fzus61 kbuf 142003
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open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt wed oct 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 30.4 inch high, centered just north of the great lakes 
tonight, will move east across quebec and new england thursday 
through thursday night. a 29.6 inch low will then move to southern 
lower michigan thursday night before passing over or just north of 
the lake friday. this low will deepen to 29.1 inches as it moves 
from the saint lawrence valley friday night to the canadian 
maritimes saturday. a strong and broad 30.6 inch surface high is 
then forecast to build from the ohio valley saturday night to the 
mid atlantic and southern new england areas by sunday night, and 
across southern atlantic canada monday.


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

.tonight...northwest winds 15 to 20 knots becoming northeast
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...northeast winds 10 to 15 knots becoming east 15 to
20 knots. waves 2 to 4 feet. 
.thursday night...east winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely in the evening, then showers overnight.
waves 3 to 5 feet subsiding to 2 to 4 feet. 
.friday...east winds around 10 knots becoming northwest and
increasing to 15 to 25 knots in the afternoon. showers. waves
2 to 4 feet building to 3 to 5 feet. 
.friday night...northwest winds to 30 knots becoming north. a
chance of showers in the evening. waves 4 to 7 feet. waves
occasionally around 9 feet. 
.saturday...northwest winds 15 to 25 knots becoming west. waves
4 to 7 feet subsiding to 3 to 5 feet. waves occasionally around
9 feet. 
.sunday...southwest winds 15 to 20 knots. waves 3 to 5 feet. 
.monday...southwest winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$

fzus61 kbuf 142003
glflo 
expires:202610150300;;098397

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt wed oct 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 30.4 inch high, centered just north of the great lakes 
tonight, will move east across quebec and new england thursday 
through thursday night. a 29.6 inch low will then move to southern 
lower michigan thursday night before passing over or just north of 
the lake friday. this low will deepen to 29.1 inches as it moves 
from the saint lawrence valley friday night to the canadian 
maritimes saturday. a strong and broad 30.6 inch surface high is 
then forecast to build from the ohio valley saturday night to the 
mid atlantic and southern new england areas by sunday night, and 
across southern atlantic canada monday.


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

.tonight...northwest winds 15 to 20 knots becoming north. waves
3 to 5 feet subsiding to 1 to 3 feet. 
.thursday...northeast winds 15 to 20 knots diminishing to 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday night...east winds 10 to 15 knots becoming southeast
and increasing to 15 to 25 knots. a chance of showers in the
evening, then showers overnight. waves 1 to 3 feet building to
3 to 5 feet. 
.friday...southeast winds 15 to 25 knots becoming northwest.
showers. waves 3 to 6 feet. 
.friday night...northwest winds to 30 knots becoming north.
showers likely in the evening, then a chance of showers
overnight. waves 5 to 8 feet. waves occasionally around 10 feet. 
.saturday...northwest winds to 30 knots becoming west and
diminishing to 15 to 20 knots. waves 5 to 8 feet subsiding to
3 to 6 feet. waves occasionally around 10 feet. 
.sunday...southwest winds 15 to 20 knots. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.monday...southwest winds 15 to 20 knots diminishing to 5 to
10 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$

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


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

.tonight...northwest winds 5 to 10 knots becoming north. mostly
cloudy early, then becoming partly cloudy. 
.thursday...north winds 10 knots or less becoming northeast.
partly to mostly sunny. 
.thursday night...northeast winds 10 knots or less becoming east.
rain showers overnight. 
.friday...east winds 5 to 15 knots becoming northwest. showers.
.friday night...northwest winds 10 to 15 knots increasing to
15 to 20 knots. rain showers in the evening, then a chance of
rain showers overnight. 
.saturday...northwest winds 5 to 15 knots becoming west less than
10 knots. partly cloudy. 
.sunday...southwest winds 5 to 15 knots. mainly clear. 
.monday...southwest winds 5 to 15 knots diminishing to less than
10 knots. mainly clear, then becoming partly cloudy. 

$$