National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS61 KBUF 142056
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
456 PM EDT Sun Apr 14 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...An expansive 30.0 inch high centered over Manitoba
this evening will build southeast across the Great Lakes region
late tonight through Tuesday. A large storm system will move from
the northern plains to the Upper Great Lakes Tuesday night and
Wednesday. The storm system will pass just to the north of the
lake Wednesday night and Thursday.

LOZ062-150315-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
456 PM EDT Sun Apr 14 2024

.TONIGHT...Northeast winds 5 to 10 knots becoming west 10 to
15 knots. Waves 1 to 2 feet.
.MONDAY...West winds 10 to 15 knots increasing to 15 to 20 knots.
Waves building to 2 to 4 feet.
.MONDAY NIGHT...West winds 10 to 15 knots. Waves 1 to 3 feet.
.TUESDAY...West winds 5 to 10 knots becoming southwest. Waves
2 feet or less.
.TUESDAY NIGHT...East winds increasing to 15 to 25 knots. Waves
building to 2 to 4 feet.
.WEDNESDAY...East winds to 30 knots. Showers. Waves 5 to 8 feet.
Waves occasionally around 10 feet.
.THURSDAY...East winds 10 to 15 knots becoming southwest. Showers
likely. Waves 2 to 4 feet subsiding to 1 to 3 feet.
.FRIDAY...Southwest winds 10 to 15 knots. A chance of showers.
Waves 1 to 3 feet.

$$

LOZ063>065-150315-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
456 PM EDT Sun Apr 14 2024

.TONIGHT...Northeast winds 10 knots or less becoming variable.
Waves 2 feet or less.
.MONDAY...West winds 10 to 15 knots increasing to 15 to 20 knots.
A chance of showers early. Waves 1 to 3 feet building to 3 to
6 feet.
.MONDAY NIGHT...West winds 15 to 20 knots diminishing to 10 to
15 knots. Waves 3 to 6 feet subsiding to 1 to 3 feet.
.TUESDAY...West winds 10 to 15 knots. Waves 1 to 2 feet.
.TUESDAY NIGHT...Southwest winds 10 to 15 knots becoming
northeast 15 to 20 knots. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 15 to 25 knots. Showers likely.
Waves 3 to 6 feet.
.THURSDAY...Southeast winds 15 to 20 knots. Showers likely. Waves
2 to 4 feet.
.FRIDAY...Southwest winds 10 to 15 knots. A chance of showers.
Waves 1 to 3 feet.

$$

LOZ061-150315-
MAFOR 1421/
ONTARIO WEST 1/2 12100 12600 11610 13620. Waves 2 feet or less
tonight. Waves 1 to 3 feet building to 3 to 5 feet Monday.

ONTARIO EAST 1/2 11100 11800 11700 11500 11510 13620. Waves 2
feet or less tonight. Waves 1 to 3 feet building to 3 to 6 feet
Monday.

$$