Great Lakes Forecast
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000
FZUS61 KBUF 101741
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
141 PM EDT Mon Aug 10 2020

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 30.1 inch high will drift to the eastern seaboard
this afternoon. A weak cold front will then cross the lower Great
Lakes Tuesday night. A 30.1 inch high will build into the Great
Lakes Wednesday. Another 30.3 inch high will then build from
northern Ontario Thursday to central Quebec by Friday.

LOZ062-102115-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
141 PM EDT Mon Aug 10 2020

.THIS AFTERNOON...Southwest winds 5 to 15 knots. Waves 2 feet or
less.
.TONIGHT...Southwest winds 5 to 15 knots becoming south. Waves
1 to 3 feet.
.TUESDAY...Southwest winds 5 to 15 knots. A chance of showers and
thunderstorms. Waves 1 foot or less.
.TUESDAY NIGHT...West winds 5 to 15 knots becoming northwest.
Waves 1 foot or less.
.WEDNESDAY...West winds 10 knots or less. Waves 1 foot or less.
.THURSDAY...Northwest winds 10 knots or less becoming east. Waves
1 foot or less.
.FRIDAY...Northeast winds around 10 knots becoming east. Waves
1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-102115-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
141 PM EDT Mon Aug 10 2020

.THIS AFTERNOON...South winds 5 to 10 knots becoming southeast.
Waves 1 foot or less.
.TONIGHT...Southeast winds 5 to 10 knots becoming south. Waves
1 foot or less.
.TUESDAY...South winds 5 to 15 knots becoming west. A chance of
showers and thunderstorms in the afternoon. Waves 2 feet or less.
.TUESDAY NIGHT...West winds 5 to 15 knots becoming northwest. A
chance of showers and thunderstorms in the evening. Waves 1 foot
or less.
.WEDNESDAY...Northwest winds 10 knots or less becoming southwest.
Waves 1 foot or less.
.THURSDAY...South winds 10 knots or less becoming east. Waves
1 foot or less.
.FRIDAY...Northeast winds 5 to 10 knots becoming southeast. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-102115-
MAFOR 1015/
ONTARIO WEST 1/2 12500 11510 11500 13400 11500. A chance of
thunderstorms Tuesday morning. Waves 2 feet or less this
afternoon. Waves 1 to 3 feet tonight. Waves 1 foot or less
Tuesday morning.

ONTARIO EAST 1/2 11400 12300 13400 12410. Waves 2 feet or less.

$$


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