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ON- Lake Ontario

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fzus61 kbuf 240803
glflo 
expires:202610241500;;095862

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sat oct 24 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 30.5 inches affects the lake through 
sunday night as the embedded high pressure center drifts generally 
southward from southern quebec toward the mid-atlantic states. the 
ridge then exits southeastward as a weak cold front sweeps 
southeastward across the lake on monday. behind the front, another 
ridge averaging 30.5 inches affects the lake through this wednesday 
as the embedded high pressure center wobbles southeastward from near 
manitoba to near the gulf of maine.


loz062-241500-
lake ontario open waters from the niagara river to hamlin beach-
402 am edt sat oct 24 2026

.today...southeast winds 10 knots or less becoming east. waves
1 foot or less. 
.tonight...east winds 10 knots or less becoming southwest. waves
1 foot or less. 
.sunday...southwest winds 5 to 10 knots. waves 1 foot or less. 
.sunday night...southwest winds 10 to 15 knots. waves 2 feet or
less. 
.monday...west winds 10 to 15 knots becoming northeast. waves
1 to 3 feet. 
.tuesday...northeast winds 5 to 15 knots becoming east. waves
1 to 3 feet. 
.wednesday...east winds 5 to 15 knots becoming south. waves 1 to
2 feet. 

$$
fzus61 kbuf 240803
glflo 
expires:202610241500;;095863

open lake forecast for lake ontario
national weather service buffalo ny
402 am edt sat oct 24 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 30.5 inches affects the lake through 
sunday night as the embedded high pressure center drifts generally 
southward from southern quebec toward the mid-atlantic states. the 
ridge then exits southeastward as a weak cold front sweeps 
southeastward across the lake on monday. behind the front, another 
ridge averaging 30.5 inches affects the lake through this wednesday 
as the embedded high pressure center wobbles southeastward from near 
manitoba to near the gulf of maine.


loz063>065-241500-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am edt sat oct 24 2026

.today...southeast winds less than 10 knots becoming east. waves
1 foot or less. 
.tonight...east winds 10 knots or less becoming south. waves
2 feet or less. 
.sunday...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.sunday night...south winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.monday...southwest winds 10 to 15 knots becoming northeast 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.tuesday...northeast winds 15 to 20 knots becoming east and
diminishing to 5 to 10 knots. waves 2 to 4 feet subsiding to
1 foot or less. 
.wednesday...east winds 5 to 15 knots becoming south 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet. 

$$
fzus61 kbuf 240803
glfsl 
expires:202610241500;;095887

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 am edt sat oct 24 2026


slz022-024-241500-
saint lawrence river from cape vincent to saint regis
403 am edt sat oct 24 2026

.today...light and variable winds. sunny.
.tonight...light and variable winds. mainly clear. 
.sunday...south winds 10 knots or less becoming southwest. sunny.
.sunday night...southwest winds 5 to 10 knots. mostly cloudy. 
.monday...southwest winds 5 to 10 knots becoming north. a chance
of rain showers during the day. 
.tuesday...north winds 5 to 10 knots becoming light and variable.
mainly clear. 
.wednesday...light and variable winds becoming southeast 5 to
10 knots. partly cloudy. 

$$
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