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open lake forecast for lake ontario
national weather service buffalo ny
933 pm est wed nov 29 2023

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 weak warm front extending south from a 29.6 inch 
trough of low pressure sliding south of james bay will cross the 
lake tonight. this trough will lift northeast across quebec on 
thursday while a secondary trough of 29.9 inches crosses the lower
great lakes on friday. this trough will be followed by a weak 
29.9 inch low which will slowly cross the lower great lakes on
saturday. another low averaging 29.5 inches will track across the
great lakes on sunday while a 30.4 inch high builds across
northern quebec.


loz063>065-301030-
lake ontario open waters from hamlin beach to the saint lawrence
river-
933 pm est wed nov 29 2023

.rest of tonight...southwest winds to 30 knots diminishing to
15 to 25 knots. a chance of snow showers. waves 6 to 10 feet
subsiding to 5 to 8 feet. waves occasionally around 13 feet. 
.thursday...southwest winds 15 to 25 knots becoming south. waves
4 to 7 feet subsiding to 3 to 6 feet. waves occasionally around
9 feet. 
.thursday night...southwest winds 15 to 25 knots. a chance of
showers in the evening, then showers likely overnight. waves 4 to
7 feet building to 5 to 9 feet. waves occasionally around
11 feet. 
.friday...southwest winds 15 to 20 knots becoming south 5 to
15 knots. rain. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.friday night...southeast winds 5 to 15 knots becoming east. rain
in the evening, then showers overnight. waves 1 to 2 feet. 
.saturday...northeast winds 15 to 20 knots diminishing to 10 to
15 knots. rain showers likely during the day, then a chance of
rain showers saturday night. waves 2 to 4 feet building to 3 to
5 feet, then subsiding to 2 to 4 feet. 
.sunday...east winds 10 to 15 knots becoming southwest. a chance
of rain showers during the day, then rain showers likely sunday
night. waves 2 feet or less. 
.monday...west winds 10 to 15 knots becoming northwest. a chance
of rain showers. waves 1 to 3 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
933 pm est wed nov 29 2023


slz022-024-301030-
saint lawrence river from cape vincent to saint regis
933 pm est wed nov 29 2023

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

$$