Great Lakes Forecast
Issued by NWS
Issued by NWS
604 FZUS61 KBUF 120238 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 1038 PM EDT Sat May 11 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 track east across Lake Ontario overnight. A weak trough will persist over the Lake on Sunday morning, before weak high pressure over West Virginia noses northward over the region Sunday afternoon and Sunday night. A wavy cold frontal boundary over Lower Michigan on Monday will slowly work across the Lake on Tuesday into Tuesday night. A 30.0 inch high centered over western Ontario on Wednesday will settle across the Lower Great Lakes Wednesday night and Thursday. LOZ062-120915- Lake Ontario open waters from the Niagara River to Hamlin Beach- 1038 PM EDT Sat May 11 2024 .REST OF TONIGHT...East winds 5 to 10 knots becoming northeast. Showers likely late this evening, then a chance of showers after midnight. Patchy fog after midnight. Waves 1 foot or less. .SUNDAY...Northeast winds less than 10 knots becoming southwest. Patchy fog early. Waves 1 foot or less. .SUNDAY NIGHT...South winds 5 to 10 knots. A chance of showers overnight. Waves 2 feet or less. .MONDAY...South winds 10 to 15 knots becoming southwest 15 to 20 knots. Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 2 feet building to 2 to 4 feet. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Showers likely with a chance of thunderstorms in the evening, then showers likely overnight. Waves 1 to 3 feet. .TUESDAY...Southwest winds 5 to 15 knots becoming north. Showers with a chance of thunderstorms during the day, then showers likely Tuesday night. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 15 knots. A chance of showers during the day. Waves 1 to 2 feet. .THURSDAY...Northeast winds 5 to 10 knots becoming southeast. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-120915- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 1038 PM EDT Sat May 11 2024 .REST OF TONIGHT...Southeast winds 5 to 10 knots. Showers late this evening, then showers likely after midnight. Patchy fog late. Waves 1 foot or less. .SUNDAY...Southeast winds 5 to 15 knots becoming east less than 10 knots. Patchy fog early. A chance of showers early. Waves 2 feet or less. .SUNDAY NIGHT...South winds 10 knots or less. Waves 1 foot or less. .MONDAY...South winds 15 to 20 knots. Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. Waves 1 to 3 feet building to 2 to 4 feet. .MONDAY NIGHT...South winds 15 to 20 knots diminishing to 10 to 15 knots. Showers likely with a chance of thunderstorms in the evening, then showers overnight. Waves 1 to 3 feet. .TUESDAY...South winds 5 to 15 knots becoming north. Showers with a chance of thunderstorms during the day, then showers Tuesday night. Waves 2 feet or less. .WEDNESDAY...North winds 5 to 15 knots. A chance of showers during the day. Waves 1 to 2 feet. .THURSDAY...North winds 5 to 10 knots becoming southeast. Waves 2 feet or less. Winds and waves higher in and near thunderstorms. $$ LOZ061-120915- MAFOR 1203/ ONTARIO WEST 1/2 12200 11100 11800 11600 11500 12400. A chance of showers overnight. Waves 2 feet or less. ONTARIO EAST 1/2 11306 11300 12310 11300 11200 11300 11400. Waves 2 feet or less. $$