National Weather Service Marine Forecast FZUS61 KBUF

FZUS61 KBUF 160220
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1020 PM EDT Mon Jul 15 2024

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 weak 29.9 inch surface high will ridge over the lake overnight. Another 29.5 inch compact low will cross the lake on Tuesday. A 29.7 inch cold frontal boundary over the upper Great Lakes on Tuesday will push across the lake late Tuesday night and Wednesday morning. A sprawling 30.2 inch high over the northern plains Wednesday evening will build across the entire Great Lakes region late Wednesday night through Friday.

LOZ062-160915
Lake Ontario open waters from the Niagara River to Hamlin Beach
1020 PM EDT Mon Jul 15 2024

OVERNIGHT
Southwest winds 10 to 15 knots. A chance of showers late. Waves 1 to 2 feet.

TUESDAY
Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Showers and thunderstorms likely through early afternoon, then just a chance of showers late. Some thunderstorms may produce gusty winds. Waves 1 to 3 feet building to 2 to 4 feet.

TUESDAY NIGHT
Southwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of showers and thunderstorms overnight. Waves 2 to 4 feet.

WEDNESDAY
West winds 10 to 15 knots. A chance of showers and thunderstorms in the morning, then just a chance of showers in the afternoon. Waves 1 to 3 feet.

WEDNESDAY NIGHT
Northwest winds 10 to 15 knots. Waves 1 to 3 feet.

THURSDAY
Northwest winds 10 to 15 knots. Waves 1 to 3 feet.

FRIDAY
Northwest winds 5 to 10 knots. Waves 1 foot or less.

SATURDAY
West winds 5 to 10 knots. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

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LOZ063>065-160915
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River
1020 PM EDT Mon Jul 15 2024

OVERNIGHT
West winds 10 to 15 knots becoming southwest. A chance of showers and thunderstorms late this evening. Waves 2 feet or less.

TUESDAY
South winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers and thunderstorms from late morning on. Some thunderstorms may produce gusty winds. Waves 1 to 3 feet building to 2 to 4 feet.

TUESDAY NIGHT
Southwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of showers and thunderstorms overnight. Waves 3 to 5 feet subsiding to 1 to 3 feet.

WEDNESDAY
West winds 10 to 15 knots. A chance of showers and thunderstorms in the morning, then just a chance of showers in the afternoon. Waves 1 to 3 feet.

WEDNESDAY NIGHT
West winds 10 to 15 knots. Waves 1 to 3 feet.

THURSDAY
Northwest winds 10 to 15 knots. Waves 1 to 3 feet.

FRIDAY
Northwest winds 5 to 10 knots becoming southwest. Waves 1 foot or less.

SATURDAY
Southwest winds 5 to 10 knots. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

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LOZ061-160915
MAFOR 1603/ ONTARIO WEST 1/2 12510 13519 12520 11510. Waves 1 to 2 feet overnight. Waves 1 to 3 feet building to 2 to 4 feet Tuesday. Waves 2 to 4 feet Tuesday evening.

ONTARIO EAST 1/2 11600 12510 11419 11519 11529 11620 11510. Waves 2 feet or less overnight. Waves 1 to 3 feet building to 2 to 4 feet Tuesday. Waves 3 to 5 feet subsiding to 2 to 4 feet Tuesday evening.