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open lake forecast for lake ontario
national weather service buffalo ny
1014 pm edt thu oct 31 2024

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 low will cross southern quebec tonight
while its associated cold front will cross the lake. a 30.4 inch 
high will build across the upper great lakes friday before 
settling across the lower great lakes saturday. this high will 
slowly slide east of the lake sunday. a warm front from a 29.5 
inch low over the upper mississippi valley will track across the 
lake late sunday into monday. a 29.2 inch low will be found over
the upper great lakes on tuesday.


loz063>065-010915-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1014 pm edt thu oct 31 2024

.overnight...southwest winds 15 to 20 knots increasing to
30 knots. showers. waves 2 to 4 feet building to 5 to 8 feet.
waves occasionally around 10 feet. 
.friday...west winds to 30 knots. a chance of showers late. waves
8 to 12 feet. waves occasionally around 15 feet. 
.friday night...northwest winds 15 to 25 knots becoming north and
diminishing to 10 to 15 knots. showers likely in the evening,
then just a chance of showers overnight. waves 6 to 9 feet 
subsiding to 1 to 3 feet. waves occasionally around 11 feet. 
.saturday...north winds 10 knots or less becoming northwest. a
chance of rain showers in the morning. waves 2 feet or less. 
.saturday night...northwest winds less than 10 knots. waves
1 foot or less. 
.sunday...southeast winds 10 to 15 knots. rain likely sunday
night. waves 1 to 3 feet. 
.monday...southeast winds 15 to 25 knots. rain. waves building 
to 3 to 5 feet. 
.tuesday...south winds 15 to 25 knots. a chance of showers during
the day, then showers tuesday night. waves 3 to 6 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1013 pm edt thu oct 31 2024


slz022-024-010915-
saint lawrence river from cape vincent to saint regis
1013 pm edt thu oct 31 2024

...small craft advisory in effect through friday afternoon...

.overnight...southwest winds 20 to 25 knots. occasional showers. 
.friday...southwest winds 15 to 25 knots becoming west and
diminishing to 10 to 15 knots. a chance of showers early. a
chance of showers in the afternoon. 
.friday night...northwest winds 10 knots or less becoming north.
a chance of rain showers. 
.saturday...northwest winds less than 10 knots. mostly sunny. 
.saturday night...west winds less than 10 knots. mainly clear. 
.sunday...light and variable winds. partly sunny sunday then a 
chance of rain sunday night. 
.monday...east winds 10 to 15 knots becoming south 15 to 20 
knots. rain.
.tuesday...south winds 15 to 20 knots. showers.

$$