FZUS61 KBUF 150202
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EDT Thu May 14 2026

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 30.0 inch high will build from the central Great Lakes
and Ohio Valley tonight to the lower Great Lakes and Mid Atlantic
Friday, then off the Carolina coast Saturday. A 29.3 inch low over
the central Plains will then push a warm front into the lower Great
Lakes Sunday and Sunday night. A second, stronger area of low
pressure will develop over the Central Plains late Monday. The low
will deepen to 29.4 inches as it tracks northeast to the Upper Great
Lakes Monday night into Tuesday morning. As the system continues to
track northeast toward James Bay on Tuesday, its associated cold
front will approach the lake late Tuesday.

LOZ062-150900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Thu May 14 2026

.OVERNIGHT...Northwest winds 5 to 10 knots. Waves around
1 foot.
.FRIDAY...Northwest winds 5 to 10 knots becoming southwest. Waves
1 foot or less.
.FRIDAY NIGHT...Southwest winds 5 to 15 knots. Waves 1 to 2 feet.
.SATURDAY...Southwest winds 5 to 15 knots increasing to 15 to
20 knots. A chance of showers in the afternoon. Waves 1 to
3 feet.
.SATURDAY NIGHT...Southwest winds 15 to 20 knots becoming west
5 to 15 knots. A chance of showers in the evening. Waves 1 to
3 feet.
.SUNDAY...West winds 10 knots or less becoming east. Waves 1 foot
or less.
.MONDAY...East winds 5 to 15 knots becoming southwest. Waves
2 feet or less.
.TUESDAY...Southwest winds 15 to 20 knots. A chance of showers
Tuesday night. Waves 1 to 3 feet building to 3 to 5 feet, then
subsiding to 2 to 4 feet.

$$

LOZ063>065-150900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Thu May 14 2026

.OVERNIGHT...Northwest winds 5 to 10 knots. A chance of
showers. Waves 2 feet or less.
.FRIDAY...Northwest winds 5 to 15 knots becoming west. Waves
2 feet or less.
.FRIDAY NIGHT...West winds 5 to 10 knots becoming south. Waves
2 feet or less.
.SATURDAY...South winds 5 to 15 knots becoming southwest. A
chance of showers in the afternoon. Waves 2 feet or less.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots. A chance of
showers. Waves 2 feet or less.
.SUNDAY...West winds 5 to 10 knots becoming east. Waves 1 foot or
less.
.MONDAY...Southeast winds 5 to 15 knots becoming south. A chance
of showers Monday night. Waves 2 feet or less.
.TUESDAY...Southwest winds 10 to 15 knots becoming west. A chance
of showers during the day, then showers likely with a chance of
thunderstorms Tuesday night. Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-150900-
MAFOR 1503/
ONTARIO WEST 1/2 14700 11600 11500 12510. Waves 2 feet or less.

ONTARIO EAST 1/2 14700 11700 11600 11610 11500. Waves 2 feet or
less.

$$