Great Lakes Forecast
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000
FZUS61 KBUF 161417
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
917 AM EST Sat Dec 16 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 29.7 inch low will weaken as it moves across Quebec to
Maine today. A 30.4 inch high will then build across southern
Ontario tonight before moving off the Eastern Seaboard by Monday.

LOZ062-162215-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
917 AM EST Sat Dec 16 2017

.REST OF TODAY...Northwest winds 15 to 20 knots. Waves 4 to 7
feet subsiding to 2 to 4 feet. Waves occasionally around 9 feet.
.TONIGHT...North winds 15 to 20 knots becoming northeast 5 to 15
knots. Waves 2 to 4 feet.
.SUNDAY...Northeast winds 5 to 15 knots becoming east 15 to 20
knots. Waves 1 to 3 feet.
.SUNDAY NIGHT...East winds 15 to 20 knots becoming southwest 5 to
15 knots. A chance of snow and rain showers. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.MONDAY...Southwest winds 15 to 25 knots. A chance of rain and
snow showers during the day, then a chance of rain showers Monday
night. Waves 2 to 4 feet building to 3 to 5 feet.
.TUESDAY...Southwest winds 20 to 25 knots becoming west. A chance
of rain showers during the day, then a chance of rain and snow
showers Tuesday night. Waves 3 to 6 feet building to 4 to 7 feet.
Waves occasionally around 9 feet.
.WEDNESDAY...West winds 15 to 25 knots becoming north and
diminishing to 5 to 10 knots. A chance of lake effect snow
showers. Waves 3 to 6 feet subsiding to 2 to 4 feet.

$$

LOZ063>065-162215-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
917 AM EST Sat Dec 16 2017

.REST OF TODAY...Northwest winds 15 to 25 knots. Lake effect snow
likely late this morning, then a chance of snow showers early
this afternoon. Waves 6 to 9 feet subsiding to 3 to 6 feet. Waves
occasionally around 11 feet.
.TONIGHT...Northwest winds 15 to 20 knots becoming north 5 to 15
knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.SUNDAY...Northeast winds 5 to 15 knots becoming east. Waves 2
feet or less.
.SUNDAY NIGHT...East winds 5 to 15 knots becoming south. A chance
of snow showers in the evening, then a chance of snow and rain
showers overnight. Waves 1 to 3 feet subsiding to 1 foot or less.
.MONDAY...Southwest winds 15 to 20 knots. A chance of rain and
snow showers during the day, then rain showers likely Monday
night. Waves 1 to 3 feet building to 3 to 5 feet.
.TUESDAY...Southwest winds 15 to 25 knots becoming west to 30
knots. Rain showers likely during the day, then lake effect snow
showers with lake effect rain showers likely Tuesday night. Waves
3 to 6 feet building to 5 to 8 feet. Waves occasionally around 10
feet.
.WEDNESDAY...Northwest winds 15 to 25 knots becoming north and
diminishing to 10 to 15 knots. Lake effect snow showers. Waves
5 to 8 feet subsiding to 3 to 6 feet. Waves occasionally around
10 feet.

$$

LOZ061-162215-
MAFOR 1616/
ONTARIO WEST 1/2 13720 12810 11800 11100 11200. Waves 3 to 6 feet
this afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet
tonight. Waves 1 to 2 feet Sunday morning.

ONTARIO EAST 1/2 11720 11730 11720 13810 12100. Waves 4 to 7 feet
subsiding to 3 to 6 feet this afternoon. Waves 3 to 6 feet
subsiding to 1 to 3 feet tonight. Waves 1 to 2 feet Sunday
morning.

$$


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