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fzus61 kbuf 221403
glflo 
expires:202607222100;;411136

open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt wed jul 22 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 30.2 inch high will build across the region through friday. the 
high will move off the east coast saturday. a 29.7 inch low will 
approach from the northwest through sunday.


loz063>065-222100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt wed jul 22 2026

.rest of today...west winds to 30 knots. a chance of showers late
this morning. waves 5 to 9 feet. waves occasionally around
11 feet. 
.tonight...west winds 15 to 25 knots diminishing to 5 to
10 knots. waves 5 to 8 feet subsiding to 1 to 2 feet. waves
occasionally around 10 feet. 
.thursday...west winds 10 to 15 knots. waves 1 to 3 feet. 
.thursday night...west winds 5 to 10 knots becoming southwest.
waves 2 feet or less. 
.friday...south winds 10 knots or less becoming southeast. waves
1 foot or less. 
.saturday...south winds 5 to 15 knots. waves 2 feet or less. 
.sunday...southwest winds 5 to 15 knots. a chance of showers.
waves 2 feet or less. 

$$
fzus61 kbuf 221403
glfsl 
expires:202607222100;;411185

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1003 am edt wed jul 22 2026


slz022-024-222100-
saint lawrence river from cape vincent to saint regis
1003 am edt wed jul 22 2026

.this afternoon...west winds 10 to 15 knots. a chance of showers. 
.tonight...west winds 5 to 15 knots becoming southwest less than
10 knots. mostly cloudy early, then becoming partly cloudy. 
.thursday...southwest winds 10 knots or less. sunny.
.thursday night...southwest winds 10 knots or less. mainly clear.
.friday...southwest winds less than 10 knots. mainly clear. 
.saturday...south winds 10 knots or less. mainly clear, then
becoming partly cloudy. 
.sunday...south winds 10 knots or less becoming southwest. a
chance of showers. 

$$
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