fzus61 kbuf 090204
glfsl 
expires:202608090900;;856650

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1004 pm edt sat aug 8 2026


slz022-024-090900-
saint lawrence river from cape vincent to saint regis
1004 pm edt sat aug 8 2026

.rest of tonight...southwest winds 5 to 10 knots. a chance of
showers and thunderstorms late this evening. 
.sunday...west winds 5 to 10 knots becoming southwest. mostly
sunny. 
.sunday night...southwest winds 10 knots or less becoming south.
partly cloudy in the evening, then becoming mostly cloudy. 
.monday...south winds 5 to 10 knots becoming southwest. a chance
of showers in the morning, then showers likely with a chance of
thunderstorms in the afternoon. 
.monday night...southwest winds 10 knots or less becoming west.
showers likely with a chance of thunderstorms in the evening,
then a chance of showers overnight. 
.tuesday...west winds less than 10 knots. partly cloudy. 
.wednesday...light and variable winds. a chance of showers. 
.thursday...southwest winds 10 knots or less becoming west.
showers likely. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 090203
glflo 
expires:202608090900;;856647

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sat aug 8 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 30.0 inches exits 
eastward before a cold front sweeps eastward across lake ontario 
tonight. behind the front, a ridge averaging 30.1 inches builds from 
the western great lakes through sunday. this ridge begins to exit 
eastward sunday night and another cold front should sweep eastward 
across lake ontario monday night. behind the front, a trough 
averaging 29.8 inches should linger over the eastern great lakes 
through this thursday.


loz062-090900-
lake ontario open waters from the niagara river to hamlin beach-
1003 pm edt sat aug 8 2026

.overnight...southwest winds 5 to 10 knots becoming
northwest and increasing to 15 to 25 knots. a
chance of showers and thunderstorms. waves around 1 foot. 
.sunday...northwest winds 15 to 20 knots becoming southwest and
diminishing to 5 to 10 knots. waves 2 feet or less. 
.sunday night...south winds 5 to 10 knots. waves 1 foot or less. 
.monday...southwest winds 5 to 15 knots becoming west. showers
likely. waves 2 feet or less. 
.monday night...west winds 5 to 15 knots. a chance of showers.
waves 1 to 2 feet. 
.tuesday...west winds 10 knots or less becoming northwest. a
chance of showers and thunderstorms. waves 1 foot or less. 
.wednesday...northwest winds 10 knots or less becoming west. a
chance of showers wednesday night. waves 1 foot or less. 
.thursday...west winds 5 to 15 knots becoming northwest. a chance
of showers during the day. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 090203
glflo 
expires:202608090900;;856648

open lake forecast for lake ontario
national weather service buffalo ny
1003 pm edt sat aug 8 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 30.0 inches exits 
eastward before a cold front sweeps eastward across lake ontario 
tonight. behind the front, a ridge averaging 30.1 inches builds from 
the western great lakes through sunday. this ridge begins to exit 
eastward sunday night and another cold front should sweep eastward 
across lake ontario monday night. behind the front, a trough 
averaging 29.8 inches should linger over the eastern great lakes 
through this thursday.


loz063>065-090900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1003 pm edt sat aug 8 2026

.overnight...southwest winds 10 to 15 knots becoming west
15 to 20 knots. a chance of showers and thunderstorms.
waves 2 feet or less. 
.sunday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.sunday night...west winds 5 to 15 knots becoming south. waves
2 feet or less. 
.monday...south winds 10 to 15 knots becoming west. showers
likely in the morning, then showers likely with a chance of
thunderstorms in the afternoon. waves 2 feet or less. 
.monday night...west winds 10 to 15 knots. showers likely in the
evening, then a chance of showers overnight. waves 1 to 2 feet. 
.tuesday...west winds 5 to 10 knots becoming northwest. waves
2 feet or less. 
.wednesday...west winds 5 to 10 knots becoming southwest. a
chance of showers wednesday night. waves 1 foot or less. 
.thursday...west winds 5 to 15 knots becoming northwest. a chance
of showers. waves 1 to 2 feet. 

winds and waves higher in and near thunderstorms.

$$