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fzus61 kbuf 192033
glflo 
418 

open lake forecast for lake ontario
national weather service buffalo ny
433 pm edt sat aug 19 2017

for waters beyond five nautical miles of shore on lake ontario

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 29.6 inch low will move slowly northeast across 
quebec, eventually exiting across northern quebec tonight. a 30.1
inch high will then build into the ohio valley and eastern great 
lakes sunday and monday. a cold front is then forecast to cross 
the eastern great lakes tuesday night.

loz062-200315-
lake ontario open waters from the niagara river to hamlin beach-
433 pm edt sat aug 19 2017

.tonight...west winds 15 to 20 knots diminishing to 10 to 15 
knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.sunday...west winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.sunday night...southwest winds 5 to 15 knots. waves 2 feet or
less. 
.monday...southwest winds 5 to 10 knots. waves 2 feet or less. 
.monday night...southwest winds 5 to 10 knots. a chance of
showers and thunderstorms overnight. waves 1 foot or less. 
.tuesday...southwest winds 15 to 25 knots becoming northwest.
showers and thunderstorms likely. waves 1 to 3 feet building to
3 to 6 feet. 
.wednesday...northwest winds 15 to 25 knots. a chance of showers
during the day. waves 4 to 7 feet subsiding to 3 to 5 feet. waves
occasionally around 9 feet. 
.thursday...northwest winds 5 to 10 knots becoming north. waves
1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus63 kdtx 191947
glflh 

lhz362-363-200800-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
346 pm edt sat aug 19 2017

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


$$
fzus63 kdtx 191947
glflh 

lhz462>464-200800-
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-
346 pm edt sat aug 19 2017

.tonight...northwest winds 10 to 15 knots...becoming south 
5 to 10 knots in the late evening and overnight. waves 2 to 4 
feet...subsiding to 2 feet or less. 
.sunday...south 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...south winds 5 to 10 knots. a chance of showers and
thunderstorms in the afternoon. waves 1 to 3 feet. 
.monday night...south winds 5 to 10 knots. a chance of showers
and thunderstorms. waves 2 feet or less. 
.tuesday...south winds 5 to 10 knots becoming southwest 10 to
15 knots late in the morning...then becoming northwest 15 to
20 knots late in the afternoon. a chance of showers and
thunderstorms early in the morning...then thunderstorms likely
early in the morning. rain showers early in the morning. waves
1 to 3 feet building to 4 to 6 feet late in the afternoon. waves
occasionally around 8 feet. 
.wednesday...northwest winds 15 to 20 knots decreasing to 10 to
15 knots until early morning. waves 4 to 6 feet. 
.thursday...north winds 10 to 15 knots decreasing to 5 to
10 knots until early morning. waves 2 to 4 feet subsiding to 1 to
3 feet until early morning. waves occasionally around 8 feet. 


$$

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