Great Lakes Forecast
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000
FZUS61 KBUF 232333
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
733 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 29.6 inch low over southern Lower Michigan will
move to the Michigan straits through Tuesday while deepening to
29.0 inches. A cold front trailing this low will cross the lake
late tonight. 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.

LOZ062-240300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
733 PM EDT Mon Oct 23 2017

.TONIGHT...Southeast winds 15 to 25 knots becoming south.
Showers. Waves 1 to 3 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>065-240300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
733 PM EDT Mon Oct 23 2017

.TONIGHT...Southeast winds 15 to 25 knots becoming south. A
chance of showers late this evening. Showers after midnight.
Waves 1 to 3 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.

$$

LOZ061-240300-
MAFOR 2400 AMD/
ONTARIO WEST 1/2 11326 11336 11436 11530 13520. Waves 1 to 3 feet
building to 3 to 6 feet tonight. Waves 2 to 4 feet subsiding to 1
to 3 feet Tuesday.

ONTARIO EAST 1/2 11320 11330 11336 11430 11520 11410 11400. A
chance of showers Tuesday morning. Waves 1 to 3 feet building to
3 to 6 feet tonight. Waves 3 to 5 feet subsiding to 1 to 3 feet
Tuesday.

$$

AR/HITCHCOCK/JJR/RSH



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