fzus61 kbuf 260803
glfsl 
expires:202605261500;;667586

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 am edt tue may 26 2026


slz022-261500-
saint lawrence river from cape vincent to ogdensburg-
403 am edt tue may 26 2026

.today...southwest winds 5 to 15 knots increasing to 15 to
20 knots. sunny.
.tonight...southwest winds 5 to 15 knots diminishing to less than
10 knots. partly cloudy. 
.wednesday...light and variable winds. mostly sunny. 
.wednesday night...northwest winds 10 knots or less becoming
north. partly cloudy. 
.thursday...north winds 5 to 10 knots becoming light and
variable. partly to mostly cloudy. 
.friday...west winds 5 to 10 knots becoming north. showers
likely. 
.saturday...north winds 5 to 10 knots becoming light and
variable. becoming mainly clear. 

$$

fzus61 kbuf 260803
glfsl 
expires:202605261500;;667587

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 am edt tue may 26 2026


slz024-261500-
saint lawrence river from ogdensburg to saint regis-
403 am edt tue may 26 2026

.today...southwest winds 5 to 15 knots increasing to 15 to
20 knots. sunny.
.tonight...southwest winds 15 to 20 knots becoming west and
diminishing to less than 10 knots after midnight. mainly clear in
the evening, then becoming partly cloudy. 
.wednesday...light and variable winds becoming northwest 5 to
10 knots. mostly sunny. 
.wednesday night...northwest winds less than 10 knots becoming
north. partly cloudy. 
.thursday...north winds 5 to 10 knots becoming light and
variable. partly to mostly cloudy. 
.friday...west winds 10 knots or less becoming north. showers
likely. 
.saturday...north winds 5 to 10 knots becoming light and
variable. a chance of showers during the day. 

$$

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glflo 
expires:202605261500;;667459

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt tue may 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 30.1 inch high will remain across the region today. a 
cold front associated with a 29.8 inch low over new england will 
drop south across the lake wednesday morning. a 30.2 inch high over 
canada will start to expand south over the lake on thursday into 
friday. a 29.6 inch low is expected to move across new england 
saturday.


loz063>065-261500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt tue may 26 2026

.today...southwest winds 5 to 15 knots becoming south. waves
2 feet or less. 
.tonight...southwest winds 5 to 15 knots becoming west. waves
2 feet or less. 
.wednesday...west winds 5 to 10 knots. waves 1 to 2 feet. 
.wednesday night...west winds 5 to 15 knots becoming north. waves
2 feet or less. 
.thursday...north winds 5 to 15 knots becoming west. waves 2 feet
or less. 
.friday...west winds 10 to 15 knots becoming north. waves 1 to
3 feet. 
.saturday...north winds 5 to 15 knots becoming northwest. waves
1 to 3 feet subsiding to 1 foot or less. 

$$