FZUS61 KBUF 050546 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 146 AM EDT Thu Sep 5 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 30.4 inch high will gradually move off the New England coast, but continue to influence the lakes today. A wavy, slow moving cold front over Michigan on Friday will then drift east across the lake on Saturday. A 30.2 inch high will move into the Ohio Valley and Mid-Atlantic region Sunday, and slowly strengthen through early next week. LOZ062-050930- Lake Ontario open waters from the Niagara River to Hamlin Beach- 146 AM EDT Thu Sep 5 2024 .OVERNIGHT...Southeast winds 5 to 15 knots becoming south. Waves 1 to 2 feet. .THURSDAY...South winds 5 to 15 knots becoming east. Waves 2 feet or less. .THURSDAY NIGHT...East winds 5 to 15 knots becoming south. Waves 1 to 3 feet. .FRIDAY...South winds 5 to 15 knots. Showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 2 feet. .FRIDAY NIGHT...West winds 5 to 15 knots becoming northwest 15 to 20 knots. Showers likely with a chance of thunderstorms in the evening, then showers likely overnight. Waves 1 to 2 feet. .SATURDAY...Northwest winds 15 to 20 knots becoming west. Showers likely with a chance of thunderstorms. Waves 2 to 4 feet building to 3 to 5 feet. .SUNDAY...West winds 15 to 25 knots. A chance of showers. Waves 3 to 5 feet. .MONDAY...West winds 15 to 20 knots diminishing to 10 to 15 knots. A chance of showers during the day. Waves 2 to 4 feet subsiding to 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-050930- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 146 AM EDT Thu Sep 5 2024 .OVERNIGHT...South winds 10 to 15 knots. Waves 2 feet or less. .THURSDAY...South winds 5 to 15 knots becoming southeast. Waves 2 feet or less. .THURSDAY NIGHT...Southeast winds 10 to 15 knots becoming south 15 to 20 knots. Waves 1 to 3 feet building to 2 to 4 feet. .FRIDAY...South winds 15 to 20 knots becoming southeast 10 to 15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet. .FRIDAY NIGHT...South winds 10 to 15 knots becoming southwest 15 to 20 knots. A chance of showers in the evening, then showers likely overnight. Waves 1 to 3 feet. .SATURDAY...West winds 15 to 20 knots. Showers with a chance of thunderstorms. Waves 2 to 4 feet building to 3 to 5 feet. .SUNDAY...West winds 15 to 25 knots. Showers likely during the day, then a chance of showers Sunday night. Waves 2 to 4 feet building to 3 to 6 feet. .MONDAY...West winds 15 to 20 knots diminishing to 5 to 10 knots. A chance of showers during the day. Waves 2 to 4 feet subsiding to 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-050930- MAFOR 0503/ ONTARIO WEST 1/2 11300 12410 11400 11300 12200 11310. Waves 2 feet or less. ONTARIO EAST 1/2 11310 14410 11300 12310. Waves 2 feet or less. $$ AR