801
FZUS61 KBUF 261402
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 AM EDT Thu Jun 26 2025

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 30.3 inch high will build from Quebec today to
northern New England Friday. A frontal zone will remain stalled
south of the lake through tonight before moving back north across
the lake as a warm front Friday afternoon. A 29.7 inch low will then
move from the upper Great Lakes Friday to southern Quebec Saturday,
then to the Canadian Maritimes by late Sunday. A 30.0 inch high will
move over the Lake Sunday through Sunday night. A 29.5 inch low will
be near James Bay Monday.

LOZ062-262100-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 AM EDT Thu Jun 26 2025

.REST OF TODAY...East winds 15 to 20 knots. Showers likely with a
chance of thunderstorms late this morning, then a chance of
showers early this afternoon. Waves 3 to 5 feet.
.TONIGHT...Northeast winds 15 to 20 knots becoming east. A chance
of showers late. Waves 3 to 5 feet.
.FRIDAY...East winds 10 to 15 knots. Showers likely with a chance
of thunderstorms. Waves 2 to 4 feet subsiding to 1 to 2 feet.
.FRIDAY NIGHT...Southeast winds around 10 knots becoming
southwest. Showers with a chance of thunderstorms. Waves 1 to
2 feet.
.SATURDAY...West winds 5 to 10 knots becoming northwest. Showers
likely during the day, then a chance of showers Saturday night.
Waves 2 feet or less.
.SUNDAY...West winds 10 knots or less becoming south. Waves
1 foot or less.
.MONDAY...South winds 5 to 10 knots becoming southwest. A chance
of showers during the day, then showers likely with a chance of
thunderstorms Monday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-262100-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 AM EDT Thu Jun 26 2025

.REST OF TODAY...Northeast winds 15 to 20 knots. Showers with a
chance of thunderstorms late this morning, then showers likely
with a chance of thunderstorms early this afternoon. A chance of
showers late. Waves 2 to 4 feet building to 3 to 5 feet.
.TONIGHT...Northeast winds 15 to 20 knots becoming east 10 to
15 knots. A chance of showers. Waves 3 to 5 feet.
.FRIDAY...East winds 10 to 15 knots becoming southeast. Showers
likely in the morning, then showers with a chance of
thunderstorms in the afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet.
.FRIDAY NIGHT...South winds 10 to 15 knots increasing to 15 to
20 knots. Showers with a chance of thunderstorms. Waves 1 to
3 feet.
.SATURDAY...Southwest winds 5 to 15 knots becoming west. Showers
with a chance of thunderstorms during the day, then a chance of
showers Saturday night. Waves 1 to 3 feet.
.SUNDAY...West winds 10 knots or less becoming south. Waves
1 foot or less.
.MONDAY...South winds 5 to 10 knots becoming southwest. A chance
of showers during the day, then showers likely with a chance of
thunderstorms Monday night. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-262100-
MAFOR 2615/
ONTARIO WEST 1/2 11220 13120 12220 11210 11216. Waves 3 to 5 feet
this afternoon and tonight. Waves 2 to 4 feet Friday morning.

ONTARIO EAST 1/2 11126 13120 11220 12210 11216. A chance of
thunderstorms late this morning. Waves 2 to 4 feet this
afternoon. Waves 3 to 5 feet subsiding to 2 to 4 feet tonight.
Waves 2 to 4 feet subsiding to 1 to 3 feet Friday morning.

$$