Great Lakes Forecast
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000
FZUS61 KBUF 240222
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1022 PM EDT Mon Oct 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 29.3 inch low over Saginaw Bay will move to the
Michigan straits through Tuesday while deepening to 29.0 inches...
and will swing its trailing cold front across the lake overnight.
The low will then slowly drift northeastward to the Ontario-
Quebec border Tuesday night and Wednesday while gradually
weakening to 29.6 inches. In the wake of this low...a 30.0 inch
ridge will extend from the southeastern states to Maine Wednesday
night and Thursday.

LOZ062-240900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1022 PM EDT Mon Oct 23 2017

.REST OF TONIGHT...Southeast winds 15 to 25 knots becoming south.
Occasional Showers. Waves 2 to 4 feet building to 3 to 5 feet.
.TUESDAY...Southwest winds 15 to 25 knots. Waves 2 to 4 feet.
.TUESDAY NIGHT...Southwest winds 15 to 25 knots increasing to
30 knots. A chance of showers overnight. Waves 3 to 5 feet
building to 5 to 8 feet. Waves occasionally around 10 feet.
.WEDNESDAY...Southwest winds 15 to 25 knots. A chance of showers.
Waves 4 to 7 feet subsiding to 3 to 6 feet. Waves occasionally
around 9 feet.
.WEDNESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to
10 to 15 knots. A chance of showers in the evening. Waves 2 to
4 feet.
.THURSDAY...Southwest winds 10 to 15 knots becoming south 15 to
20 knots. Waves 1 to 3 feet.
.FRIDAY...South winds 15 to 20 knots becoming west 10 to
15 knots. A chance of showers Friday night. Waves 2 to 3 feet.
.SATURDAY...West winds 5 to 15 knots becoming north. A chance of
showers. Waves 1 to 3 feet.

$$

LOZ063>065-240900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1022 PM EDT Mon Oct 23 2017

.REST OF TONIGHT...Southeast winds 15 to 25 knots becoming south.
A chance of showers late this evening, then showers after
midnight. Waves 2 to 4 feet building to 3 to 6 feet.
.TUESDAY...South winds 15 to 20 knots diminishing to 5 to
15 knots. Showers early, then a chance of showers. Waves 3 to
5 feet subsiding to 1 to 3 feet.
.TUESDAY NIGHT...Southwest winds 15 to 25 knots. Waves 1 to
3 feet building to 4 to 7 feet. Waves occasionally around 9 feet.
.WEDNESDAY...Southwest winds 15 to 25 knots. A chance of showers
in the afternoon. Waves 4 to 7 feet subsiding to 3 to 6 feet.
Waves occasionally around 9 feet.
.WEDNESDAY NIGHT...Southwest winds 15 to 20 knots diminishing to
10 to 15 knots. A chance of showers. Waves 2 to 4 feet.
.THURSDAY...Southwest winds 5 to 15 knots becoming south 15 to
20 knots. A chance of showers during the day. Waves 1 to 3 feet
building to 2 to 4 feet.
.FRIDAY...South winds 15 to 20 knots becoming southwest 10 to
15 knots. Waves 2 to 4 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet.
.SATURDAY...Southwest winds 5 to 10 knots becoming north. A
chance of showers. Waves 1 to 3 feet.

$$

LOZ061-240900-
MAFOR 2403/
ONTARIO WEST 1/2 11336 11436 11530 13520 12530. Waves 2 to 4 feet
building to 3 to 6 feet overnight. Waves 2 to 4 feet Tuesday.
Waves 3 to 6 feet Tuesday evening.

ONTARIO EAST 1/2 11330 11336 11430 11520 11410 11400 11510 11520.
A chance of showers Tuesday morning. Waves 2 to 4 feet building
to 3 to 6 feet overnight. Waves 3 to 5 feet subsiding to 1 to 3
feet Tuesday. Waves 1 to 3 feet building to 2 to 4 feet Tuesday
evening.

$$

AR/HITCHCOCK/JJR/RSH


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