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open lake forecast for lake ontario
national weather service buffalo ny
642 pm est wed dec 12 2018

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 30.2 inch high will strengthen to 30.5 inches as 
it passes by to the north of the lake across the saint lawrence 
valley to the coast of maine by thursday. the high will be 
centered off the coast of nova scotia thursday night and friday as
a large and complex storm system will track across the southern 
states. this storm system will then track northeastward along the 
atlantic coastline sunday as a 29.4 inch low.


loz063>065-130415-
lake ontario open waters from hamlin beach to the saint lawrence
river-
642 pm est wed dec 12 2018

.tonight...east winds 15 to 20 knots becoming southeast.
scattered snow showers after midnight. snow showers likely late.
waves 2 to 4 feet building to 3 to 5 feet. 
.thursday...southeast winds 15 to 20 knots diminishing to 10 to
15 knots. scattered snow showers in the morning. waves 3 to
5 feet subsiding to 1 to 3 feet. 
.thursday night...southeast winds 15 to 20 knots becoming south.
waves 1 to 3 feet. 
.friday...south winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of rain showers in the afternoon. waves 1 to
3 feet. 
.friday night...south winds 5 to 15 knots becoming southeast. a
chance of rain. waves 2 feet or less. 
.saturday...east winds 10 to 15 knots becoming northeast. waves
1 to 3 feet building to 3 to 6 feet, then subsiding to 2 to
4 feet. 
.sunday...north winds 5 to 15 knots becoming southwest. waves
2 feet or less. 
.monday...west winds 10 to 15 knots becoming northwest. scattered
snow showers. waves 1 to 3 feet building to 2 to 4 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
642 pm est wed dec 12 2018


slz022-024-130415-
saint lawrence river from cape vincent to saint regis
642 pm est wed dec 12 2018

.tonight...northeast winds 5 to 10 knots. mostly cloudy. 
.thursday...northeast winds 10 knots or less. scattered snow
showers through early afternoon. 
.thursday night...east winds 10 knots or less becoming south.
mostly cloudy. 
.friday...south winds 10 knots or less becoming southwest. a
chance of rain showers in the afternoon. 
.friday night...south winds 10 knots or less becoming southwest.
a chance of rain. 
.saturday...light and variable winds. partly cloudy. 
.sunday...north winds 10 knots or less becoming southwest. partly
to mostly cloudy. 
.monday...southwest winds 5 to 10 knots becoming northwest.
scattered snow showers. 

$$