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nearshore marine forecast
national weather service buffalo ny
1003 am est thu dec 18 2025

for waters within five nautical miles of shore

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.


lez020-182200-
upper niagara river and buffalo harbor-
1003 am est thu dec 18 2025

...small craft advisory in effect through friday evening...

.this afternoon...south winds 15 to 20 knots. partly sunny. 
.tonight...south winds 15 to 25 knots becoming southwest to
30 knots. showers.
.friday...southwest winds to 30 knots becoming west. snow and
rain showers in the morning, then snow showers in the afternoon. 
.friday night...west winds to 30 knots diminishing to 10 to
15 knots. a chance of snow showers in the evening. 
.saturday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. a chance of rain and snow showers saturday night. 
.sunday...west winds 15 to 20 knots diminishing to 5 to 15 knots.
a chance of snow showers during the day. 
.monday...west winds 5 to 10 knots becoming south. a chance of
snow showers monday night. 

the water temperature off buffalo is 36 degrees.

$$
fzus51 kbuf 181503
nshbuf
expires:202512182200;;802809

nearshore marine forecast
national weather service buffalo ny
1003 am est thu dec 18 2025

for waters within five nautical miles of shore

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.


lez040-041-182200-
buffalo to ripley along lake erie-
1003 am est thu dec 18 2025

...small craft advisory in effect through friday morning...
...gale warning in effect from friday morning through friday
evening...

.this afternoon...south winds to 30 knots. partly sunny. waves
2 to 4 feet building to 3 to 6 feet. waves occasionally around
7 feet. 
.tonight...south winds to 30 knots becoming southwest. showers.
waves 4 to 7 feet building to 6 to 10 feet. waves occasionally
around 13 feet. 
.friday...southwest gales to 35 knots becoming west to 40 knots.
snow and rain showers in the morning, then lake effect snow
showers in the afternoon. waves 10 to 14 feet building to 11 to
15 feet. waves occasionally around 19 feet. 
.friday night...west gales to 40 knots diminishing to 15 to
25 knots. snow showers in the evening, then a chance of snow
showers overnight. waves 11 to 15 feet subsiding to 3 to 6 feet.
waves occasionally around 19 feet. 
.saturday...southwest winds 15 to 25 knots becoming west to
30 knots. a chance of rain and snow showers saturday night. waves
3 to 5 feet building to 5 to 9 feet. waves occasionally around
11 feet. 
.sunday...west winds to 30 knots diminishing to 15 to 20 knots. a
chance of snow showers during the day. waves 5 to 9 feet
subsiding to 3 to 5 feet. waves occasionally around 11 feet. 
.monday...west winds 5 to 15 knots becoming south 15 to 20 knots.
a chance of snow and rain showers monday night. waves 1 to
3 feet. 

$$
fzus51 kbuf 181503
nshbuf
expires:202512182200;;802810

nearshore marine forecast
national weather service buffalo ny
1003 am est thu dec 18 2025

for waters within five nautical miles of shore

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.


loz042-182200-
niagara river to hamlin beach along lake ontario-
1003 am est thu dec 18 2025

...small craft advisory in effect through friday morning...
...gale warning in effect from friday morning through late friday
night...

.this afternoon...south winds 15 to 25 knots. partly sunny. waves
1 to 3 feet. 
.tonight...south winds 15 to 25 knots becoming southwest to
30 knots. showers. waves 2 to 4 feet building to 4 to 7 feet.
waves occasionally around 9 feet. 
.friday...southwest winds to 30 knots becoming west and
increasing to 40 knot gales in the afternoon. rain and snow
showers likely in the morning, then snow showers likely in the
afternoon. waves 5 to 8 feet building to 10 to 14 feet. waves
occasionally around 18 feet. 
.friday night...west gales to 35 knots diminishing to 15 to
20 knots. a chance of snow showers in the evening. waves 10 to
14 feet subsiding to 4 to 7 feet. waves occasionally around
18 feet. 
.saturday...southwest winds 15 to 25 knots becoming west to
30 knots. a chance of rain and snow showers. waves 3 to 5 feet
building to 6 to 9 feet. waves occasionally around 11 feet. 
.sunday...west gales to 35 knots becoming northwest and
diminishing to 15 to 20 knots. a chance of snow showers during
the day. waves 7 to 11 feet subsiding to 4 to 7 feet. waves
occasionally around 14 feet. 
.monday...west winds 5 to 15 knots becoming south. a chance of
snow showers monday night. waves 1 to 3 feet subsiding to 1 foot
or less. 

$$
fzus51 kbuf 181503
nshbuf
expires:202512182200;;802811

nearshore marine forecast
national weather service buffalo ny
1003 am est thu dec 18 2025

for waters within five nautical miles of shore

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.


loz043-182200-
hamlin beach to sodus bay along lake ontario
including irondequoit bay-
1003 am est thu dec 18 2025

...small craft advisory in effect through friday morning...
...gale warning in effect from friday morning through late friday
night...

.this afternoon...south winds 15 to 25 knots. partly sunny. waves
1 to 3 feet building to 2 to 4 feet. 
.tonight...south winds to 30 knots becoming southwest. a chance
of showers in the evening, then showers overnight. waves 2 to
4 feet building to 3 to 5 feet. waves occasionally around 6 feet.
.friday...southwest winds to 30 knots becoming west and
increasing to 40 knot gales. rain showers with snow showers
likely in the morning, then snow showers likely in the afternoon.
waves 3 to 6 feet building to 10 to 14 feet. waves occasionally
around 18 feet. 
.friday night...west gales to 40 knots diminishing to 15 to
25 knots. a chance of snow showers in the evening. waves 10 to
15 feet subsiding to 7 to 10 feet. waves occasionally around
19 feet. 
.saturday...southwest winds 10 to 15 knots increasing to
30 knots. a chance of rain and snow showers. waves 4 to 7 feet
building to 5 to 8 feet. waves occasionally around 10 feet. 
.sunday...west gales to 35 knots becoming northwest and
diminishing to 15 to 25 knots. a chance of snow showers. waves
9 to 13 feet subsiding to 6 to 9 feet. waves occasionally around
16 feet. 
.monday...northwest winds 5 to 15 knots becoming south. a chance
of snow showers monday night. waves 3 to 5 feet subsiding to 1 to
3 feet. waves occasionally around 6 feet. 

the water temperature off rochester is 37 degrees.

$$
fzus51 kbuf 181503
nshbuf
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nearshore marine forecast
national weather service buffalo ny
1003 am est thu dec 18 2025

for waters within five nautical miles of shore

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.


loz044-182200-
sodus bay to mexico bay along lake ontario-
1003 am est thu dec 18 2025

...small craft advisory in effect through friday morning...
...gale warning in effect from friday morning through late friday
night...

.this afternoon...south winds 15 to 25 knots increasing to
30 knots. partly to mostly sunny. waves 2 to 4 feet building to
3 to 5 feet. waves occasionally around 6 feet. 
.tonight...south winds to 30 knots. showers. waves 3 to 6 feet.
waves occasionally around 7 feet. 
.friday...southwest winds to 30 knots becoming west and
increasing to 40 knot gales. lake effect rain and snow showers.
waves 5 to 8 feet building to 15 to 19 feet. waves occasionally
around 24 feet. 
.friday night...west gales to 45 knots diminishing to 15 to
25 knots overnight. lake effect snow showers. waves 16 to 21 feet
subsiding to 9 to 12 feet. waves occasionally around 27 feet. 
.saturday...west winds 10 to 15 knots becoming southwest and
increasing to 30 knots. a chance of snow showers during the day,
then rain and snow showers likely saturday night. waves 4 to
7 feet building to 6 to 9 feet. waves occasionally around
11 feet. 
.sunday...west gales to 40 knots becoming northwest. snow showers
likely during the day, then a chance of snow showers sunday
night. waves 11 to 16 feet subsiding to 7 to 10 feet. waves
occasionally around 20 feet. 
.monday...northwest winds 15 to 20 knots becoming south. a chance
of snow showers monday night. waves 3 to 5 feet subsiding to 1 to
3 feet. waves occasionally around 6 feet. 

$$
fzus51 kbuf 181503
nshbuf
expires:202512182200;;802813

nearshore marine forecast
national weather service buffalo ny
1003 am est thu dec 18 2025

for waters within five nautical miles of shore

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.


loz045-182200-
mexico bay to the saint lawrence river along lake ontario-
1003 am est thu dec 18 2025

...small craft advisory in effect through friday morning...
...gale warning in effect from friday morning through late friday
night...

.this afternoon...south winds 15 to 25 knots increasing to
30 knots. partly to mostly sunny. waves 3 to 6 feet. waves
occasionally around 7 feet. 
.tonight...south winds to 30 knots increasing to 35 knot gales
overnight. showers. waves 5 to 8 feet. waves occasionally around
10 feet. 
.friday...southwest winds to 30 knots becoming west and
increasing to 45 knot gales in the afternoon. rain showers in the
morning, then lake effect snow and rain showers in the afternoon.
waves 6 to 9 feet building to 14 to 18 feet. waves occasionally
around 23 feet. 
.friday night...west gales to 45 knots diminishing to 15 to
25 knots overnight. lake effect snow showers. waves 15 to 19 feet
subsiding to 8 to 11 feet. waves occasionally around 24 feet. 
.saturday...west winds 10 to 15 knots becoming southwest and
increasing to 30 knots. a chance of snow showers during the day,
then rain and snow showers likely saturday night. waves 4 to
7 feet building to 7 to 10 feet. waves occasionally around
13 feet. 
.sunday...west gales to 35 knots becoming northwest and
diminishing to 15 to 25 knots. snow and rain showers likely
during the day, then a chance of snow showers sunday night. waves
10 to 15 feet subsiding to 6 to 9 feet. waves occasionally around
19 feet. 
.monday...northwest winds 5 to 15 knots becoming south 15 to
20 knots. a chance of snow showers monday night. waves 3 to
5 feet subsiding to 1 to 3 feet. waves occasionally around
6 feet. 

$$
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