####018003838#### FZUS61 KBUF 112004 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 404 PM EDT Thu Apr 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 29.2 inch low will move north across central Lake Erie this evening before reaching Georgian Bay Friday morning and deepening to 28.9 inches. This low will continue north across western Quebec Friday through Saturday before weakening over northern Quebec Sunday through Monday. LOZ062-120315- Lake Ontario open waters from the Niagara River to Hamlin Beach- 404 PM EDT Thu Apr 11 2024 ...GALE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY AFTERNOON... .TONIGHT...Southeast winds 15 to 20 knots. Periods of rain with a chance of evening thunderstorms. Waves 3 to 6 feet. .FRIDAY...South winds 15 to 25 knots becoming southwest to 30 knots. Periods of rain early will taper off to scattered showers. Waves 3 to 5 feet building to 6 to 9 feet. Waves occasionally around 11 feet. .FRIDAY NIGHT...Southwest winds to 30 knots becoming west and increasing to 35 knot gales overnight. Rain. Waves building to 9 to 13 feet. Waves occasionally around 16 feet. .SATURDAY...West gales to 35 knots. Rain. Waves 10 to 13 feet. Waves occasionally around 16 feet. .SATURDAY NIGHT...West winds 15 to 25 knots. A chance of showers. Waves 6 to 9 feet. Waves occasionally around 11 feet. .SUNDAY...South winds 15 to 20 knots. Showers likely. Waves 1 to 3 feet. .MONDAY...Variable winds under 10 knots. Waves 2 feet or less. .TUESDAY...East winds 10 to 15 knots. A chance of showers. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ063>065-120315- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 404 PM EDT Thu Apr 11 2024 ...GALE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY EVENING... .TONIGHT...Southeast winds 15 to 25 knots. Periods of rain with a chance of evening thunderstorms. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet. .FRIDAY...South winds 15 to 25 knots becoming southwest. Periods of rain with a chance of thunderstorms in the morning, then only showers likely in the afternoon. Waves 3 to 6 feet. .FRIDAY NIGHT...Southwest winds to 30 knots becoming west and increasing to 35 knot gales overnight. Rain. Waves 5 to 8 feet building to 10 to 15 feet. Waves occasionally around 19 feet. .SATURDAY...West gales to 40 knots. Rain. Waves 13 to 18 feet. Waves occasionally around 23 feet. .SATURDAY NIGHT...West gales to 35 knots diminishing to 15 to 25 knots. Showers likely in the evening. Waves 11 to 15 feet subsiding to 4 to 7 feet. Waves occasionally around 19 feet. .SUNDAY...Southwest winds 15 to 20 knots. Showers likely. Waves 3 to 6 feet. .MONDAY...West winds 10 to 15 knots. Waves 2 feet or less. .TUESDAY...East winds 10 to 15 knots. A chance of showers. Waves 1 to 3 feet. Winds and waves higher in and near thunderstorms. $$ LOZ061-120315- MAFOR 1121/ ONTARIO WEST 1/2 11326 13336 11426 11536 11530 11540. A chance of thunderstorms this evening. Waves 3 to 6 feet building to 4 to 7 feet, and occasionally around 9 feet tonight. Waves 3 to 6 feet building to 5 to 8 feet, and occasionally around 10 feet Friday. ONTARIO EAST 1/2 11320 12336 11330 11336 11436 11526 11530. A chance of thunderstorms this evening. Waves 3 to 6 feet building to 4 to 7 feet, and occasionally around 9 feet tonight. Waves 3 to 6 feet Friday. $$ ####018001082#### FZUS61 KBUF 112006 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 406 PM EDT Thu Apr 11 2024 SLZ022-024-120315- Saint Lawrence River from Cape Vincent to Saint Regis 406 PM EDT Thu Apr 11 2024 .TONIGHT...Northeast winds 10 to 15 knots becoming southeast and increasing to 15 to 20 knots. A chance of showers early, then periods of rain. .FRIDAY...Southeast winds 15 to 20 knots becoming southwest. Periods of rain with a chance of thunderstorms. .FRIDAY NIGHT...Southwest winds 15 to 20 knots. Rain. .SATURDAY...Southwest winds 10 to 15 knots becoming west 15 to 20 knots. Rain. .SATURDAY NIGHT...West winds diminishing to 10 to 15 knots. Rain showers in the evening. .SUNDAY...Southwest winds 10 to 15 knots. Rain showers likely. .MONDAY...West winds 10 knots or less. Partly cloudy. .TUESDAY...Southwest winds 10 knots or less becoming east. A chance of rain showers Tuesday night. Winds and waves higher in and near thunderstorms. $$