Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 142345
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
645 PM EST Thu Dec 14 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 30.1 inch high will build into the Ohio Valley
tonight before moving off the Mid Atlantic coast Friday. A 29.6
inch low will then move from near Lake Huron Friday to New England
by Saturday. Then a 30.5 inch high will build across southern
Ontario Saturday night and into New England Sunday.

LOZ062-150400-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
645 PM EST Thu Dec 14 2017

.TONIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of snow showers. Waves 2 to 4 feet.
.FRIDAY...Southwest winds 15 to 20 knots. A chance of snow
showers in the morning, then steadier lake effect snow developing
in the afternoon. Waves 2 to 4 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. Snow in the evening, then just scattered
snow showers overnight. Waves building to 6 to 10 feet. Waves
occasionally around 13 feet.
.SATURDAY...West winds to 30 knots becoming north and diminishing
to 10 to 15 knots in the afternoon. Snow showers likely in the
morning, then just a chance of snow showers in the afternoon.
Waves 6 to 9 feet subsiding to 1 to 3 feet. Waves occasionally
around 11 feet.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. A chance of
snow showers in the evening. Waves 1 to 3 feet.
.SUNDAY...East winds 10 to 15 knots. A chance of snow showers
Sunday night. Waves 1 to 3 feet.
.MONDAY...South winds 10 to 15 knots. A chance of rain and snow
showers. Waves 2 feet or less.
.TUESDAY...Southwest winds 10 to 15 knots. Rain likely. Waves 1
to 3 feet.

$$

LOZ063>065-150400-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
645 PM EST Thu Dec 14 2017

.TONIGHT...Northwest winds 15 to 20 knots becoming west. Lake
effect snow showers. Waves 3 to 6 feet.
.FRIDAY...Southwest winds 15 to 20 knots becoming south. Lake
effect snow showers early, then just a chance of snow showers
late. Waves 3 to 5 feet.
.FRIDAY NIGHT...South winds 15 to 25 knots becoming west to
30 knots. Snow showers likely in the evening, then steadier lake
effect snow overnight. Waves building to 8 to 11 feet. Waves
occasionally around 14 feet.
.SATURDAY...West winds to 30 knots becoming northwest and
diminishing to 10 to 15 knots in the afternoon. Lake effect snow
in the morning, then just a chance of snow showers in the
afternoon. Waves 8 to 11 feet subsiding to 3 to 6 feet. Waves
occasionally around 14 feet.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots. Waves 2 to 4
feet subsiding to 2 feet or less.
.SUNDAY...East winds 10 to 15 knots. A chance of snow showers
Sunday night. Waves 1 to 3 feet.
.MONDAY...Southeast winds 10 to 15 knots. A chance of rain and
snow showers. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 15 to 20 knots. Rain likely. Waves building
to 5 to 8 feet. Waves occasionally around 10 feet.

$$

LOZ061-150400-
MAFOR 1501 AMD/
ONTARIO WEST 1/2 12620 11610 11520 12510 11517. A chance of snow
showers tonight and Friday afternoon. Waves 3 to 5 feet tonight.
Waves 2 to 4 feet Friday.

ONTARIO EAST 1/2 11620 12627 12527 11520 11420. A chance of snow
showers Friday afternoon. Waves 3 to 6 feet tonight. Waves 2 to 4
feet building to 3 to 5 feet Friday.

$$


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