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open lake forecast for lake ontario
national weather service buffalo ny
351 pm est tue dec 10 2024

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...an elongated 29.8 inch low will then develop over the
eastern us tonight, then will deepen to 29.1 inches as it tracks 
across new england and into southern quebec wednesday and 
wednesday night. a 29.7 inch trough will then slowly cross the 
lake thursday, then a 30.7 inch high will build across the mid- 
atlantic states friday before drifting northeast into the gulf of 
maine. a 30.2 inch low will move from the mississippi valley to 
the central great lakes saturday through sunday.


loz063>065-110415-
lake ontario open waters from hamlin beach to the saint lawrence
river-
351 pm est tue dec 10 2024

...gale watch in effect from wednesday evening through thursday
afternoon...

.tonight...southeast winds 15 to 20 knots becoming south. rain.
waves 1 to 3 feet building to 2 to 4 feet, then subsiding to 1 to
3 feet. 
.wednesday...southwest winds 5 to 15 knots becoming west 15 to
20 knots. rain. waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday night...west winds to 30 knots increasing to 35 knot
gales. rain in the evening, then lake effect snow overnight.
waves 5 to 8 feet building to 12 to 16 feet. waves occasionally
around 20 feet. 
.thursday...west gales to 35 knots. a chance of lake effect snow
showers. waves 11 to 16 feet. waves occasionally around 20 feet. 
.thursday night...west gales to 35 knots diminishing to 30 knots.
lake effect snow. waves 12 to 16 feet subsiding to 8 to 11 feet.
waves occasionally around 20 feet. 
.friday...west winds 15 to 20 knots becoming southeast and
diminishing to 5 to 10 knots. lake effect snow during the day,
then a chance of snow showers friday night. waves 6 to 9 feet
subsiding to 1 to 2 feet. waves occasionally around 11 feet. 
.saturday...southeast winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain showers saturday night. waves 1 to
3 feet building to 3 to 5 feet. 
.sunday...south winds 15 to 20 knots. rain showers likely. waves
3 to 5 feet subsiding 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
351 pm est tue dec 10 2024


slz022-024-110415-
saint lawrence river from cape vincent to saint regis
351 pm est tue dec 10 2024

.tonight...east winds 10 knots or less becoming southeast. rain.
.wednesday...southeast winds 10 knots or less becoming northwest.
rain.
.wednesday night...west winds 10 to 15 knots becoming southwest
15 to 20 knots. rain and snow in the evening, then lake effect
snow overnight. 
.thursday...southwest winds 15 to 20 knots becoming west. mostly
cloudy. 
.thursday night...west winds 15 to 20 knots becoming southwest
5 to 15 knots. partly to mostly cloudy. 
.friday...southwest winds 10 knots or less becoming south. partly
cloudy. 
.saturday...east winds 5 to 10 knots becoming southeast. a chance
of snow showers saturday night. 
.sunday...southeast winds 5 to 15 knots becoming south. rain and
snow showers likely during the day, then rain showers likely
sunday night. 

$$