Great Lakes Forecast
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000
FZUS61 KBUF 180526
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
126 AM EDT Fri Aug 18 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 29.5 inch low will move from upper Michigan to
southern Ontario by Friday afternoon before reaching James Bay
Saturday morning, and eventually exiting across northern Quebec
Saturday night. A 30.1 inch high will then build into the Ohio
Valley and eastern Great Lakes Sunday and Monday.

LOZ062-180915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
126 AM EDT Fri Aug 18 2017

.OVERNIGHT...South winds 10 to 15 knots. A chance of showers.
Waves 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 15 knots increasing to 15 to
20 knots. A chance of showers in the morning. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west.
Waves 2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots. A chance of showers in the
afternoon. Waves 2 to 4 feet.
.SATURDAY NIGHT...West winds 5 to 15 knots. A chance of showers
in the evening. Waves 1 to 3 feet.
.SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 1 to
2 feet.
.MONDAY...Southwest winds 5 to 10 knots. Waves 1 to 2 feet.
.TUESDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers during the day...then a chance of showers and
thunderstorms Tuesday night. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-180915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
126 AM EDT Fri Aug 18 2017

.OVERNIGHT...Southeast winds 10 to 15 knots becoming south
15 to 20 knots. Showers and scattered thunderstorms. Waves 2 to
4 feet.
.FRIDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots. A chance of showers in the morning...then a chance of
showers and thunderstorms in the afternoon. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west. A
chance of showers. Waves 1 to 3 feet building to 2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots. A chance of showers. Waves
2 to 4 feet.
.SATURDAY NIGHT...West winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of showers in the evening. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.SUNDAY...West winds 5 to 15 knots becoming southwest. Waves 1 to
2 feet.
.MONDAY...Southwest winds 5 to 10 knots. Waves 1 to 2 feet.
.TUESDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers during the day...then a chance of showers and
thunderstorms Tuesday night. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-180915-
MAFOR 1803/
ONTARIO WEST 1/2 11316 11410 13510 12520 11620. A chance of
thunderstorms late this evening...then a chance of showers and
thunderstorms overnight. A chance of showers Friday morning.
Waves 1 to 3 feet overnight and Friday. Waves 2 to 4 feet Friday
evening.

ONTARIO EAST 1/2 11316 11416 11420 11520 13510 11520. A chance of
thunderstorms overnight. A chance of showers in the morning...
then a chance of showers and thunderstorms Friday afternoon.
Waves 1 to 2 feet building to 2 to 4 feet overnight. Waves 1 to 3
feet Friday and Friday evening.

$$

HITCHCOCK



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