Great Lakes Forecast
Issued by NWS
Issued by NWS
982 FZUS61 KBUF 052108 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 408 PM EST Wed Feb 5 2025 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 30.5 inch high draped across New York State will exit off to our east while weakening to 30.4 inches tonight. A pair of surface lows will then track across the region through Friday. A 30.4 inch surface high will briefly pass over the lake on Saturday. A 29.5 inch surface low will track from the Ohio Valley and across or just south of the lake Saturday night into Sunday. LOZ062-060415- Lake Ontario open waters from the Niagara River to Hamlin Beach- 408 PM EST Wed Feb 5 2025 ...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... .TONIGHT...South winds 10 knots or less becoming southeast and increasing to 15 to 20 knots after midnight. Snow likely late. Waves 1 foot or less building to 2 to 4 feet. .THURSDAY...East winds 15 to 25 knots becoming southwest. Snow in the morning, then a chance of rain and snow likely early in the afternoon. A chance of rain late. Waves 3 to 5 feet building to 3 to 6 feet. .THURSDAY NIGHT...Southwest winds to 30 knots becoming west and increasing to 35 knot gales overnight. A chance of snow showers overnight. Waves 8 to 11 feet building to 11 to 16 feet. Waves occasionally around 20 feet. .FRIDAY...West gales to 35 knots. A chance of snow showers. Waves 12 to 16 feet subsiding to 8 to 11 feet. Waves occasionally around 20 feet. .FRIDAY NIGHT...West winds 15 to 25 knots. Waves 7 to 10 feet subsiding to 3 to 6 feet. Waves occasionally around 13 feet. .SATURDAY...West winds 5 to 15 knots becoming northeast 15 to 20 knots. A chance of snow during the day, then snow Saturday night. Waves 1 to 3 feet building to 4 to 6 feet. .SUNDAY...Northwest winds 15 to 20 knots becoming west 10 to 15 knots. A chance of snow showers. Waves 3 to 6 feet subsiding to 2 to 4 feet. .MONDAY...West winds around 10 knots. Waves 1 to 2 feet. $$ LOZ063>065-060415- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 408 PM EST Wed Feb 5 2025 ...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... .TONIGHT...West winds 10 knots or less becoming southeast and increasing to 15 to 20 knots after midnight. A chance of snow late. Waves 1 foot or less building to 2 to 4 feet. .THURSDAY...Southeast winds 15 to 25 knots becoming southwest. Snow in the morning, then snow with possible rain and freezing drizzle likely early in the afternoon. A chance of rain late. Waves 3 to 5 feet. .THURSDAY NIGHT...Southwest winds to 30 knots becoming west and increasing to 40 knot gales overnight. A chance of rain in the evening, then snow showers likely with a chance of rain showers overnight. Waves 8 to 11 feet building to 14 to 19 feet. Waves occasionally around 24 feet. .FRIDAY...West gales to 35 knots diminishing to 30 knots. Snow showers. Waves 15 to 19 feet subsiding to 10 to 14 feet. Waves occasionally around 24 feet. .FRIDAY NIGHT...West winds to 30 knots diminishing to 15 to 25 knots. Snow showers likely in the evening, then a chance of snow showers overnight. Waves 9 to 12 feet subsiding to 3 to 6 feet. Waves occasionally around 15 feet. .SATURDAY...West winds 10 to 15 knots becoming northeast 15 to 20 knots. A chance of snow showers during the day, then snow Saturday night. Waves 3 to 5 feet building to 3 to 6 feet. .SUNDAY...North winds 15 to 20 knots becoming northwest 10 to 15 knots. A chance of snow showers. Waves 3 to 6 feet. .MONDAY...West winds 5 to 10 knots. Waves 1 to 3 feet. $$ LOZ061-060415- MAFOR 0522/ ONTARIO WEST 1/2 11500 11300 11310 11320 12327 11417 11530. A chance of rain Thursday afternoon. Waves 1 foot or less building to 2 to 4 feet tonight. Waves 3 to 5 feet subsiding to 2 to 4 feet Thursday. ONTARIO EAST 1/2 11600 11400 11310 11320 12327 12427. A chance of rain and light freezing drizzle Thursday afternoon. Waves 2 feet or less building to 2 to 4 feet tonight. Waves 3 to 5 feet subsiding to 2 to 4 feet Thursday. $$ JJR