FZUS61 KBUF 030228 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1028 PM EDT Wed Oct 2 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 30.1 inch high will build from the Ohio Valley to the Mid Atlantic region by Thursday, then east into the Atlantic Friday. A weak cold front will cross the lake late Friday. A 30.3 inch high will then build from the Upper Great Lakes Friday night to Quebec and the Lower Great Lakes Saturday before retreating to Labrador by Sunday. LOZ062-030915- Lake Ontario open waters from the Niagara River to Hamlin Beach- 1028 PM EDT Wed Oct 2 2024 .OVERNIGHT...Southwest winds 10 to 15 knots. Waves 1 to 2 feet. .THURSDAY...Southwest winds 10 to 15 knots. Waves 1 to 3 feet. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Waves 1 to 3 feet subsiding to 1 foot or less. .FRIDAY...West winds less than 10 knots becoming northwest. A chance of showers in the afternoon. Waves 1 foot or less. .FRIDAY NIGHT...Northwest winds 10 to 15 knots. A chance of showers in the evening. Waves 2 feet or less. .SATURDAY...North winds 10 to 15 knots becoming southeast. Waves 2 feet or less. .SUNDAY...South winds 10 to 15 knots becoming west 15 to 20 knots. Showers likely with a chance of thunderstorms. Waves 2 to 4 feet. .MONDAY...West winds 15 to 20 knots. A chance of showers. Waves 3 to 6 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-030915- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 1028 PM EDT Wed Oct 2 2024 .OVERNIGHT...Southwest winds 10 to 15 knots. Waves 1 to 2 feet. .THURSDAY...Southwest winds 10 to 15 knots becoming south. Waves 1 to 3 feet. .THURSDAY NIGHT...South winds 5 to 10 knots becoming southwest. Waves 2 feet or less. .FRIDAY...Southwest winds 10 knots or less becoming northwest. Waves 1 foot or less. .FRIDAY NIGHT...Northwest winds 10 to 15 knots. A chance of showers. Waves 2 feet or less. .SATURDAY...North winds 10 to 15 knots becoming southeast. Waves 1 to 3 feet. .SUNDAY...Southeast winds 10 to 15 knots becoming west 15 to 20 knots. A chance of showers and thunderstorms during the day, then showers likely with a chance of thunderstorms Sunday night. Waves 2 to 4 feet. .MONDAY...West winds 15 to 25 knots. A chance of showers. Waves building to 4 to 7 feet. Waves occasionally around 9 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-030915- MAFOR 0303/ ONTARIO WEST 1/2 11500 15510 11510. Waves 1 to 3 feet. ONTARIO EAST 1/2 11500 12510 13410 12400. Waves 1 to 3 feet overnight and Thursday. Waves 2 feet or less Thursday evening. $$