Great Lakes Forecast
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000
FZUS61 KBUF 230551
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
151 AM EDT Fri Jun 23 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 warm front will remain across the Lower Great Lakes region
overnight. Meanwhile, a 29.6 inch low over the central Great
Lakes will track north of the lake on Friday with an associated
cold front crossing the lake Friday night. This low will then
merge with another low and deepen to 29.2 across the Canadian
maritimes over the weekend. Meanwhile a 30.1 inch high will build
across the mid-western state and ridge into the Ohio Valley early
next week.

LOZ062-230915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
151 AM EDT Fri Jun 23 2017

.OVERNIGHT...Southwest winds 10 to 15 knots. Showers with a
chance of thunderstorms. Waves 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 15 knots. A chance of showers and
thunderstorms in the morning...then showers and thunderstorms
likely in the afternoon. Some thunderstorms may produce gusty
winds in the afternoon. Waves 2 to 3 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots. A chance of showers and
thunderstorms in the evening. Some thunderstorms may produce
gusty winds in the evening. Waves 1 to 3 feet.
.SATURDAY...West winds 5 to 15 knots increasing to 15 to
20 knots. A chance of showers and thunderstorms in the afternoon.
Waves 1 to 3 feet.
.SATURDAY NIGHT...West winds 5 to 15 knots becoming southwest.
Waves 1 to 2 feet.
.SUNDAY...Southwest winds 10 to 15 knots becoming west 5 to
10 knots. Showers likely during the day...then a chance of
showers Sunday night. Waves 1 to 3 feet building to 2 to 4 feet...
then subsiding to 1 to 3 feet.
.MONDAY...West winds 5 to 10 knots. A chance of showers and
thunderstorms during the day...then a chance of showers Monday
night. Waves 1 to 2 feet.
.TUESDAY...West winds 5 to 10 knots. A chance of showers during
the day. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-230915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
151 AM EDT Fri Jun 23 2017

.OVERNIGHT...South winds 10 to 15 knots becoming southwest.
A chance of showers and thunderstorms. Waves 1 foot or less
building to 1 to 3 feet.
.FRIDAY...South winds 10 to 15 knots becoming southwest. A chance
of showers and thunderstorms early. Showers and thunderstorms
likely in the afternoon. Some thunderstorms may produce gusty
winds in the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 10 to 15 knots becoming west. A
chance of showers and thunderstorms in the evening. Some
thunderstorms may produce gusty winds in the evening. Waves 1 to
3 feet.
.SATURDAY...West winds 5 to 15 knots increasing to 15 to
20 knots. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to
15 knots. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...Southwest winds 15 to 25 knots becoming west. A chance
of showers. Waves 1 to 3 feet building to 3 to 6 feet.
.MONDAY...West winds 5 to 10 knots becoming southwest. A chance
of showers and thunderstorms during the day...then a chance of
showers Monday night. Waves 1 to 3 feet subsiding to 1 foot or
less.
.TUESDAY...West winds 5 to 10 knots. A chance of showers and
thunderstorms during the day...then a chance of showers Tuesday
night. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-230915-
MAFOR 2303/
ONTARIO WEST 1/2 14510 11510 11519 12610. A chance of showers and
thunderstorms overnight...Friday morning...and Friday evening.
Waves 1 to 3 feet.

ONTARIO EAST 1/2 12410 11510 12410 11500 11519 11510. A chance of
showers and thunderstorms overnight. A chance of thunderstorms in
the morning...then a chance of showers and thunderstorms Friday
afternoon. A chance of showers and thunderstorms Friday evening.
Waves 2 feet or less overnight. Waves 1 to 3 feet Friday and
Friday evening.

$$


WOOD



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