Surf Break

Lat Long: 36.91° N 75.99° W

81st Street 48 hour detailed Surf Forecast

Issued: 1 am 18 Oct 2026 (local time)

Forecast update in  hr  min

Today's 81st Street sea temperature is
21.5°C
2.2° 

81st Street surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at 81st Street today (18 Oct):

  • Morning surf: Morning surf (18 Oct, local time) - 8ft (2.5m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (18 Oct, local time) - 8ft (2.5m), 10s period with ENE swell.
  • Evening surf: Evening surf (18 Oct, local time) - 8ft (2.5m), 11s period with ENE swell.

The current surf forecast for 81st Street at 6AM is: 2.4m 9s primary swell from a East-northeast direction (forecast issued at 01:00am October 18). The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (18 Oct)8ft (2.5m)9s
Afternoon (18 Oct)8ft (2.5m)10s
Evening (18 Oct)8ft (2.5m)11s

Table - waves today at 81st Street. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 18°C on Tue afternoon, min 12°C on Sun morning). Mainly strong winds.

Sunday
18
Monday
19
Tuesday
20
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
NE
8
2.4
NE
9
2.5
ENE
9
2.5
ENE
9
2.5
ENE
10
2.5
ENE
11
2.5
ENE
11
2.5
ENE
11
2.5
ENE
12
3
ENE
12
3
ENE
12
3
ENE
13
3
ENE
13
3
E
12
3
E
12
3
E
12
2.5
ENE
12
2.5
ENE
12
2.5
ENE
11
2.5
ENE
11
2.5
ENE
11
2.5
ENE
11
2.5
ENE
11
2.5
ENE
11
Wave Graph
Metric surfscale
Energy kJ
581
885
926
1026
1258
1412
1587
1725
1952
2165
2641
3001
3001
3015
2524
2555
2002
1839
1626
1463
1384
1384
1568
1708
Wind (km/h)
35
NNE
40
NNE
40
NNE
40
NE
40
NE
40
NNE
40
NNE
40
NE
35
NE
40
NNE
40
NNE
40
NNE
45
NNE
45
NNE
35
NNE
40
N
45
N
40
N
40
N
40
N
40
N
35
N
35
N
30
N
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross
cross
cross
cross-on
cross-on
High Tide
2:03AM0.75m
2:29PM0.89m
3:04AM0.76m
3:27PM0.88m
4:05AM0.79m
4:24PM0.89m
Low Tide
7:39AM0.32m
8:51PM0.33m
8:42AM0.33m
9:45PM0.31m
9:46AM0.32m
10:34PM0.27m
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
7:13
—
—
—
—
—
—
—
7:13
—
—
—
—
—
—
—
7:15
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
—
6:21
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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Temp °C
12
11
12
14
14
14
14
14
15
15
14
14
16
16
15
14
15
15
14
15
16
18
18
17
Feels °C
3
2
3
5
5
6
6
6
8
7
6
6
7
8
8
6
6
6
5
6
7
10
11
10
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
How to use the Wavefinder 

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