Great Lakes Forecast
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000
FZUS61 KBUF 171435
GLFLO

GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1030 AM EDT Mon Jul 17 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 weak 30.0 inch area of low pressure will continue to
shift east across the lake through today. A 30.1 inch high will then
build into the central and eastern Great Lakes Tuesday and Wednesday
before moving off the east coast on Thursday. A weak cold front will
then move southeast across the lake Thursday night.

LOZ062-172100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1030 AM EDT Mon Jul 17 2017

.THIS AFTERNOON...East winds 10 knots or less becoming northeast.
Waves 1 to 3 feet.
.TONIGHT...West winds 10 knots or less becoming southwest. Waves
1 foot or less.
.TUESDAY...Southwest winds 10 knots or less. Waves 1 foot or
less.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming west. Waves
1 foot or less.
.THURSDAY...West winds 10 knots or less becoming northwest. A
chance of showers and thunderstorms. Waves 1 foot or less.
.FRIDAY...Northwest winds 10 knots or less. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-172100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1030 AM EDT Mon Jul 17 2017

.THIS AFTERNOON...Southeast winds 5 to 10 knots becoming east. A
chance of showers and thunderstorms. Waves 1 to 3 feet subsiding
to 1 foot or less.
.TONIGHT...South winds 10 knots or less becoming southwest. Waves
1 foot or less.
.TUESDAY...Southwest winds 5 to 15 knots becoming west. Waves
2 feet or less.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Waves 2 feet or
less.
.WEDNESDAY...Southwest winds 5 to 10 knots becoming west.
Scattered showers and thunderstorms Wednesday night. Waves 1 foot
or less.
.THURSDAY...West winds 5 to 10 knots. Showers and thunderstorms
likely during the day...then a chance of showers and
thunderstorms Thursday night. Waves 1 foot or less.
.FRIDAY...Northwest winds 5 to 10 knots becoming west. Waves
2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-172000-
MAFOR 1715/
ONTARIO WEST 1/2 11200 11100 11700 14500 11500. Waves 2 feet or
less.

ONTARIO EAST 1/2 11200 11100 11300 14500 11500. A chance of
showers and thunderstorms this afternoon. Waves 2 feet or less.

$$



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