fzus61 kbuf 091403
glfsl 
expires:202609092100;;166839

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt wed sep 9 2026


slz022-024-092100-
saint lawrence river from cape vincent to saint regis
1003 am edt wed sep 9 2026

.rest of today...south winds 5 to 15 knots. a chance of showers
late this morning, then showers early this afternoon. showers
with a chance of thunderstorms late. 
.tonight...south winds 15 to 20 knots becoming southwest 10 to
15 knots. showers with a chance of thunderstorms in the evening. 
.thursday...west winds 10 to 15 knots. mostly sunny. 
.thursday night...northwest winds 10 knots or less. partly cloudy
in the evening, then becoming mainly clear. 
.friday...west winds 10 knots or less becoming south. mainly
clear. 
.saturday...south winds 5 to 15 knots. mainly clear, then
becoming partly cloudy. 
.sunday...southwest winds 10 knots or less becoming west. a
chance of showers. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 091402
glflo 
expires:202609092100;;166787

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed sep 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 30.2 inch ridge of high pressure over the east coast 
will slide east further into the atlantic today. a cold front will 
cross the lake while averaging 29.8 inches tonight. behind the cold 
front, another ridge averaging 30.0 inches will build from the 
western great lakes through friday and then exit toward new england 
on saturday. a warm front should sweep northeastward across lake 
ontario saturday night and be followed by a cold front sweeping 
eastward across the lake later on sunday.


loz062-092100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt wed sep 9 2026

.rest of today...south winds 10 to 15 knots becoming southwest
15 to 20 knots. showers, then showers with a chance of
thunderstorms late. waves 1 to 3 feet building to 2 to 4 feet. 
.tonight...southwest winds 15 to 20 knots becoming west. showers
likely with a chance of thunderstorms early, then a chance of
showers late in the evening. waves 3 to 5 feet subsiding to 2 to
4 feet. 
.thursday...west winds 15 to 20 knots. waves 2 to 4 feet. 
.thursday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northwest winds 10 knots or less becoming south. waves
2 feet or less. 
.saturday...south winds 10 knots or less becoming southwest. a
chance of showers saturday night. waves 1 foot or less. 
.sunday...west winds 5 to 10 knots becoming northwest. a chance
of showers during the day. waves 1 foot or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 091402
glflo 
expires:202609092100;;166788

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed sep 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 30.2 inch ridge of high pressure over the east coast 
will slide east further into the atlantic today. a cold front will 
cross the lake while averaging 29.8 inches tonight. behind the cold 
front, another ridge averaging 30.0 inches will build from the 
western great lakes through friday and then exit toward new england 
on saturday. a warm front should sweep northeastward across lake 
ontario saturday night and be followed by a cold front sweeping 
eastward across the lake later on sunday.


loz063>065-092100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt wed sep 9 2026

.rest of today...south winds 15 to 20 knots. showers likely late
this morning, then showers early this afternoon. showers with a
chance of thunderstorms late. waves 1 to 3 feet building to 2 to
4 feet. 
.tonight...southwest winds 15 to 25 knots becoming west. showers
with a chance of thunderstorms in the evening, then a chance of
showers after midnight. waves 2 to 4 feet building to 3 to
5 feet. 
.thursday...west winds 15 to 20 knots. waves 3 to 6 feet. 
.thursday night...northwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 3 to 6 feet subsiding to 2 to 4 feet. 
.friday...northwest winds 5 to 10 knots becoming south. waves
2 feet or less. 
.saturday...south winds 5 to 15 knots increasing to 15 to
20 knots. a chance of showers saturday night. waves 1 to 3 feet. 
.sunday...southwest winds 5 to 15 knots becoming northwest. a
chance of showers. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$