Great Lakes Forecast
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670
FZUS61 KBUF 111442
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
942 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.

LOZ062-112215-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
942 AM EST Mon Dec 11 2017

.REST OF TODAY...North winds 5 to 10 knots becoming southeast. A
chance of snow showers late 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.
.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. Snow. Waves 3 to
6 feet building to 5 to 8 feet. Waves occasionally around
10 feet.
.WEDNESDAY...Northwest winds to 30 knots diminishing to 15 to
20 knots. Lake effect snow. Waves 6 to 10 feet subsiding to 3 to
5 feet. Waves occasionally around 13 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 1 to 3 feet building to 2 to 4 feet.

$$

LOZ063>065-112215-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
942 AM EST Mon Dec 11 2017

.REST OF TODAY...Northwest winds 10 to 15 knots becoming
southeast 10 knots or less. A chance of snow showers late this
morning. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.TONIGHT...Southeast winds 10 to 15 knots increasing to 15 to
20 knots. A chance of snow early, then snow from late evening on.
Waves 1 to 3 feet building to 2 to 4 feet.
.TUESDAY...Southeast winds 15 to 20 knots becoming west. Snow.
Waves 2 to 4 feet subsiding to 1 to 3 feet.
.TUESDAY NIGHT...Northwest winds 15 to 25 knots. Snow. Waves 3 to
6 feet building to 6 to 9 feet. Waves occasionally around
11 feet.
.WEDNESDAY...West gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots. Lake effect snow. Waves 8 to
11 feet building to 9 to 13 feet, then subsiding to 5 to 8 feet.
Waves occasionally around 16 feet.
.THURSDAY...North winds 10 to 15 knots becoming south 15 to
20 knots. A chance of snow showers. Waves 1 to 3 feet building to
2 to 4 feet.
.FRIDAY...South winds 10 to 15 knots becoming west. A chance of
snow showers. Waves 2 to 4 feet.

$$

LOZ061-112215-
MAFOR 1116/
ONTARIO WEST 1/2 11100 11300 11310 12317 12327 11217. Waves 1 to
3 feet subsiding to 1 foot or less this afternoon. Waves 1 to 3
feet building to 2 to 4 feet tonight. Waves 2 to 4 feet Tuesday
morning.

ONTARIO EAST 1/2 11700 11200 11310 11317 14327. Waves 2 to 4 feet
subsiding to 1 to 3 feet this afternoon. Waves 1 to 3 feet
building to 2 to 4 feet tonight. Waves 2 to 4 feet Tuesday
morning.

$$


AR



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