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ON- Lake Ontario

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fzus61 kbuf 242003
glflo 
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open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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 a 30.5 inch high will gradually drift south from new 
england to the mid atlantic through sunday night. a cold front will 
move southeast across the lake monday. another 30.6 inch high will 
then build from northwest ontario province monday night to quebec by 
tuesday night, then off the new england coast by wednesday night.


loz062-250300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt sat oct 24 2026

.tonight...east winds 10 knots or less becoming southwest. waves
1 foot or less. 
.sunday...southwest winds 10 knots or less becoming south. waves
1 foot or less. 
.sunday night...south winds 5 to 15 knots becoming southwest.
waves 2 feet or less. 
.monday...west winds 5 to 15 knots becoming northwest. waves 1 to
3 feet. 
.monday night...northwest winds 15 to 20 knots becoming northeast
10 to 15 knots. 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. 
.thursday...southwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 

$$
fzus61 kbuf 242003
glflo 
expires:202610250300;;124011

open lake forecast for lake ontario
national weather service buffalo ny
402 pm 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 a 30.5 inch high will gradually drift south from new 
england to the mid atlantic through sunday night. a cold front will 
move southeast across the lake monday. another 30.6 inch high will 
then build from northwest ontario province monday night to quebec by 
tuesday night, then off the new england coast by wednesday night.


loz063>065-250300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sat oct 24 2026

.tonight...east winds 5 to 10 knots becoming south. waves 2 feet
or less. 
.sunday...south winds 5 to 15 knots. 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 northwest.
waves 1 to 3 feet. 
.monday night...northwest 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...southeast winds 5 to 15 knots becoming south 15 to
20 knots. waves 2 feet or less building to 2 to 4 feet. 
.thursday...south winds 15 to 20 knots becoming west 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 

$$
fzus61 kbuf 242003
glfsl 
expires:202610250300;;124021

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


slz022-024-250300-
saint lawrence river from cape vincent to saint regis
403 pm edt sat oct 24 2026

.tonight...light and variable winds. clear.
.sunday...light and variable winds becoming southwest around
10 knots. sunny.
.sunday night...southwest winds 5 to 10 knots. a chance of
showers overnight. 
.monday...southwest winds 10 knots or less becoming northwest. a
chance of showers. 
.monday night...northwest winds 5 to 10 knots becoming north.
becoming mainly clear. 
.tuesday...north winds 5 to 10 knots becoming light and variable.
mainly clear. 
.wednesday...light and variable winds becoming south 5 to
10 knots. partly cloudy. 
.thursday...south winds 5 to 15 knots becoming southwest. a
chance of rain showers. 

$$
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