderstorms. waves nearly calm.
.friday...southwest winds 10 to 15 knots. mostly cloudy with showers
and thunderstorms likely. waves nearly calm.
.saturday...west winds 10 to 15 knots. partly cloudy. showers and
thunderstorms likely. waves nearly calm.

$$
fzus63 kdtx 271402
glflh 

lhz462>464-272015-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
1002 am edt tue jun 27 2017

.rest of today...west winds 10 to 15 knots decreasing to 5 to
10 knots in the afternoon. a chance of showers in the afternoon.
waves nearly calm. 
.tonight...light and variable winds becoming south 5 to 10 knots
in the late evening and early morning...then becoming southwest
10 to 15 knots early in the morning. a chance of showers in the
evening. waves nearly calm. 
.wednesday...southwest winds 10 to 15 knots decreasing to 5 to
10 knots in the late morning and early afternoon...then becoming
south 10 to 15 knots early in the afternoon. waves nearly calm. 
.wednesday night...south winds 10 to 15 knots increasing to 15 to
20 knots in the late evening and overnight. a chance of showers
and thunderstorms in the evening. rain showers and thunderstorms
likely after midnight. waves nearly calm. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots late in the afternoon...then becoming west 5 to 10 knots
late in the evening. showers and thunderstorms likely early in
the morning...then a chance of showers and thunderstorms early in
the morning. waves nearly calm. 
.friday...southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the evening...then becoming west 5 to 10 knots
in the late evening and early morning. a chance of showers and
thunderstorms in the morning. rain showers and thunderstorms
likely. locally heavy rainfall possible in the afternoon. waves
nearly calm. 
.saturday...southwest winds 5 to 10 knots. waves nearly calm. 


$$
fzus63 klot 271343
glflm 
783 

open lake forecast for lake michigan
national weather service chicago/romeoville il
843 am cdt tue jun 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...high pressure of 30.3 inches extends from the 
northern and central plains to the lower ohio valley this morning.
the surface ridge axis will shift over the lake today and then 
continue east as the center of the high moves across the ohio 
valley. low pressure of 29.4 inches will develop across the 
northern plains this evening and then track over the northern end
of the lake wednesday night into thursday morning. a cold front
trailing from the low will slowly progress down the lake thursday
into thursday night while the low weakens north of the great 
lakes. another low around 29.6 inches will likely move over the 
southern or central portion of the lake on friday, with its
trailing cold front possibly southeast of the lake by saturday
morning.

lmz261-362-364-366-563-565-567-868-272115-
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-
843 am cdt tue jun 27 2017

sheboygan wi to pentwater mi north...

.rest of today...west winds 10 to 15 kt backing to south 10 to 20
kt. waves 1 to 3 ft. 
.tonight...south winds 10 to 20 kt becoming southwest. waves 2 to
4 ft. 
.wednesday...south winds 15 to 25 kt increasing to 30 kt.
occasional gale force gusts to 35 kt possible in the afternoon. 
chance of showers and thunderstorms in the morning...then showers 
and thunderstorms likely in the afternoon. waves 2 to 4 ft 
building to 6 to 9 ft occasionally to 12 ft. 
.wednesday night...south winds to 30 kt becoming southwest.
occasional gale force gusts possible, mainly in the evening. 
showers and thunderstorms in the evening...then chance of showers 
and thunderstorms overnight. waves 7 to 10 ft occasionally to 13 
ft. 
.thursday...southwest winds 15 to 25 kt becoming west 10 to
20 kt. chance of showers and thunderstorms in the morning. waves
4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. 
.thursday night...northwest winds 10 to 15 kt becoming northeast.
waves 1 to 3 ft. 
.friday...northeast winds 10 to 20 kt. chance of showers and
thunderstorms. waves 1 to 2 ft. 
.saturday...southwest winds 10 to 15 kt increasing to 10 to
20 kt. chance of showers and thunderstorms. waves 1 to 2 ft. 

$$
fzus63 klot 271343
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-272115-
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-
843 am cdt tue jun 27 2017

sheboygan wi to pentwater mi south...

.rest of today...west winds 10 to 20 kt backing to south. waves
2 to 4 ft. 
.tonight...south winds 10 to 20 kt. waves 2 to 4 ft. 
.wednesday...south winds 15 to 25 kt increasing to 30 kt. chance
of showers and thunderstorms in the afternoon. waves 3 to 5 ft
building to 5 to 8 ft occasionally to 10 ft. 
.wednesday night...south winds to 30 kt becoming southwest.
showers and thunderstorms in the evening...then showers and
thunderstorms likely overnight. waves 6 to 9 ft occasionally to
12 ft. 
.thursday...southwest winds 15 to 25 kt diminishing to 10 to
20 kt. chance of showers and thunderstorms. waves 4 to 6 ft
occasionally to 8 ft subsiding to 2 to 4 ft. 
.thursday night...west winds 10 to 15 kt backing to south 10 to
20 kt. chance of showers and thunderstorms. waves 1 to 3 ft. 
.friday...southeast winds 15 to 25 kt veering to west. showers
and thunderstorms likely. waves 2 to 4 ft. 
.saturday...west winds 10 to 15 kt becoming southwest 10 to
20 kt. waves 1 to 2 ft.  

$$

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