Dias Beach Surf Break

Lat Long: 34.35° S 18.49° E

Dias Beach 48 hour detailed Surf Forecast

Issued: 7 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Dias Beach sea temperature is
14.6° C
1.2° 

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


How big are the waves at Dias Beach today (18 Aug):

  • Afternoon surf: Afternoon surf (18 Aug, local time) - 10ft (3.0m), 13s period with SW swell.
  • Evening surf: Evening surf (18 Aug, local time) - 10ft (3.0m), 12s period with SW swell.

The current surf forecast for Dias Beach at 11PM is: 3.0m 12s primary swell from a Southwest direction and 0.7m 4s secondary swell from a Southeast direction (forecast issued at 07:00pm August 18). An open ocean swell of 0.2m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Aug)--
Afternoon (18 Aug)10ft (3.0m)13s
Evening (18 Aug)10ft (3.0m)12s

Table - waves today at Dias Beach. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Very mild (max 14°C on Wed afternoon, min 11°C on Fri morning). Winds increasing (calm on Wed night, fresh winds from the ESE by Fri morning).

Tue
18
Wednesday
19
Thursday
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
2
2
3
4
4
!
!
!
!
!
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
3
SW
13
3
SW
12
3
SW
12
3
SW
12
3
SW
12
3
SW
12
2.5
SW
12
2.5
SW
12
2.5
SW
12
2.4
SW
12
2.5
SW
12
3
SW
12
3.5
SW
13
3.5
SW
13
3.5
SW
13
3
SW
13
3
SW
12
3
SW
12
2.5
SW
12
Wave Graph
Metric surfscale
Energy kJ
3135
3116
2683
2640
2358
2196
1978
1978
1771
1665
1818
2418
3532
4207
3732
3305
2659
2185
1830
Wind (km/h)
25
SSE
30
SE
30
SE
25
SE
25
SE
20
SSE
15
S
10
SSW
10
SSW
5
W
5
WNW
0
N
5
SSW
5
SSE
10
S
15
S
20
SSE
25
SE
30
SE
Wind State
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
on
on
glassy
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross
High Tide
6:47PM1.29m
7:10AM1.10m
7:27PM1.16m
8:02AM0.99m
8:29PM1.04m
Low Tide
1:07AM0.42m
1:04PM0.50m
1:53AM0.54m
1:54PM0.62m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:20
7:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:17
6:17
 mm
Temp °C
14
13
13
12
12
12
13
13
14
14
14
14
14
14
14
14
14
13
13
Feels °C
10
8
8
7
7
8
10
10
12
14
14
14
13
13
13
12
10
8
7
  • 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 Dias Beach 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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