Great Lakes Forecast
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000
FZUS61 KBUF 181450
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
950 AM EST Thu Jan 18 2018

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 29.5 inch low will move east across northern Quebec
and Labrador through this afternoon. Meanwhile an expansive 30.8
inch high centered over the lower Mississippi Valley will drift to
the east across the southeast states Thursday and Friday. The
high will become anchored off the southeast coast Saturday and
Sunday. At the same time, a 29.2 inch low will track from
northern Ontario to Labrador from Friday through Saturday night.

LOZ062-182200-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
950 AM EST Thu Jan 18 2018

.REST OF TODAY...West winds to 30 knots becoming southwest. Waves
5 to 8 feet. Waves occasionally around 10 feet.
.TONIGHT...Southwest winds to 30 knots. Scattered flurries early,
then scattered snow showers from late evening on. Waves 4 to
7 feet. Waves occasionally around 9 feet.
.FRIDAY...Southwest winds 15 to 25 knots. A chance of snow
showers in the morning. Waves 4 to 7 feet subsiding to 3 to
5 feet. Waves occasionally around 9 feet.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots increasing to
30 knots. Waves 3 to 6 feet building to 7 to 10 feet. Waves
occasionally around 13 feet.
.SATURDAY...Southwest winds to 30 knots becoming west 15 to
25 knots. Waves 6 to 10 feet subsiding to 3 to 5 feet. Waves
occasionally around 13 feet.
.SUNDAY...West winds 10 to 15 knots becoming east and increasing
to 15 to 25 knots. A chance of rain Sunday night. Waves 1 to
3 feet building to 3 to 6 feet.
.MONDAY...East winds 15 to 25 knots becoming southwest. A chance
of rain during the day, then rain likely Monday night. Waves 3 to
6 feet subsiding to 3 to 5 feet.

$$

LOZ063>065-182200-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
950 AM EST Thu Jan 18 2018

.REST OF TODAY...West winds to 30 knots diminishing to 15 to
25 knots. Scattered lake effect snow showers late this morning,
then lake effect snow this afternoon. Waves 5 to 9 feet subsiding
to 4 to 7 feet. Waves occasionally around 11 feet.
.TONIGHT...West winds 15 to 25 knots. Lake effect snow showers
likely. Waves 3 to 6 feet building to 4 to 7 feet. Waves
occasionally around 9 feet.
.FRIDAY...West winds 15 to 20 knots becoming southwest. Snow
showers likely in the morning, then a chance of snow showers in
the afternoon. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves
occasionally around 9 feet.
.FRIDAY NIGHT...Southwest winds 15 to 25 knots increasing to
30 knots. Waves 3 to 5 feet building to 6 to 9 feet. Waves
occasionally around 11 feet.
.SATURDAY...Southwest winds to 30 knots becoming west 15 to
25 knots. Waves 7 to 10 feet subsiding to 3 to 6 feet. Waves
occasionally around 13 feet.
.SUNDAY...West winds 5 to 15 knots becoming east and increasing
to 15 to 25 knots. A chance of rain and snow Sunday night. Waves
2 to 4 feet building to 3 to 5 feet.
.MONDAY...Southeast winds 15 to 25 knots becoming southwest. Rain
and snow likely during the day, then rain likely Monday night.
Waves 3 to 6 feet building to 4 to 7 feet, then subsiding to 3 to
6 feet. Waves occasionally around 9 feet.

$$

LOZ061-182200-
MAFOR 1816/
ONTARIO WEST 1/2 12630 14530 11530 11520. A chance of snow
showers tonight and Friday morning. Waves 5 to 8 feet, and
occasionally around 8 feet.

ONTARIO EAST 1/2 12637 11627 11620 11537 11637 11630 11520. A
chance of snow showers Friday morning. Waves 5 to 9 feet
subsiding to 4 to 7 feet, and occasionally around 11 feet this
afternoon. Waves 3 to 6 feet building to 4 to 7 feet, and
occasionally around 9 feet tonight. Waves 4 to 7 feet subsiding
to 3 to 6 feet, and occasionally around 9 feet Friday morning.

$$

JJR/SMITH/WOOD



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