fzus61 kbuf 141502
glflo 
expires:202512142200;;572272

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sun dec 14 2025

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...an elongated 29.6 inch low off the new england coast 
this afternoon will rapidly deepen to 28.5 inches by monday as it 
reaches newfoundland. meanwhile, a strong 30.8 inch high over the 
mid mississippi valley this afternoon will settle across the 
southeast states monday through tuesday while weakening to 30.3 
inches. a strong 29.0 inch low over the southern canadian prairies 
tuesday will move east to northern quebec by wednesday, with a 
trailing cold front crossing the lake wednesday. thursday an area of 
low pressure deepening to 29.2 inches will cross the central great 
lakes, with this low deepening further thursday night to 29.0 inches 
as it tracks towards southwestern quebec.


loz062-142200-
lake ontario open waters from the niagara river to hamlin beach-
1002 am est sun dec 14 2025

.rest of today...northwest winds 15 to 20 knots. lake effect snow
showers likely late this morning, then scattered snow showers
this afternoon. waves 5 to 8 feet. waves occasionally around
10 feet. 
.tonight...northwest winds 15 to 20 knots becoming west 10 to
15 knots. a chance of snow showers from late evening on. waves
4 to 7 feet subsiding to 2 to 4 feet. waves occasionally around
9 feet. 
.monday...west winds 15 to 25 knots increasing to 30 knots. lake
effect snow showers. waves 2 to 3 feet building to 7 to 10 feet.
waves occasionally around 13 feet. 
.monday night...west winds to 30 knots diminishing to 15 to
20 knots. snow showers in the evening, then a chance of snow
showers overnight. waves 6 to 10 feet subsiding to 5 to 8 feet.
waves occasionally around 13 feet. 
.tuesday...southwest winds 10 to 15 knots increasing to 30 knots.
waves 3 to 5 feet building to 7 to 10 feet. waves occasionally
around 13 feet. 
.wednesday...southwest winds to 30 knots becoming south and
diminishing to 10 to 15 knots. waves 6 to 10 feet subsiding to
1 to 2 feet. waves occasionally around 13 feet. 
.thursday...southeast winds 15 to 25 knots becoming southwest and
increasing to 40 knot gales. rain showers during the day, then
rain showers with a chance of snow showers thursday night. waves
3 to 5 feet building to 10 to 13 feet. waves occasionally around
16 feet. 

$$

fzus61 kbuf 141502
glflo 
expires:202512142200;;572273

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sun dec 14 2025

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...an elongated 29.6 inch low off the new england coast 
this afternoon will rapidly deepen to 28.5 inches by monday as it 
reaches newfoundland. meanwhile, a strong 30.8 inch high over the 
mid mississippi valley this afternoon will settle across the 
southeast states monday through tuesday while weakening to 30.3 
inches. a strong 29.0 inch low over the southern canadian prairies 
tuesday will move east to northern quebec by wednesday, with a 
trailing cold front crossing the lake wednesday. thursday an area of 
low pressure deepening to 29.2 inches will cross the central great 
lakes, with this low deepening further thursday night to 29.0 inches 
as it tracks towards southwestern quebec.


loz063-142200-
lake ontario open waters from hamlin beach to sodus bay-
1002 am est sun dec 14 2025

.rest of today...northwest winds 15 to 20 knots. lake effect snow
late this morning, then lake effect snow showers likely early
this afternoon. scattered snow showers late. waves 6 to 9 feet.
waves occasionally around 11 feet. 
.tonight...northwest winds 15 to 20 knots. a chance of snow
showers in the evening, then lake effect snow showers likely
after midnight. waves 4 to 7 feet subsiding to 3 to 5 feet. waves
occasionally around 9 feet. 
.monday...west winds 15 to 25 knots becoming southwest to
30 knots. lake effect snow showers. waves 2 to 4 feet building to
5 to 9 feet. waves occasionally around 11 feet. 
.monday night...west winds 15 to 25 knots. lake effect snow
showers. waves 6 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet. 
.tuesday...southwest winds 15 to 20 knots increasing to 30 knots.
snow showers likely during the day. waves 4 to 7 feet building to
5 to 8 feet. waves occasionally around 10 feet. 
.wednesday...southwest winds to 30 knots diminishing to 15 to
20 knots. waves 6 to 10 feet subsiding to 2 to 4 feet. waves
occasionally around 13 feet. 
.thursday...southeast winds to 30 knots becoming southwest and
increasing to 40 knot gales. rain showers. waves 3 to 6 feet
building to 12 to 16 feet. waves occasionally around 20 feet. 

$$

fzus61 kbuf 141502
glflo 
expires:202512142200;;572274

open lake forecast for lake ontario
national weather service buffalo ny
1002 am est sun dec 14 2025

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...an elongated 29.6 inch low off the new england coast 
this afternoon will rapidly deepen to 28.5 inches by monday as it 
reaches newfoundland. meanwhile, a strong 30.8 inch high over the 
mid mississippi valley this afternoon will settle across the 
southeast states monday through tuesday while weakening to 30.3 
inches. a strong 29.0 inch low over the southern canadian prairies 
tuesday will move east to northern quebec by wednesday, with a 
trailing cold front crossing the lake wednesday. thursday an area of 
low pressure deepening to 29.2 inches will cross the central great 
lakes, with this low deepening further thursday night to 29.0 inches 
as it tracks towards southwestern quebec.


loz064-065-142200-
lake ontario open waters from sodus bay to the saint lawrence
river-
1002 am est sun dec 14 2025

.rest of today...northwest winds 15 to 20 knots becoming north.
lake effect snow late this morning, then scattered snow showers
this afternoon. waves 5 to 9 feet. waves occasionally around
11 feet. 
.tonight...northwest winds 15 to 20 knots. a chance of snow
showers through the early overnight, then lake effect snow
showers likely late. waves 4 to 7 feet subsiding to 3 to 6 feet.
waves occasionally around 9 feet. 
.monday...northwest winds 15 to 25 knots becoming southwest. lake
effect snow showers. waves 2 to 4 feet building to 6 to 9 feet.
waves occasionally around 11 feet. 
.monday night...west winds 15 to 25 knots. lake effect snow
showers. waves 6 to 10 feet subsiding to 5 to 8 feet. waves
occasionally around 13 feet. 
.tuesday...southwest winds 15 to 20 knots becoming south and
increasing to 30 knots. lake effect snow showers during the day.
waves 4 to 7 feet. waves occasionally around 9 feet. 
.wednesday...southwest winds to 30 knots diminishing to 15 to
20 knots. a chance of rain showers during the day. waves 6 to
10 feet subsiding to 2 to 4 feet. waves occasionally around
13 feet. 
.thursday...southeast winds to 30 knots becoming southwest and
increasing to 40 knot gales. rain showers likely during the day,
then rain showers with snow showers likely thursday night. waves
4 to 7 feet building to 12 to 16 feet. waves occasionally around
20 feet. 

$$

fzus61 kbuf 141502
glfsl 
expires:202512142200;;572270

forecast for the saint lawrence river
including the thousand islands region
national weather service buffalo ny
1002 am est sun dec 14 2025


slz022-142200-
saint lawrence river from cape vincent to ogdensburg-
1002 am est sun dec 14 2025

.rest of today...north winds 5 to 10 knots becoming northwest.
mostly cloudy, then becoming mostly sunny. 
.tonight...northwest winds 5 to 10 knots becoming west. mostly
cloudy. 
.monday...west winds 10 knots or less becoming southwest. lake
effect snow showers in the afternoon. 
.monday night...southwest winds 10 knots or less. snow showers in
the evening, then a chance of snow showers overnight. 
.tuesday...southwest winds 10 knots or less becoming south and
increasing to 15 to 20 knots. a chance of snow showers during the
day. 
.wednesday...southwest winds 15 to 20 knots diminishing to 5 to
15 knots. a chance of rain showers during the day. 
.thursday...south winds 10 to 15 knots becoming southwest 15 to
20 knots. rain showers likely during the day, then rain showers
thursday night. 

$$