406
FZUS61 KBUF 250203
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EDT Fri Jul 24 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 30.2 inch high will linger just off the New England
coast through Saturday, before slowly weakening while drifting to
the Gulf of Saint Lawrence Sunday. A 29.5 inch area of low pressure
will develop over the western Great Lakes Sunday night into Monday,
before strengthening to 29.3 inches while moving southeast into the
lower Great Lakes region 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.

LOZ062-250900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Fri Jul 24 2026

.OVERNIGHT...East winds 10 knots or less becoming
southeast. Waves 1 foot or less.
.SATURDAY...South winds 10 knots or less becoming east. Waves
1 foot or less.
.SATURDAY NIGHT...East winds less than 10 knots becoming
southwest. Waves 1 foot or less.
.SUNDAY...Southwest winds 10 knots or less. A chance of showers
and thunderstorms in the afternoon. Waves 1 foot or less.
.SUNDAY NIGHT...Southwest winds 10 knots or less. A chance of
showers. Waves 1 foot or less.
.MONDAY...Southwest winds 5 to 10 knots. A chance of showers and
thunderstorms during the day, then showers with a chance of
thunderstorms Monday night. Waves 1 foot or less.
.TUESDAY...West winds 5 to 15 knots becoming north. Showers with
a chance of thunderstorms. Waves 1 to 2 feet.
.WEDNESDAY...North winds 5 to 15 knots. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-250900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Fri Jul 24 2026

.OVERNIGHT...East winds 5 to 15 knots becoming south. Waves
2 feet or less.
.SATURDAY...South winds 5 to 15 knots becoming east. Waves 2 feet
or less.
.SATURDAY NIGHT...East winds 10 knots or less becoming south.
Waves 1 foot or less.
.SUNDAY...South winds 5 to 10 knots. Waves 1 foot or less.
.SUNDAY NIGHT...South winds 10 knots or less becoming southwest.
A chance of showers. Waves 1 foot or less.
.MONDAY...Southwest winds 5 to 10 knots becoming south. A chance
of showers and thunderstorms during the day, then showers with a
chance of thunderstorms Monday night. Waves 1 foot or less.
.TUESDAY...Southwest winds 5 to 15 knots becoming north. Showers
with a chance of thunderstorms. Waves 2 feet or less.
.WEDNESDAY...North winds 5 to 15 knots. A chance of showers.
Waves 1 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-250900-
MAFOR 2503/
ONTARIO WEST 1/2 11200 11300 12400 11300 12200 11300. Waves 1
foot or less.

ONTARIO EAST 1/2 11200 11300 12410 11300 12200 11300. Waves 2
feet or less.

$$