National Weather Service Marine Forecast FZUS61 KBUF

FZUS61 KBUF 150302
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EST Wed Jan 14 2026

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 29.3 inch low over eastern Quebec this evening will track northeast tonight while sending its cold front across the Lake. Upon this cold front a wave of low pressure will develop, deepening from 29.5 inches this evening over the western waters to 29.2 inches by tomorrow morning just east of the Lake. This surface low will then heads towards and across New England tomorrow. A weak 29.8 inch high will then build in across the lake Friday which will be followed by a 29.7 inch low and cold front Saturday. This low will steam off into Quebec Canada Sunday while weakening to 29.9 inches. Meanwhile on Sunday a coastal low off the Carolina coastline of 29.8 inches will deepen to 29.4 inches Monday as it tracks northeastward, albeit with still great amount of uncertainty to its track.

LOZ062-151000
Lake Ontario open waters from the Niagara River to Hamlin Beach
1002 PM EST Wed Jan 14 2026

REST OF TONIGHT
North winds 15 to 25 knots. Rain and snow late this evening, then snow after midnight. Waves 3 to 6 feet.

THURSDAY
Northwest winds 15 to 20 knots. Snow. Waves 3 to 6 feet.

THURSDAY NIGHT
Northwest winds 15 to 20 knots becoming west. A chance of snow in the evening. Waves 3 to 5 feet.

FRIDAY
West winds 15 to 20 knots becoming south. A chance of snow showers. Waves 2 to 4 feet building to 3 to 5 feet.

FRIDAY NIGHT
South winds 15 to 25 knots becoming southwest. A chance of snow showers. Waves 3 to 6 feet.

SATURDAY
Southwest winds 15 to 25 knots. A chance of snow showers. Waves 3 to 5 feet building to 4 to 7 feet. Waves occasionally around 9 feet.

SUNDAY
Southwest winds 20 to 25 knots. A chance of snow showers. Waves 5 to 7 feet. Waves occasionally around 9 feet.

MONDAY
West gales to 35 knots. A chance of snow showers. Waves 6 to 9 feet building to 8 to 12 feet. Waves occasionally around 15 feet.

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LOZ063>065-151000
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence River
1002 PM EST Wed Jan 14 2026

REST OF TONIGHT
North winds 15 to 25 knots. Rain and snow, then snow late. Waves 1 to 3 feet building to 4 to 7 feet. Waves occasionally around 9 feet.

THURSDAY
North winds 15 to 25 knots becoming northwest. Snow. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally around 9 feet.

THURSDAY NIGHT
Northwest winds 15 to 20 knots. Lake effect snow in the evening, then snow showers overnight. Waves 3 to 6 feet building to 4 to 7 feet. Waves occasionally around 9 feet.

FRIDAY
Northwest winds 15 to 20 knots becoming south. A chance of snow showers. Waves 3 to 6 feet subsiding to 1 to 3 feet.

FRIDAY NIGHT
South winds 15 to 25 knots. A chance of snow showers. Waves 3 to 6 feet.

SATURDAY
South winds 15 to 25 knots becoming southwest to 30 knots. Snow showers likely. Waves 3 to 6 feet building to 6 to 9 feet. Waves occasionally around 11 feet.

SUNDAY
Southwest winds 20 to 25 knots becoming west. A chance of snow showers. Waves 5 to 9 feet. Waves occasionally around 11 feet.

MONDAY
West gales to 40 knots diminishing to 30 knots. A chance of snow showers. Waves 6 to 9 feet building to 11 to 16 feet. Waves occasionally around 20 feet.

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LOZ061-151000
MAFOR 1504/ ONTARIO WEST 1/2 12837 14727 12720. A chance of snow showers Thursday evening. Waves 3 to 6 feet.

ONTARIO EAST 1/2 13837 12727 11627 12727. Waves 1 to 3 feet building to 4 to 7 feet, and occasionally around 9 feet overnight. Waves 4 to 7 feet subsiding to 3 to 6 feet, and occasionally around 9 feet Thursday. Waves 3 to 6 feet Thursday evening.