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open lake forecast for lake ontario
national weather service buffalo ny
1020 pm edt sun oct 13 2019

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 29.6 inch low pressure near lake superior will drift 
to james bay through monday night while a weak trough of 29.9 inches 
crosses the lake monday morning. high pressure of 30.0 inches over 
the ohio valley will then move in behind the trough, reaching new 
england on tuesday. as the high departs over the atlantic on 
wednesday, deepening low pressure of 29.3 inches will track from the 
upper great lakes to southern quebec.


loz062-063-140915-
lake ontario open waters from the niagara river to sodus bay-
1020 pm edt sun oct 13 2019

.overnight...south winds 15 to 25 knots becoming southwest.
a chance of waterspouts. a chance of showers. waves 3 to 5 feet
subsiding to 2 to 4 feet. 
.monday...west winds 15 to 20 knots. a chance of showers through
early afternoon. a chance of waterspouts late in the morning.
waves 2 to 4 feet building to 3 to 6 feet. 
.monday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. waves 3 to 6 feet. 
.tuesday...west winds 5 to 15 knots becoming southeast. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday night...southeast winds 10 to 15 knots increasing to
15 to 25 knots. showers likely with a chance of thunderstorms
overnight. waves 1 to 3 feet building to 3 to 5 feet. 
.wednesday...south winds to 30 knots becoming west. showers with
a chance of thunderstorms during the day, then showers likely
wednesday night. waves 3 to 6 feet building to 4 to 7 feet. waves
occasionally around 9 feet. 
.thursday...northwest winds to 30 knots diminishing to 15 to
25 knots. showers likely during the day, then a chance of showers
thursday night. waves 6 to 10 feet subsiding to 4 to 7 feet.
waves occasionally around 13 feet. 
.friday...northwest winds 5 to 15 knots becoming south. waves
2 to 4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$
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open lake forecast for lake ontario
national weather service buffalo ny
1020 pm edt sun oct 13 2019

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 29.6 inch low pressure near lake superior will drift 
to james bay through monday night while a weak trough of 29.9 inches 
crosses the lake monday morning. high pressure of 30.0 inches over 
the ohio valley will then move in behind the trough, reaching new 
england on tuesday. as the high departs over the atlantic on 
wednesday, deepening low pressure of 29.3 inches will track from the 
upper great lakes to southern quebec.


loz064-065-140915-
lake ontario open waters from sodus bay to the saint lawrence
river-
1020 pm edt sun oct 13 2019

.overnight...south winds 15 to 25 knots. waves 3 to 6 feet.
.monday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of waterspouts through early afternoon. a
chance of showers through early afternoon. waves 2 to 4 feet
building to 3 to 6 feet. 
.monday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of waterspouts. a chance of showers. waves
3 to 6 feet. 
.tuesday...west winds 5 to 10 knots becoming south. a chance of
waterspouts in the morning. a chance of showers in the morning.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.tuesday night...southeast winds 10 to 15 knots increasing to
15 to 25 knots. waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...south winds 15 to 25 knots becoming west. showers
with a chance of thunderstorms during the day, then lake effect
showers likely wednesday night. waves 3 to 6 feet building to
4 to 7 feet. waves occasionally around 9 feet. 
.thursday...northwest winds 15 to 25 knots. showers likely with a
chance of thunderstorms during the day, then a chance of showers
thursday night. waves 5 to 8 feet building to 6 to 10 feet, then
subsiding to 4 to 7 feet. waves occasionally around 13 feet. 
.friday...northwest winds 5 to 15 knots becoming south. waves
2 to 4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$
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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1020 pm edt sun oct 13 2019


slz022-024-140915-
saint lawrence river from cape vincent to saint regis
1020 pm edt sun oct 13 2019

.overnight...south winds 5 to 15 knots. clear, then
becoming partly cloudy. 
.monday...south winds 5 to 15 knots becoming southwest. a chance
of showers through early afternoon. 
.monday night...southwest winds 10 knots or less. mainly clear. 
.tuesday...southwest winds 10 knots or less. mostly sunny. 
.tuesday night...south winds 10 knots or less becoming southeast.
partly to mostly cloudy. 
.wednesday...southeast winds 15 to 20 knots becoming west 5 to
15 knots. rain showers with a chance of thunderstorms during the
day, then rain showers likely wednesday night. 
.thursday...northwest winds 5 to 15 knots. scattered rain
showers. 
.friday...northwest winds 10 knots or less becoming south. partly
to mostly cloudy. 

winds and waves higher in and near thunderstorms.

$$

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