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open lake forecast for lake ontario
national weather service buffalo ny
400 pm edt fri apr 19 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...a 29.4 inch low over northern quebec tonight will 
continue to move away from the region on saturday...while an 
expansive 30.6 inch high will move from the canadian rockies to 
the northern plains. the large high will continue to push south to
the lower mississippi valley by late sunday. the high will be 
centered over the ohio valley on monday. this high will slip to 
the east tuesday, while a 29.6 inch surface low deepens across the
western great lakes, with a warm front extending towards the lake
tuesday night.


loz063>065-200315-
lake ontario open waters from hamlin beach to the saint lawrence
river-
400 pm edt fri apr 19 2024

.tonight...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...west winds 10 to 15 knots increasing to 15 to
25 knots. waves 1 to 3 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.saturday night...west winds 15 to 25 knots. waves 5 to 9 feet
subsiding to 2 to 4 feet. waves occasionally around 11 feet. 
.sunday...west winds 15 to 25 knots. waves 3 to 6 feet. 
.sunday night...southwest winds 15 to 25 knots becoming
northwest. waves 3 to 6 feet. 
.monday...northwest winds 5 to 15 knots becoming south. waves
2 to 4 feet subsiding to 2 feet or less. 
.tuesday...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of showers during the day, then showers
tuesday night. waves 1 to 3 feet. 
.wednesday...southwest winds 15 to 20 knots becoming northwest.
rain showers during the day, then a chance of rain showers
wednesday night. waves 2 to 4 feet building to 3 to 5 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
358 pm edt fri apr 19 2024


slz022-024-200315-
saint lawrence river from cape vincent to saint regis
358 pm edt fri apr 19 2024

.tonight...southwest winds 15 to 20 knots diminishing to 5 to
15 knots. showers likely early. 
.saturday...southwest winds 5 to 15 knots. scattered showers in
the afternoon. 
.saturday night...southwest winds 5 to 15 knots. a chance of rain
showers in the evening. 
.sunday...southwest winds 5 to 15 knots increasing to 15 to
20 knots. mostly sunny. 
.sunday night...southwest winds 15 to 20 knots becoming northwest
5 to 15 knots. partly cloudy. 
.monday...northwest winds 5 to 10 knots becoming south. mainly
clear, then becoming partly cloudy. 
.tuesday...south winds 10 to 15 knots. a chance of rain showers
during the day, then rain showers tuesday night. 
.wednesday...southwest winds 10 to 15 knots becoming northwest.
rain showers during the day, then rain showers likely with a
chance of snow showers wednesday night. 

$$