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open lake forecast for lake ontario
national weather service buffalo ny
651 am est thu dec 1 2022

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 near james bay will lift across
northern quebec today. a 30.5 inch high will build into the ohio 
valley today and then across the mid-atlantic coast on friday. a 
29.3 inch low will then track across quebec on saturday, dragging 
another cold front across the lake late in the day. high pressure 
of 30.4 inches builds east across the ohio valley on sunday and 
monday.


loz063>065-011630-
lake ontario open waters from hamlin beach to the saint lawrence
river-
651 am est thu dec 1 2022

...gale warning in effect until 4 pm est this afternoon...

.today...west gales to 40 knots diminishing to 35 knots. snow
likely through early afternoon, then a chance of snow showers
late. waves 16 to 21 feet subsiding to 13 to 17 feet. waves
occasionally around 27 feet. 
.tonight...west winds to 30 knots becoming southwest 15 to 25 
knots. a chance of snow showers through the early overnight. waves
10 to 13 feet subsiding to 3 to 6 feet. waves occasionally around
16 feet. 
.friday...south winds 15 to 25 knots. waves 2 to 4 feet building
to 3 to 6 feet. 
.friday night...south winds to 30 knots. rain likely overnight.
waves 5 to 9 feet. waves occasionally around 11 feet. 
.saturday...west gales to 40 knots diminishing to 35 knots. rain
likely during the day, then a chance of rain and snow showers
saturday night. waves 8 to 11 feet building to 14 to 18 feet,
then subsiding to 10 to 14 feet. waves occasionally around
23 feet. 
.sunday...west winds 15 to 20 knots. a chance of snow showers
during the day. waves 6 to 9 feet subsiding to 3 to 5 feet. waves
occasionally around 11 feet. 
.monday...west winds 10 to 15 knots becoming south. a chance of
rain showers monday night. waves 2 to 4 feet subsiding to 1 to
3 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
651 am est thu dec 1 2022


slz022-024-011630-
saint lawrence river from cape vincent to saint regis
651 am est thu dec 1 2022

...small craft advisory in effect until 10 am est this morning...

.today...southwest winds 15 to 25 knots becoming west 10 to 15 
knots. a chance of snow showers through early afternoon. 
.tonight...west winds 10 knots or less becoming southwest. partly
to mostly cloudy. 
.friday...south winds 5 to 15 knots. partly sunny. 
.friday night...south winds 15 to 25 knots. a chance of rain
showers overnight. 
.saturday...south winds to 30 knots becoming west and diminishing
to 10 to 15 knots. rain likely during the day. 
.sunday...southwest winds 5 to 15 knots. mostly cloudy. 
.monday...southwest winds 5 to 10 knots becoming south. a chance
of snow and rain showers monday night. 

$$