Great Lakes Forecast
Issued by NWS
Issued by NWS
084 FZUS61 KBUF 080202 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1002 PM EDT Sun Jun 7 2026 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 30.2 inch high over Quebec will settle southeast to the New England coast Monday, then offshore Tuesday, where it will then remain anchored through Thursday. Meanwhile a 29.7 inch low will track from Lower Michigan to southern Quebec Tuesday night and Wednesday, with another 29.7 inch trough crossing the lake Friday. LOZ062-080900- Lake Ontario open waters from the Niagara River to Hamlin Beach- 1002 PM EDT Sun Jun 7 2026 .OVERNIGHT...Northeast winds 10 knots or less becoming east. Waves 1 foot or less. .MONDAY...East winds 5 to 15 knots. Waves 2 feet or less. .MONDAY NIGHT...East winds 5 to 15 knots becoming southeast less than 10 knots. Waves 1 to 2 feet. .TUESDAY...Light and variable winds becoming east 5 to 10 knots. Waves 1 foot or less. .TUESDAY NIGHT...East winds 5 to 10 knots becoming south. Showers. Waves 1 foot or less. .WEDNESDAY...Southwest winds 5 to 15 knots. Showers with a chance of thunderstorms during the day, then a chance of showers and thunderstorms Wednesday night. Waves 2 feet or less. .THURSDAY...Southwest winds 5 to 15 knots. A chance of showers and thunderstorms. Waves 2 feet or less. .FRIDAY...Southwest winds 5 to 15 knots becoming west. A chance of showers and thunderstorms. Waves 1 to 2 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-080900- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 1002 PM EDT Sun Jun 7 2026 .OVERNIGHT...North winds 10 knots or less becoming east. Waves 1 foot or less. .MONDAY...East winds 5 to 10 knots becoming northeast. Waves 1 foot or less. .MONDAY NIGHT...Northeast winds 5 to 10 knots becoming southeast. Waves 1 foot or less. .TUESDAY...South winds 10 knots or less becoming east. Waves 1 foot or less. .TUESDAY NIGHT...East winds 10 knots or less becoming south. A chance of showers in the evening, then showers likely overnight. Waves 1 foot or less. .WEDNESDAY...South winds 5 to 10 knots becoming southwest. Showers with a chance of thunderstorms during the day, then a chance of showers and thunderstorms Wednesday night. Waves 1 foot or less. .THURSDAY...Southwest winds 10 knots or less. A chance of showers and thunderstorms during the day, then a chance of showers Thursday night. Waves 1 foot or less. .FRIDAY...Southwest winds 5 to 10 knots becoming west. A chance of showers and thunderstorms. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-080900- MAFOR 0803/ ONTARIO WEST 1/2 11100 13200 13210 11200. Waves 2 feet or less. ONTARIO EAST 1/2 12100 12200 13100 11200. Waves 1 foot or less. $$