Great Lakes Forecast
Issued by NWS
Issued by NWS
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784 FZUS61 KBUF 222103 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 503 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- 503 PM EDT Wed May 22 2024 .TONIGHT...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of showers and thunderstorms after midnight. 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 1 to 2 feet. .FRIDAY...West winds 5 to 10 knots. Waves around 1 foot. .FRIDAY NIGHT...Northwest winds 5 to 10 knots becoming east. Waves around 1 foot. .SATURDAY...East winds 10 to 15 knots becoming northwest. A chance of showers. Waves 1 to 3 feet. .SUNDAY...West winds around 10 knots becoming east. A chance of showers Sunday night. Waves 2 feet or less. .MONDAY...Southeast winds 10 to 15 knots becoming southwest. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ064-065-230315- Lake Ontario open waters from Sodus Bay to the Saint Lawrence River- 503 PM EDT Wed May 22 2024 ...SEVERE THUNDERSTORM WATCH 288 IN EFFECT UNTIL 8 PM EDT THIS EVENING... .TONIGHT...South winds 10 to 15 knots becoming west. Showers and thunderstorms early, then a chance of showers and thunderstorms from late evening on. Some thunderstorms may be severe with strong winds and large hail early. Waves 1 to 3 feet. .THURSDAY...West winds 5 to 10 knots becoming southwest. A chance of showers and thunderstorms early. Waves 1 to 2 feet. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less. .FRIDAY...Southwest winds 5 to 15 knots becoming west. Waves 1 to 2 feet. .FRIDAY NIGHT...West winds 5 to 10 knots becoming east. Waves 2 feet or less. .SATURDAY...East winds 5 to 10 knots becoming west. A chance of showers. Waves 1 foot or less. .SUNDAY...West winds 5 to 10 knots becoming east. A chance of showers Sunday night. Waves 1 foot or less. .MONDAY...Southeast winds 10 to 15 knots becoming south. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063-230315- Lake Ontario open waters from Hamlin Beach to Sodus Bay- 503 PM EDT Wed May 22 2024 .TONIGHT...Southwest winds 10 to 15 knots becoming west. A chance of showers and thunderstorms early. A chance of showers and thunderstorms after midnight. Waves 2 feet or less. .THURSDAY...West winds 10 knots or less. Waves 2 feet or less. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or less. .FRIDAY...West winds around 10 knots. Waves 1 to 2 feet. .FRIDAY NIGHT...Northwest winds 5 to 10 knots becoming east. Waves 1 to 2 feet. .SATURDAY...East winds around 10 knots becoming west. A chance of showers. Waves 1 to 2 feet. .SUNDAY...West winds 5 to 10 knots becoming east. A chance of showers Sunday night. Waves 1 to 2 feet. .MONDAY...Southeast winds 10 to 15 knots becoming southwest. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-230315- MAFOR 2221/ ONTARIO WEST 1/2 11520 12510 11620 12600 12500. A chance of showers and thunderstorms early this evening. A chance of showers and thunderstorms overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. Waves 1 to 2 feet Thursday. ONTARIO EAST 1/2...SEVERE THUNDERSTORM WATCH IN EFFECT...11519 12410 11520 12600 12500. Waves 1 to 3 feet tonight. Waves 2 feet or less Thursday. $$