Great Lakes Forecast
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541
FZUS61 KBUF 171754
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
154 PM EDT Thu Aug 17 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 30.0 inch high will drift east across New England
today. Meanwhile a 29.5 inch low will move from Wisconsin today
to eastern Lake Superior by Friday morning before reaching James
Bay Saturday morning, and eventually exiting across northern
Quebec Saturday night. A 30.1 inch high will then build into the
Ohio Valley and eastern Great Lakes Sunday and Monday.

LOZ062-172130-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
154 PM EDT Thu Aug 17 2017

.THIS AFTERNOON...East winds 15 to 20 knots. Scattered showers
early...then showers and scattered thunderstorms
late. Waves 1 to 3 feet building to 2 to 4 feet.
.TONIGHT...East winds 15 to 20 knots becoming south 10 to
15 knots. Showers likely with a chance of thunderstorms through
the early overnight...then a chance of showers and thunderstorms
late. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers and thunderstorms in the morning.
Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west.
Waves 2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots diminishing to around
10 knots. A chance of showers. Waves 2 to 4 feet subsiding to
1 to 2 feet.
.SUNDAY...West winds 5 to 10 knots becoming southwest. Waves 1 to
2 feet.
.MONDAY...Southwest winds 5 to 10 knots. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-172130-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
154 PM EDT Thu Aug 17 2017

.THIS AFTERNOON...Southeast winds 10 to 15 knots becoming east
15 to 20 knots. Scattered showers late. Waves 1 to 3 feet.
.TONIGHT...East winds 10 to 15 knots becoming south 15 to
20 knots. Showers and scattered thunderstorms. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.FRIDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots. Showers likely with a chance of thunderstorms in the
morning...then a chance of showers and thunderstorms in the
afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots. A chance of
showers. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of showers. Waves 2 to 4 feet building to 3 to
5 feet...then subsiding to 2 to 4 feet.
.SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 1 to
2 feet.
.MONDAY...Southwest winds 5 to 10 knots. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-172130-
MAFOR 1715/
ONTARIO WEST 1/2 11210 12226 11216 11316 11410 12510. Scattered
thunderstorms this afternoon. A chance of thunderstorms tonight.
A chance of showers and thunderstorms Friday morning. Waves 1 to
3 feet building to 2 to 4 feet this afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet tonight. Waves 1 to 2 feet Friday
morning.

ONTARIO EAST 1/2 11310 11210 12216 11326 12426 11520. Scattered
thunderstorms tonight. A chance of showers Friday morning. Waves
1 to 3 feet.

$$


WOOD



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