fzus61 kbuf 251403
glfsl 
expires:202606252100;;883683

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt thu jun 25 2026


slz022-024-252100-
saint lawrence river from cape vincent to saint regis
1003 am edt thu jun 25 2026

.this afternoon...southwest winds less than 10 knots becoming
south. showers likely with a chance of thunderstorms.

.tonight...southeast winds less than 10 knots. a chance of
showers and thunderstorms early, then showers with a chance of
thunderstorms. showers likely late. 
.friday...south winds 10 knots or less becoming west. showers
likely in the morning, then showers with a chance of
thunderstorms in the afternoon. 
.friday night...southwest winds less than 10 knots. showers with
a chance of thunderstorms in the evening. 
.saturday...light and variable winds. becoming mainly clear. 
.sunday...light and variable winds. mainly clear, then becoming
partly cloudy. 
.monday...light and variable winds. partly to mostly cloudy. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 251402
glflo 
expires:202606252100;;883661

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu jun 25 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 weak 29.9 inch low over central wisconsin will move to 
southern quebec through friday before passing across the canadian 
maritimes saturday. a 30.1 inch high will then build across the 
lower great lakes this weekend and then into the northeast monday.


loz063>065-252100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt thu jun 25 2026

.rest of today...southeast winds 10 knots or less. a chance of
showers late this morning, then showers early this afternoon.
showers likely with a chance of thunderstorms late. waves 1 foot
or less. 
.tonight...southeast winds 5 to 10 knots becoming southwest.
showers with a chance of thunderstorms in the evening, then a
chance of showers after midnight. waves 1 foot or less. 
.friday...southwest winds 5 to 10 knots becoming west. a chance
of showers in the morning. waves 2 feet or less. 
.friday night...west winds 10 knots or less becoming southwest.
waves 2 feet or less. 
.saturday...northeast winds less than 10 knots becoming north.
waves 1 foot or less. 
.sunday...north winds less than 10 knots. waves 1 foot or less. 
.monday...light and variable winds. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$