fzus61 kbuf 262003
glfsl 
expires:202608270300;;406401

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
402 pm edt wed aug 26 2026


slz022-024-270300-
saint lawrence river from cape vincent to saint regis
402 pm edt wed aug 26 2026

.tonight...southwest winds 10 knots or less becoming south 10 to
15 knots. partly to mostly cloudy. 
.thursday...south winds 10 to 15 knots becoming southwest. a
chance of showers late in the morning. a chance of showers and
thunderstorms in the afternoon. 
.thursday night...southwest winds 5 to 10 knots becoming
northwest. a chance of showers and thunderstorms in the evening. 
.friday...northwest winds less than 10 knots. mostly cloudy in
the morning, then becoming mostly sunny. 
.friday night...northwest winds less than 10 knots. 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...east winds less than 10 knots becoming southeast. a
chance of showers. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 262002
glflo 
expires:202608270300;;406355

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt wed aug 26 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 will drift off the new england coast 
through tonight. a cold front will then cross the lower great lakes 
from west to east thursday. another 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.


loz062-270300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt wed aug 26 2026

.tonight...east winds 5 to 15 knots becoming south. a chance of
showers late. waves 1 to 2 feet. 
.thursday...southwest winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely early, then a chance of showers late in
the morning. a chance of showers and thunderstorms early in the
afternoon. waves 1 to 3 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest.
waves 1 to 3 feet. 
.friday...north winds 10 knots or less becoming northwest. waves
2 feet or less. 
.friday night...west winds less than 10 knots. waves 1 foot or
less. 
.saturday...southwest winds 10 knots or less. waves 1 foot or
less. 
.sunday...southwest winds 5 to 10 knots. a chance of showers
sunday night. waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots becoming south. a chance
of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 262002
glflo 
expires:202608270300;;406356

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt wed aug 26 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 will drift off the new england coast 
through tonight. a cold front will then cross the lower great lakes 
from west to east thursday. another 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.


loz063>065-270300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt wed aug 26 2026

.tonight...east winds 10 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday...south winds 15 to 20 knots becoming west 10 to
15 knots. showers likely with a chance of thunderstorms. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.thursday night...west winds 10 to 15 knots becoming northwest. a
chance of showers and thunderstorms in the evening. waves 1 to
3 feet. 
.friday...northwest winds 5 to 10 knots. waves 2 feet or less. 
.friday night...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.saturday...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.sunday...southwest winds 5 to 15 knots. a chance of showers
sunday night. waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots becoming south. a chance
of showers. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$