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fzus61 kcle 190738
glfle 
281 

open lake forecast for lake erie
national weather service cleveland oh
338 am edt thu oct 19 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...a weak cold front drop southeast across lake erie 
this afternoon and evening. high pressure averaging 30.25 
inches will spread across the lake from the south friday and 
remain in control through sunday afternoon. a stronger cold front 
will move across the lake sunday night into monday.

lez162>166-191415-
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-
lake erie open waters from avon point to willowick oh-
338 am edt thu oct 19 2017

.today...southwest winds 15 to 20 knots becoming west. waves 3 to
6 feet. 
.tonight...west winds 15 to 20 knots becoming northwest 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.friday...west winds less than 10 knots becoming south. waves
1 foot or less. 
.friday night...southeast winds 5 to 10 knots becoming south.
waves 2 feet or less. 
.saturday...south winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday...south winds 10 to 15 knots becoming southwest. a chance
of showers sunday night. waves 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots. showers likely. waves
1 to 3 feet. 

$$
fzus63 kdtx 190755
glfsc 
868 

lake st clair forecast
national weather service detroit/pontiac mi
355 am edt thu oct 19 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...low pressure over james bay, 29.90 inches, will drag 
a cold front through lake huron and southeastern michigan this 
morning. the front will become stationary over northern ohio by 
this evening, as surface high pressure at 30.20 inches expands 
back into the ohio river valley. the next low pressure system will
gather itself over the northern high plains this weekend, 
deepening to 29.20 inches by saturday morning.

lcz460-192015-
lake st clair-
355 am edt thu oct 19 2017

.today...southwest winds 15 to 20 knots becoming west 5 to 10 knots.
mostly sunny. waves 2 feet or less.
.tonight...northwest winds 5 to 10 knots. clear. waves 2 feet or
less.
.friday...light and variable winds becoming south 5 to 10 knots in
the late morning and afternoon. sunny. waves 2 feet or less.
.friday night...south winds 5 to 10 knots. clear. waves 2 feet or
less.
.saturday...south winds 5 to 10 knots. mostly clear. waves 2 feet or
less.
.sunday...south winds 10 to 15 knots. partly cloudy. a chance of
light showers. waves 2 feet or less.
.monday...south winds 10 to 15 knots. mostly cloudy. a chance of
showers. waves 2 feet or less.

$$
fzus63 kdtx 190754
glflh 

lhz462>464-192015-
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-
354 am edt thu oct 19 2017

.today...southwest winds 15 to 20 knots becoming west 10 to
15 knots late in the afternoon. waves 4 to 6 feet. waves
occasionally around 8 feet. 
.tonight...west winds 10 to 15 knots decreasing to 5 to 10 knots
early in the morning. waves 3 to 5 feet. 
.friday...southwest winds 5 to 10 knots becoming south 10 to
15 knots early in the afternoon. waves 1 to 3 feet. 
.friday night...south winds 10 to 15 knots. waves 2 to 4 feet. 
.saturday...south winds 10 to 15 knots. waves 2 to 4 feet. 
.sunday...south winds 10 to 15 knots increasing to 15 to 20 knots
early in the evening...then decreasing to 10 to 15 knots in the
late evening and early morning. a chance of showers in the
evening. rain showers likely after midnight. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.monday...south winds 10 to 15 knots. showers likely early in the
morning...then a chance of showers. waves 1 to 3 feet building to
2 to 4 feet until early morning. 


$$
fzus63 klot 190748
glflm 
084 

open lake forecast for lake michigan
national weather service chicago/romeoville il
248 am cdt thu oct 19 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...expansive high pressure of 30.4 inches will remain 
over the eastern ohio valley and mid atlantic coast through 
friday. a strong low averaging 28.8 inches will take an eastward 
track across hudson bay today. the cold front trailing from this 
low will move across the lake early this morning. another strong 
low pressure area will move across the canadian prairies on friday
and saturday...and to hudson bay on sunday, with its trailing 
cold front crossing the lake by sunday.

lmz261-362-364-366-563-565-567-669-868-870-191530-
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 sheboygan to port washington wi 5 nm offshore
to mid lake-
lake michigan from pentwater to manistee mi 5 nm offshore to mid
lake-
lake michigan from whitehall to pentwater mi 5 nm offshore to mid
lake-
248 am cdt thu oct 19 2017

port washington wi to whitehall mi north...

.today...southwest winds to 30 kt becoming west 15 to 25 kt this
morning, then becoming southwest 10 to 20 kt this afternoon. 
waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 6 ft 
occasionally to 8 ft.
.tonight...southwest winds 10 to 20 kt. waves 3 to 5 ft. 
.friday...southwest winds 15 to 25 kt becoming south to 30 kt.
waves 4 to 7 ft occasionally to 9 ft. 
.friday night...south winds to 30 kt. waves 4 to 7 ft
occasionally to 9 ft. 
.saturday...south winds to 30 kt. waves 7 to 10 ft occasionally
to 13 ft. 
.saturday night...south winds to 30 kt. chance of showers. waves
7 to 10 ft occasionally to 13 ft. 
.sunday...south winds to 30 kt becoming southwest. showers
likely. waves 5 to 8 ft occasionally to 10 ft. 
.monday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
chance of showers. waves 2 to 4 ft.  

$$
fzus63 klot 190748
glflm 

lmz080-671-673-675-777-779-872-874-876-878-191530-
lake michigan from michigan city in to st. joseph mi 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 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-
248 am cdt thu oct 19 2017

port washington wi to whitehall mi south...

.today...southwest winds 15 to 25 kt becoming northwest 10 to 20 
kt this morning, then backing to southwest this afternoon. waves 
4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft. 
.tonight...south winds 10 to 20 kt. waves 2 to 4 ft. 
.friday...south winds 10 to 20 kt. waves 2 to 4 ft. 
.friday night...south winds 15 to 25 kt. waves 4 to 6 ft
occasionally to 8 ft. 
.saturday...south winds to 30 kt. waves 4 to 7 ft occasionally to
9 ft. 
.saturday night...south winds to 30 kt. chance of showers. waves
5 to 8 ft occasionally to 10 ft. 
.sunday...south winds to 30 kt becoming southwest. showers
likely. waves 5 to 8 ft occasionally to 10 ft. 
.monday...southwest winds 10 to 20 kt. chance of showers. waves
1 to 3 ft.  

$$

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