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glflo 
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glflo 

open lake forecast for lake ontario
national weather service buffalo ny
930 pm est thu dec 5 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 30.1 inch ridge will crest across the lower 
lakes tonight. a 29.8 inch trough will cross the lake friday, with a 
30.3 inch ridge forecast to crest across the lake on saturday before 
moving to the mid atlantic states sunday. a 29.7 inch low will track 
northeast across the lower great lakes monday.


loz063>065-061000-
lake ontario open waters from hamlin beach to the saint lawrence
river-
930 pm est thu dec 5 2019

.rest of tonight...west winds 15 to 20 knots diminishing to 5 to
10 knots. a chance of snow showers, then snow late. waves 4 to
7 feet subsiding to 2 to 4 feet. waves occasionally around
9 feet. 
.friday...southeast winds 5 to 15 knots becoming northwest 15 to
20 knots. snow. waves 1 to 3 feet. 
.friday night...northwest winds 15 to 20 knots. snow showers
likely. waves 2 to 4 feet building to 3 to 5 feet. 
.saturday...northwest winds 5 to 15 knots becoming west. a chance
of snow showers in the morning. waves 3 to 5 feet subsiding to
1 to 3 feet. 
.saturday night...southwest winds 5 to 15 knots becoming south
15 to 20 knots. waves 1 to 3 feet. 
.sunday...south winds 15 to 25 knots. rain sunday night. waves
3 to 6 feet. 
.monday...south winds 15 to 20 knots. rain during the day, then
showers likely monday night. waves 3 to 5 feet subsiding to 2 to
4 feet. 
.tuesday...southwest winds 15 to 25 knots becoming west to
30 knots. rain showers likely during the day, then lake effect
snow and rain showers likely tuesday night. waves 2 to 4 feet
building to 7 to 10 feet. waves occasionally around 13 feet. 

$$

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glfsl 
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glfsl 

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
931 pm est thu dec 5 2019


slz022-024-061000-
saint lawrence river from cape vincent to saint regis
931 pm est thu dec 5 2019

.overnight...west winds 5 to 10 knots. a chance of snow
showers late. 
.friday...southwest winds 10 knots or less becoming northwest. a
chance of snow early, then snow likely late in the morning. a
chance of snow showers early in the afternoon. 
.friday night...northwest winds less than 10 knots becoming west.
mostly cloudy. 
.saturday...west winds 10 knots or less becoming southwest.
partly to mostly sunny. 
.saturday night...southwest winds 10 knots or less becoming
south. partly to mostly cloudy. 
.sunday...south winds 15 to 20 knots. rain and snow sunday night.
.monday...south winds 10 to 15 knots increasing to 15 to
20 knots. rain during the day, then rain showers likely monday
night. 
.tuesday...south winds 15 to 20 knots becoming west. rain and
snow showers likely during the day, then lake effect snow showers
likely tuesday night. 

$$