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glflo 
251 

open lake forecast for lake ontario
national weather service buffalo ny
941 pm est sat mar 6 2021

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 30.5 inch high across western ontario province will 
spread across the great lakes through sunday before moving across 
the southeastern states on monday and tuesday. a 29.4 inch low will 
then track from the midwestern states toward the western great lakes 
on wednesday with an associated warm front pushing across the 
eastern great lakes.

loz062-071015-
lake ontario open waters from the niagara river to hamlin beach-
941 pm est sat mar 6 2021

.overnight...northwest winds 15 to 20 knots becoming north 10 to 
15 knots. a chance of flurries. waves 3 to 5 feet subsiding to 1 
to 2 feet. 
.sunday...northwest winds 5 to 15 knots. scattered flurries in
the morning. waves 1 to 2 feet. 
.sunday night...northwest winds 10 knots or less becoming
southwest. waves 2 feet or less. 
.monday...southwest winds 5 to 15 knots. waves 2 feet or less. 
.monday night...southwest winds around 10 knots becoming west.
waves 1 to 2 feet. 
.tuesday...west winds 5 to 10 knots becoming south. waves 1 to
2 feet. 
.wednesday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. a chance of showers wednesday night. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday...southwest winds 15 to 20 knots becoming northwest
10 to 15 knots. showers likely. waves 3 to 5 feet subsiding to
1 to 3 feet. 

$$

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glflo 

loz063>065-071015-
lake ontario open waters from hamlin beach to the saint lawrence
river-
941 pm est sat mar 6 2021

.overnight...northwest winds 15 to 20 knots becoming north 5 to 
15 knots. a chance of flurries, then a chance of snow showers 
late. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.sunday...north winds 5 to 15 knots becoming northwest. scattered
snow showers early, then scattered flurries late in the morning.
waves 2 feet or less. 
.sunday night...northwest winds 10 knots or less becoming west.
waves 2 feet or less. 
.monday...southwest winds 5 to 10 knots becoming south. a chance
of rain showers in the afternoon. waves 2 feet or less. 
.monday night...south winds 5 to 15 knots becoming west. a chance
of rain and snow showers in the evening. waves 1 to 2 feet. 
.tuesday...west winds 5 to 15 knots becoming south. waves 2 feet
or less. 
.wednesday...south winds 10 to 15 knots increasing to 15 to 20 
knots. a chance of rain showers wednesday night. waves 1 to 3 feet
building to 2 to 4 feet. 
.thursday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. rain showers likely. waves 2 to 4 feet building to 3 to
5 feet, then subsiding to 2 to 4 feet. 

$$

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glfle 

lez061-165>169-070915-
ripley to buffalo ny extending from 5nm off shoreline to us-
canadian border-
vermilion to avon point oh beyond 5 nm off shoreline to us-
canadian border-
avon point to willowick oh beyond 5 nm off shoreline to us-
canadian border-willowick to geneva-on-the-
lake oh beyond 5nm off shoreline to us-canadian border-geneva-on-
the-lake to conneaut oh beyond 5 nm off shoreline to us-
canadian border-
conneaut oh to ripley ny beyond 5 nm off shoreline to us-
canadian border-
931 pm est sat mar 6 2021

.overnight...north winds 5 to 15 knots. a chance of snow
showers. waves 1 to 3 feet. 
.sunday...northwest winds 5 to 10 knots becoming west. a chance
of snow showers. waves 1 foot or less. 
.sunday night...west winds 10 knots or less becoming south 10 to
15 knots. waves 2 feet or less. 
.monday...south winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 
.monday night...southwest winds 5 to 15 knots. waves 1 to 3 feet.
.tuesday...southwest winds 5 to 15 knots becoming south 15 to
20 knots. waves 1 to 3 feet. 
.wednesday...south winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain showers wednesday night. waves 1 to
3 feet building to 3 to 6 feet. 
.thursday...southwest winds 15 to 20 knots becoming west 10 to
15 knots. rain showers likely. waves 3 to 6 feet subsiding to
2 to 4 feet. 

$$