fzus61 kbuf 142003
glfsl 
expires:202607150300;;969247

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm edt tue jul 14 2026


slz022-024-150300-
saint lawrence river from cape vincent to saint regis
403 pm edt tue jul 14 2026

.tonight...southwest winds 15 to 20 knots becoming west 5 to
15 knots. a chance of showers and thunderstorms early, then
showers likely with a chance of thunderstorms. a chance of
showers late. patchy smoke late. 
.wednesday...west winds 10 knots or less becoming northwest.
areas of smoke. 
.wednesday night...northwest winds 10 knots or less becoming
west. patchy smoke in the evening. 
.thursday...west winds 10 knots or less. sunny.
.thursday night...northwest winds 10 knots or less. becoming
mainly clear. 
.friday...northwest winds less than 10 knots becoming south.
mainly clear, then becoming partly cloudy. 
.saturday...south winds less than 10 knots becoming north. a
chance of showers during the day, then showers likely with a
chance of thunderstorms saturday night. 
.sunday...north winds less than 10 knots. a chance of showers
during the day. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 142002
glflo 
expires:202607150300;;969156

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jul 14 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 large 30.2 inch high will shift well off the new 
england coast today, with a warm front shifting east of the lake 
this morning, while another 30.2 inch high shifts into the mid 
mississippi and lower ohio valleys. a cold front will cross the lake 
late tonight into wednesday morning, followed by a secondary cold 
front pushing south across the lake thursday night into friday. a 
weak 29.8 inch low over the upper great lakes friday, will move 
southeast into the lower great lakes on saturday.


loz062-150300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt tue jul 14 2026

.tonight...west winds 15 to 20 knots. waves 3 to 6 feet subsiding
to 2 to 4 feet. 
.wednesday...west winds 5 to 10 knots. areas of smoke. waves 1 to
3 feet subsiding to 1 foot or less. 
.wednesday night...northwest winds 5 to 10 knots becoming west.
areas of smoke in the evening. waves 1 to 2 feet. 
.thursday...west winds 5 to 15 knots. waves 2 feet or less. 
.thursday night...northwest winds 5 to 15 knots becoming
northeast. waves 1 to 3 feet. 
.friday...northeast winds 5 to 10 knots becoming southeast. a
chance of showers friday night. waves 1 foot or less. 
.saturday...southeast winds 5 to 15 knots becoming northwest.
showers likely with a chance of thunderstorms. waves 2 feet or
less. 
.sunday...north winds 10 knots or less becoming west. a chance of
showers during the day. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$

fzus61 kbuf 142002
glflo 
expires:202607150300;;969157

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jul 14 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 large 30.2 inch high will shift well off the new 
england coast today, with a warm front shifting east of the lake 
this morning, while another 30.2 inch high shifts into the mid 
mississippi and lower ohio valleys. a cold front will cross the lake 
late tonight into wednesday morning, followed by a secondary cold 
front pushing south across the lake thursday night into friday. a 
weak 29.8 inch low over the upper great lakes friday, will move 
southeast into the lower great lakes on saturday.


loz063>065-150300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt tue jul 14 2026

.tonight...west winds 15 to 25 knots. patchy smoke late. waves
4 to 7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.wednesday...west winds 10 to 15 knots. areas of smoke. waves
3 to 5 feet subsiding to 1 to 3 feet. 
.wednesday night...west winds 5 to 15 knots. patchy smoke in the
evening. waves 1 to 3 feet. 
.thursday...west winds 5 to 15 knots increasing to 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet. 
.thursday night...west winds 15 to 20 knots becoming northeast
5 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.friday...northeast winds 5 to 10 knots becoming south. a chance
of showers friday night. waves 2 feet or less. 
.saturday...southeast winds 5 to 15 knots becoming west. showers
likely with a chance of thunderstorms. waves 2 feet or less. 
.sunday...north winds 5 to 15 knots becoming west. a chance of
showers during the day. waves 2 feet or less. 

winds and waves higher in and near thunderstorms.

$$