Great Lakes Forecast
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000
FZUS61 KBUF 220531
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
131 AM EDT Sat Jul 22 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 30.0 inch high will remain across the Lower Great
Lakes overnight. A frontal boundary will develop across the
region over the weekend and a 29.8 inch low will track along this
boundary into the lower Great Lakes Sunday. Then a 30.2 inch high
will ridge from Hudson Bay to the Upper Great Lakes Monday then
extend across the Lower Lakes Tuesday.

LOZ062-220915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
131 AM EDT Sat Jul 22 2017

.OVERNIGHT...Northwest winds 5 to 10 knots becoming west.
Waves 1 foot or less.
.SATURDAY...West winds less than 10 knots becoming east 10 to
15 knots. A chance of showers from late morning on. Waves 1 foot
or less.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots becoming east. A
chance of showers in the evening. Waves 1 to 3 feet.
.SUNDAY...East winds 15 to 20 knots. A chance of showers and
thunderstorms in the morning...then showers and thunderstorms
likely in the afternoon. Waves 2 to 4 feet.
.SUNDAY NIGHT...East winds 15 to 25 knots becoming northeast.
Showers and thunderstorms likely. Waves 3 to 5 feet.
.MONDAY...North winds 15 to 20 knots. A chance of showers and
thunderstorms during the day. Waves 3 to 5 feet subsiding to 2 to
4 feet.
.TUESDAY...North winds 10 to 15 knots becoming southeast 10 knots
or less. Waves 1 to 3 feet subsiding to 1 foot or less.
.WEDNESDAY...Southeast winds 5 to 10 knots becoming southwest. A
chance of showers and thunderstorms Wednesday night. Waves 1 foot
or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-220915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
131 AM EDT Sat Jul 22 2017

.OVERNIGHT...West winds 5 to 15 knots. Waves 2 feet or
less.
.SATURDAY...West winds 5 to 10 knots becoming northeast. A chance
of showers in the afternoon. Waves 1 foot or less.
.SATURDAY NIGHT...Northeast winds 10 to 15 knots becoming east. A
chance of showers in the evening. Waves 1 to 3 feet.
.SUNDAY...East winds 15 to 20 knots becoming northeast. A chance
of showers and thunderstorms. Waves 1 to 3 feet.
.SUNDAY NIGHT...East winds 15 to 25 knots becoming southeast.
Showers and thunderstorms. Waves 2 to 4 feet building to 3 to
5 feet...then subsiding to 2 to 4 feet.
.MONDAY...Southwest winds 15 to 20 knots becoming north. Showers
likely with a chance of thunderstorms during the day...then a
chance of showers and thunderstorms Monday night. Waves 1 to
3 feet building to 2 to 4 feet.
.TUESDAY...North winds 5 to 15 knots becoming southeast. Waves
2 to 4 feet subsiding to 1 to 3 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots becoming southwest. A
chance of showers and thunderstorms Wednesday night. Waves 2 feet
or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-220915-
MAFOR 2203/
ONTARIO WEST 1/2 11710 13600 11200 11100 12110. A chance of
showers Saturday afternoon and Saturday evening. Waves 2 feet or
less.

ONTARIO EAST 1/2 11610 13600 11700 12100 11110. A chance of
showers Saturday afternoon. Waves 2 feet or less.

$$



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