Great Lakes Forecast
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000
FZUS61 KBUF 151136
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
636 AM EST Wed Nov 15 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 30.3 inch high draped from Quebec southeastward
across the Appalachians will drift eastward today. A 29.6 inch
low near the Michigan Straits this evening will then push its
trailing cold front across the lake tonight. A secondary cold
front will cross the lake on Thursday as an expansive 30.4 high
builds across the Upper Great Lakes. This high will then build
across the lake Thursday night and Friday...before a deepening
storm tracks just to the west of the lake during the weekend.

LOZ062-151600-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
636 AM EST Wed Nov 15 2017

.TODAY...South winds 10 to 15 knots becoming southeast 15 to
20 knots. Waves 1 to 3 feet.
.TONIGHT...South winds 15 to 25 knots becoming southwest. A
chance of showers early, then showers. A chance of showers late.
Waves 2 to 4 feet building to 3 to 5 feet.
.THURSDAY...West winds to 30 knots becoming northwest. A chance
of showers in the morning, then showers likely in the afternoon.
Waves 4 to 7 feet. Waves occasionally around 9 feet.
.THURSDAY NIGHT...Northwest winds to 30 knots diminishing to
15 to 20 knots. A chance of rain and snow showers in the evening.
Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally
around 9 feet.
.FRIDAY...Northwest winds 5 to 15 knots becoming south 15 to
20 knots. Rain Friday night. Waves 2 to 4 feet subsiding to 1 to
3 feet.
.SATURDAY...South winds 15 to 25 knots becoming west and
increasing to 35 knot gales. Rain during the day, then rain
showers Saturday night. Waves 2 to 4 feet building to 8 to
12 feet. Waves occasionally around 15 feet.
.SUNDAY...Northwest winds to 30 knots diminishing to 15 to
25 knots. Lake effect rain showers likely during the day, then
lake effect snow showers likely Sunday night. Waves 8 to 11 feet
subsiding to 5 to 8 feet. Waves occasionally around 14 feet.

$$

LOZ063>065-151600-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
636 AM EST Wed Nov 15 2017

.TODAY...South winds 10 to 15 knots becoming southeast 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.TONIGHT...South winds 15 to 25 knots becoming southwest to
30 knots. Showers from late evening on. Waves 3 to 5 feet
building to 5 to 8 feet. Waves occasionally around 10 feet.
.THURSDAY...Southwest winds 15 to 25 knots becoming west to
30 knots. Showers likely. Waves 5 to 8 feet. Waves occasionally
around 10 feet.
.THURSDAY NIGHT...Northwest winds to 30 knots diminishing to
15 to 20 knots. Rain showers likely in the evening, then a chance
of rain and snow showers overnight. Waves 5 to 8 feet. Waves
occasionally around 10 feet.
.FRIDAY...Northwest winds 15 to 20 knots becoming south. Rain
Friday night. Waves 3 to 6 feet subsiding to 2 to 4 feet.
.SATURDAY...South winds 15 to 25 knots becoming west and
increasing to 35 knot gales. Rain during the day, then rain
showers Saturday night. Waves 3 to 6 feet building to 10 to
14 feet. Waves occasionally around 18 feet.
.SUNDAY...West winds to 30 knots becoming northwest 15 to
25 knots. Lake effect rain showers likely during the day, then
lake effect snow showers likely Sunday night. Waves 10 to 13 feet
subsiding to 5 to 8 feet. Waves occasionally around 16 feet.

$$

LOZ061-151600-
MAFOR 1513 AMD/
ONTARIO WEST 1/2 12310 11320 11420 11436 11536 11530. A chance of
showers overnight. Waves 1 to 3 feet building to 2 to 4 feet
today and to 3 to 5 feet tonight.

ONTARIO EAST 1/2 11410 11310 11320 12430 11446 11440. A chance of
showers this evening. Waves 1 to 3 feet building to 2 to 4 feet
today. Waves 3 to 5 feet building to 5 to 8 feet, and
occasionally around 10 feet tonight.

$$

HITCHCOCK/JJR



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