Great Lakes Forecast
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000
FZUS61 KBUF 200808
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
408 AM EDT Tue Jun 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...A 29.4 inch low will cross northern Quebec today and
tonight. A weak 29.9 inch high over the Upper Ohio Valley
Wednesday and Wednesday night will nose north across the Lower
Great Lakes. As this high moves east on Thursday...a warm front
will push across the lake. A cold front will cross the lake on
Friday.

LOZ062-201515-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
408 AM EDT Tue Jun 20 2017

.TODAY...West winds 15 to 20 knots diminishing to 10 to 15 knots.
A chance of showers this morning...then a chance of showers and
thunderstorms this afternoon. Waves 1 to 3 feet.
.TONIGHT...West winds 10 to 15 knots. A chance of showers and
thunderstorms through the early overnight. Some thunderstorms may
produce gusty winds through the early overnight. Waves 1 to
3 feet.
.WEDNESDAY...West winds 10 to 15 knots. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Southwest winds 10 knots or less becoming
east. Waves 2 feet or less.
.THURSDAY...East winds 10 knots or less becoming. A chance of
showers and thunderstorms. Waves 2 feet or less.
.FRIDAY...Southwest winds 10 to 15 knots. Showers likely with a
chance of thunderstorms. Waves 1 to 2 feet.
.SATURDAY...Northwest winds 5 to 10 knots. A chance of showers.
Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-201515-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
408 AM EDT Tue Jun 20 2017

.TODAY...Southwest winds 15 to 20 knots becoming west. Showers
likely with a chance of thunderstorms early...then a chance of
showers this afternoon. Waves 2 to 4 feet.
.TONIGHT...Southwest winds 15 to 20 knots becoming west. A chance
of showers and thunderstorms from late evening on. Some
thunderstorms may produce gusty winds. Waves 1 to 3 feet.
.WEDNESDAY...West winds 10 to 15 knots. A chance of showers in
the morning. Waves 2 to 4 feet.
.WEDNESDAY NIGHT...West winds 10 to 15 knots becoming southeast
less than 10 knots. Waves 2 feet or less.
.THURSDAY...Southeast winds less than 10 knots. A chance of
showers and thunderstorms. Waves 2 feet or less.
.FRIDAY...Southwest winds 10 to 15 knots. Showers likely with a
chance of thunderstorms. Waves 2 feet or less.
.SATURDAY...West winds 10 knots or less. A chance of showers.
Waves around 1 foot.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-201515-
MAFOR 2009/
ONTARIO WEST 1/2 12620 11510 12610 11510 12610. A chance of
thunderstorms early this morning...then a chance of showers this
morning. A chance of showers and thunderstorms this afternoon. A
chance of showers and thunderstorms tonight. Waves 2 to 4 feet
subsiding to 1 to 3 feet today. Waves 1 to 3 feet tonight.

ONTARIO EAST 1/2 12520 12620 12510 12610. A chance of
thunderstorms early this morning...then a chance of showers this
morning. A chance of showers and thunderstorms this afternoon. A
chance of showers and thunderstorms tonight. Waves 1 to 3 feet
building to 2 to 4 feet today. Waves 1 to 3 feet tonight.

$$



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