FZUS61 KBUF 200913 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 513 AM EDT Thu Jun 20 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...An 30.4 inch surface high nosing in over the Mid- Atlantic will begin to settle southward today. The ridge will then slowly weaken to 30.1 inches over the weekend and then drift away from the coast. LOZ062-201515- Lake Ontario open waters from the Niagara River to Hamlin Beach- 513 AM EDT Thu Jun 20 2024 .TODAY...West winds 10 knots or less becoming southwest. Showers and thunderstorms likely this morning, then a chance of showers and thunderstorms this afternoon. Waves 1 foot or less. .TONIGHT...Light and variable winds. A chance of showers and thunderstorms. Waves 1 foot or less. .FRIDAY...Northeast winds 10 knots or less. A chance of showers and thunderstorms in the morning. Waves 1 foot or less. .FRIDAY NIGHT...Northeast winds 10 knots or less becoming east. Waves 1 foot or less. .SATURDAY...East winds 5 to 10 knots becoming south. A chance of showers and thunderstorms. Waves 2 feet or less. .SUNDAY...Southwest winds 15 to 20 knots becoming west 10 to 15 knots. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .MONDAY...West winds 5 to 15 knots becoming northwest. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-201515- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 513 AM EDT Thu Jun 20 2024 .TODAY...South winds 10 knots or less becoming west. Showers and thunderstorms likely this morning, then a chance of showers and thunderstorms this afternoon. Waves 1 foot or less. .TONIGHT...West winds less than 10 knots becoming north. A chance of showers and thunderstorms. Waves 1 foot or less. .FRIDAY...North winds 5 to 10 knots becoming northeast. A chance of showers and thunderstorms in the morning. Waves 2 feet or less. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Waves 2 feet or less. .SATURDAY...Northeast winds 5 to 15 knots becoming south. A chance of showers and thunderstorms during the day, then showers likely with a chance of thunderstorms Saturday night. Waves 2 feet or less. .SUNDAY...Southwest winds 10 to 15 knots becoming west. Showers likely with a chance of thunderstorms. Waves 1 to 3 feet building to 2 to 4 feet. .MONDAY...West winds 5 to 15 knots. A chance of showers and thunderstorms during the day, then a chance of showers Monday night. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-201515- MAFOR 2009/ ONTARIO WEST 1/2 11509 11609 14600 11700 11800. Waves 1 foot or less. ONTARIO EAST 1/2 11400 11500 14600 11700 11800. A chance of showers and thunderstorms. Waves 1 foot or less. $$ AR