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open lake forecast for lake ontario
national weather service buffalo ny
337 pm est tue dec 10 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 28.9 inch low over quebec will move toward northern
newfoundland this evening. a 30.1 inch high in its wake will slide
across the lakes tonight, then a 29.4 inch low will pass to the 
north of the lakes on wednesday. with its passage, a 30.7 inch 
high pressure will build into the lower lakes wednesday night and 
into thursday,then head off into new england by friday. a 29.6 
inch low will develop along the mid atlantic coast friday night 
and track into southern new england on saturday.


loz063>065-110430-
lake ontario open waters from hamlin beach to the saint lawrence
river-
337 pm est tue dec 10 2019

...gale warning in effect from wednesday afternoon through late
wednesday night...

.tonight...northwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of snow showers. waves 4 to 7 feet subsiding
to 1 to 3 feet. waves occasionally around 9 feet. 
.wednesday...southwest winds 15 to 25 knots becoming west and
increasing to 35 knot gales in the afternoon. a chance of snow
showers early, then lake effect snow showers from late morning
on. waves 2 to 4 feet building to 10 to 14 feet. waves
occasionally around 18 feet. 
.wednesday night...west gales to 35 knots diminishing to 15 to
25 knots. snow showers. waves 11 to 16 feet subsiding to 5 to
8 feet. waves occasionally around 20 feet. 
.thursday...west winds 5 to 15 knots becoming south. snow showers
likely in the morning. waves 3 to 5 feet subsiding to 1 to
3 feet. 
.thursday night...south winds 15 to 25 knots. waves 1 to 3 feet
building to 2 to 4 feet. 
.friday...south winds 15 to 25 knots becoming southeast and
diminishing to 10 to 15 knots. rain showers likely friday night.
waves 3 to 5 feet subsiding to 2 to 4 feet. 
.saturday...southeast winds 5 to 15 knots becoming west 15 to
20 knots. rain showers likely. waves 1 to 3 feet. 
.sunday...west winds 15 to 25 knots increasing to 30 knots. rain
and snow showers likely during the day, then a chance of snow and
rain showers sunday night. waves 3 to 5 feet building to 5 to
8 feet. waves occasionally around 10 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
337 pm est tue dec 10 2019


slz022-024-110430-
saint lawrence river from cape vincent to saint regis
337 pm est tue dec 10 2019

.tonight...west winds 5 to 15 knots diminishing to less than
10 knots. mostly cloudy through the early overnight, then
becoming partly cloudy. 
.wednesday...south winds 5 to 15 knots becoming west 15 to
20 knots. lake effect snow showers from late morning on. 
.wednesday night...west winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of flurries. 
.thursday...southwest winds 10 knots or less becoming south. a
chance of flurries in the morning, then a chance of snow showers
in the afternoon. 
.thursday night...south winds 5 to 15 knots. mostly cloudy. 
.friday...south winds 5 to 15 knots becoming southeast. rain
showers likely friday night. 
.saturday...east winds 10 knots or less becoming southwest. rain
showers likely during the day, then rain and snow showers likely
saturday night. 
.sunday...west winds 10 to 15 knots. snow and rain showers likely
during the day, then snow showers likely sunday night. 

$$