Great Lakes Forecast
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000
FZUS61 KBUF 180254
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1054 PM EDT Sat Jun 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 29.4 inch low will organize over the upper Great
Lakes overnight. This low will move to western Quebec by Monday,
dragging a cold front across the lake late Sunday. A 30.1 inch
high will build across the Ohio Valley late Monday through Tuesday
before building northward into the Lower Great Lakes and New
England Wednesday.

LOZ062-180915-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1054 PM EDT Sat Jun 17 2017

.OVERNIGHT...Southeast winds 5 to 10 knots becoming south.
Waves 1 foot or less.
.SUNDAY...South winds 10 to 15 knots becoming southwest 15 to
20 knots. A chance of showers and thunderstorms late. Waves 1 to
2 feet.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots increasing to
15 to 20 knots. Showers likely with thunderstorms. Some
thunderstorms may produce gusty winds in the evening. Waves 1 to
3 feet.
.MONDAY...Southwest winds 5 to 15 knots. A chance of showers in
the afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest winds 5 to 15 knots. A chance of
showers. Waves 1 to 2 feet.
.TUESDAY...West winds 15 to 20 knots diminishing to 5 to
10 knots. A chance of showers and thunderstorms. Waves 1 to
3 feet.
.WEDNESDAY...West winds 5 to 10 knots. A chance of showers and
thunderstorms during the day...then a chance of showers Wednesday
night. Waves 1 to 2 feet.
.THURSDAY...Southwest winds 5 to 15 knots. A chance of showers
Thursday 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-
1054 PM EDT Sat Jun 17 2017

.OVERNIGHT...Southeast winds 10 to 15 knots becoming south.
Waves 1 to 3 feet.
.SUNDAY...South winds 10 to 15 knots. A chance of showers and
thunderstorms late. Waves 1 to 3 feet.
.SUNDAY NIGHT...Southwest winds 5 to 15 knots. Showers and
thunderstorms. Some thunderstorms may produce gusty winds. Waves
1 to 3 feet.
.MONDAY...Southwest winds 5 to 15 knots becoming west. Showers
and thunderstorms likely in the morning...then a chance of
showers in the afternoon. Waves 1 to 3 feet.
.MONDAY NIGHT...Southwest winds 5 to 15 knots. A chance of
showers. Waves 1 to 3 feet.
.TUESDAY...Southwest winds 15 to 20 knots diminishing to 5 to
15 knots. A chance of showers. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.WEDNESDAY...West winds 5 to 15 knots. A chance of showers and
thunderstorms during the day...then a chance of showers Wednesday
night. Waves 1 to 2 feet.
.THURSDAY...Southwest winds 5 to 10 knots. A chance of showers
Thursday night. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-180915-
MAFOR 1803/
ONTARIO WEST 1/2 11300 11400 12410 12520 11510 11519. A chance of
showers and thunderstorms Sunday afternoon. Waves 2 feet or less.

ONTARIO EAST 1/2 15410 11400 11519. A chance of showers and
thunderstorms Sunday afternoon. Waves 1 to 3 feet overnight and
Sunday. Waves 1 foot or less Sunday evening.

$$



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