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open lake forecast for lake ontario
national weather service buffalo ny
1239 pm est sat dec 14 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 will along the mid atlantic coast 
will track into western new england early tonight and across 
eastern quebec sunday while deepening to 28.7 inches. a narrow 
ridge of high pressure averaging 30.2 inches will build across the
lower great lakes monday before low pressure of 29.7 inches moves
just south of the lower great lakes and new england by tuesday. 
30.3 inch high pressure will spread into the eastern great lakes 
wednesday.


loz062-142215-
lake ontario open waters from the niagara river to hamlin beach-
1239 pm est sat dec 14 2019

...gale warning in effect from 9 pm est this evening through
sunday evening...

.this afternoon...northwest winds 15 to 25 knots. patchy fog. rain
early, then rain and snow late. waves 2 to 3 feet building to 3 
to 5 feet. 
.tonight...west winds to 30 knots increasing to 35 knot gales.
rain and snow early, then rain late in the evening. scattered
rain showers after midnight. waves 5 to 8 feet building to 8 to
12 feet. waves occasionally around 15 feet. 
.sunday...west gales to 35 knots diminishing to 30 knots.
scattered snow showers. waves 9 to 13 feet. waves occasionally
around 16 feet. 
.sunday night...west winds 15 to 25 knots. a chance of snow
showers in the evening. waves 6 to 9 feet subsiding to 1 to
3 feet. waves occasionally around 11 feet. 
.monday...west winds 5 to 15 knots becoming northeast. a chance
of snow during the day, then rain likely monday night. waves
2 feet or less building to 5 to 7 feet, then subsiding to 3 to
5 feet. waves occasionally around 9 feet. 
.tuesday...northeast winds 15 to 25 knots becoming west. snow
showers likely during the day, then a chance of snow showers
tuesday night. waves 3 to 6 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 
.wednesday...west winds 15 to 25 knots becoming northwest and
diminishing to 10 to 15 knots. a chance of snow showers. waves
6 to 10 feet subsiding to 3 to 6 feet. waves occasionally around
13 feet. 

$$

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open lake forecast for lake ontario
national weather service buffalo ny
1239 pm est sat dec 14 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 will along the mid atlantic coast 
will track into western new england early tonight and across 
eastern quebec sunday while deepening to 28.7 inches. a narrow 
ridge of high pressure averaging 30.2 inches will build across the
lower great lakes monday before low pressure of 29.7 inches moves
just south of the lower great lakes and new england by tuesday. 
30.3 inch high pressure will spread into the eastern great lakes 
wednesday.


loz063>065-142215-
lake ontario open waters from hamlin beach to the saint lawrence
river-
1239 pm est sat dec 14 2019

...gale warning in effect from 9 pm est this evening through
sunday evening...

.this afternoon...north winds 15 to 25 knots becoming northwest.
patchy fog. rain. waves 2 to 4 feet building to 3 to 5 feet. 
.tonight...west winds to 30 knots increasing to 35 knot gales.
rain through the early overnight, then scattered snow showers
late. waves 5 to 8 feet building to 12 to 16 feet. waves
occasionally around 20 feet. 
.sunday...west gales to 35 knots. scattered snow showers. waves
12 to 16 feet. waves occasionally around 20 feet. 
.sunday night...west winds to 30 knots diminishing to 15 to
25 knots. a chance of snow showers. waves 10 to 13 feet subsiding
to 3 to 5 feet. waves occasionally around 16 feet. 
.monday...west winds 10 to 15 knots becoming northeast. a chance
of snow during the day, then snow monday night. waves 1 to 3 feet
building to 3 to 5 feet. 
.tuesday...northeast winds 15 to 25 knots becoming west. snow
showers. waves 2 to 4 feet building to 6 to 9 feet. waves
occasionally around 11 feet. 
.wednesday...west winds 15 to 25 knots becoming northwest. snow
showers likely. waves 8 to 11 feet subsiding to 5 to 8 feet.
waves occasionally around 14 feet. 

$$

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forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1238 pm est sat dec 14 2019


slz022-024-142215-
saint lawrence river from cape vincent to saint regis
1238 pm est sat dec 14 2019

...small craft advisory in effect from late tonight through
sunday evening...

.this afternoon...northeast winds 5 to 10 knots. rain showers
likely early, then rain late. patchy fog late. 
.tonight...northwest winds 5 to 10 knots becoming west and
increasing to 15 to 25 knots. rain and snow in the evening, then 
snow after midnight. snow showers likely late. 
.sunday...west winds 15 to 25 knots. cloudy.
.sunday night...west winds 15 to 20 knots diminishing to 5 to
15 knots. becoming mainly clear. 
.monday...southwest winds 10 knots or less becoming south. snow
likely monday night. 
.tuesday...east winds 5 to 10 knots becoming southwest. snow
showers likely during the day, then a chance of snow showers
tuesday night. 
.wednesday...west winds 5 to 15 knots becoming northwest. a
chance of snow showers. 

$$