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ON- Lake Ontario

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fzus61 kbuf 180543
glflo 
723 

open lake forecast for lake ontario
national weather service buffalo ny
1243 am est mon dec 18 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 30.4 inch high will move off the eastern seaboard by 
monday. on tuesday a 29.1 inch low will move from hudson bay 
northern quebec by wednesday.

loz062-181015-
lake ontario open waters from the niagara river to hamlin beach-
1243 am est mon dec 18 2017

.overnight...southeast winds 5 to 15 knots. a chance of
flurries, then a chance of snow showers late.
waves 1 to 3 feet. 
.monday...south winds less than 10 knots becoming southwest and
increasing to 15 to 20 knots in the afternoon. snow showers
likely early, then rain and snow showers likely late in the
morning. rain showers likely in the afternoon. waves 2 feet or
less. 
.monday night...west winds 15 to 25 knots becoming southwest. a
chance of rain showers. waves 1 to 3 feet building to 3 to
5 feet. 
.tuesday...southwest winds to 30 knots becoming west. a chance of
showers. waves 3 to 6 feet building to 5 to 8 feet. waves
occasionally around 10 feet. 
.tuesday night...west winds to 30 knots. a chance of rain showers
in the evening, then a chance of snow showers overnight. waves
4 to 7 feet. waves occasionally around 9 feet. 
.wednesday...northwest winds to 30 knots becoming north and
diminishing to 10 to 15 knots. a chance of snow showers. waves
4 to 7 feet subsiding to 1 to 3 feet. waves occasionally around
9 feet. 
.thursday...northeast winds 5 to 15 knots becoming east 15 to
20 knots. a chance of rain, freezing rain and snow thursday
night. waves 1 to 3 feet building to 2 to 4 feet. 
.friday...southeast winds 15 to 20 knots becoming southwest. a
chance of rain during the day, then rain and snow showers likely
friday night. waves 3 to 5 feet subsiding to 2 to 4 feet. 

$$
fzus61 kbuf 180543
glflo 

loz063>065-181015-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1243 am est mon dec 18 2017

.overnight...southeast winds 5 to 10 knots becoming south.
a chance of flurries. waves 2 feet or less. 
.monday...south winds 10 to 15 knots becoming southwest. a chance
of snow showers early, then rain and snow showers likely late in
the morning. rain showers likely in the afternoon. waves 2 feet
or less. 
.monday night...southwest winds 15 to 20 knots. rain showers
likely in the evening, then a chance of rain showers overnight.
waves 1 to 3 feet building to 3 to 5 feet. 
.tuesday...southwest winds 15 to 25 knots becoming west to
30 knots. a chance of showers. waves 3 to 6 feet building to 5 to
9 feet. waves occasionally around 11 feet. 
.tuesday night...west winds to 30 knots. rain showers likely in
the evening, then lake effect snow showers likely overnight.
waves 6 to 9 feet. waves occasionally around 11 feet. 
.wednesday...northwest winds to 30 knots becoming north and
diminishing to 10 to 15 knots. lake effect snow showers likely
during the day, then a chance of snow showers wednesday night.
waves 5 to 8 feet subsiding to 2 to 4 feet. waves occasionally
around 10 feet. 
.thursday...north winds 5 to 15 knots becoming east 15 to
20 knots. a chance of freezing rain and snow thursday night.
waves 1 to 3 feet building to 2 to 4 feet. 
.friday...southeast winds 15 to 20 knots becoming south. a chance
of rain and freezing rain during the day, then rain and snow
showers likely friday night. waves 2 to 4 feet building to 3 to
6 feet. 

$$
fzus61 kbuf 180542
glfsl 
870 

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1242 am est mon dec 18 2017

slz022-024-181015-
saint lawrence river from cape vincent to saint regis
1242 am est mon dec 18 2017

.overnight...northeast winds 10 knots or less. a chance of
flurries, then a chance of snow showers late. 
.monday...northeast winds less than 10 knots. snow showers
likely. 
.monday night...light and variable winds becoming southwest 5 to
10 knots. snow showers likely in the evening, then a chance of
snow showers overnight. 
.tuesday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain and snow showers in the morning, then
a chance of rain showers in the afternoon. 
.tuesday night...southwest winds 10 to 15 knots becoming west. a
chance of rain and snow showers in the evening, then a chance of
snow showers overnight. 
.wednesday...west winds 5 to 15 knots becoming northwest less
than 10 knots. partly to mostly cloudy. 
.thursday...northwest winds 10 knots or less becoming east. a
chance of snow thursday night. 
.friday...east winds 10 to 15 knots becoming south 15 to
20 knots. a chance of rain, freezing rain and snow during the
day, then snow and rain showers likely friday night. 

$$

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