fzus61 kbuf 172003
glflo 
expires:202610180300;;270639

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt sat oct 17 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 ridge averaging 30.2 inches affects the lake through 
this thursday. one embedded high pressure center should wobble 
northeastward from the southern great plains to near newfoundland 
through sunday night. another embedded and reinforcing high pressure 
center should move from near the border of the north-central united 
states and canada to near the canadian maritimes this monday through 
wednesday. a third embedded and reinforcing high pressure center 
should move eastward from the canadian prairies to near the border 
of ontario and quebec this wednesday through thursday.


loz062-180300-
lake ontario open waters from the niagara river to hamlin beach-
403 pm edt sat oct 17 2026

.tonight...west winds 10 to 15 knots becoming southwest 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.sunday...southwest winds 15 to 20 knots. waves 2 to 4 feet. 
.sunday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.monday...southwest winds 5 to 10 knots becoming west. waves
2 feet or less. 
.monday night...west winds 10 knots or less becoming north. waves
1 foot or less. 
.tuesday...northeast winds 5 to 10 knots. waves 2 feet or less. 
.wednesday...northeast winds 5 to 10 knots becoming light and
variable. waves 2 feet or less. 
.thursday...northeast winds 10 knots or less increasing to 10 to
15 knots. waves 2 feet or less. 

$$

fzus61 kbuf 172003
glflo 
expires:202610180300;;270640

open lake forecast for lake ontario
national weather service buffalo ny
403 pm edt sat oct 17 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 ridge averaging 30.2 inches affects the lake through 
this thursday. one embedded high pressure center should wobble 
northeastward from the southern great plains to near newfoundland 
through sunday night. another embedded and reinforcing high pressure 
center should move from near the border of the north-central united 
states and canada to near the canadian maritimes this monday through 
wednesday. a third embedded and reinforcing high pressure center 
should move eastward from the canadian prairies to near the border 
of ontario and quebec this wednesday through thursday.


loz063>065-180300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
403 pm edt sat oct 17 2026

.tonight...west winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 
.sunday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 2 to 4 feet. 
.sunday night...southwest winds 10 to 15 knots. waves 1 to
3 feet. 
.monday...southwest winds 5 to 15 knots becoming west. waves 1 to
3 feet. 
.monday night...west winds 10 knots or less becoming north. waves
1 foot or less. 
.tuesday...northeast winds 5 to 15 knots. waves 1 to 3 feet. 
.wednesday...northeast winds 5 to 15 knots diminishing to less
than 10 knots. waves 2 feet or less. 
.thursday...north winds less than 10 knots becoming northeast
10 to 15 knots. waves 1 foot or less building to 1 to 3 feet. 

$$

fzus61 kbuf 172003
glfsl 
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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm edt sat oct 17 2026


slz022-024-180300-
saint lawrence river from cape vincent to saint regis
403 pm edt sat oct 17 2026

.tonight...southwest winds 10 knots or less. mainly clear. 
.sunday...southwest winds 5 to 15 knots. sunny.
.sunday night...southwest winds 10 to 15 knots. mainly clear. 
.monday...southwest winds 5 to 10 knots. sunny.
.monday night...southwest winds less than 10 knots. mainly clear.
.tuesday...northeast winds 10 knots or less. mainly clear. 
.wednesday...northeast winds less than 10 knots. mainly clear. 
.thursday...light and variable winds. partly cloudy. 

$$