fzus61 kbuf 071412
glfsl 
expires:202604072100;;980342

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1012 am edt tue apr 7 2026


slz022-024-072100-
saint lawrence river from cape vincent to saint regis
1012 am edt tue apr 7 2026

.this afternoon...north winds 15 to 20 knots becoming northwest
and diminishing to around 10 knots. snow showers. 
.tonight...northwest winds 5 to 10 knots becoming light and
variable. becoming mainly clear. 
.wednesday...light and variable winds. sunny.
.wednesday night...south winds 10 knots or less increasing to
10 to 15 knots. mainly clear in the evening, then becoming partly
cloudy. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of rain showers. 
.friday...southwest winds less than 10 knots becoming northwest.
a chance of rain showers. 
.saturday...northwest winds less than 10 knots. becoming mainly
clear. 

$$

fzus61 kbuf 071411
glflo 
expires:202604072100;;980313

open lake forecast for lake ontario
national weather service buffalo ny
1010 am edt tue apr 7 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 early 
this morning, then slide off the new england coast today. a 30.6 
inch high will then build from the central great lakes to the new 
england coastline through 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>065-072100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1010 am edt tue apr 7 2026

.rest of today...west winds to 30 knots diminishing to 15 to
25 knots. snow showers late this morning, then scattered snow
showers early this afternoon. waves 6 to 10 feet subsiding to
3 to 6 feet. waves occasionally around 13 feet. 
.tonight...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 1 foot 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 becoming southwest. a
chance of rain showers. waves 3 to 6 feet subsiding to 2 to
4 feet. 
.friday...south winds 5 to 15 knots becoming northwest. a chance
of rain showers. waves 2 feet or less. 
.saturday...northwest winds 5 to 15 knots becoming south less
than 10 knots. waves 2 feet or less. 

$$