857
FZUS61 KBUF 152003
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
402 PM EDT Tue Jul 15 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 30.1 inch high will slowly drift from the Great Lakes to New
England through Wednesday. A 29.7 inch low will track northeastward
across the Great Lakes and into Quebec Wednesday night and Thursday,
with its trailing cold front pushing across the lake early Friday. A
30.2 inch high will then build into the region later Friday through
Saturday.

LOZ062-160300-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
402 PM EDT Tue Jul 15 2025

.TONIGHT...Southeast winds 10 knots or less becoming southwest.
Waves 1 foot or less.
.WEDNESDAY...Southwest winds 10 knots or less becoming southeast.
Waves 1 foot or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest.
A chance of showers overnight. Waves 1 foot or less.
.THURSDAY...Southwest winds 10 to 15 knots becoming west. A
chance of showers in the morning, then showers likely with a
chance of thunderstorms in the afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 15 to 20 knots becoming north 10 to
15 knots. Showers likely with a chance of thunderstorms in the
evening. Waves 2 to 4 feet.
.FRIDAY...Northeast winds 5 to 15 knots becoming east. Waves 1 to
3 feet subsiding to 1 foot or less.
.SATURDAY...Southeast winds 5 to 10 knots becoming southwest. A
chance of showers Saturday night. Waves 1 foot or less.
.SUNDAY...North winds around 10 knots. A chance of showers during
the day. Waves 1 to 2 feet.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-160300-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
402 PM EDT Tue Jul 15 2025

.TONIGHT...Southeast winds 10 knots or less becoming south. Waves
1 foot or less.
.WEDNESDAY...South winds 5 to 10 knots becoming southeast. A
chance of showers and thunderstorms late. Waves 1 foot or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. A chance of showers
and thunderstorms. Waves 1 foot or less.
.THURSDAY...South winds 10 to 15 knots becoming west. A chance of
showers in the morning, then showers likely with a chance of
thunderstorms in the afternoon. Waves 1 to 3 feet.
.THURSDAY NIGHT...West winds 10 to 15 knots becoming north 15 to
20 knots. Showers likely with a chance of thunderstorms in the
evening, then a chance of showers overnight. Waves 2 to 4 feet.
.FRIDAY...North winds 5 to 15 knots becoming southwest. Waves
2 to 4 feet subsiding to 2 feet or less.
.SATURDAY...South winds 5 to 10 knots. A chance of showers
Saturday night. Waves 1 foot or less.
.SUNDAY...South winds around 10 knots becoming north. A chance of
showers during the day. Waves 2 feet or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-160300-
MAFOR 1521/
ONTARIO WEST 1/2 12300 12400 12500 11800 11300. Waves 1 foot or
less.

ONTARIO EAST 1/2 12300 14400 11400 11300. Waves 1 foot or less.

$$