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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue oct 14 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...a 29.6 inch coastal low will continue to move east 
over the western atlantic today, while a ridge of high pressure 
averaging 30.2 inches builds across the lower great lakes. a cold 
front will move south across the lake tonight. an expansive 30.3 
inch high will then build from the upper great lakes wednesday to 
quebec and the lower great lakes thursday through friday. the large 
surface high will push off the southeast coast on saturday as a 
large surface low of 29.2 inches tracks across ontario, pushing its 
associated cold front across the lake saturday night.


loz062-142100-
lake ontario open waters from the niagara river to hamlin beach-
1002 am edt tue oct 14 2025

.this afternoon...north winds 10 knots or less becoming west.
waves 1 foot or less. 
.tonight...northwest winds 10 to 15 knots becoming north 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday night...northwest winds 10 to 15 knots becoming north
15 to 20 knots. waves 2 to 4 feet. 
.thursday...north winds 5 to 15 knots. waves 1 to 3 feet
subsiding to 1 foot or less. 
.friday...southwest winds 10 knots or less becoming south. a
chance of showers friday night. waves 1 foot or less. 
.saturday...south winds 10 to 15 knots becoming southwest. a
chance of showers during the day, then showers likely saturday
night. waves 1 to 2 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1002 am edt tue oct 14 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...a 29.6 inch coastal low will continue to move east 
over the western atlantic today, while a ridge of high pressure 
averaging 30.2 inches builds across the lower great lakes. a cold 
front will move south across the lake tonight. an expansive 30.3 
inch high will then build from the upper great lakes wednesday to 
quebec and the lower great lakes thursday through friday. the large 
surface high will push off the southeast coast on saturday as a 
large surface low of 29.2 inches tracks across ontario, pushing its 
associated cold front across the lake saturday night.


loz063>065-142100-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1002 am edt tue oct 14 2025

.this afternoon...north winds 5 to 10 knots becoming west. waves
1 foot or less. 
.tonight...west winds 10 to 15 knots becoming north 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday...north winds 15 to 20 knots becoming northwest 10 to
15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.wednesday night...north winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 3 to 5 feet. 
.thursday...north winds 15 to 20 knots diminishing to 5 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.friday...north winds 10 knots or less becoming south. a chance
of showers friday night. waves 1 foot or less. 
.saturday...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers during the day, then showers likely
saturday night. waves 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 edt tue oct 14 2025


slz022-024-142100-
saint lawrence river from cape vincent to saint regis
1002 am edt tue oct 14 2025

.rest of today...light and variable winds. partly sunny late this
morning, then becoming mostly sunny. 
.tonight...southwest winds 10 knots or less becoming north.
mainly clear early, then becoming mostly cloudy. 
.wednesday...north winds 10 to 15 knots. mostly sunny. 
.wednesday night...north winds 5 to 10 knots. mainly clear. 
.thursday...north winds 5 to 10 knots becoming light and
variable. mainly clear. 
.friday...light and variable winds. a chance of rain showers
friday night. 
.saturday...south winds 5 to 10 knots. a chance of showers during
the day, then showers likely saturday night. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
913 am edt tue oct 14 2025

for waters beyond five nautical miles of shore on lake erie

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 ridge averaging 30.10 inches maintain across the lake today 
before a cold front moves across lake erie this afternoon. high 
pressure 30.20 inches will enter the region behind the front for
wednesday. this system will remain in the region on thursday and
shift east on friday. a warm front will cross the lake on friday
night ahead of a larger system this weekend.


lez061-169-142015-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
913 am edt tue oct 14 2025

.this afternoon...northeast winds 5 to 10 knots becoming north.
waves 2 feet or less. 
.tonight...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet. 
.wednesday...northeast winds 15 to 20 knots becoming north 5 to
15 knots. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.wednesday night...north winds 10 to 15 knots becoming northeast.
waves 1 to 3 feet. 
.thursday...north winds 10 knots or less becoming southeast.
waves 2 feet or less. 
.friday...south winds 10 knots or less increasing to 10 to
15 knots. a chance of showers friday night. waves 2 feet or less.
.saturday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. a chance of showers during the day, then showers
saturday night. waves 1 to 3 feet. 

$$