Rock Sound Surf Break

Lat Long: 24.87° N 76.14° W

Rock Sound 48 hour detailed Surf Forecast

Issued: 1 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rock Sound sea temperature is
30.1°C
1.2° 

Rock Sound surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Rock Sound today (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 1.5ft (0.4m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 1.5ft (0.4m), 7s period with ESE swell.
  • Evening surf: Evening surf (21 Sep, local time) - 1ft (0.3m), 8s period with ENE swell.

The current surf forecast for Rock Sound at 8AM is: 0.4m 7s primary swell from a East-southeast direction and 0.2m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am September 21). The wind direction is predicted to be cross-offshore.

Time (EDT) & DateWave HeightWave Period
Morning (21 Sep)1.5ft (0.4m)7s
Afternoon (21 Sep)1.5ft (0.4m)7s
Evening (21 Sep)1ft (0.3m)8s

Table - waves today at Rock Sound. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 19mm), heaviest on Mon afternoon. Warm (max 29°C on Mon morning, min 28°C on Mon morning). Wind will be generally light.

Monday
21
Tuesday
22
Wednesday
23
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)
0.4
ESE
7
0.4
ESE
7
0.4
ESE
7
0.3
ESE
7
0.4
ESE
7
0.4
SE
5
0.3
ENE
9
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.3
ENE
8
0.4
ESE
7
0.3
ENE
8
0.3
ENE
8
0.4
SE
9
0.3
ESE
8
0.3
ESE
8
0.3
ESE
8
0.3
NE
8
0.2
ENE
8
Wave Graph
Metric surfscale
Energy kJ
18
18
21
10
21
7
15
14
14
14
13
13
13
13
12
16
12
12
19
14
14
13
12
6
Wind (km/h)
15
S
15
SSW
10
SSW
10
S
15
SSW
10
W
5
NNE
5
E
10
SE
15
SSE
15
S
10
S
5
SW
5
NE
15
ENE
15
ESE
10
SE
10
SSE
5
S
5
WNW
10
NNE
15
NNE
15
NE
15
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
off
cross-off
on
cross-on
cross
cross-off
cross-off
cross-off
glassy
on
on
cross-on
cross
cross-off
cross-off
glassy
cross-on
on
on
on
High Tide
4:33AM0.88m
5:01PM1.01m
5:30AM0.93m
5:50PM1.04m
6:19AM0.99m
6:34PM1.07m
Low Tide
10:28AM0.54m
11:37PM0.52m
11:28AM0.52m
00:19AM0.48m
12:21PM0.48m
part cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:52
6:52
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:00
7:00
 mm
3
3
1
1
1
1
3
2
2
1
1
Temp °C
28
28
28
29
28
28
28
28
28
29
29
29
29
29
29
29
28
28
28
28
29
29
29
29
Feels °C
30
30
31
32
30
31
32
32
31
31
31
32
34
33
32
32
31
32
32
33
33
31
31
32
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rock Sound surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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