fzus61 kbuf 042003
glfsl 
expires:202609050300;;908304

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm edt fri sep 4 2026


slz022-024-050300-
saint lawrence river from cape vincent to saint regis
403 pm edt fri sep 4 2026

.tonight...northwest winds less than 10 knots. patchy fog after
midnight. 
.saturday...north winds 10 knots or less becoming northeast.
patchy fog early. a chance of showers late. 
.saturday night...northeast winds 5 to 10 knots. becoming mainly
clear. 
.sunday...northeast winds 5 to 10 knots becoming north. sunny.
.sunday night...north winds less than 10 knots. patchy fog
overnight. 
.monday...light and variable winds. patchy fog during the day. 
.tuesday...northwest winds 10 knots or less becoming southeast. a
chance of showers tuesday night. 
.wednesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. showers likely. 

$$

fzus61 kbuf 042002
glflo 
expires:202609050300;;908281

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt fri sep 4 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 high pressure ridge averaging 30.1 inches builds gradually from 
northern ontario through monday. during monday night, a cold front 
will sweep southward across lake ontario. behind the front, another 
ridge averaging 30.1 inches builds from near james bay through 
tuesday. on wednesday, the ridge should exit southeastward and allow 
a warm front to sweep northeastward across lake ontario.


loz063>065-050300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt fri sep 4 2026

.tonight...west winds 5 to 10 knots becoming north. waves 1 foot
or less. 
.saturday...north winds 5 to 10 knots. waves 1 foot or less. 
.saturday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.sunday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.sunday night...northeast winds 10 knots or less becoming
northwest. waves 2 feet or less. 
.monday...northwest winds 10 knots or less becoming west. waves
1 foot or less. 
.tuesday...north winds 5 to 15 knots becoming southeast. waves
2 feet or less. 
.wednesday...south winds 15 to 25 knots becoming west. showers
likely. waves 1 to 3 feet building to 3 to 6 feet. 

$$