fzus61 kbuf 242003
glflo 
expires:202607250300;;536925

open lake forecast for lake ontario
national weather service buffalo ny
402 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 over the lake this morning will 
drift east of the lake today, and linger over new england through 
saturday before weakening and drifting off the east coast sunday. a 
29.5 inch area of low pressure will develop over the western great 
lakes sunday night and move north of the lake monday and tuesday, 
with a cold front slowly easing across the lake tuesday.


loz062-250300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt fri jul 24 2026

.tonight...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.

$$

fzus61 kbuf 242003
glflo 
expires:202607250300;;536926

open lake forecast for lake ontario
national weather service buffalo ny
402 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 over the lake this morning will 
drift east of the lake today, and linger over new england through 
saturday before weakening and drifting off the east coast sunday. a 
29.5 inch area of low pressure will develop over the western great 
lakes sunday night and move north of the lake monday and tuesday, 
with a cold front slowly easing across the lake tuesday.


loz063>065-250300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt fri jul 24 2026

.tonight...northeast 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.

$$

fzus61 kbuf 242003
glfsl 
expires:202607250300;;537017

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm edt fri jul 24 2026


slz022-024-250300-
saint lawrence river from cape vincent to saint regis
403 pm edt fri jul 24 2026

.tonight...southwest winds 5 to 10 knots becoming light and
variable. mainly clear. 
.saturday...south winds 10 knots or less becoming southwest.
sunny.
.saturday night...southwest winds less than 10 knots. partly to
mostly cloudy. 
.sunday...south winds 10 knots or less becoming southwest. mostly
sunny. 
.sunday night...southwest winds less than 10 knots. a chance of
showers overnight. 
.monday...south winds 10 knots or less. showers likely with a
chance of thunderstorms. 
.tuesday...south winds 10 knots or less becoming north. showers
with a chance of thunderstorms. 
.wednesday...north winds 10 knots or less becoming northwest. a
chance of showers and thunderstorms. 

winds and waves higher in and near thunderstorms.

$$