Dunes surfForecast / Cape Town / South Africa

information circle16 Day Weather and Surf, issued 1 pm Friday 20 Mar 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Dunes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Dunes sea temperature is
16.4° C
(Which is 3.0°C colder than average for this time of year)

Best Forecast Surf Conditions for Dunes this week:

The surf forecast for Dunes over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Mar 24) at 5AM. The primary swell is predicted to be 2.1m and 14s period with a secondary swell of 2.3m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Dunes in the next 16 days are 2.5m 14s and forecast to arrive on Monday (Mar 23) at 5PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.0m 9s period and expected on Tuesday (Mar 24) at 11AM.

Wave TypeTime (SAST) & Date Wave Height & Period
Next good surf (1 star+) 5AM (Tue 24th Mar)7ft (2.1m) 14s
Best Surf 5AM (Tue 24th Mar)7ft (2.1m) 14s
Most Powerful 5PM (Mon 23rd Mar)8ft (2.5m) 14s

Table - best surf conditions forecast for Dunes over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Warm (max 20°C on Mon morning, min 17°C on Sat night). Winds increasing (light winds from the S on Fri night, strong winds from the SE by Sun night).

Days 3-6 Weather Summary Some drizzle, heaviest during Tue morning. Warm (max 25°C on Tue afternoon, min 17°C on Tue night). Winds decreasing (near gales from the SE on Mon night, light winds from the ESE by Tue morning).

Fri
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
2
3
1
0
2
0
0
0
2
0
3
4
4
0
0
0
0
1
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
2
SW
2.1
SSW
1.8
SSW
1.7
SSW
1.7
SSW
1.5
SW
1.4
SW
1.6
SSW
2.3
SSW
2.5
SSW
2.1
SSW
1.8
SSW
1.7
SSW
1.6
SSW
1.5
SSW
1.4
SSW
1.1
SSW
1.5
SSW
0.8
SSW
0.7
SW
1
SSW
Period(s) (?)101212121211111216141413131212111110101011
Wave
Graph
(?)Metric surfscale
Energy kJ (?)72311779528787565635126982454255316721134928734575495291442127104226
Wind
(km/h)
20
SSW
25
SSE
30
SE
35
SSE
35
SE
35
SE
40
SSE
45
SE
40
SE
50
SE
30
ESE
5
ESE
10
ESE
30
N
30
N
15
W
15
SW
10
SW
20
SSW
20
SSE
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
offcross-
off
cross-
off
cross-
off
offcross-
off
offglassoffcross-
on
cross-
on
oncross-
on
crosscrosscross-
off
cross-
off
High Tide
/ height (m)
4:15PM
1.58
4:28AM
1.71
4:52PM
1.53
5:05AM
1.64
5:30PM
1.44
5:45AM
1.51
6:14PM
1.31
6:32AM
1.35
7:09PM
1.18
7:36AM
1.18
8:35PM
1.06
9:22AM
1.07
10:41PM
1.07
11:23AM
1.09
Low Tide
/ height (m)
10:16PM
0.02
10:45AM
-0.03
10:52PM
0.08
11:23AM
0.06
11:31PM
0.18
12:04PM
0.18
12:15AM
0.31
12:54PM
0.33
1:13AM
0.46
2:06PM
0.48
2:52AM
0.58
4:07PM
0.54
5:12AM
0.56
Fri
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Sunrise--6:50--6:50--6:50--6:52--6:52--6:52--6:54
Sunset6:58--6:57--6:54--6:53--6:52--6:51--6:50--
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
part cloud
cloud
cloud
clear
clear
clear
part cloud
part cloud
Rain (mm)
-----------1---------
Temp. °C191918191818191820222022252118201918181819
Feels °C (?)151613141113131214141223252114191717161615
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Quick surf report for Dunes:

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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.


Information about the Dunes Surf forecast

The above surf forecast table for Dunes provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Dunes can be found by selecting the local surf guide option on the grey menu. Our Dunes surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Dunes) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Dunes may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Are you planning a holiday in Cape Town? If you are looking for accommodation near Dunes, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 24 km (15 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Robben Island which is 35 km (22 miles) away, Bellville, Kayamnandi and Stellenbosch.

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