Rock Sound Surf Break

Lat Long: 24.87° N 76.14° W

Rock Sound 48 hour detailed Surf Forecast

Issued: 7 pm 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Rock Sound sea temperature is
30.4°C
1.5° 

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 (18 Sep):

  • Afternoon surf: Afternoon surf (18 Sep, local time) - 1.5ft (0.5m), 8s period with NE swell.
  • Evening surf: Evening surf (18 Sep, local time) - 2ft (0.6m), 6s period with E swell.

The current surf forecast for Rock Sound at 11PM is: 0.6m 6s primary swell from a East direction and 0.2m 8s secondary swell from a East direction (forecast issued at 07:00pm September 18). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (EDT) & DateWave HeightWave Period
Morning (18 Sep)--
Afternoon (18 Sep)1.5ft (0.5m)8s
Evening (18 Sep)2ft (0.6m)6s

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


Short Range Forecast

Heavy rain (total 41mm), heaviest during Mon afternoon. Warm (max 29°C on Fri night, min 28°C on Fri night). Wind will be generally light.

Fri
18
Saturday
19
Sunday
20
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
NE
8
0.6
E
6
0.6
E
6
0.5
E
6
0.5
E
6
0.4
ESE
7
0.4
ESE
6
0.4
ESE
6
0.5
E
8
0.5
E
8
0.5
E
8
0.4
ESE
8
0.4
ESE
8
0.4
ESE
8
0.5
E
8
0.5
ESE
8
0.5
E
8
0.6
ESE
8
0.8
ESE
4
Wave Graph
Metric surfscale
Energy kJ
28
27
28
21
20
15
14
14
36
35
34
22
21
20
30
34
30
45
21
Wind (km/h)
15
ENE
15
ENE
15
E
15
ESE
15
ESE
15
ESE
10
SE
10
SE
10
ESE
10
E
15
E
20
SE
15
SSE
15
SSE
15
SSE
15
SSE
20
SSE
15
SE
25
SSE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
High Tide
2:19AM0.85m
2:59PM0.99m
3:26AM0.85m
4:03PM0.99m
Low Tide
8:47PM0.57m
8:15AM0.54m
9:50PM0.58m
9:21AM0.55m
10:48PM0.56m
part cloud
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part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:50
6:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:04
7:02
 mm
1
1
4
1
1
2
2
2
1
4
3
Temp °C
29
29
28
28
28
28
28
29
29
28
28
28
28
29
29
29
28
28
28
Feels °C
32
31
30
31
31
31
32
33
33
31
30
29
30
31
31
31
29
29
29
  • 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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