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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
403 am est sun nov 1 2026


slz022-024-011600-
saint lawrence river from cape vincent to saint regis
403 am est sun nov 1 2026

.today...southwest winds 5 to 10 knots. mostly sunny. 
.tonight...southwest winds 5 to 10 knots. mostly cloudy. 
.monday...southwest winds 5 to 10 knots. partly to mostly sunny. 
.monday night...southwest winds less than 10 knots becoming
south. mostly cloudy. 
.tuesday...south winds 10 knots or less. a chance of showers. 
.wednesday...south winds 5 to 15 knots. a chance of showers
wednesday night. 
.thursday...south winds 10 knots or less. showers likely. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am est sun nov 1 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 settle over the northern mid 
atlantic states sunday through monday before drifting off the 
eastern seaboard tuesday. a 29.5 inch low is then forecast to move 
very slowly from the upper mississippi valley tuesday to the upper 
great lakes by wednesday, and then into western quebec by thursday 
and friday.


loz062-011600-
lake ontario open waters from the niagara river to hamlin beach-
402 am est sun nov 1 2026

.today...south winds less than 10 knots becoming east. waves
1 foot or less. 
.tonight...south winds 10 knots or less becoming southwest. waves
1 foot or less. 
.monday...southwest winds 10 knots or less becoming south. waves
1 foot or less. 
.monday night...south winds 10 knots or less. waves 1 foot or
less. 
.tuesday...south winds 5 to 10 knots. a chance of showers during
the day. waves 1 foot or less. 
.wednesday...south winds 5 to 15 knots. showers likely wednesday
night. waves 2 feet or less. 
.thursday...south winds 5 to 15 knots becoming southwest. showers
likely during the day, then a chance of showers thursday night.
waves 1 to 2 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
402 am est sun nov 1 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 settle over the northern mid 
atlantic states sunday through monday before drifting off the 
eastern seaboard tuesday. a 29.5 inch low is then forecast to move 
very slowly from the upper mississippi valley tuesday to the upper 
great lakes by wednesday, and then into western quebec by thursday 
and friday.


loz063>065-011600-
lake ontario open waters from hamlin beach to the saint lawrence
river-
402 am est sun nov 1 2026

.today...southwest winds 5 to 15 knots becoming southeast. waves
2 feet or less. 
.tonight...south winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.monday...southwest winds 5 to 10 knots becoming south. waves
2 feet or less. 
.monday night...southeast winds 10 knots or less becoming south.
waves 1 foot or less. 
.tuesday...south winds 5 to 15 knots. a chance of showers during
the day. waves 1 to 3 feet. 
.wednesday...south winds 15 to 20 knots. a chance of showers
wednesday night. waves 1 to 3 feet. 
.thursday...south winds 15 to 20 knots becoming southwest 10 to
15 knots. showers likely. waves 1 to 3 feet. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
327 am est sun nov 1 2026

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... 
high pressure 30.50 inches over new england will slowly shift 
east through tuesday. a warm front will lift north across the lake
late tuesday into wednesday before a cold front pushes east on
thursday.


lez061-169-011515-
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-
327 am est sun nov 1 2026

.today...southeast winds 10 knots or less becoming south. waves
1 foot or less. 
.tonight...south winds 5 to 10 knots. waves 1 foot or less. 
.monday...south winds 10 knots or less becoming southwest. waves
1 foot or less. 
.monday night...south winds 5 to 15 knots. waves 2 feet or less. 
.tuesday...south winds 5 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...south winds 15 to 20 knots. rain likely wednesday
night. waves 2 to 4 feet subsiding to 1 to 3 feet. 
.thursday...south winds 5 to 15 knots becoming southwest. rain
likely during the day, then a chance of rain thursday night.
waves 2 feet or less. 

$$