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fzus61 kcle 190151
glfle 
663 

open lake forecast for lake erie
national weather service cleveland oh
951 pm edt fri aug 18 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 29.90 inches will build east across the
ohio valley overnight. low pressure 29.80 inches will cross ohio 
saturday. high pressure 30.10 inches will move across the lower 
lakes sunday into monday and off the east coast by tuesday. the 
next cold front will move southeast over lake erie tuesday evening
and then east of the lake on wednesday.

lez162>164-190815-
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-
951 pm edt fri aug 18 2017

.overnight...west winds 5 to 10 knots. a slight chance of
showers and thunderstorms late. waves 2 feet or less. 
.saturday...west winds 5 to 10 knots. a chance of showers and
thunderstorms. waves 2 feet or less. 
.saturday night...west winds 10 knots or less. waves 1 foot or
less. 
.sunday...west winds less than 10 knots becoming south. waves
1 foot or less. 
.sunday night...southeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.monday...south winds 5 to 10 knots. waves 1 foot or less. 
.tuesday...southwest winds 10 to 15 knots becoming west. a chance
of showers and thunderstorms during the day...then showers and
thunderstorms likely tuesday night. waves 1 to 3 feet. 
.wednesday...northwest winds 10 to 15 knots. waves 2 feet or
less. 

winds and waves higher in and near thunderstorms.

$$
fzus63 kdtx 190152
glfsc 
133 

lake st clair forecast
national weather service detroit/pontiac mi
951 pm edt fri aug 18 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, 29.50 inches will lift out of ontario 
tonight into central quebec on saturday. high pressure, 30.10 
inches will then build into the upper ohio river valley saturday 
night into sunday.

lcz460-190800-
lake st clair-
951 pm edt fri aug 18 2017

.rest of tonight...west winds 10 to 15 knots diminishing to 5 to 10
knots early in the morning. partly cloudy. waves 2 feet or less.
.saturday...west winds 5 to 10 knots. partly sunny. a chance of
showers and thunderstorms until late afternoon. waves 2 feet or
less.
.saturday night...northwest winds 5 to 10 knots early in the evening
becoming light and variable...then becoming west 5 to 10 knots early
in the morning. mostly clear. waves 2 feet or less.
.sunday...west winds 5 to 10 knots early in the morning becoming
light and variable...then becoming southwest 5 to 10 knots in the
afternoon. sunny. waves 2 feet or less.
.sunday night...south winds 5 to 10 knots. clear. waves 2 feet or
less.
.monday...southwest winds 5 to 10 knots. mostly sunny until late
afternoon becoming partly cloudy. waves 2 feet or less.
.tuesday...west winds 10 to 15 knots. mostly cloudy with showers and
thunderstorms likely. waves 2 feet or less.
.wednesday...northwest winds 10 to 15 knots. partly cloudy. a chance
of showers. waves 2 feet or less.

$$
fzus63 kdtx 190151
glflh 

lhz462>464-190800-
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-
951 pm edt fri aug 18 2017

.rest of tonight...west winds 10 to 15 knots. waves 4 to 6 feet.
waves occasionally around 8 feet. 
.saturday...west winds 10 to 15 knots decreasing to 5 to 10 knots
in the afternoon. waves 3 to 5 feet subsiding to 1 to 3 feet late
in the afternoon. 
.saturday night...light and variable winds becoming south 5 to
10 knots in the late evening and early morning...then veering to
the southwest after midnight. waves 2 feet or less. 
.sunday...southwest winds 5 to 10 knots. waves 2 feet or less. 
.sunday night...south winds 5 to 10 knots increasing to 10 to
15 knots in the late evening and overnight. waves 1 to 3 feet. 
.monday...southwest winds 10 to 15 knots becoming south 5 to
10 knots. a chance of showers and thunderstorms after midnight.
waves 1 to 3 feet. 
.tuesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots in the late evening and early morning. thunderstorms
early in the morning. rain showers...then a chance of showers in
the late evening and early morning. waves 1 to 3 feet building to
5 to 7 feet. waves occasionally around 10 feet. 
.wednesday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots until early morning. waves 4 to 6 feet. waves
occasionally around 8 feet. 


$$
fzus63 klot 190148
glflm 
543 

open lake forecast for lake michigan
national weather service chicago/romeoville il
848 pm cdt fri aug 18 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 moving into southern
quebec will lift east of james bay saturday and continue across 
northern quebec sunday. a ridge averaging 30.0 inches stretches 
along the mississippi valley will spread across much of the 
midwest saturday. low pressure of 29.8 inches will form over the 
central great plains this weekend and remain there through tuesday
while another low of 29.5 inches moves from northern manitoba 
saturday to quebec tuesday as a trailing cold front sweeps south 
across lake michigan.

lmz261-362-364-366-563-565-567-868-190930-
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-
848 pm cdt fri aug 18 2017

sheboygan wi to pentwater mi north...

.rest of tonight...northwest winds 15 to 25 kt becoming west 10 
to 15 kt. waves 3 to 5 ft subsiding to 2 to 4 ft.
.saturday...west winds 10 to 15 kt becoming southwest early in 
the afternoon increasing to 10 to 20 kt late. waves 1 to 3 ft. 
.saturday night...southwest winds 10 to 20 kt. waves 2 to 4 ft. 
.sunday...southwest winds 10 to 20 kt increasing to 15 to 25 kt.
waves 2 to 4 ft. 
.sunday night...southwest winds 15 to 25 kt diminishing to 10 to
20 kt. chance of showers and thunderstorms overnight. waves 2 to
4 ft. 
.monday...southwest winds 10 to 20 kt. chance of showers and
thunderstorms. waves 2 to 4 ft. 
.monday night...southwest winds 10 to 20 kt. chance of showers
and thunderstorms. waves 2 to 4 ft. 
.tuesday...west winds 10 to 20 kt becoming northwest 15 to 25 kt.
showers and thunderstorms likely. waves 2 to 4 ft building to
3 to 5 ft. 
.wednesday...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 3 to 5 ft.  

$$
fzus63 klot 190148
glflm 

lmz080-669-671-673-675-777-779-870-872-874-876-878-190930-
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-
848 pm cdt fri aug 18 2017

sheboygan wi to pentwater mi south...

.rest of tonight...west winds 10 to 15 kt becoming northwest. 
chance of showers and slight chance of thunderstorms overnight. 
waves 2 to 4 ft subsiding to 1 to 3 ft. 
.saturday...northwest winds 10 to 15 kt becoming variable 5 to 10
kt. waves 1 to 3 ft.
.saturday night...south winds 10 to 15 kt becoming southwest.
waves 1 to 2 ft. 
.sunday...southwest winds 10 to 15 kt becoming south 10 to 20 kt.
waves 1 to 3 ft. 
.sunday night...south winds 10 to 20 kt becoming southwest. waves
2 to 4 ft. 
.monday...south winds 10 to 20 kt. chance of showers and
thunderstorms. waves 2 to 4 ft. 
.monday night...south winds 10 to 20 kt becoming southwest 15 to
25 kt. chance of showers and thunderstorms. waves 2 to 4 ft. 
.tuesday...southwest winds 10 to 20 kt becoming west 15 to 25 kt.
showers and thunderstorms likely. waves 3 to 5 ft. 
.wednesday...northwest winds 15 to 25 kt diminishing to 10 to
20 kt. waves 3 to 5 ft.  

$$

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