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open lake forecast for lake ontario
national weather service buffalo ny
133 pm edt sun may 19 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 29.4 inch low will move from northern lake michigan
late to southern quebec by monday. a trailing cold front will 
cross lake ontario monday. a 30.2 inch high will then build from 
the western great lakes monday night and tuesday to the eastern 
great lakes by wednesday. a warm front will then lift across the 
eastern great lakes thursday into thursday night.


loz063>065-192115-
lake ontario open waters from hamlin beach to the saint lawrence
river-
133 pm edt sun may 19 2019

.this afternoon...northeast winds 5 to 15 knots becoming east.
showers likely with scattered thunderstorms early,
then showers and thunderstorms late. some thunderstorms may be
severe with strong winds and large hail late. waves 1 foot or
less. 
.tonight...southeast winds 10 to 15 knots becoming south. showers
and scattered thunderstorms through the early overnight, then
scattered showers late. waves 1 to 3 feet. 
.monday...south winds 10 to 15 knots becoming west and increasing
to 15 to 25 knots. scattered showers. waves 1 to 3 feet building
to 3 to 6 feet. 
.monday night...west winds 15 to 25 knots. waves 3 to 6 feet. 
.tuesday...west winds 15 to 20 knots becoming northwest and
diminishing to 5 to 10 knots. waves 3 to 6 feet subsiding to 1 to
3 feet. 
.wednesday...north winds 10 knots or less becoming east. waves
2 feet or less. 
.thursday...southeast winds 10 knots or less becoming northwest.
a chance of showers. waves 1 foot or less. 

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
133 pm edt sun may 19 2019


slz022-024-192115-
saint lawrence river from cape vincent to saint regis
133 pm edt sun may 19 2019

...small craft advisory in effect from monday afternoon through
monday evening...

.this afternoon...northeast winds 5 to 10 knots. scattered showers
late. 
.tonight...east winds 5 to 15 knots becoming southwest. scattered
showers early, then showers and scattered thunderstorms.
scattered showers late. 
.monday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. scattered showers. 
.monday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. a chance of showers in the evening. 
.tuesday...west winds 15 to 20 knots becoming northwest 5 to
15 knots. mostly cloudy, then clearing. 
.wednesday...north winds 10 knots or less becoming southeast.
mainly clear, then becoming partly cloudy. 
.thursday...southeast winds less than 10 knots becoming east. a
chance of showers. 

winds and waves higher in and near thunderstorms.

$$