Great Lakes Forecast
Issued by NWS

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000
FZUS61 KBUF 081142
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
642 AM EST Fri Dec 8 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 over the upper Great Lakes today will
pass to the north of the lake tonight. Another 29.6 inch low will
move from the Upper Great Lakes across the lake late Saturday and
Saturday night. 30.2 inch high pressure over the Tennessee Valley
will briefly nudge toward the lower lakes on Sunday. A cold front
will drop across the lake on Monday.

LOZ062-081615-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
642 AM EST Fri Dec 8 2017

.TODAY...Southwest winds 15 to 25 knots increasing to 30 knots. A
chance of snow showers through early afternoon, then a chance of
flurries late. Waves 5 to 8 feet. Waves occasionally around
10 feet.
.TONIGHT...Southwest winds to 30 knots diminishing to 10 to 15
knots after midnight. A chance of flurries after midnight. Waves 5
to 8 feet subsiding to 2 to 4 feet. Waves occasionally around 10
feet.
.SATURDAY...South winds 5 to 15 knots becoming southwest. A
chance of flurries in the morning, then a chance of snow showers
in the afternoon. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming
northwest 15 to 20 knots. Snow showers likely. Waves 1 to 2 feet
building to 2 to 4 feet.
.SUNDAY...Northwest winds 15 to 25 knots. A chance of flurries
during the day, then a chance of snow showers Sunday night. Waves
3 to 6 feet building to 5 to 8 feet. Waves occasionally around
10 feet.
.MONDAY...North winds 15 to 20 knots becoming east. A chance of
snow during the day, then snow likely Monday night. Waves 3 to
5 feet subsiding to 2 to 4 feet.
.TUESDAY...North winds 15 to 20 knots becoming northwest 10 to
15 knots. Snow during the day, then snow showers likely Tuesday
night. Waves 2 to 4 feet.

$$

LOZ063>065-081615-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
642 AM EST Fri Dec 8 2017

.TODAY...Southwest winds 15 to 25 knots. A chance of snow showers
early, then a chance of flurries from late morning on. Waves 4 to
7 feet. Waves occasionally around 9 feet.
.TONIGHT...Southwest winds 15 to 25 knots diminishing to 10 to 15
knots. Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves
occasionally around 9 feet.
.SATURDAY...South winds 5 to 15 knots. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming
northwest 15 to 20 knots. A chance of snow showers in the
evening, then snow overnight. Waves 1 to 3 feet.
.SUNDAY...Northwest winds 15 to 25 knots becoming west. Snow
during the day, then snow showers likely Sunday night. Waves 5 to
8 feet. Waves occasionally around 10 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming southeast 5 to
15 knots. A chance of snow during the day, then snow likely
Monday night. Waves 4 to 7 feet subsiding to 1 to 3 feet. Waves
occasionally around 9 feet.
.TUESDAY...West winds 10 to 15 knots becoming north. Snow during
the day, then snow showers likely Tuesday night. Waves 1 to 3
feet building to 2 to 4 feet.

$$

LOZ061-081615-
MAFOR 0810/
ONTARIO WEST 1/2 11630 12530 12540 11530 11520 11510. A chance of
snow showers today. Waves 5 to 8 feet today. Waves 5 to 8 feet
subsiding to 3 to 6 feet tonight.

ONTARIO EAST 1/2 12530 11520 14530 11510. A chance of snow
showers this morning. Waves 4 to 7 feet today. Waves 4 to 7 feet
subsiding to 3 to 6 feet tonight.

$$



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