Dunes Surf Break

Lat Long: 34.12° S 18.35° E

Dunes 48 hour detailed Surf Forecast

Issued: 1 pm 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Dunes sea temperature is
15.2° C
0.3° 

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


How big are the waves at Dunes today (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 4.5ft (1.4m), 9s period with SW swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 3.5ft (1.1m), 13s period with SW swell.
  • Evening surf: Evening surf (18 Jul, local time) - 5ft (1.6m), 12s period with SW swell.

The current surf forecast for Dunes at 10PM is: 1.6m 12s primary swell from a Southwest direction and 0.9m 11s secondary swell from a West direction, 0.4m 3s secondary swell from a Northwest direction (forecast issued at 01:00pm July 18). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Jul)4.5ft (1.4m)9s
Afternoon (18 Jul)3.5ft (1.1m)13s
Evening (18 Jul)5ft (1.6m)12s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Sun morning. Very mild (max 16°C on Sat afternoon, min 13°C on Sun night). Wind will be generally light.

Sat
18
Sunday
19
Monday
20
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)
1
0
0
1
0
0
0
0
1
1
2
3
3
3
2
2
1
1
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
SW
9
1.3
WSW
9
1.1
SW
13
1.7
SW
12
1.6
SW
12
1.6
SW
12
1.7
WSW
12
1.7
WSW
12
1.9
WSW
12
1.9
SW
9
2.3
SW
9
2.2
SW
11
2.2
SW
11
2.2
SW
10
2.1
SW
10
1.9
SW
9
1.7
SW
9
1.4
SW
8
0.9
SW
10
1
SSW
8
0.9
SSW
16
Wave Graph
Metric surfscale
Energy kJ
328
290
352
888
799
700
782
802
972
547
872
1080
1069
943
851
587
470
262
173
133
407
Wind (km/h)
15
NNW
15
NNW
15
NW
15
NW
15
NNW
20
NNW
20
NNW
25
NNW
15
WNW
15
SW
5
WSW
5
SSW
0
ESE
5
N
10
NNW
10
NNW
10
NNW
10
NW
10
W
5
NW
5
NNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
glassy
glassy
glassy
cross-on
cross-on
cross-on
on
on
on
glassy
High Tide
6:19PM1.52m
6:37AM1.28m
7:00PM1.42m
7:22AM1.17m
7:44PM1.31m
Low Tide
12:00PM0.16m
00:39AM0.24m
12:39PM0.27m
1:24AM0.34m
1:20PM0.39m
cloud
clear
clear
clear
clear
part cloud
clear
cloud
light rain
rain showers
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:48
7:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:55
5:57
5:58
 mm
1
1
Temp °C
15
16
16
15
15
15
14
14
14
14
14
14
14
14
13
13
13
14
14
14
14
Feels °C
13
14
14
13
13
12
11
10
12
11
13
13
14
13
12
11
11
12
12
13
14
  • 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 Dunes 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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