fzus61 kbuf 252003
glflo 
expires:202610260300;;177059

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sun oct 25 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 30.5 inch high will gradually drift south across the 
mid atlantic through monday. a cold front will move southeast across 
the lake early monday afternoon. another 30.6 inch high will then 
build from northwest ontario province monday night to southern 
quebec and new england by tuesday night, then off the new england 
coast by wednesday night. this high will then linger east of the mid 
atlantic and new england through thursday. another weak cold front 
is then forecast to cross the lower great lakes thursday night.


loz063>065-260300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sun oct 25 2026

.tonight...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...north winds 10 to 15 knots becoming northeast
15 to 20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.tuesday...northeast winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.tuesday night...northeast winds 5 to 10 knots becoming
southeast. waves 1 foot or less. 
.wednesday...southeast winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 
.thursday...south winds 15 to 20 knots becoming west 10 to
15 knots. a chance of showers thursday night. waves 1 to 3 feet. 
.friday...west winds 5 to 15 knots becoming south. waves 2 feet
or less. 

$$

fzus61 kbuf 252003
glfsl 
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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 pm edt sun oct 25 2026


slz022-024-260300-
saint lawrence river from cape vincent to saint regis
403 pm edt sun oct 25 2026

.tonight...southwest winds 10 knots or less. partly cloudy early,
then becoming mostly cloudy. 
.monday...southwest winds 10 knots or less becoming northwest. a
chance of showers through early afternoon. 
.monday night...northwest winds 5 to 10 knots becoming north.
becoming mainly clear. 
.tuesday...north winds 5 to 10 knots becoming light and variable.
sunny.
.tuesday night...light and variable winds. mainly clear in the
evening, then becoming partly cloudy. 
.wednesday...light and variable winds becoming south 5 to
10 knots. partly cloudy. 
.thursday...southwest winds 5 to 10 knots. a chance of showers
thursday night. 
.friday...west winds less than 10 knots. a chance of showers
during the day. 

$$