Great Lakes Forecast
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000
FZUS61 KBUF 130213
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1013 PM EDT Thu Oct 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 30.5 inch high will nose south across New England
tonight. The high will drift to the Canadian maritimes on Friday
before moving further offshore Friday night and Saturday. A
deepening 29.2 inch low over Lake Superior Saturday night will
push into Quebec on Sunday...while its strong cold front will plow
across Lake Ontario. A 30.4 inch high over the southern plains
Sunday night will nose across the Ohio Valley to the Lower Great
Lakes on Monday.

LOZ062-063-130915-
Lake Ontario open waters from the Niagara River to Sodus Bay-
1013 PM EDT Thu Oct 12 2017

.OVERNIGHT...Southeast winds 10 to 15 knots increasing to
15 to 20 knots. Waves 3 to 5 feet subsiding to 2 to 4 feet.
.FRIDAY...South winds 15 to 20 knots. Waves 3 to 5 feet subsiding
to 1 to 3 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots becoming southwest
10 to 15 knots. Waves 1 to 3 feet.
.SATURDAY...Southwest winds 10 knots or less becoming southeast.
A chance of showers. Waves 2 feet or less.
.SATURDAY NIGHT...East winds 5 to 15 knots becoming south 15 to
20 knots. A chance of showers. Waves 2 feet or less building to
2 to 3 feet.
.SUNDAY...Southwest winds 15 to 25 knots becoming northwest to
30 knots. Showers with a chance of thunderstorms during the day,
then a chance of showers Sunday night. Waves 3 to 5 feet building
to 9 to 12 feet, then subsiding to 7 to 10 feet. Waves
occasionally around 15 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers during the day. Waves 4 to 7 feet
subsiding to 1 to 3 feet. Waves occasionally around 9 feet.
.TUESDAY...West winds 15 to 20 knots. Waves 2 to 4 feet building
to 3 to 6 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ064-065-130915-
Lake Ontario open waters from Sodus Bay to the Saint Lawrence
River-
1013 PM EDT Thu Oct 12 2017

.OVERNIGHT...Southeast winds 15 to 20 knots. Waves 2 to
4 feet building to 3 to 5 feet, then subsiding to 2 to 4 feet.
.FRIDAY...Southeast winds 15 to 20 knots becoming south. Waves
3 to 5 feet.
.FRIDAY NIGHT...South winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet.
.SATURDAY...South winds 5 to 15 knots becoming southeast less
than 10 knots. A chance of showers. Waves 1 to 3 feet.
.SATURDAY NIGHT...East winds 5 to 15 knots becoming south 15 to
20 knots. A chance of showers. Waves 1 foot or less building to
2 to 4 feet.
.SUNDAY...South winds 15 to 25 knots becoming northwest to
30 knots. Showers with a chance of thunderstorms during the day,
then showers Sunday night. Waves 3 to 5 feet building to 8 to
12 feet. Waves occasionally around 15 feet.
.MONDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers during the day. Waves 4 to 7 feet
subsiding to 2 to 4 feet. Waves occasionally around 9 feet.
.TUESDAY...West winds 15 to 20 knots becoming southwest. Waves
2 to 4 feet building to 3 to 6 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-130915-
MAFOR 1303/
ONTARIO WEST 1/2 11310 12320 11420 14410. Waves 3 to 5 feet
subsiding to 2 to 4 feet overnight. Waves 2 to 4 feet subsiding
to 1 to 3 feet Friday. Waves 2 feet or less Friday evening.

ONTARIO EAST 1/2 13320 14420 11420. Waves 2 to 4 feet building to
3 to 5 feet, then subsiding to 2 to 4 feet overnight. Waves 3 to
5 feet Friday. Waves 2 to 4 feet Friday evening.

$$



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