FZUS61 KBUF 031421 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1021 AM EDT Sat Aug 3 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 29.6 inch low will slowly move across the lower Great Lakes today. A frontal boundary will slowly cross the lower Great Lakes from the north Sunday through Monday. A 30.1 inch high will then build across the upper Great Lakes on Tuesday and Wednesday while the frontal boundary remains stalled just south of the lake. LOZ062-032115- Lake Ontario open waters from the Niagara River to Hamlin Beach- 1021 AM EDT Sat Aug 3 2024 .THIS AFTERNOON...West winds 5 to 10 knots becoming southwest. Waves 1 foot or less. .TONIGHT...Southwest winds 5 to 10 knots becoming west. Waves 1 foot or less. .SUNDAY...West winds 5 to 10 knots. Waves 2 feet or less. .SUNDAY NIGHT...West winds 5 to 10 knots. A chance of showers overnight. Waves 1 to 2 feet. .MONDAY...West winds 10 to 15 knots becoming northeast. A chance of showers. Waves 1 to 3 feet. .TUESDAY...Northeast winds 10 to 15 knots. A chance of showers. Waves 1 to 3 feet. .WEDNESDAY...Northeast winds 10 to 15 knots. Waves 1 to 3 feet. $$ LOZ063>065-032115- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 1021 AM EDT Sat Aug 3 2024 .THIS AFTERNOON...Southwest winds 5 to 10 knots becoming west. A chance of showers. Waves 1 foot or less. .TONIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or less. .SUNDAY...West winds 5 to 15 knots. Waves 1 to 2 feet. .SUNDAY NIGHT...West winds 5 to 15 knots. A chance of showers overnight. Waves 1 to 2 feet. .MONDAY...West winds 5 to 15 knots becoming northeast. A chance of showers and thunderstorms. Waves 1 to 2 feet. .TUESDAY...Northeast winds 5 to 15 knots. A chance of showers. Waves 2 feet or less. .WEDNESDAY...Northeast winds 5 to 15 knots. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-032115- MAFOR 0315/ ONTARIO WEST 1/2 12600 12500 14600. Waves 2 feet or less. ONTARIO EAST 1/2 11500 12600 13500 12600. A chance of showers this afternoon. Waves 2 feet or less. $$ EAJ