Great Lakes Forecast
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000
FZUS61 KBUF 151445
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
930 AM 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 30.1 inch high will move off the Mid Atlantic coast
today. A 29.6 inch low will then move from near Lake Huron this
afternoon to New England by Saturday. Then a 30.5 inch high will
build across southern Ontario Saturday night and into New England
Sunday.

LOZ062-152200-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
930 AM EST Fri Dec 15 2017

.REST OF TODAY...Southwest winds 10 to 15 knots increasing to
15 to 20 knots. A chance of snow showers late this morning, then
lake effect snow this afternoon. Waves 1 to 3 feet.
.TONIGHT...Southwest winds 15 to 25 knots becoming west to
30 knots. Lake effect snow early, then snow showers likely late
in the evening. Scattered snow showers after midnight. Waves 3 to
5 feet building to 6 to 9 feet. Waves occasionally around
11 feet.
.SATURDAY...West winds 15 to 25 knots becoming northwest. Snow
showers likely in the morning, then a chance of snow showers in
the afternoon. Waves 6 to 9 feet subsiding to 3 to 6 feet. Waves
occasionally around 11 feet.
.SATURDAY NIGHT...Northwest winds 5 to 15 knots becoming east.
Waves 2 to 4 feet subsiding to 1 foot or less.
.SUNDAY...East winds 5 to 15 knots becoming southwest. A chance
of snow and rain showers Sunday night. Waves 1 to 3 feet.
.MONDAY...Southwest winds 5 to 15 knots. A chance of rain and
snow showers during the day, then a chance of rain showers Monday
night. Waves 2 feet or less.
.TUESDAY...Southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. Rain showers likely during the day, then
a chance of rain and snow showers Tuesday night. Waves 2 to
4 feet building to 5 to 8 feet. Waves occasionally around
10 feet.

$$

LOZ063>065-152200-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
930 AM EST Fri Dec 15 2017

.REST OF TODAY...Southwest winds 15 to 20 knots becoming south
10 to 15 knots. A chance of snow showers this afternoon. Waves
2 to 4 feet.
.TONIGHT...Southwest winds 15 to 25 knots becoming west to
30 knots. Snow showers likely early, then lake effect snow from
late evening on. Waves 3 to 6 feet building to 8 to 11 feet.
Waves occasionally around 14 feet.
.SATURDAY...West winds to 30 knots becoming northwest 15 to
25 knots. Snow showers likely in the morning, then a chance of
snow showers in the afternoon. Waves 6 to 10 feet subsiding to
5 to 8 feet. Waves occasionally around 13 feet.
.SATURDAY NIGHT...Northwest winds 5 to 15 knots diminishing to
less than 10 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.SUNDAY...Southeast winds 5 to 15 knots becoming southwest. A
chance of snow and rain showers Sunday night. Waves 1 foot or
less building to 1 to 3 feet.
.MONDAY...Southwest winds 5 to 15 knots. A chance of rain and
snow showers during the day, then a chance of rain showers Monday
night. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 15 to 20 knots becoming west and
increasing to 30 knots. Rain showers likely during the day, then
rain and snow showers likely Tuesday night. Waves 3 to 5 feet
building to 7 to 10 feet. Waves occasionally around 13 feet.

$$

LOZ061-152200-
MAFOR 1516/
ONTARIO WEST 1/2 12517 11527 11630 13640 11630. A chance of snow
showers late this morning. Scattered snow showers overnight. A
chance of snow showers Saturday morning. Waves 1 to 3 feet this
afternoon. Waves 3 to 5 feet building to 6 to 10 feet, and
occasionally around 13 feet tonight. Waves 5 to 9 feet, and
occasionally around 11 feet Saturday morning.

ONTARIO EAST 1/2 11520 11410 11527 11537 11637 12647 11630.
Scattered snow showers this afternoon. A chance of snow showers
Saturday morning. Waves 2 to 4 feet this afternoon. Waves 2 to 4
feet building to 8 to 11 feet, and occasionally around 14 feet
tonight. Waves 6 to 10 feet, and occasionally around 13 feet
Saturday morning.

$$



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