fzus61 kbuf 292003
glfsl 
expires:202606300300;;125406

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm edt mon jun 29 2026


slz022-024-300300-
saint lawrence river from cape vincent to saint regis
403 pm edt mon jun 29 2026

.tonight...light and variable winds. mainly clear this evening,
then becoming partly cloudy. 
.tuesday...south winds 10 knots or less becoming southwest. a
chance of showers and thunderstorms from late morning on. 
.tuesday night...southwest winds 5 to 10 knots. a chance of
showers and thunderstorms. 
.wednesday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms. 
.wednesday night...southwest winds 5 to 10 knots. a chance of
showers and thunderstorms in the evening. 
.thursday...southwest winds 5 to 10 knots. a chance of showers
and thunderstorms. 
.friday...southwest winds 10 knots or less. a chance of showers
during the day, then a chance of showers and thunderstorms friday
night. 
.saturday...southwest winds less than 10 knots. a chance of
showers and thunderstorms. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 292002
glflo 
expires:202606300300;;125382

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt mon jun 29 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 30.1 inch high draped from quebec to eastern new york 
will slide east into new england today, then offshore by tuesday. a 
warm front will cross the lake on tuesday, then another broad 30.1 
inch high will build into the ohio valley and mid atlantic by 
wednesday, where it will remain through at least thursday. a weak 
29.9 inch trough will then approach the lake friday into saturday.


loz063>065-300300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt mon jun 29 2026

.tonight...northeast winds 10 knots or less becoming south. waves
1 foot or less. 
.tuesday...south winds 5 to 10 knots. a chance of showers and
thunderstorms. waves 2 feet or less. 
.tuesday night...southwest winds 5 to 15 knots. waves 2 feet or
less. 
.wednesday...southwest winds 10 to 15 knots becoming west. waves
1 to 2 feet. 
.wednesday night...west winds 5 to 15 knots becoming southwest.
waves 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.friday...west winds 5 to 15 knots. a chance of showers and
thunderstorms. waves 1 to 2 feet. 
.saturday...west winds 5 to 10 knots. a chance of showers and
thunderstorms. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$