Great Lakes Forecast
Issued by NWS
Issued by NWS
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983 FZUS61 KBUF 221915 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 315 PM EDT Wed May 22 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 29.3 inch low near Lake Superior will push a cold front towards the lakes through tonight. A 29.9 inch high over the Upper Mississippi Valley will then build east across the Great Lakes region Thursday through Friday. A 29.5 inch low near Lake Superior Friday night will weaken as it tracks into Southern Quebec while sending a cold front through the lakes. A 29.9 inch high will then build in Saturday night and remain over the area through Sunday. LOZ062-230315- Lake Ontario open waters from the Niagara River to Hamlin Beach- 315 PM EDT Wed May 22 2024 .TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. Showers likely with a chance of thunderstorms early, then a chance of showers and thunderstorms. Some thunderstorms may produce gusty winds this evening. Waves 2 to 4 feet subsiding to 1 to 3 feet. .THURSDAY...West winds 5 to 10 knots becoming southwest. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Waves around 1 foot. .FRIDAY...West winds 5 to 10 knots. Waves 2 feet or less. .FRIDAY NIGHT...Northwest winds 5 to 10 knots becoming east. Waves 1 foot or less. .SATURDAY...East winds 10 to 15 knots becoming northwest. A chance of showers. Waves 2 feet or less. .SUNDAY...West winds around 10 knots becoming east. A chance of showers Sunday night. Waves 1 foot or less. .MONDAY...Southeast winds 10 to 15 knots becoming southwest. Showers likely with a chance of thunderstorms. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-230315- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 315 PM EDT Wed May 22 2024 ...SEVERE THUNDERSTORM WATCH 288 IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...Southwest winds 10 to 15 knots becoming west. Showers with a chance of thunderstorms early, then showers likely with a chance of thunderstorms early. A chance of showers and thunderstorms from late evening on. Some thunderstorms may be severe with strong winds, and large hail this evening. Waves 2 feet or less. .THURSDAY...West winds 5 to 10 knots. A chance of showers early. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. .FRIDAY...Southwest winds 5 to 15 knots becoming west. Waves 2 feet or less. .FRIDAY NIGHT...West winds 5 to 10 knots becoming east. Waves 2 feet or less. .SATURDAY...East winds 5 to 10 knots becoming west. A chance of showers. Waves 2 feet or less. .SUNDAY...West winds 5 to 10 knots becoming east. A chance of showers Sunday night. Waves 1 foot or less. .MONDAY...Southeast winds 10 to 15 knots becoming southwest. Showers likely with a chance of thunderstorms. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-230315- MAFOR 2221/ ONTARIO WEST 1/2...SEVERE THUNDERSTORM WATCH IN EFFECT...11520 12510 11610 12600 12500. A chance of thunderstorms, then a chance of showers and thunderstorms early this evening. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. Waves 1 to 2 feet Thursday. ONTARIO EAST 1/2...SEVERE THUNDERSTORM WATCH IN EFFECT...11506 11406 11410 11510 12600 12500. A chance of thunderstorms tonight. Waves 2 feet or less. $$