Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

NZUS99 KBUF 022052
GLFLOT

Experimental Tabular Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
352 PM EST Tue Dec 2 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 29.6 inch surface low off the Carolina coastline
this morning will deepen to 28.9 inches over southern Atlantic
Canada by early Wednesday morning before going out to sea. A 30.2
inch surface high will build across the Ohio Valley and Lower Great
Lakes later Wednesday into Thursday morning before pushing off the
coast. A large 29.2 inch surface low near Hudson Bay will push its
cold front across the lake Wednesday night, with another 30.4 inch
high building in its wake Thursday night. The high will then quickly
move east of the lake Friday. Another cold front will cross the Lake
late Saturday and Saturday night, this from a 29.3 inch low near
northern James Bay.

LOZ062-030300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
352 PM EST Tue Dec 2 2025

.Tonight...
Weather.............Mostly cloudy.
Sfc winds...........North 5 to 10 knots becoming west after
                              midnight.
100-ft winds........North 10 to 15 knots becoming west after
                              midnight.
Sig waves...........2 to 4 feet.

.WEDNESDAY...
Weather.............Mostly cloudy.
Sfc winds...........Southwest 15 to 20 knots increasing to 30 knots
                              in the afternoon.
100-ft winds........Southwest 20 to 25 knots increasing to 35 knot
                              gales in the afternoon.
Sig waves...........4 to 6 feet building to 8 to 12 feet in the
                              afternoon.
Ocnl waves..........Around 7 feet building to around 13 feet in the
                              afternoon.

.WEDNESDAY NIGHT...
Weather.............Cloudy with chance of snow showers.
Sfc winds...........West to 30 knots.
100-ft winds........West gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 14 feet.

.THURSDAY...
Weather.............Mostly cloudy with chance of snow showers.
Sfc winds...........West gales to 35 knots becoming northwest to 30
                              knots in the afternoon.
100-ft winds........West gales to 45 knots becoming northwest at 35
                              knots in the afternoon.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 15 feet.

.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Northwest 15 to 20 knots becoming southwest 10
                              to 15 knots after midnight.
100-ft winds........Northwest 20 to 25 knots becoming southwest 15
                              to 20 knots after midnight.
Sig waves...........6 to 9 feet subsiding to 3 to 5 feet after
                              midnight.
Ocnl waves..........Around 10 feet subsiding to around 5 feet after
                              midnight.

.FORECAST DAYS 3 THROUGH 5......
.FRIDAY...South winds 15 to 20 knots. Waves 4 to 6 feet.
.SATURDAY...Breezy. Chance of snow showers. Southwest winds 20 to
25 knots. Waves 4 to 6 feet.
.SUNDAY...Chance of snow showers after midnight. Northwest winds
10 to 15 knots. Waves 2 to 4 feet.

$$

LOZ063-030300-
Lake Ontario open waters from Hamlin Beach to Sodus Bay-
352 PM EST Tue Dec 2 2025

.Tonight...
Weather.............Mostly cloudy with chance of snow showers, then
                              mostly cloudy after midnight.
Sfc winds...........Northeast 10 to 15 knots becoming north 5 to 10
                              knots after midnight.
100-ft winds........Northeast 15 to 20 knots becoming north 10 to
                              15 knots after midnight.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
                              midnight.
Ocnl waves..........Around 5 feet in the evening.

.WEDNESDAY...
Weather.............Mostly cloudy.
Sfc winds...........Southwest 10 to 15 knots increasing to 20 to 25
                              knots in the afternoon.
100-ft winds........Southwest 15 to 20 knots increasing to 30 knots
                              in the afternoon.
Sig waves...........2 to 4 feet building to 5 to 7 feet in the
                              afternoon.
Ocnl waves..........Around 5 feet building to around 9 feet in the
                              afternoon.

.WEDNESDAY NIGHT...
Weather.............Snow showers, then snow showers likely after
                              midnight.
Sfc winds...........Southwest to 30 knots.
100-ft winds........Southwest gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 14 feet.

.THURSDAY...
Weather.............Snow showers likely, then partly sunny with
                              chance of snow showers in the afternoon.
Sfc winds...........Northwest gales to 35 knots.
100-ft winds........Northwest gales to 45 knots.
Sig waves...........12 to 16 feet.
Ocnl waves..........Around 19 feet.

.THURSDAY NIGHT...
Weather.............Mostly cloudy.
Sfc winds...........Northwest 20 to 25 knots becoming west 10 to 15
                              knots after midnight.
100-ft winds........Northwest to 30 knots becoming west 15 to 20
                              knots after midnight.
Sig waves...........8 to 12 feet subsiding to 4 to 6 feet after
                              midnight.
Ocnl waves..........Around 15 feet subsiding to around 8 feet after
                              midnight.

.FORECAST DAYS 3 THROUGH 5......
.FRIDAY...South winds 15 to 20 knots. Waves 3 to 5 feet.
.SATURDAY...Breezy. Chance of snow showers. Southwest winds 20 to
25 knots. Waves 5 to 7 feet.
.SUNDAY...Northwest winds 10 to 15 knots. Waves 3 to 5 feet.

$$

LOZ064-065-030300-
Lake Ontario open waters from Sodus Bay to Mexico Bay-
Lake Ontario open waters from Mexico Bay to the Saint Lawrence
River-
352 PM EST Tue Dec 2 2025

.Tonight...
Weather.............Mostly cloudy.
Sfc winds...........North 10 to 15 knots.
100-ft winds........North 15 to 20 knots.
Sig waves...........3 to 5 feet subsiding to 2 to 4 feet after
                              midnight.
Ocnl waves..........Around 5 feet in the evening.

.WEDNESDAY...
Weather.............Mostly cloudy with chance of snow showers, then
                              mostly cloudy in the afternoon.
Sfc winds...........Southwest 10 to 15 knots increasing to 20 to 25
                              knots in the afternoon.
100-ft winds........Southwest 15 to 20 knots increasing to 30 knots
                              in the afternoon.
Sig waves...........2 to 4 feet building to 6 to 9 feet in the
                              afternoon.
Ocnl waves..........Around 10 feet in the afternoon.

.WEDNESDAY NIGHT...
Weather.............Cloudy with chance of snow showers, then snow
                              showers after midnight.
Sfc winds...........Southwest to 30 knots.
100-ft winds........Southwest gales to 35 knots.
Sig waves...........8 to 12 feet.
Ocnl waves..........Around 15 feet.

.THURSDAY...
Weather.............Snow showers likely, then partly sunny in the
                              afternoon.
Sfc winds...........Northwest gales to 35 knots.
100-ft winds........Northwest gales to 45 knots.
Sig waves...........12 to 16 feet.
Ocnl waves..........Around 19 feet.

.THURSDAY NIGHT...
Weather.............Partly cloudy, then chance of snow showers
                              after midnight.
Sfc winds...........Northwest to 30 knots decreasing to 10 to 15
                              knots after midnight.
100-ft winds........Northwest gales to 35 knots decreasing to 15 to
                              20 knots after midnight.
Sig waves...........10 to 14 feet subsiding to 4 to 6 feet after
                              midnight.
Ocnl waves..........Around 16 feet subsiding to around 8 feet after
                              midnight.

.FORECAST DAYS 3 THROUGH 5......
.FRIDAY...Breezy. Chance of snow showers after midnight. South
winds 20 to 25 knots. Waves 5 to 7 feet.
.SATURDAY...Breezy. Snow showers likely. chance of snow showers
after midnight. South winds 20 to 25 knots. Waves 5 to 7 feet.
.SUNDAY...Chance of snow showers in the morning. chance of snow
showers after midnight. Northwest winds 10 to 15 knots. Waves
3 to 5 feet.

$$

LOZ061-030300-
MAFOR 0222/
ONTARIO WEST 1/2 11810 19817 11800 11700 11600 11510 11520 11530
11540. Waves 1 to 3 feet subsiding to 1 foot or less tonight.
Waves 1 to 2 feet building to 5 to 8 feet Wednesday.

ONTARIO EAST 1/2 11110 19117 11810 11800 11700 11610 11510 11520
11530. Waves 1 to 3 feet tonight. Waves 1 to 3 feet building to 3
to 6 feet Wednesday.

$$