Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 101737
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1237 PM EST Sun Dec 10 2017

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 29.6 inch low will move from the Upper Great Lakes
will pass by to the north of the lake today...with a cold front
dropping across the lake tonight. A weak ridge of high pressure
averaging 30.0 inches will move across the lake Monday. Another
29.6 inch low will drop across the lower Great Lakes Tuesday. 30.1
inch high pressure will build briefly across the lower lakes
Wednesday night and Thursday.

LOZ062-102215-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1237 PM EST Sun Dec 10 2017

.THIS AFTERNOON...West winds to 30 knots. Scattered snow showers.
Waves 5 to 8 feet. Waves occasionally around 10 feet.
.TONIGHT...West winds 15 to 25 knots becoming northwest.
Scattered snow showers through the early overnight. Waves 5 to
9 feet subsiding to 3 to 5 feet. Waves occasionally around
11 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming southeast 5 to
15 knots. Scattered snow showers. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Snow. Waves 1 to
3 feet building to 2 to 4 feet.
.TUESDAY...East winds 10 to 15 knots becoming northwest 15 to
20 knots. Lake effect snow. Waves 1 to 3 feet building to 3 to
6 feet.
.WEDNESDAY...Northwest winds to 30 knots diminishing to 15 to
20 knots. Lake effect snow showers. Waves 3 to 6 feet subsiding
to 2 to 4 feet.
.THURSDAY...West winds 5 to 15 knots becoming south. A chance of
snow showers. Waves 1 to 3 feet.

$$

LOZ063>065-102215-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1237 PM EST Sun Dec 10 2017

.THIS AFTERNOON...Southwest winds to 30 knots becoming west. Lake
effect snow early, then scattered lake effect snow showers late.
Waves 5 to 9 feet. Waves occasionally around 11 feet.
.TONIGHT...West winds 15 to 25 knots becoming northwest. Lake
effect snow showers likely early, then lake effect snow. Lake
effect snow showers likely late. Waves 5 to 9 feet subsiding to
4 to 7 feet. Waves occasionally around 11 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming southwest and
diminishing to less than 10 knots in the afternoon. Scattered
snow showers in the morning. Waves 3 to 5 feet subsiding to 2 to
4 feet.
.MONDAY NIGHT...Southeast winds 5 to 10 knots increasing to 15 to
20 knots. Snow. Waves 2 feet or less building to 2 to 4 feet.
.TUESDAY...Southeast winds 10 to 15 knots becoming northwest
15 to 20 knots. Lake effect snow. Waves 2 to 4 feet building to
5 to 8 feet. Waves occasionally around 10 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots increasing to
30 knots. Lake effect snow showers. Waves 5 to 8 feet subsiding
to 3 to 6 feet. Waves occasionally around 10 feet.
.THURSDAY...Northwest winds 15 to 20 knots becoming south. A
chance of snow showers. Waves 2 to 4 feet subsiding to 1 to
3 feet.

$$

LOZ061-102215-
MAFOR 1016/
ONTARIO WEST 1/2 14630 11630 11720 12710. Scattered snow showers
late this morning, this evening, and Monday morning. Waves 5 to 8
feet building to 6 to 9 feet this afternoon. Waves 5 to 9 feet
subsiding to 3 to 6 feet tonight. Waves 2 to 4 feet Monday
morning.

ONTARIO EAST 1/2 11537 11637 11630 12637 11727 12710. Scattered
snow showers Monday morning. Waves 5 to 8 feet building to 6 to 9
feet this afternoon. Waves 5 to 9 feet subsiding to 4 to 7 feet
tonight. Waves 3 to 5 feet subsiding to 2 to 4 feet Monday
morning.

$$

HITCHCOCK



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