fzus61 kbuf 070208
glfsl 
expires:202604070900;;953132

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1008 pm edt mon apr 6 2026


slz022-024-070900-
saint lawrence river from cape vincent to saint regis
1008 pm edt mon apr 6 2026

.overnight...north winds 10 knots or less becoming
northeast. snow showers late. 
.tuesday...northeast winds 5 to 15 knots becoming northwest. snow
showers in the morning, then a chance of snow showers early in
the afternoon. 
.tuesday night...northwest winds 5 to 10 knots becoming light and
variable. mainly clear. 
.wednesday...southwest winds 10 knots or less. sunny.
.wednesday night...south winds 10 knots or less increasing to
10 to 15 knots. mainly clear. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of rain showers thursday night. 
.friday...southwest winds 10 knots or less becoming northwest. a
chance of rain showers. 
.saturday...northwest winds 10 knots or less becoming north.
becoming mainly clear. 

$$

fzus61 kbuf 070207
glflo 
expires:202604070900;;953085

open lake forecast for lake ontario
national weather service buffalo ny
1007 pm edt mon apr 6 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 29.9 inch clipper low will cross lake ontario tonight, 
then will slide off the new england coast tuesday. a 30.6 inch high 
will then build from the central great lakes tuesday to the new 
england coastline wednesday, before moving southeast of nova scotia 
thursday. a cold front will cross the lake friday, with a 30.5 inch 
high then forecast to build east across the great lakes saturday.


loz063>065-070900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1007 pm edt mon apr 6 2026

.rest of tonight...west winds 5 to 10 knots becoming northwest
and increasing to 15 to 20 knots. a chance of rain showers late
this evening, then rain and snow showers after midnight. waves
1 to 3 feet building to 2 to 4 feet. 
.tuesday...north winds to 30 knots becoming northwest 15 to
25 knots. snow showers early, then a chance of snow showers.
waves 3 to 6 feet building to 5 to 8 feet, then subsiding to 3 to
5 feet. waves occasionally around 10 feet. 
.tuesday night...west winds 15 to 20 knots becoming northwest
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday...southwest winds 10 knots or less becoming east.
waves 2 feet or less. 
.wednesday night...southeast winds 10 to 15 knots becoming south
and increasing to 15 to 25 knots. waves 1 to 3 feet building to
3 to 6 feet. 
.thursday...south winds 15 to 25 knots. waves 3 to 6 feet. 
.friday...south winds 15 to 20 knots becoming northwest 5 to
15 knots. a chance of rain showers. waves 2 to 4 feet subsiding
to 2 feet or less. 
.saturday...northwest winds 5 to 15 knots becoming east. waves
1 to 3 feet subsiding to 1 foot or less. 

$$