234
FZUS61 KBUF 150202
GLFLO

Open Lake Forecast for Lake Ontario
National Weather Service Buffalo NY
1002 PM EDT Mon Jul 14 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 Upper Midwest to New
England through Wednesday. A 29.7 inch low will track northeastward
across the Great Lakes and into Quebec Wednesday night and Thursday.
The trailing cold front will slowly track across the lake early on
Friday as another wave tracks across the region. A 30.2 inch surface
high pressure will build into the region late Friday into the
weekend.

LOZ062-150900-
Lake Ontario open waters from the Niagara River to Hamlin Beach-
1002 PM EDT Mon Jul 14 2025

.OVERNIGHT...Southwest winds 10 knots or less becoming
west. Waves 1 foot or less.
.TUESDAY...West winds less than 10 knots becoming northeast.
Waves 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots becoming
southwest. Waves 1 foot or less.
.WEDNESDAY...Southwest winds less than 10 knots becoming south. A
chance of showers and thunderstorms in the afternoon. Waves
1 foot or less.
.WEDNESDAY NIGHT...South winds 5 to 10 knots becoming southwest.
A chance of showers and thunderstorms in the evening, then a
chance of showers overnight. Waves 1 foot or less.
.THURSDAY...Southwest winds 10 to 15 knots becoming northwest.
Showers likely with a chance of thunderstorms. Waves 1 to 3 feet.
.FRIDAY...East winds 5 to 15 knots becoming northeast. A chance
of showers during the day. 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.

Winds and waves higher in and near thunderstorms.

$$

LOZ063>065-150900-
Lake Ontario open waters from Hamlin Beach to the Saint Lawrence
River-
1002 PM EDT Mon Jul 14 2025

.OVERNIGHT...South winds less than 10 knots becoming west.
Waves 1 foot or less.
.TUESDAY...West winds 10 knots or less becoming north. Waves
1 foot or less.
.TUESDAY NIGHT...East winds 10 knots or less becoming south.
Waves 1 foot or less.
.WEDNESDAY...South winds 10 knots or less. A chance of showers
and thunderstorms in the afternoon. Waves 1 foot or less.
.WEDNESDAY NIGHT...South winds 10 knots or less. A chance of
showers and thunderstorms. Waves 1 foot or less.
.THURSDAY...Southwest winds 5 to 15 knots becoming northwest.
Showers likely with a chance of thunderstorms. Waves 1 to 3 feet.
.FRIDAY...North winds 5 to 15 knots. A chance of showers during
the day. Waves 1 to 3 feet subsiding to 1 foot or less.
.SATURDAY...South winds 10 knots or less. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

LOZ061-150900-
MAFOR 1503/
ONTARIO WEST 1/2 11500 12600 11500 11600 11100 11200 11300. Waves
1 foot or less.

ONTARIO EAST 1/2 12500 11600 11500 11600 11700 11100 11300. Waves
1 foot or less.

$$