Dias Beach Surf Break

Lat Long: 34.35° S 18.49° E

Dias Beach 48 hour detailed Surf Forecast

Issued: 1 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Dias Beach sea temperature is
14.0°C
1.8° 

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 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 6ft (1.9m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 6ft (1.8m), 13s period with SW swell.
  • Evening surf: Evening surf (18 Sep, local time) - 5.5ft (1.7m), 13s period with SW swell.

The current surf forecast for Dias Beach at 6AM is: 1.8m 11s primary swell from a Southwest direction and 2.1m 6s secondary swell from a East-southeast direction (forecast issued at 01:00am September 18). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Sep)6ft (1.9m)11s
Afternoon (18 Sep)6ft (1.8m)13s
Evening (18 Sep)5.5ft (1.7m)13s

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


Short Range Forecast

Mostly dry. Warm (max 20°C on Sun afternoon, min 12°C on Fri morning). Winds decreasing (near gales from the ESE on Fri afternoon, moderate winds from the ESE by Sun morning).

Friday
18
Saturday
19
Sunday
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
1
1
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)
1.8
SW
11
1.9
SW
11
1.8
SW
11
1.9
SW
11
1.8
SW
13
1.8
SW
13
1.7
SW
13
1.7
SW
13
1.6
SW
12
1.6
SW
12
1.6
SW
12
1.3
SW
12
1.3
SW
12
1.8
SW
14
2.1
SW
14
2.3
SW
14
2.4
SW
14
2.3
SW
13
2.2
SW
13
2
WSW
13
1.9
WSW
13
1.8
WSW
13
1.7
WSW
13
1.6
WSW
12
Wave Graph
Metric surfscale
Energy kJ
866
898
836
898
1109
1109
932
917
798
785
772
433
466
1255
1754
2006
2073
1804
1684
1401
1180
1100
953
771
Wind (km/h)
50
ESE
50
ESE
50
ESE
50
ESE
50
SE
60
ESE
50
ESE
45
ESE
40
ESE
40
ESE
40
ESE
40
ESE
45
SE
55
SE
55
SE
50
SE
45
ESE
40
ESE
35
ESE
30
ESE
40
SE
45
SE
45
SE
40
ESE
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
High Tide
7:06AM1.01m
7:26PM1.01m
8:42AM0.91m
9:33PM0.93m
11:22AM0.95m
Low Tide
00:52AM0.53m
1:00PM0.63m
1:59AM0.64m
2:48PM0.73m
4:46AM0.66m
5:46PM0.68m
clear
clear
clear
clear
clear
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>
6:41
6:39
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:38
6:38
6:39
 mm
Temp °C
12
12
12
13
16
16
14
13
13
12
12
14
17
15
16
15
16
16
15
18
20
18
18
17
Feels °C
2
2
2
3
6
5
4
5
6
5
5
7
10
6
7
7
9
10
10
14
14
11
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 

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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