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open lake forecast for lake ontario
national weather service buffalo ny
744 pm edt fri oct 18 2019

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 29.2 inch storm system over the canadian maritimes
will push north tonight, while a 30.0 inch high will approach 
from the upper great lakes. this wedge of high pressure will cross
the lake tonight before exiting across southern new england 
saturday and saturday night. general high pressure will be found 
over the lower great lakes sunday and sunday night. low pressure 
will strengthen to 29.1 inches while tracking from the northern 
plains on monday and into western ontario province tuesday. a cold
front will slowly make its way across the lake late tuesday or 
early wednesday as the parent low moves toward hudson bay.


loz063>065-190315-
lake ontario open waters from hamlin beach to the saint lawrence
river-
744 pm edt fri oct 18 2019

.tonight...northwest winds 10 to 20 knots becoming north and
diminishing to less than 10 knots after midnight. waves 2 to
4 feet subsiding to 1 to 3 feet. 
.saturday...north winds 10 knots or less becoming east. waves
1 foot or less. 
.saturday night...east winds 10 to 15 knots becoming south. waves
2 feet or less. 
.sunday...south winds 10 knots or less becoming southeast. waves
2 feet or less. 
.sunday night...southeast winds 10 knots or less becoming east.
waves 1 foot or less. 
.monday...east winds 10 to 15 knots becoming southeast and
increasing to 15 to 25 knots. a chance of showers monday night.
waves 1 to 3 feet building to 3 to 5 feet. 
.tuesday...south winds 15 to 25 knots becoming west. rain during
the day, then showers likely tuesday night. waves 3 to 5 feet
building to 3 to 6 feet. 
.wednesday...west winds 15 to 25 knots becoming southwest. a
chance of showers. waves 4 to 7 feet subsiding to 3 to 5 feet.
waves occasionally around 9 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
734 pm edt fri oct 18 2019


slz022-024-190315-
saint lawrence river from cape vincent to saint regis
734 pm edt fri oct 18 2019

.tonight...northwest winds 10 knots or less. mostly cloudy this
evening, then becoming partly cloudy. 
.saturday...northwest winds less than 10 knots. sunny.
.saturday night...light and variable winds. mainly clear. 
.sunday...light and variable winds. partly to mostly sunny. 
.sunday night...light and variable winds. partly cloudy. 
.monday...northeast winds 10 knots or less becoming southeast
10 to 15 knots. a chance of rain showers monday night. 
.tuesday...southeast winds 5 to 15 knots becoming southwest.
showers likely during the day, then rain tuesday night. 
.wednesday...southwest winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of rain showers during the day. 

$$