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open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sun nov 16 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...low pressure will deepen further to 28.8 inches over 
northern new england today before moving to the canadian maritimes 
monday, then north to labrador tuesday. a 30.3 inch high will then 
build from the upper great lakes tuesday to the lower great lakes 
wednesday, then to new england thursday.


loz064-065-162200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 am est sun nov 16 2025

...gale warning in effect through late tonight...

.rest of today...northwest gales to 35 knots. a chance of rain
showers late this morning. a chance of rain and snow showers
late. waves 12 to 16 feet. waves occasionally around 20 feet. 
.tonight...northwest gales to 35 knots. a chance of snow and rain
showers early, then a chance of snow showers from late evening
on. waves 10 to 15 feet subsiding to 8 to 11 feet. waves
occasionally around 19 feet. 
.monday...northwest winds to 30 knots becoming west. a chance of
snow showers in the morning. waves 7 to 11 feet. waves
occasionally around 14 feet. 
.monday night...northwest winds to 30 knots diminishing to 15 to
25 knots. waves 6 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet. 
.tuesday...northwest winds 15 to 20 knots becoming north 5 to
15 knots. waves 4 to 7 feet subsiding to 2 feet or less. waves
occasionally around 9 feet. 
.wednesday...east winds 10 knots or less becoming southeast.
waves 1 foot or less. 
.thursday...southeast winds 5 to 10 knots increasing to 15 to
20 knots. a chance of rain showers during the day, then rain
showers likely thursday night. waves 1 foot or less building to
1 to 3 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 am est sun nov 16 2025


slz022-162200-
saint lawrence river from cape vincent to ogdensburg-
1002 am est sun nov 16 2025

.rest of today...west winds 15 to 20 knots. snow and rain showers
likely late this morning, then a chance of snow and rain showers
early this afternoon. a chance of snow showers late. 
.tonight...west winds 15 to 20 knots becoming northwest 10 to
15 knots. snow showers likely in the evening, then a chance of
snow showers after midnight. 
.monday...northwest winds 10 to 15 knots becoming west. a chance
of snow showers in the morning. 
.monday night...west winds 5 to 15 knots. mostly cloudy. 
.tuesday...west winds 5 to 10 knots becoming light and variable.
partly cloudy. 
.wednesday...light and variable winds. partly cloudy, then
becoming mostly cloudy. 
.thursday...northeast winds 10 knots or less becoming southeast.
rain showers likely thursday night. 

$$