Great Lakes Forecast
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000
FZUS61 KBUF 121740
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1240 PM EST Sun Nov 12 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 30.6 inch high over Maine will slowly drift across
Nova Scotia this afternoon. A weak 30.3 inch low with warm front
will track south of the lake tonight. A 30.5 inch high over the
Upper Great lakes will then build across Lake Ontario Monday and
Tuesday. A cold front will then approach the lake from the west
late Wednesday.

LOZ062-122215-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1240 PM EST Sun Nov 12 2017

.THIS AFTERNOON...South winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.TONIGHT...Southeast winds 10 knots or less. A chance of rain
showers. Waves 1 foot or less.
.MONDAY...Southeast winds less than 10 knots becoming north.
Waves 1 foot or less.
.MONDAY NIGHT...Northeast winds less than 10 knots becoming east.
Waves 1 foot or less.
.TUESDAY...North winds 10 knots or less becoming south. Waves
1 foot or less.
.WEDNESDAY...South winds around 10 knots becoming west and
increasing to 15 to 25 knots. A chance of rain showers during the
day, then rain showers likely Wednesday night. Waves 1 to 2 feet
building to 3 to 6 feet.
.THURSDAY...West winds 15 to 25 knots becoming northeast and
diminishing to 10 to 15 knots. A chance of rain showers during
the day, then a chance of rain and snow showers Thursday night.
Waves 3 to 6 feet subsiding to 2 to 4 feet.

$$

LOZ063>065-122215-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1240 PM EST Sun Nov 12 2017

.THIS AFTERNOON...South winds 10 knots or less becoming southeast.
Waves 2 feet or less.
.TONIGHT...Southeast winds 10 knots or less. A chance of rain
showers late in the evening. A chance of rain and snow showers
after midnight. Waves 1 foot or less.
.MONDAY...Southeast winds 10 knots or less becoming northeast. A
chance of rain and snow showers in the morning. Waves 1 foot or
less.
.MONDAY NIGHT...Northeast winds 10 knots or less becoming east.
Waves 1 foot or less.
.TUESDAY...North winds 10 knots or less becoming southwest. Waves
1 foot or less.
.WEDNESDAY...South winds 10 to 15 knots becoming southwest and
increasing to 15 to 25 knots. Rain showers likely Wednesday
night. Waves 2 feet or less building to 3 to 6 feet.
.THURSDAY...West winds 15 to 25 knots becoming north and
diminishing to 10 to 15 knots. A chance of rain showers during
the day, then a chance of rain and snow showers Thursday night.
Waves 4 to 7 feet subsiding to 3 to 5 feet. Waves occasionally
around 9 feet.

$$

LOZ061-122215-
MAFOR 1216/
ONTARIO WEST 1/2 11400 15300 11400. A chance of rain showers
tonight. Waves 1 foot or less.

ONTARIO EAST 1/2 11400 15300 11300. A chance of rain and snow
showers overnight. A chance of snow showers Monday morning. Waves
2 feet or less.

$$



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