fzus61 kbuf 252002
glflo 
expires:202510260300;;753433

open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt sat oct 25 2025

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...an elongated 30.4 inch high stretching form james bay to 
the mid-atlantic coast tonight will shift to eastern quebec through 
monday night and strengthen to 30.6 inches. this large high will 
remain anchored across quebec while slowly weakening through 
wednesday night. a surface low will develop along the east coast on 
thursday dropping to near 29.1 inches.


loz063>065-260300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 pm edt sat oct 25 2025

.tonight...northwest winds 15 to 20 knots becoming northeast
10 to 15 knots. a chance of showers this evening. waves 1 to
3 feet. 
.sunday...northeast winds 5 to 15 knots becoming north. waves
2 feet or less. 
.sunday night...northeast winds 5 to 10 knots. waves 1 foot or
less. 
.monday...northeast winds 10 to 15 knots. waves 2 feet or less. 
.monday night...northeast winds 10 to 15 knots becoming east.
waves 1 to 3 feet. 
.tuesday...east winds 15 to 20 knots. waves 1 to 3 feet building
to 3 to 5 feet. 
.wednesday...east winds 10 to 15 knots becoming northeast 15 to
20 knots. a chance of showers wednesday night. waves 2 to 4 feet.
.thursday...northeast winds 15 to 25 knots becoming northwest. a
chance of showers during the day, then showers likely thursday
night. waves 3 to 6 feet. 

$$

fzus61 kbuf 252002
glfsl 
expires:202510260300;;753431

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
402 pm edt sat oct 25 2025


slz022-024-260300-
saint lawrence river from cape vincent to saint regis
402 pm edt sat oct 25 2025

.tonight...northwest winds 5 to 10 knots. mostly cloudy. 
.sunday...northwest winds less than 10 knots becoming north.
partly sunny. 
.sunday night...north winds less than 10 knots. partly to mostly
cloudy. 
.monday...north winds 10 knots or less becoming northeast. mostly
sunny. 
.monday night...northeast winds 10 knots or less. partly cloudy. 
.tuesday...northeast winds 10 knots or less. partly cloudy. 
.wednesday...northeast winds 10 knots or less. a chance of rain
showers wednesday night. 
.thursday...northeast winds 10 knots or less becoming north. a
chance of rain showers during the day, then rain showers likely
thursday night. 

$$