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fzus61 kbuf 190535
glfsl 
704 

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
135 am edt sat aug 19 2017

slz022-024-190915-
saint lawrence river from cape vincent to saint regis
135 am edt sat aug 19 2017

.overnight...south winds 5 to 10 knots becoming southwest.
mostly cloudy. 
.saturday...southwest winds 5 to 15 knots. scattered showers and
thunderstorms late. 
.saturday night...southwest winds 5 to 15 knots becoming west. a
chance of showers and scattered thunderstorms in the evening...
then a chance of showers overnight. 
.sunday...southwest winds 10 knots or less increasing to 10 to
15 knots. mostly sunny. 
.sunday night...southwest winds 5 to 10 knots. becoming mainly
clear. 
.monday...southwest winds 5 to 10 knots. mainly clear...then
becoming partly cloudy. 
.tuesday...southwest winds 5 to 15 knots. a chance of showers and
thunderstorms during the day...then showers likely with a chance
of thunderstorms tuesday night. 
.wednesday...west winds 5 to 15 knots becoming northwest. showers
likely with a chance of thunderstorms during the day...then a
chance of showers and thunderstorms wednesday night. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kbuf 190535
glflo 
499 

open lake forecast for lake ontario
national weather service buffalo ny
135 am edt sat aug 19 2017

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 to the northeast of georgian bay 
this evening will move west central quebec saturday, eventually 
exiting across northern quebec saturday night. a trailing cold front 
will cross the lake this evening. a 30.1 inch high will then build 
into the ohio valley and eastern great lakes sunday and monday.

loz062-190915-
lake ontario open waters from the niagara river to hamlin beach-
135 am edt sat aug 19 2017

.overnight...west winds 15 to 20 knots. scattered sprinkles. 
waves 2 to 4 feet. 
.saturday...west winds 15 to 20 knots. waves 3 to 5 feet. 
.saturday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers and scattered thunderstorms in the
evening. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...west winds 10 to 15 knots becoming southwest. waves
1 to 3 feet. 
.sunday night...southwest winds 5 to 15 knots. waves 1 to 2 feet.
.monday...southwest winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers and thunderstorms during the day...
then showers likely with a chance of thunderstorms tuesday night.
waves 1 to 3 feet. 
.wednesday...northwest winds 15 to 20 knots diminishing to 10 to
15 knots. showers likely with a chance of thunderstorms during
the day...then a chance of showers wednesday night. waves 2 to
4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kbuf 190535
glflo 

loz063>065-190915-
lake ontario open waters from hamlin beach to the saint lawrence
river-
135 am edt sat aug 19 2017

.overnight...southwest winds 15 to 20 knots becoming west.
scattered sprinkles...then scattered showers late. waves 3 to 5 
feet. 
.saturday...west winds 15 to 20 knots. a chance of showers in the
morning. waves 3 to 5 feet. 
.saturday night...west winds 15 to 20 knots diminishing to 10 to
15 knots. a chance of showers and scattered thunderstorms in the
evening. waves 3 to 5 feet subsiding to 2 to 4 feet. 
.sunday...west winds 5 to 15 knots becoming southwest. waves 2 to
4 feet subsiding to 1 to 2 feet. 
.sunday night...southwest winds 5 to 15 knots. waves 2 feet or
less. 
.monday...southwest winds 5 to 10 knots. waves 2 feet or less. 
.tuesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers and thunderstorms during the day...
then showers likely with a chance of thunderstorms tuesday night.
waves 1 to 3 feet building to 2 to 4 feet. 
.wednesday...west winds 15 to 20 knots becoming northwest 10 to
15 knots. showers likely with a chance of thunderstorms during
the day...then a chance of showers wednesday night. waves 2 to
4 feet subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$
fzus61 kcle 190151
glfle 

lez061-165>169-190815-
lake erie open waters from ripley to buffalo ny-
lake erie open waters from vermilion to avon point oh-
lake erie open waters from avon point to willowick oh-
lake erie open waters from willowick to geneva-on-the-lake oh-
lake erie open waters from geneva-on-the-lake to conneaut oh-
lake erie open waters from conneaut oh to ripley ny-
951 pm edt fri aug 18 2017

.overnight...west winds 5 to 15 knots. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.saturday...west winds 10 to 15 knots. a chance of showers and
thunderstorms from late morning on. waves 1 to 3 feet building to
2 to 4 feet. 
.saturday night...west winds 5 to 15 knots becoming southwest.
waves 2 to 4 feet subsiding to 1 to 3 feet. 
.sunday...southwest winds 5 to 10 knots becoming west. waves
1 foot or less. 
.sunday night...south winds 10 knots or less. waves 1 foot or
less. 
.monday...south winds 5 to 10 knots. waves 1 foot or less. 
.tuesday...southwest winds 10 to 15 knots becoming west 15 to
20 knots. a chance of showers and thunderstorms during the day...
then showers and thunderstorms likely tuesday night. waves 1 to
3 feet building to 2 to 4 feet. 
.wednesday...northwest winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of showers during the day. waves 2 to 4 feet
subsiding to 1 to 3 feet. 

winds and waves higher in and near thunderstorms.

$$

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