FZUS61 KBUF 070246 GLFLO Open Lake Forecast for Lake Ontario National Weather Service Buffalo NY 946 PM EST Thu Feb 6 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 pair of surface lows will track across the region through tonight. A 30.4 inch surface high will then build from the Upper Midwest Friday to Lake Ontario Saturday...before a 29.5 inch surface low tracks across the Ohio Valley and Mid-Atlantic states Saturday night. Following the passage of this low...a 30.5 inch high will build from the Upper Mississippi Valley to the Mid- Atlantic and southern New England coastlines Sunday through Tuesday. LOZ062-071030- Lake Ontario open waters from the Niagara River to Hamlin Beach- 946 PM EST Thu Feb 6 2025 ...GALE WARNING IN EFFECT THROUGH FRIDAY AFTERNOON... .OVERNIGHT...Southwest gales to 35 knots becoming west to 40 knots. A chance of snow showers. Waves 10 to 14 feet building to 12 to 16 feet. Waves occasionally around 20 feet. .FRIDAY...West gales to 35 knots. Waves 11 to 16 feet subsiding to 10 to 14 feet. Waves occasionally around 20 feet. .FRIDAY NIGHT...West winds to 30 knots diminishing to 15 to 20 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 east 10 knots or less. A chance of snow showers. Waves 2 to 4 feet subsiding to 1 foot or less. .SATURDAY NIGHT...East winds 10 to 15 knots becoming northeast 15 to 20 knots. Snow. Waves 1 to 3 feet building to 2 to 4 feet. .SUNDAY...North winds 10 to 15 knots becoming west around 10 knots. Snow showers likely during the day. Waves 2 to 4 feet subsiding to 1 to 3 feet. .MONDAY...West winds 10 to 15 knots. Waves 1 to 2 feet. .TUESDAY...West winds 10 to 15 knots becoming north. A chance of snow showers Tuesday night. Waves 1 to 2 feet. $$ LOZ063>065-071030- Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River- 946 PM EST Thu Feb 6 2025 ...GALE WARNING IN EFFECT THROUGH FRIDAY AFTERNOON... .OVERNIGHT...West gales to 35 knots increasing to 40 knots. A chance of snow showers, then snow showers likely late. Waves 12 to 16 feet building to 15 to 20 feet. Waves occasionally around 26 feet. .FRIDAY...West gales to 40 knots diminishing to 30 knots. Lake effect snow showers likely early, then a chance of snow showers from late morning on. Waves 14 to 19 feet subsiding to 12 to 16 feet. Waves occasionally around 24 feet. .FRIDAY NIGHT...West winds to 30 knots diminishing to 15 to 25 knots. Lake effect snow showers likely. Waves 10 to 14 feet subsiding to 4 to 7 feet. Waves occasionally around 18 feet. .SATURDAY...West winds 5 to 15 knots becoming southeast 10 knots or less. Snow showers likely in the morning, then a chance of snow showers in the afternoon. Waves 3 to 6 feet subsiding to 1 to 3 feet. .SATURDAY NIGHT...East winds 10 to 15 knots becoming northeast 15 to 20 knots. Snow. Waves 1 foot or less building to 2 to 4 feet. .SUNDAY...North winds 10 to 15 knots becoming northwest. A chance of snow showers. Waves 2 to 4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet. .MONDAY...Northwest winds 5 to 15 knots becoming west. A chance of snow showers. Waves 2 feet or less. .TUESDAY...Southwest winds 5 to 15 knots becoming north. A chance of snow showers Tuesday night. Waves 2 feet or less. $$ LOZ061-071030- MAFOR 0704/ ONTARIO WEST 1/2...GALE WARNING IN EFFECT...14650 11650 12640 11630. A chance of snow showers overnight. Waves 10 to 14 feet building to 12 to 17 feet, and occasionally around 22 feet overnight. Waves 12 to 17 feet subsiding to 10 to 14 feet, and occasionally around 22 feet Friday. Waves 8 to 11 feet subsiding to 6 to 9 feet, and occasionally around 14 feet Friday evening. ONTARIO EAST 1/2...GALE WARNING IN EFFECT...15650 11640 11630. A chance of snow showers overnight and Friday. A chance of lake effect snow showers Friday evening. Waves 12 to 16 feet building to 15 to 20 feet, and occasionally around 26 feet overnight. Waves 14 to 19 feet subsiding to 12 to 16 feet, and occasionally around 24 feet Friday. Waves 10 to 14 feet subsiding to 8 to 11 feet, and occasionally around 18 feet Friday evening. $$ JJR