
Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >
NZUS99 KBUF 281452
GLFLOT
Experimental Tabular Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
952 AM EST Fri Nov 28 2025
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 29.4 inch surface low over western Quebec this morning
will slowly track to central and eastern Quebec today. Meanwhile, a
30.5 inch surface high will build south into the mid-Mississippi
Valley, then to the Ohio Valley and lower Great Lakes Saturday.
Another surface low will cut northeastward through the central Great
Lakes Sunday, slowly deepening from 29.6 inches Sunday morning to
29.4 inches Sunday night over western Quebec. A cold front from this
low will cross the Lake late Sunday night. A 30.4 inch surface high
centered over the Central Plains will then build east across the
Great Lakes Monday, sliding quickly to New England on Tuesday.
LOZ062-282100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
952 AM EST Fri Nov 28 2025
...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...
.This Afternoon...
Weather.............Mostly cloudy.
Sfc winds...........West gales to 35 knots.
100-ft winds........West gales to 45 knots.
Sig waves...........10 to 14 feet.
Ocnl waves..........Around 17 feet.
.TONIGHT...
Weather.............Mostly cloudy.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 13 feet.
.SATURDAY...
Weather.............Partly sunny.
Sfc winds...........West 10 to 15 knots.
100-ft winds........West 15 to 20 knots.
Sig waves...........5 to 7 feet subsiding to 2 to 4 feet in the
afternoon.
Ocnl waves..........Around 8 feet in the morning.
.SATURDAY NIGHT...
Weather.............Cloudy with chance of snow showers, then snow
showers after midnight.
Sfc winds...........Southeast 5 to 10 knots increasing to 15 to 20
knots after midnight.
100-ft winds........Southeast 10 to 15 knots increasing to 20 to 25
knots after midnight.
Sig waves...........1 to 3 feet building to 4 to 6 feet after
midnight.
Ocnl waves..........Around 7 feet after midnight.
.FORECAST DAYS 3 THROUGH 5......
.SUNDAY...Windy. Rain and snow showers in the morning, then
showers likely in the afternoon. chance of rain and snow showers
in the evening. South winds to 30 knots. Waves 8 to 12 feet.
.MONDAY...Chance of snow showers after midnight. West winds 10 to
15 knots. Waves 4 to 6 feet.
.TUESDAY...Chance of snow showers. South winds 10 to 15 knots.
Waves 2 to 4 feet.
$$
LOZ063-282100-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
952 AM EST Fri Nov 28 2025
...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...
.This Afternoon...
Weather.............Snow showers likely, then cloudy with chance of
snow showers in the afternoon.
Sfc winds...........West gales to 40 knots.
100-ft winds........West storm force winds to 50 knots.
Sig waves...........12 to 16 feet.
Ocnl waves..........Around 21 feet.
.TONIGHT...
Weather.............Mostly cloudy with chance of snow showers.
Sfc winds...........West gales to 35 knots becoming northwest to 30
knots after midnight.
100-ft winds........West gales to 45 knots becoming northwest at 35
knots after midnight.
Sig waves...........10 to 14 feet.
Ocnl waves..........Around 17 feet.
.SATURDAY...
Weather.............Partly sunny with chance of snow showers, then
partly sunny in the afternoon.
Sfc winds...........West 15 to 20 knots.
100-ft winds........West 20 to 25 knots.
Sig waves...........6 to 9 feet subsiding to 3 to 5 feet in the
afternoon.
Ocnl waves..........Around 11 feet subsiding to around 6 feet in
the afternoon.
.SATURDAY NIGHT...
Weather.............Cloudy, then snow showers after midnight.
Sfc winds...........South 5 to 10 knots increasing to southeast 20
to 25 knots after midnight.
100-ft winds........South 10 to 15 knots increasing to southeast to
30 knots after midnight.
Sig waves...........2 to 4 feet building to 5 to 7 feet after
midnight.
Ocnl waves..........Around 9 feet after midnight.
.FORECAST DAYS 3 THROUGH 5......
.SUNDAY...Windy. Rain and snow showers, then rain and snow
showers likely. South gales to 35 knots. Waves 8 to 12 feet.
.MONDAY...Chance of snow showers after midnight. Northwest winds
10 to 15 knots. Waves 6 to 9 feet.
.TUESDAY...Chance of snow showers. South winds 10 to 15 knots.
Waves 2 to 4 feet.
$$
LOZ064-065-282100-
Lake Ontario open waters from Sodus Bay to Mexico Bay-
Lake Ontario open waters from Mexico Bay to the Saint Lawrence
River-
952 AM EST Fri Nov 28 2025
...GALE WARNING IN EFFECT UNTIL 7 PM EST THIS EVENING...
.This Afternoon...
Weather.............Cloudy.
Sfc winds...........West gales to 40 knots.
100-ft winds........West storm force winds to 50 knots.
Sig waves...........12 to 16 feet.
Ocnl waves..........Around 21 feet.
.TONIGHT...
Weather.............Mostly cloudy with chance of snow showers, then
mostly cloudy after midnight.
Sfc winds...........West gales to 35 knots becoming northwest to 30
knots after midnight.
100-ft winds........West gales to 45 knots becoming northwest at 35
knots after midnight.
Sig waves...........10 to 14 feet.
Ocnl waves..........Around 18 feet.
.SATURDAY...
Weather.............Partly sunny.
Sfc winds...........Northwest 20 to 25 knots becoming west 10 to 15
knots in the afternoon.
100-ft winds........Northwest to 30 knots becoming west 15 to 20
knots in the afternoon.
Sig waves...........6 to 9 feet subsiding to 4 to 6 feet in the
afternoon.
Ocnl waves..........Around 11 feet subsiding to around 7 feet in
the afternoon.
.SATURDAY NIGHT...
Weather.............Cloudy, then snow showers after midnight.
Sfc winds...........Southwest 5 to 10 knots increasing to southeast
20 to 25 knots after midnight.
100-ft winds........Southwest 10 to 15 knots increasing to
southeast to 30 knots after midnight.
Sig waves...........2 to 4 feet building to 5 to 7 feet after
midnight.
Ocnl waves..........Around 8 feet after midnight.
.FORECAST DAYS 3 THROUGH 5......
.SUNDAY...Windy. Snow showers. Showers. chance of snow showers.
South gales to 35 knots. Waves 10 to 14 feet.
.MONDAY...Chance of snow showers after midnight. Northwest winds
10 to 15 knots. Waves 6 to 9 feet.
.TUESDAY...Chance of snow showers. Southeast winds 10 to
15 knots. Waves 2 to 4 feet.
$$
LOZ061-282100-
MAFOR 2816/
ONTARIO WEST 1/2...GALE WARNING IN EFFECT...11650 12640 11630
12730 11720 11610. A chance of snow showers this afternoon and
evening. Waves 9 to 13 feet this afternoon. Waves 8 to 11 feet
subsiding to 4 to 7 feet tonight. Waves 3 to 6 feet subsiding to
2 to 4 feet Saturday morning.
ONTARIO EAST 1/2...GALE WARNING IN EFFECT...12650 13740 12730
11720. A chance of snow showers. Waves 10 to 14 feet this
afternoon. Waves 10 to 14 feet subsiding to 6 to 10 feet tonight.
Waves 4 to 7 feet subsiding to 3 to 6 feet Saturday morning.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet / 2 meters.