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ON- Lake Ontario

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fzus61 kbuf 200531
glfsl 
451 

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
131 am edt wed oct 20 2021

slz022-024-200900-
saint lawrence river from cape vincent to saint regis
131 am edt wed oct 20 2021

.overnight...southwest winds 5 to 10 knots becoming west.
mainly clear. 
.wednesday...west winds 5 to 10 knots. mostly sunny. 
.wednesday night...west winds 5 to 10 knots becoming light and
variable. a chance of showers overnight. 
.thursday...southeast winds 5 to 15 knots becoming south. showers
likely in the morning, then showers in the afternoon. 
.thursday night...south winds 10 to 15 knots becoming northwest.
showers.
.friday...northwest winds 5 to 10 knots becoming north. a chance
of rain showers during the day. 
.saturday...north winds less than 10 knots becoming west. mostly
cloudy. 
.sunday...west winds 10 knots or less becoming northwest. a
chance of rain showers. 

$$
fzus61 kbuf 200531
glflo 
expires:202110200900;;963889

open lake forecast for lake ontario
national weather service buffalo ny
131 am edt wed oct 20 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...broad high pressure averaging 30.2 inches stretching 
from the southeastern states to the upper ohio valley will slowly 
drift to the east coast through wednesday...then offshore on
thursday. a 29.7 inch low will then track from the central great
lakes to the ottawa valley on thursday...and in the process will
push its trailing cold front eastward across the lake.


loz062-200900-
lake ontario open waters from the niagara river to hamlin beach-
131 am edt wed oct 20 2021

.overnight...west winds 15 to 20 knots. waves 3 to 6 feet. 
.wednesday...west winds 15 to 20 knots becoming southwest. waves
3 to 5 feet. 
.wednesday night...southwest winds 15 to 20 knots diminishing to
10 to 15 knots. a chance of showers overnight. waves 2 to 4 feet
subsiding to 1 to 3 feet. 
.thursday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. showers likely in the morning, then showers in the
afternoon. waves 1 to 3 feet building to 3 to 5 feet. 
.thursday night...southwest winds 15 to 20 knots becoming
northwest. showers likely in the evening, then a chance of
showers overnight. waves 3 to 5 feet. 
.friday...northwest winds 10 to 15 knots becoming north. waves
2 to 4 feet subsiding to 1 to 3 feet. 
.saturday...north winds 5 to 10 knots becoming northwest. waves
1 to 2 feet. 
.sunday...northwest winds 10 to 15 knots becoming northeast. a
chance of showers. waves 1 to 2 feet. 

$$
fzus61 kbuf 200531
glflo 
expires:202110200900;;963890

open lake forecast for lake ontario
national weather service buffalo ny
131 am edt wed oct 20 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...broad high pressure averaging 30.2 inches stretching 
from the southeastern states to the upper ohio valley will slowly 
drift to the east coast through wednesday...then offshore on
thursday. a 29.7 inch low will then track from the central great
lakes to the ottawa valley on thursday...and in the process will
push its trailing cold front eastward across the lake.


loz063>065-200900-
lake ontario open waters from hamlin beach to the saint lawrence
river-
131 am edt wed oct 20 2021

.overnight...west winds 15 to 25 knots. waves 5 to 9 feet.
waves occasionally around 11 feet. 
.wednesday...west winds 15 to 20 knots. waves 4 to 7 feet
subsiding to 3 to 6 feet. waves occasionally around 9 feet. 
.wednesday night...west winds 15 to 20 knots becoming southwest
5 to 15 knots. waves 3 to 6 feet subsiding to 1 to 3 feet. 
.thursday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. showers likely in the morning, then showers in the
afternoon. waves 1 to 3 feet building to 2 to 4 feet. 
.thursday night...southwest winds 15 to 20 knots becoming
northwest. showers likely in the evening, then a chance of
showers overnight. waves 2 to 4 feet building to 3 to 6 feet. 
.friday...northwest winds 15 to 20 knots becoming north 10 to
15 knots. waves 3 to 5 feet subsiding to 1 to 3 feet. 
.saturday...north winds 5 to 10 knots becoming northwest. a
chance of showers saturday night. waves 2 feet or less. 
.sunday...northwest winds 5 to 15 knots becoming north. a chance
of showers. waves 1 to 3 feet. 

$$

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