Great Lakes Forecast
Issued by NWS

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055
FZUS61 KBUF 221440
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1040 AM EDT Sun Sep 22 2024

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 weak 30.0 inch ridge of high pressure will build
across the Lower Lakes today. A cold front will then approach the
Lake late tonight and Monday, where it will stall through the
middle of next week. Several weak 29.8 inch lows will move along
the stalled front Monday through Wednesday. On Thursday, low
pressure will exit into New England while a 30.2 inch high builds
across Lake Superior.

LOZ062-222115-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1040 AM EDT Sun Sep 22 2024

.THIS AFTERNOON...Southeast winds 10 knots or less becoming east.
Areas of fog otherwise partly sunny. Waves 1 foot or less.
.TONIGHT...East winds 10 to 15 knots becoming south. A chance of
showers late. Waves 1 to 2 feet.
.MONDAY...Southeast winds 10 to 15 knots. Showers likely. Waves
1 to 3 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. A chance of
showers in the evening. Waves 1 to 3 feet.
.TUESDAY...Southeast winds increasing to 15 to 20 knots. Showers.
Waves 2 to 4 feet.
.WEDNESDAY...Southeast winds 15 to 20 knots becoming west 10 to
15 knots. Showers. Waves 2 to 4 feet.
.THURSDAY...Northwest winds 10 to 15 knots becoming northeast. A
chance of showers. Waves 1 to 2 feet.

$$

LOZ063>065-222115-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1040 AM EDT Sun Sep 22 2024

.THIS AFTERNOON...Southeast winds 5 to 10 knots becoming east.
Waves 2 feet or less.
.TONIGHT...East winds 10 to 15 knots becoming southeast 15 to
20 knots. Waves 1 to 3 feet building to 3 to 5 feet.
.MONDAY...Southeast winds 15 to 20 knots. Showers likely. Waves
subsiding to 2 to 4 feet.
.MONDAY NIGHT...Southeast winds 15 to 20 knots. A chance of
showers. Waves 1 to 3 feet.
.TUESDAY...Southeast winds 15 to 20 knots. A chance of showers
during the day, then showers Tuesday night. Waves building to 3
to 5 feet.
.WEDNESDAY...Southeast winds 15 to 20 knots. Showers. Waves 3 to
5 feet.
.THURSDAY...Southwest winds 10 to 15 knots becoming north. A
chance of showers. Waves 1 to 2 feet.

$$

LOZ061-222115-
MAFOR 2215/
ONTARIO WEST 1/2 11203 11103 11200 12310 11410 11310 11316. Waves
1 foot or less this afternoon. Waves 1 to 3 feet tonight and
Monday morning.

ONTARIO EAST 1/2 11300 11200 11210 11310 14320. A chance of
showers Monday morning. Waves 2 feet or less this afternoon.
Waves 1 to 3 feet building to 3 to 5 feet tonight. Waves 3 to 5
feet Monday morning.

$$