Great Lakes Forecast
Issued by NWS
Issued by NWS
253 FZUS61 KBUF 092053 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 453 PM EDT Thu May 9 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 29.5 inch low over the upper Ohio Valley this evening, will slowly move to, then off the Mid Atlantic Coast tonight through Friday. A weak 29.8 inch ridge will then slide across the Lake Friday night, with a 29.6 inch trough then forecast to approach the lower Great Lakes Saturday. A 29.9 inch high will move into the Great Lakes region Sunday. LOZ062-100330- Lake Ontario open waters from the Niagara River to Hamlin Beach- 453 PM EDT Thu May 9 2024 .TONIGHT...Northeast winds 10 knots or less. Waves 2 feet or less. .FRIDAY...Northeast winds 5 to 15 knots becoming east. A chance of showers late. Waves 2 feet or less. .FRIDAY NIGHT...Northeast winds less than 10 knots. A chance of showers in the evening. Waves 1 foot or less. .SATURDAY...Southeast winds 10 knots or less becoming east. A chance of showers. Waves 1 foot or less. .SATURDAY NIGHT...East winds 5 to 10 knots becoming northwest. A chance of showers in the evening. Waves 1 foot or less. .SUNDAY...West winds 5 to 15 knots becoming southwest. A chance of showers Sunday night. Waves 2 feet or less. .MONDAY...Southwest winds 10 to 15 knots. Showers likely with a chance of thunderstorms during the day, then a chance of showers and thunderstorms Monday night. Waves 1 to 3 feet. .TUESDAY...Southwest winds 5 to 10 knots becoming northeast. A chance of showers. Waves 1 foot or less. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-100330- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 453 PM EDT Thu May 9 2024 .TONIGHT...North winds 10 knots or less becoming northeast 10 to 15 knots. A chance of showers late. Waves 2 feet or less. .FRIDAY...Northeast winds 5 to 15 knots becoming east less than 10 knots. A chance of showers in the morning, then rain likely in the afternoon. Waves 1 to 3 feet subsiding to 1 foot or less. .FRIDAY NIGHT...South winds less than 10 knots. A chance of showers. Waves 1 foot or less. .SATURDAY...South winds 10 knots or less becoming east. A chance of showers. Waves 1 foot or less. .SATURDAY NIGHT...East winds 10 knots or less becoming south. A chance of showers. Waves 1 foot or less. .SUNDAY...Southwest winds 5 to 15 knots becoming south. A chance of showers during the day. Waves 2 feet or less. .MONDAY...South winds 10 to 15 knots becoming southwest. Showers likely with a chance of thunderstorms. Waves 1 to 2 feet. .TUESDAY...Southwest winds 5 to 10 knots becoming east. A chance of showers. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-100330- MAFOR 0921/ ONTARIO WEST 1/2 11200 12100 11800 12110 12200. Waves 2 feet or less tonight. Waves 1 to 3 feet Friday. ONTARIO EAST 1/2 11700 11100 11800 13110 12106. A chance of showers Friday morning. Waves 2 feet or less tonight. Waves 1 to 3 feet subsiding to 1 foot or less Friday. $$