Great Lakes Forecast
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000
FZUS61 KBUF 152316
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
616 PM EST Fri Dec 15 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 across southern Ontario
province tonight and to New England by Saturday. Then a 30.4 inch
high will build across southern Ontario Saturday night and into
New England Sunday and Monday.

LOZ062-160430-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
616 PM EST Fri Dec 15 2017

.TONIGHT...Southwest winds to 30 knots becoming west. Lake effect
snow early, then snow showers likely late this evening. Waves
3 to 6 feet building to 7 to 10 feet. Waves occasionally around
13 feet.
.SATURDAY...West winds 15 to 25 knots becoming northwest.
Scattered snow showers in the morning, then scattered flurries in
the afternoon. Waves 5 to 8 feet subsiding to 2 to 4 feet. Waves
occasionally around 10 feet.
.SATURDAY NIGHT...Northwest winds 5 to 15 knots becoming
northeast. Waves 1 to 3 feet.
.SUNDAY...East winds 10 to 15 knots increasing to 15 to 20 knots.
Waves 1 to 3 feet building to 2 to 4 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots becoming south 5 to
15 knots. A chance of snow and rain showers. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.MONDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of rain showers. Waves 1 to 3 feet building to
2 to 4 feet.
.TUESDAY...Southwest winds to 30 knots becoming west. A chance of
rain showers during the day, then a chance of snow and rain
showers Tuesday night. Waves 3 to 6 feet building to 4 to 7 feet.
Waves occasionally around 9 feet.
.WEDNESDAY...West winds 15 to 25 knots diminishing to 10 to
15 knots. A chance of snow showers. Waves 4 to 7 feet subsiding
to 2 to 4 feet. Waves occasionally around 9 feet.

$$

LOZ063>065-160430-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
616 PM EST Fri Dec 15 2017

.TONIGHT...Southwest winds 15 to 25 knots becoming west to
30 knots. A chance of snow showers early, then lake effect snow
from late evening on with some rumbles of thunder possible. Waves
3 to 5 feet building to 7 to 10 feet. Waves occasionally around
13 feet.
.SATURDAY...West winds to 30 knots becoming northwest and
diminishing to 15 to 20 knots. Lake effect snow showers likely
early, then scattered snow showers. Scattered flurries late.
Waves 7 to 10 feet subsiding to 3 to 6 feet. Waves occasionally
around 13 feet.
.SATURDAY NIGHT...Northwest winds 5 to 15 knots becoming north.
Waves 3 to 5 feet subsiding to 1 to 3 feet.
.SUNDAY...Northeast winds 5 to 15 knots becoming east. Waves 1 to
3 feet.
.SUNDAY NIGHT...East winds 5 to 15 knots becoming south. A chance
of snow showers in the evening, then a chance of snow and rain
showers overnight. Waves 1 to 3 feet.
.MONDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of rain and snow showers during the day, then
a chance of rain showers Monday night. Waves 1 to 3 feet building
to 2 to 4 feet.
.TUESDAY...Southwest winds 15 to 25 knots becoming west to
30 knots. Rain showers likely during the day, then rain and snow
showers likely Tuesday night. Waves 3 to 6 feet building to 5 to
8 feet. Waves occasionally around 10 feet.
.WEDNESDAY...West winds 15 to 25 knots becoming northwest. Snow
showers likely. Waves 5 to 8 feet subsiding to 3 to 6 feet. Waves
occasionally around 10 feet.

$$

LOZ061-160430-
MAFOR 1522/
ONTARIO WEST 1/2 11537 13640 11630 13720. A chance of
thunderstorms this evening. A chance of snow showers Saturday
morning. Waves 2 to 3 feet building to 7 to 10 feet tonight.
Waves 6 to 9 feet subsiding to 3 to 5 feet Saturday.

ONTARIO EAST 1/2 11420 11530 13647 11730 12720. A chance of snow
showers this evening. A chance of thunderstorms overnight. A
chance of snow showers Saturday morning, then scattered snow
showers Saturday afternoon. Waves 2 to 4 feet building to 7 to 10
feet tonight. Waves 7 to 10 feet subsiding to 3 to 6 feet
Saturday.

$$



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