Great Lakes Forecast
Issued by NWS
Issued by NWS
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060 FZUS61 KBUF 210242 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1042 PM EDT Mon May 20 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 30.0 inch area of high pressure along the Carolinas will hold firm along the coast through Tuesday then drift out to sea Tuesday night. A 29.2 inch low near Lake Superior Wednesday morning will push a cold front across the lake Wednesday night into Thursday. A 30.0 inch high over the Upper Mississippi valley on Thursday will build across the Great Lakes region on Friday. High pressure will continue to nose southwards across the lake on Saturday. LOZ062-210915- Lake Ontario open waters from the Niagara River to Hamlin Beach- 1042 PM EDT Mon May 20 2024 .OVERNIGHT...East winds 10 knots or less becoming south. Waves 1 foot or less. .TUESDAY...South winds 10 knots or less becoming southwest 10 to 15 knots. Waves 2 feet or less. .TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming south less than 10 knots. Waves 1 to 2 feet. .WEDNESDAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots. A chance of showers and thunderstorms in the afternoon. Waves building to 2 to 4 feet. .WEDNESDAY NIGHT...Southwest winds diminishing to 10 to 15 knots. A chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms overnight. Waves 2 to 4 feet. .THURSDAY...Southwest winds 10 to 15 knots. Showers likely. Waves 1 to 3 feet. .FRIDAY...Northwest winds 5 to 10 knots. Waves 1 to 2 feet. .SATURDAY...Northeast winds 5 to 10 knots becoming southeast. Waves around 1 foot. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-210915- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 1042 PM EDT Mon May 20 2024 .OVERNIGHT...East winds 10 knots or less becoming south. Waves 1 foot or less. .TUESDAY...South winds increasing to 10 to 15 knots. Waves 1 foot or less. .TUESDAY NIGHT...Southwest winds 10 knots or less becoming south. Waves 2 feet or less. .WEDNESDAY...South winds 10 knots or less becoming southwest. A chance of showers and thunderstorms in the afternoon. Waves 1 to 3 feet. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet. .THURSDAY...Southwest winds 10 to 15 knots. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet. .FRIDAY...Northwest winds 10 to 15 knots. Waves 1 to 3 feet. .SATURDAY...Northeast winds 5 to 10 knots becoming southeast. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-210915- MAFOR 2103/ ONTARIO WEST 1/2 11300 14400 12510 11500. Waves 2 feet or less. ONTARIO EAST 1/2 15400 12500. Waves 1 foot or less. $$