fzus61 kbuf 092003
glfsl 
expires:202607100300;;692827

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm edt thu jul 9 2026


slz022-024-100300-
saint lawrence river from cape vincent to saint regis
403 pm edt thu jul 9 2026

.tonight...light and variable winds. showers with a chance of
thunderstorms early, then a chance of showers and thunderstorms
late this evening. 
.friday...light and variable winds. becoming mostly sunny. 
.friday night...north winds less than 10 knots. mainly clear in
the evening, then becoming partly cloudy. 
.saturday...northeast winds 10 knots or less becoming north.
sunny.
.saturday night...north winds less than 10 knots. clear.
.sunday...light and variable winds. mainly clear. 
.monday...southwest winds 5 to 10 knots. mainly clear, then
becoming partly cloudy. 
.tuesday...southwest winds 5 to 15 knots becoming west. a chance
of showers tuesday night. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 092002
glflo 
expires:202607100300;;692803

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt thu jul 9 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 cold front will cross the lake tonight through 
early friday. another 30.0 inch high will then build across the 
upper great lakes friday and the lower great lakes over the weekend, 
expanding east into new england monday, then drifting south into the 
mid-atlantic tuesday. this will allow for a warm front to pass 
across the lake tuesday.


loz063>065-100300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt thu jul 9 2026

.tonight...northwest winds 5 to 10 knots. a chance of showers and
thunderstorms early, then a chance of showers late this evening.
a chance of showers late. waves 1 foot or less. 
.friday...northwest winds less than 10 knots. a chance of showers
early. waves 1 foot or less. 
.friday night...northwest winds 10 knots or less becoming
northeast 10 to 15 knots. waves 2 feet or less. 
.saturday...northeast winds 5 to 15 knots. waves 2 feet or less. 
.saturday night...north winds 10 knots or less becoming
northeast. waves 1 foot or less. 
.sunday...northeast winds 10 knots or less becoming south. waves
1 foot or less. 
.monday...south winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.tuesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 

winds and waves higher in and near thunderstorms.

$$