Great Lakes Forecast
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000
FZUS61 KBUF 200608
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
108 AM EST Mon Nov 20 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...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.

LOZ062-201015-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
108 AM EST Mon Nov 20 2017

.OVERNIGHT...Northwest winds 20 to 25 knots becoming west.
A chance of snow showers. Waves 3 to 6 feet.
.MONDAY...West winds 20 to 25 knots. Waves 4 to 7 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 just a chance of rain
showers overnight. Waves 3 to 6 feet.
.WEDNESDAY...West winds diminishing to 5 to 10 knots. Waves
subsiding to 1 to 3 feet.
.THURSDAY...Southwest winds 10 to 15 knots becoming west and
increasing to 15 to 25 knots. A chance of snow showers Thursday
night. Waves building to 4 to 7 feet. Waves occasionally around 9
feet.
.FRIDAY...Northwest winds 10 to 15 knots. Rain showers likely
Friday night. Waves 3 to 5 feet building to 3 to 6 feet.

$$

LOZ063>065-201015-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
108 AM EST Mon Nov 20 2017

.OVERNIGHT...Northwest winds 15 to 25 knots. Lake effect
snow showers. Waves 4 to 7 feet. Waves occasionally around 9
feet.
.MONDAY...Northwest winds to 30 knots becoming west 15 to
25 knots. Occasional lake effect snow. Waves 3 to 6 feet building
to 5 to 8 feet. Waves occasionally around 10 feet.
.MONDAY NIGHT...Southwest winds 15 to 25 knots. Snow 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. A chance of snow and rain
showers. Waves 3 to 5 feet.
.THURSDAY...Southwest winds 10 to 15 knots becoming west and
increasing to 15 to 25 knots. A chance of snow showers during the
day, then snow showers likely Thursday night. Waves 2 to 4 feet.
.FRIDAY...Northwest winds 10 to 15 knots. Rain showers likely
Friday night. Waves 3 to 6 feet.

$$

LOZ061-201015-
MAFOR 2004/
ONTARIO WEST 1/2 11730 14630 11630 11520 11530. A chance of lake
effect snow showers overnight. Waves 3 to 6 feet overnight. Waves
3 to 6 feet building to 4 to 7 feet, and occasionally around 9
feet Monday. Waves 3 to 6 feet Monday evening.

ONTARIO EAST 1/2 11730 12737 11637 12630 11620 11520. A chance of
lake effect snow showers late this evening and Monday afternoon.
A chance of snow showers Monday evening. Waves 4 to 7 feet
subsiding to 3 to 6 feet, and occasionally around 9 feet
overnight. Waves 3 to 6 feet building to 5 to 8 feet, and
occasionally around 10 feet Monday. Waves 3 to 6 feet Monday
evening.

$$


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