Derde Steen surf break

Derde Steen surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 pm Wednesday 18 Mar 2026 SAST
Forecast update in hr  min  s Forecast update imminent
Derde Steen surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Derde Steen sea temperature is
16.0° C
(Which is 3.2°C colder than average for this time of year)

How big are the waves at Derde Steen today?

The current surf forecast for Derde Steen at 7PM is: 1.4m 13s primary swell from a Southwest direction and 1.0m 7s secondary swell from a South direction, 1.6m 7s secondary swell from a South-southeast direction (forecast issued at 01:00pm March 18). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (18 Mar)4.5ft (1.3m)11s
Afternoon (18 Mar)4.5ft (1.4m)14s
Evening (18 Mar)4.5ft (1.4m)13s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
18
Thursday
19
Friday
20
Saturday
21
11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM
Rating
(10 max)
1
0
1
3
3
3
3
3
1
1
1
2
2
1
2
3
2
0
0
1
2
2
1
3
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SSW
1.4
SW
1.4
SW
1.4
SW
1.5
SSW
1.3
SSW
2
SSW
2.1
SSW
2
SSW
2
SSW
1.9
SSW
1.9
SSW
2
SSW
2.5
SW
2.2
SW
2.5
SSW
2.3
SSW
2.5
SSW
1.9
SSW
1.5
SSW
1.8
SW
2.1
SSW
1.9
SSW
1.8
SSW
Period(s) (?)101413131312161414141414131313131110101112121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)36567162368976052519081900162416011463144214222174160919741355118676357188711211001923
Wind
(km/h)
10
SW
20
SW
15
SW
10
SSE
15
ESE
10
N
10
NNW
15
NNE
30
NNW
30
NW
35
NW
20
NW
10
SW
15
SW
15
SSW
10
SSW
15
SSW
20
SSW
25
S
15
SSE
15
S
15
SSE
15
SSE
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
oncross-
on
cross-
off
cross-
off
cross-
off
crosscross-
off
crosscrosscrosscrosscross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscross-
off
High Tide
/ height (m)
3:07PM
1.54
3:21AM
1.70
3:41PM
1.58
3:54AM
1.73
4:16PM
1.58
4:28AM
1.71
Low Tide
/ height (m)
9:04AM
0.04
9:11PM
0.04
9:36AM
-0.03
9:43PM
0.01
10:10AM
-0.06
10:16PM
0.02
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise-------6:48-------6:48-------6:48
Sunset--7:00-------6:59-------6:58-----
clear
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
rain showers
part cloud
cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
-----------1------------
Temp. °C212223232221181821222119191918182019191818171616
Feels °C (?)222123242121181718181717191716171815141515141313
  • 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

Latest Updates

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 Derde Steen 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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