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open lake forecast for lake ontario
national weather service buffalo ny
347 am edt fri jun 18 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...a 30.1 inch high will drift off the east coast today.
a 29.6 inch low will then move from near james bay today to 
central quebec by saturday before moving into the canadian 
maritimes sunday. another 29.6 inch low will move into quebec
monday, with a trailing cold front slowly crossing the lake monday
night.


loz063>065-181530-
lake ontario open waters from hamlin beach to the saint lawrence
river-
347 am edt fri jun 18 2021

.today...south winds 10 to 15 knots. a chance of showers late
this morning. showers likely this afternoon. waves 1 to 3 feet. 
.tonight...south winds 5 to 15 knots becoming southwest. a chance
of showers early, then showers likely with a chance of
thunderstorms. waves 1 to 2 feet. 
.saturday...southwest winds 5 to 15 knots becoming west. a chance
of showers in the morning, then a chance of showers and
thunderstorms in the afternoon. waves 1 to 2 feet. 
.saturday night...southwest winds 5 to 15 knots becoming south. a
chance of showers and thunderstorms in the evening. waves 2 feet
or less. 
.sunday...south winds 10 knots or less. a chance of showers
sunday night. waves 1 foot or less. 
.monday...south winds 10 to 15 knots becoming west. showers
likely with a chance of thunderstorms. waves 2 feet or less. 
.tuesday...northwest winds 10 to 15 knots becoming west. showers
likely with a chance of thunderstorms. waves 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
347 am edt fri jun 18 2021


slz022-024-181530-
saint lawrence river from cape vincent to saint regis
347 am edt fri jun 18 2021

.today...south winds 5 to 15 knots becoming southwest. a chance
of showers early this afternoon. showers likely late. 
.tonight...south winds 5 to 10 knots becoming southwest. showers
likely early, then showers likely with a chance of thunderstorms.
.saturday...southwest winds 5 to 15 knots. a chance of showers in
the morning, then a chance of showers and thunderstorms in the
afternoon. 
.saturday night...southwest winds 10 knots or less becoming
south. a chance of showers and thunderstorms in the evening. 
.sunday...southwest winds less than 10 knots becoming south.
mainly clear, then becoming partly cloudy. 
.monday...south winds 5 to 15 knots becoming southwest.
occasional showers with a chance of thunderstorms. 
.tuesday...west winds 10 knots or less. occasional showers with a
chance of thunderstorms. 

winds and waves higher in and near thunderstorms.

$$