fzus61 kbuf 262003
glflo 
expires:202607270300;;653480

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt sun jul 26 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 29.5 inch low will develop over the western great 
lakes tonight into monday, before strengthening to 29.3 inches while 
moving southeast into the lower great lakes 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.


loz062-270300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt sun jul 26 2026

.tonight...southwest winds 10 knots or less. waves 1 foot or
less. 
.monday...southwest winds 10 knots or less becoming east. waves
1 foot or less. 
.monday night...southeast winds 5 to 10 knots becoming southwest.
showers likely with a chance of thunderstorms. waves 1 foot or
less. 
.tuesday...southwest winds 5 to 10 knots becoming northeast.
showers likely in the morning, then showers with a chance of
thunderstorms in the afternoon. waves 1 foot or less. 
.tuesday night...north winds 5 to 15 knots increasing to 15 to
20 knots. showers with a chance of thunderstorms in the evening,
then showers likely overnight. waves 1 to 3 feet. 
.wednesday...north winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers. waves 2 to 4 feet subsiding to
1 to 3 feet. 
.thursday...north winds 5 to 15 knots becoming northwest. waves
2 feet or less. 
.friday...west winds less than 10 knots becoming southwest. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 262003
glflo 
expires:202607270300;;653481

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt sun jul 26 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 29.5 inch low will develop over the western great 
lakes tonight into monday, before strengthening to 29.3 inches while 
moving southeast into the lower great lakes 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.


loz063>065-270300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt sun jul 26 2026

.tonight...southwest winds 10 knots or less. waves 1 foot or
less. 
.monday...southwest winds 5 to 10 knots becoming north. waves
1 foot or less. 
.monday night...east winds 10 knots or less becoming south.
showers likely with a chance of thunderstorms. waves 1 foot or
less. 
.tuesday...south winds 5 to 10 knots becoming east. showers with
a chance of thunderstorms. waves 1 foot or less. 
.tuesday night...east winds 5 to 15 knots becoming northeast
15 to 20 knots. showers with a chance of thunderstorms in the
evening, then showers overnight. waves 1 to 3 feet. 
.wednesday...northeast winds 15 to 20 knots becoming north 10 to
15 knots. showers likely with a chance of thunderstorms. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...north winds 5 to 15 knots becoming west less than
10 knots. waves 1 to 3 feet subsiding to 1 foot or less. 
.friday...west winds 10 knots or less becoming southwest. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 262003
glfsl 
expires:202607270300;;653539

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm edt sun jul 26 2026


slz022-024-270300-
saint lawrence river from cape vincent to saint regis
403 pm edt sun jul 26 2026

.tonight...southwest winds less than 10 knots. scattered showers
and thunderstorms early. 
.monday...south winds 10 knots or less becoming southwest.
scattered showers and thunderstorms from late morning on. 
.monday night...southwest winds less than 10 knots. scattered
thunderstorms with a chance of showers in the evening, then
showers likely overnight. 
.tuesday...southeast winds less than 10 knots becoming east.
showers with a chance of thunderstorms. 
.tuesday night...northeast winds 10 knots or less. showers with a
chance of thunderstorms in the evening, then showers likely
overnight. 
.wednesday...northeast winds 5 to 10 knots becoming north.
showers with a chance of thunderstorms. 
.thursday...north winds 5 to 10 knots becoming light and
variable. a chance of showers. 
.friday...light and variable winds. mainly clear, then becoming
partly cloudy. 

winds and waves higher in and near thunderstorms.

$$