Great Lakes Forecast
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000
FZUS61 KBUF 111125
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
625 AM EST Mon Dec 11 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 weak ridge of high pressure averaging 30.0 inches will
move across the lake today. Another 29.6 inch low will then track
across the Lower Great Lakes Tuesday. Following the passage of
this system, 30.1 inch high pressure will build briefly across
the lower lakes Wednesday night and Thursday.

LOZ062-111600-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
625 AM EST Mon Dec 11 2017

.TODAY...North winds 10 to 15 knots becoming southeast 5 to
10 knots. Scattered flurries this morning. Waves 1 to 3 feet
subsiding to 1 foot or less.
.TONIGHT...Southeast winds 10 to 15 knots increasing to 15 to
20 knots. Snow. Waves 1 to 3 feet building to 2 to 4 feet.
.TUESDAY...East winds 10 to 15 knots becoming northwest 15 to
20 knots. Snow. Waves 1 to 3 feet building to 2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 15 to 25 knots. Lake effect
snow. Waves 3 to 6 feet.
.WEDNESDAY...Northwest winds to 30 knots diminishing to 15 to
20 knots. Lake effect snow showers. Waves 3 to 6 feet subsiding
to 2 to 4 feet.
.THURSDAY...Northeast winds 10 to 15 knots becoming south. A
chance of snow showers. Waves 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 15 knots becoming west. A chance
of snow showers. Waves 2 to 4 feet.

$$

LOZ063>065-111600-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
625 AM EST Mon Dec 11 2017

.TODAY...Northwest winds 15 to 20 knots becoming southeast and
diminishing to 10 knots or less this afternoon. Scattered snow
showers this morning, then scattered flurries early this
afternoon. Waves 3 to 5 feet subsiding to 1 to 3 feet.
.TONIGHT...Southeast winds 10 to 15 knots increasing to 15 to
20 knots. Snow. Waves 2 feet or less building to 2 to 4 feet.
.TUESDAY...Southeast winds 15 to 20 knots becoming west. Snow.
Waves 2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 15 to 25 knots. Lake effect snow
in the evening, then lake effect snow showers overnight. Waves
3 to 6 feet building to 5 to 8 feet. Waves occasionally around
10 feet.
.WEDNESDAY...West gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots. Lake effect snow showers. Waves
5 to 8 feet subsiding to 3 to 6 feet. Waves occasionally around
10 feet.
.THURSDAY...North winds 10 to 15 knots becoming south 15 to
20 knots. A chance of snow showers. Waves 2 to 4 feet subsiding
to 1 to 3 feet.
.FRIDAY...South winds 10 to 15 knots becoming west. A chance of
snow showers. Waves 1 to 3 feet building to 3 to 5 feet.

$$

LOZ061-111600-
MAFOR 1110 AMD/
ONTARIO WEST 1/2 11820 11810 11100 11300 11310 12317 11327.
Scattered snow showers this morning. Waves 2 to 4 feet subsiding
to 1 foot or less today. Waves 1 to 3 feet building to 2 to 4
feet tonight.

ONTARIO EAST 1/2 11720 11710 11700 11200 11310 11317 12327.
Scattered snow showers this morning. Waves 3 to 5 feet subsiding
to 1 to 3 feet today. Waves 1 to 3 feet building to 2 to 4 feet
tonight.

$$

JJR/SMITH/TMA



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