Great Lakes Forecast
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000
FZUS61 KBUF 170518
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
118 AM EDT Thu Aug 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 30.0 inch high across the lake will gradually drift
east overnight. A 29.6 inch low will move near Wisconsin late
tonight with its associated warm front moving toward Lake Ontario
on Thursday. This low will track north along the Quebec and
Ontario border while its associated cold front moves across the
lake on Friday. Then a weak 29.9 inch high will ridge across the
Appalachian mountains over the weekend.

LOZ062-170915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
118 AM EDT Thu Aug 17 2017

.OVERNIGHT...Southeast winds less than 10 knots. Waves
1 foot or less.
.THURSDAY...Southeast winds 5 to 15 knots becoming east 15 to
20 knots. Waves 2 feet or less.
.THURSDAY NIGHT...East winds 15 to 20 knots becoming southeast
10 to 15 knots. Showers and thunderstorms. Waves 1 to 3 feet.
.FRIDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. Showers and thunderstorms likely 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 and thunderstorms in the evening. Waves 2 to
4 feet.
.SATURDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of showers during the day. Waves 2 to 4 feet
subsiding to 1 to 2 feet.
.SUNDAY...West winds 5 to 10 knots. Waves 1 to 2 feet.
.MONDAY...Southwest winds around 10 knots. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-170915-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
118 AM EDT Thu Aug 17 2017

.OVERNIGHT...South winds less than 10 knots. Waves 1 foot
or less.
.THURSDAY...South winds 5 to 15 knots becoming east. Waves 2 feet
or less.
.THURSDAY NIGHT...East winds 10 to 15 knots becoming southeast
15 to 20 knots. A chance of showers and thunderstorms in the
evening...then showers and thunderstorms overnight. Waves 1 to
3 feet.
.FRIDAY...Southeast winds 15 to 20 knots becoming southwest 10 to
15 knots. Showers and thunderstorms likely. Waves 1 to 3 feet.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots becoming west. A
chance of showers and thunderstorms. Waves 1 to 3 feet building
to 2 to 4 feet.
.SATURDAY...West winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of showers and thunderstorms during the day.
Waves 2 to 4 feet subsiding to 1 to 3 feet.
.SUNDAY...West winds 5 to 15 knots. Waves 1 to 2 feet.
.MONDAY...Southwest winds 5 to 10 knots. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-170915-
MAFOR 1703/
ONTARIO WEST 1/2 14300 11210 13220. A chance of showers and
thunderstorms Thursday evening. Waves 2 feet or less overnight
and Thursday. Waves 1 to 3 feet Thursday evening.

ONTARIO EAST 1/2 13400 12300 13210. A chance of showers and
thunderstorms Thursday evening. Waves 2 feet or less.

$$

HITCHCOCK


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