fzus61 kbuf 271403
glfsl 
expires:202608272100;;447285

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt thu aug 27 2026


slz022-024-272100-
saint lawrence river from cape vincent to saint regis
1003 am edt thu aug 27 2026

.rest of today...south winds 10 to 15 knots becoming southwest. a
chance of showers late this morning, then showers likely with a
chance of thunderstorms early this afternoon. a chance of showers
late. 
.tonight...southwest winds 10 knots or less becoming northwest. a
chance of showers early. 
.friday...northwest winds less than 10 knots. becoming mostly
sunny. 
.friday night...light and variable winds. mainly clear. 
.saturday...southwest winds 10 knots or less. mainly clear, then
becoming partly cloudy. 
.sunday...southwest winds 10 knots or less. a chance of showers. 
.monday...northeast winds less than 10 knots becoming east. a
chance of showers. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 271402
glflo 
expires:202608272100;;447229

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt thu aug 27 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 pre-frontal trough will cross the lower great lakes 
today, followed by a weak cold front tonight. a 30.2 inch high will 
then build from the upper great lakes friday to the lower great 
lakes saturday before drifting off the new england coast sunday. a 
weak frontal boundary is then forecast to stall just north of the 
lake sunday night through tuesday.


loz063>065-272100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt thu aug 27 2026

.rest of today...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. showers likely with a chance of thunderstorms
late this morning, then a chance of showers this afternoon. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.tonight...west winds 5 to 15 knots becoming northwest. a chance
of waterspouts late. waves 1 to 2 feet. 
.friday...north winds 5 to 10 knots becoming northwest. a chance
of waterspouts in the morning. waves 2 feet or less. 
.friday night...northwest winds less than 10 knots becoming west.
waves 1 foot or less. 
.saturday...west winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.sunday...southwest winds 5 to 15 knots. showers likely sunday
night. waves 2 feet or less. 
.monday...south winds 5 to 10 knots becoming east. showers likely
during the day, then a chance of showers monday night. waves
1 foot or less. 

winds and waves higher in and near thunderstorms.

$$