491
FZUS61 KBUF 270203
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1003 PM EDT Sun Jul 26 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 29.5 inch low will develop over the western Great
Lakes tonight into Monday, before strengthening to 29.3 inches while
moving southeast into the lower Great Lakes Monday night and
Tuesday. A cold front associated with this low will swing across the
lake late Tuesday and Tuesday night. The low will then weaken to
29.6 inches while drifting east into New England by Wednesday.

LOZ062-270900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1003 PM EDT Sun Jul 26 2026

.OVERNIGHT...Southwest winds less than 10 knots. Waves
1 foot or less.
.MONDAY...Southwest winds 10 knots or less becoming east. Waves
1 foot or less.
.MONDAY NIGHT...Southeast winds 5 to 10 knots becoming southwest.
Showers likely with a chance of thunderstorms. Waves 1 foot or
less.
.TUESDAY...Southwest winds 5 to 10 knots becoming northeast.
Showers likely in the morning, then showers with a chance of
thunderstorms in the afternoon. Waves 1 foot or less.
.TUESDAY NIGHT...North winds 5 to 15 knots increasing to 15 to
20 knots. Showers with a chance of thunderstorms in the evening,
then showers likely overnight. Waves 1 to 3 feet.
.WEDNESDAY...North winds 15 to 20 knots diminishing to 10 to
15 knots. A chance of showers. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.THURSDAY...North winds 5 to 15 knots becoming northwest. Waves
2 feet or less.
.FRIDAY...West winds less than 10 knots becoming southwest. Waves
1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-270900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1003 PM EDT Sun Jul 26 2026

.OVERNIGHT...Southwest winds less than 10 knots. Waves
1 foot or less.
.MONDAY...Southwest winds 5 to 10 knots becoming north. Waves
1 foot or less.
.MONDAY NIGHT...East winds 10 knots or less becoming south.
Showers likely with a chance of thunderstorms. Waves 1 foot or
less.
.TUESDAY...South winds 5 to 10 knots becoming east. Showers with
a chance of thunderstorms. Waves 1 foot or less.
.TUESDAY NIGHT...East winds 5 to 15 knots becoming northeast
15 to 20 knots. Showers with a chance of thunderstorms in the
evening, then showers overnight. Waves 1 to 3 feet.
.WEDNESDAY...Northeast winds 15 to 20 knots becoming north 10 to
15 knots. Showers likely with a chance of thunderstorms. Waves
2 to 4 feet subsiding to 1 to 3 feet.
.THURSDAY...North winds 5 to 15 knots becoming west less than
10 knots. Waves 1 to 3 feet subsiding to 1 foot or less.
.FRIDAY...West winds 10 knots or less becoming southwest. Waves
1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-270900-
MAFOR 2703/
ONTARIO WEST 1/2 14500 11600 11200 11300 19309 11306. Waves 1
foot or less.

ONTARIO EAST 1/2 14500 11600 11700 11200 11300. A chance of
showers and thunderstorms Monday evening. Waves 1 foot or less.

$$