Great Lakes Forecast
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027
FZUS61 KBUF 192341
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
641 PM EST Sun Nov 19 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 28.8 inches low will move northeast through Quebec
tonight. In its wake, expansive high pressure over the southern
plains will build across the Lower Mississippi Valley and cross
the southern states on Monday. A 29.1 inch low just south of James
Bay on Tuesday will push a cold front across the lake Tuesday
night. High pressure over the plains on Wednesday will then build
across the Ohio Valley and Lower Great Lakes Wednesday night and
Thursday.

LOZ062-200415-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
641 PM EST Sun Nov 19 2017

.TONIGHT...Northwest winds 15 to 25 knots becoming west. A chance
of snow showers. Waves 4 to 7 feet subsiding to 3 to 6 feet.
Waves occasionally around 9 feet.
.MONDAY...West winds 15 to 25 knots. Waves 3 to 6 feet building
to 4 to 7 feet, then subsiding to 3 to 6 feet. Waves occasionally
around 9 feet.
.MONDAY NIGHT...Southwest winds 15 to 25 knots. Waves 3 to
6 feet.
.TUESDAY...Southwest winds 15 to 25 knots. Waves 4 to 6 feet.
.TUESDAY NIGHT...Southwest winds 15 to 20 knots becoming west.
Rain showers likely in the evening, then a chance of rain showers
overnight. Waves 3 to 6 feet.
.WEDNESDAY...West winds 15 to 20 knots diminishing to 5 to
10 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.THURSDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. Waves 1 to 3 feet building to 3 to 5 feet.
.FRIDAY...West winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of rain showers Friday night. Waves 2 to
4 feet building to 3 to 5 feet.

$$

LOZ063>065-200415-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
641 PM EST Sun Nov 19 2017

.TONIGHT...Northwest winds 15 to 25 knots. Lake effect snow
showers. Waves 5 to 8 feet subsiding to 3 to 6 feet. Waves
occasionally around 10 feet.
.MONDAY...Northwest winds 15 to 25 knots becoming west. Lake
effect snow, mainly in the morning. Waves 3 to 6 feet building to
5 to 8 feet. Waves occasionally around 10 feet.
.MONDAY NIGHT...Southwest winds 15 to 20 knots. Rain showers
likely in the evening. Waves 3 to 6 feet.
.TUESDAY...Southwest winds 15 to 25 knots. Waves 3 to 6 feet.
.TUESDAY NIGHT...Southwest winds 15 to 20 knots becoming west.
Rain showers likely. Waves 3 to 6 feet.
.WEDNESDAY...West winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of snow and rain showers during the day. Waves
3 to 6 feet subsiding to 1 to 3 feet.
.THURSDAY...Southwest winds 10 to 15 knots becoming west 15 to
20 knots. A chance of snow and rain showers Thursday night. Waves
1 to 2 feet building to 3 to 5 feet.
.FRIDAY...West winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of rain showers Friday night. Waves 2 to
4 feet building to 3 to 5 feet.

$$

LOZ061-200415-
MAFOR 2001 AMD/
ONTARIO WEST 1/2 11730 11720 11730 14630. A chance of snow
showers tonight. Waves 4 to 7 feet subsiding to 3 to 6 feet, and
occasionally around 9 feet tonight. Waves 3 to 6 feet building to
4 to 7 feet, and occasionally around 9 feet Monday.

ONTARIO EAST 1/2 12737 11727 11737 12637 11630. A chance of rain
showers Monday afternoon. Waves 5 to 8 feet subsiding to 3 to 6
feet, and occasionally around 10 feet tonight. Waves 3 to 6 feet
building to 5 to 8 feet, and occasionally around 10 feet Monday.

$$



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