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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
709 pm edt wed may 12 2021

slz022-024-130300-
saint lawrence river from cape vincent to saint regis
709 pm edt wed may 12 2021

.tonight...northwest winds 5 to 10 knots becoming light and
variable. mainly clear. 
.thursday...light and variable winds becoming west 5 to 10 knots.
sunny.
.thursday night...west winds 10 knots or less becoming southwest.
mainly clear. 
.friday...southwest winds 10 knots or less. mostly sunny. 
.friday night...southwest winds 10 knots or less. partly cloudy. 
.saturday...southwest winds 10 knots or less. partly cloudy. 
.sunday...southwest winds 10 knots or less. mainly clear. 
.monday...southwest winds less than 10 knots becoming south. a
chance of showers monday night. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
709 pm edt wed may 12 2021

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 expansive high averaging 30.3 inches will gradually
settle across the ohio valley through friday before shifting to
the mid-atlantic coast over the weekend.

loz062-130300-
lake ontario open waters from the niagara river to hamlin beach-
709 pm edt wed may 12 2021

.tonight...northwest winds 10 to 15 knots becoming west. waves
1 to 3 feet. 
.thursday...west winds 5 to 10 knots. waves 2 feet or less. 
.thursday night...west winds 5 to 10 knots. waves 2 feet or less.
.friday...west winds 5 to 10 knots becoming southwest. waves
2 feet or less. 
.friday night...southwest winds 5 to 10 knots becoming west.
waves 1 foot or less. 
.saturday...southwest winds 5 to 10 knots becoming west. waves
1 foot or less. 
.sunday...southwest winds less than 10 knots becoming south.
waves 1 foot or less. 
.monday...southeast winds 5 to 10 knots. a chance of showers.
waves 1 foot or less. 

$$

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loz063>065-130300-
lake ontario open waters from hamlin beach to the saint lawrence
river-
709 pm edt wed may 12 2021

.tonight...west winds 10 to 15 knots. waves 1 to 3 feet. 
.thursday...west winds 5 to 15 knots. waves 2 feet or less. 
.thursday night...west winds 5 to 15 knots. waves 1 to 2 feet. 
.friday...west winds 5 to 15 knots. waves 1 to 2 feet. 
.friday night...west winds 5 to 10 knots becoming southwest.
waves 1 to 2 feet. 
.saturday...southwest winds 5 to 10 knots becoming west. waves
1 foot or less. 
.sunday...southwest winds 5 to 10 knots. waves 1 foot or less. 
.monday...southeast winds 5 to 10 knots becoming south. a chance
of showers. waves 1 foot or less. 

$$

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open lake forecast for lake erie
national weather service cleveland oh
331 pm edt wed may 12 2021

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 will build into the region tonight, 
slowly moving east. the high will be centered just south of the 
lake friday morning. by sunday, the high will weaken to 30.30 
inches and be centered over the mid-atlantic states. a warm front
will lift north across the lake monday night.


lez061-168-169-130230-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-geneva-on-the-
lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
331 pm edt wed may 12 2021

.tonight...west winds 5 to 15 knots. waves 1 to 3 feet. 
.thursday...west winds 5 to 15 knots becoming southwest. waves
1 to 2 feet. 
.thursday night...west winds 10 knots or less becoming southwest.
waves 1 to 2 feet. 
.friday...southwest winds 10 knots or less becoming west. waves
1 foot or less. 
.friday night...west winds 10 knots or less becoming southwest.
waves 1 foot or less. 
.saturday...southwest winds 10 knots or less becoming south.
waves 1 foot or less. 
.sunday...south winds 10 knots or less becoming southeast. waves
1 foot or less. 
.monday...southeast winds 5 to 10 knots. a chance of showers.
waves 2 feet or less. 

$$