Great Lakes Forecast
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Issued by NWS
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596 FZUS61 KBUF 271749 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 149 PM EDT Mon May 27 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 29.5 inch low over Lower Michigan will track to western Quebec by this evening while pushing a pair of fronts across the lake. The low will begin to weaken tonight as it will track northeast across Quebec through Tuesday. A 30.3 inch high centered over the Hudson Bay will then begin to build southward Tuesday night through Wednesday night, then across the Great Lakes Thursday and Friday. LOZ062-272115- Lake Ontario open waters from the Niagara River to Hamlin Beach- 149 PM EDT Mon May 27 2024 .THIS AFTERNOON...Southwest winds 10 to 15 knots. Showers likely with a chance of thunderstorms early, then a chance of showers and thunderstorms late. Waves 1 to 3 feet building to 2 to 4 feet. .TONIGHT...Southwest winds 15 to 20 knots becoming west. A chance of showers and thunderstorms early. Waves 3 to 6 feet. .TUESDAY...West winds 15 to 20 knots. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 4 to 7 feet. Waves occasionally around 9 feet. .TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest 10 to 15 knots. A chance of showers. Waves 3 to 6 feet subsiding to 1 to 3 feet. .WEDNESDAY...Northwest winds 15 to 20 knots becoming north 10 to 15 knots. Waves 1 to 2 feet. .THURSDAY...North winds 10 to 15 knots becoming northwest. Waves 1 to 3 feet. .FRIDAY...Northwest winds around 10 knots. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LOZ064-065-272115- Lake Ontario open waters from Sodus Bay to the Saint Lawrence River- 149 PM EDT Mon May 27 2024 ...SEVERE THUNDERSTORM WATCH 333 IN EFFECT UNTIL 9 PM EDT THIS EVENING... .THIS AFTERNOON...South winds 15 to 20 knots becoming southwest. Showers with a chance of thunderstorms. Some thunderstorms may produce gusty winds. Waves 2 to 4 feet. .TONIGHT...Southwest winds 5 to 10 knots increasing to 15 to 20 knots. Showers likely with a chance of thunderstorms early, then a chance of showers late in the evening. Some thunderstorms may produce gusty winds early. Waves 1 to 3 feet building to 3 to 5 feet. .TUESDAY...Southwest winds 15 to 20 knots becoming west. A chance of showers. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .TUESDAY NIGHT...West winds 15 to 20 knots becoming north 10 to 15 knots. Showers likely with a chance of thunderstorms in the evening, then a chance of showers overnight. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves occasionally around 9 feet. .WEDNESDAY...North winds 10 to 15 knots. A chance of showers during the day. Waves 2 feet or less. .THURSDAY...North winds 10 to 15 knots becoming northwest. Waves 1 to 3 feet. .FRIDAY...North winds 5 to 10 knots becoming northwest. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063-272115- Lake Ontario open waters from Hamlin Beach to Sodus Bay- 149 PM EDT Mon May 27 2024 .THIS AFTERNOON...South winds 15 to 20 knots becoming southwest 10 to 15 knots. Showers with a chance of thunderstorms early , then showers likely with a chance of thunderstorms late. Some thunderstorms may produce gusty winds. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TONIGHT...Southwest winds 15 to 20 knots. Showers likely with a chance of thunderstorms early. Some thunderstorms may produce gusty winds early. Waves 1 to 3 feet building to 3 to 5 feet. .TUESDAY...West winds 15 to 20 knots. A chance of showers. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .TUESDAY NIGHT...West winds 15 to 20 knots becoming northwest 10 to 15 knots. Showers likely in the evening, then a chance of showers overnight. Waves 4 to 7 feet subsiding to 2 to 4 feet. Waves occasionally around 9 feet. .WEDNESDAY...North winds 10 to 15 knots. Waves 1 to 2 feet. .THURSDAY...North winds 10 to 15 knots becoming northwest. Waves 2 to 3 feet. .FRIDAY...Northwest winds around 10 knots becoming west. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-272115- MAFOR 2715/ ONTARIO WEST 1/2 11416 11510 14520 12620. A chance of thunderstorms this afternoon and evening. Waves 1 to 3 feet building to 2 to 4 feet this afternoon. Waves 3 to 6 feet tonight. Waves 3 to 6 feet building to 4 to 7 feet, and occasionally around 9 feet Tuesday morning. ONTARIO EAST 1/2...SEVERE THUNDERSTORM WATCH IN EFFECT...12426 11516 14520 11620. A chance of thunderstorms this afternoon and evening. Waves 2 to 4 feet this afternoon. Waves 1 to 3 feet building to 3 to 5 feet tonight. Waves 3 to 6 feet building to 4 to 7 feet, and occasionally around 9 feet Tuesday morning. $$ AR