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Derde Steen Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Derde Steen surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Sunday 26 Apr 2026 SASTForecast 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 1.5°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 12AM is: 3.5m 10s primary swell from a Southwest direction and 0.7m 13s secondary swell from a Southwest direction, 0.1m 12s secondary swell from a Northwest direction (forecast issued at 07:00pm April 26). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | - | - |
| Afternoon (27 Apr) | 6ft (1.8m) | 8s |
| Evening (27 Apr) | 8ft (2.4m) | 8s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Sun night. Very mild (max 18°C on Wed afternoon, min 12°C on Tue night). Winds decreasing (fresh winds from the SW on Sun night, light winds from the SSE by Mon night). | ||||||||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wed 29 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 8 | WSW 8 | SW 9 | SW 10 | SW 11 | SW 11 | WSW 11 | WSW 10 | WSW 12 | S 10 | WSW 11 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 11 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 | |
489 | 636 | 1833 | 2604 | 2917 | 2917 | 1664 | 1161 | 1044 | 745 | 669 | 592 | 689 | 676 | 663 | 663 | 592 | 795 | 857 | 710 | 537 | 537 | 476 | 475 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | |
High Tide | 00:29AM1.34m | 1:00PM1.25m | 1:10AM1.42m | 1:38PM1.32m | 1:45AM1.47m | |||||||||||||||||||
Low Tide | 6:16PM0.40m | 6:58AM0.29m | 7:02PM0.33m | 7:36AM0.21m | 7:39PM0.28m | 8:08AM0.15m | ||||||||||||||||||
 |  |  | |  |  | |  | |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:18 | — | — | — |
 | 6:10 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | 6:07 |
3 | 2 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 14 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 15 | 14 | 15 | 16 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 15 | 18 |
11 | 7 | 9 | 8 | 8 | 9 | 10 | 10 | 10 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 11 | 11 | 10 | 9 | 9 | 12 | 15 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | S 14 | SW 13 | NW 12 | SW 11 | SW 11 | WSW 11 | WSW 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SW 10 | S 12 | S 12 | S 12 | S 12 | S 11 | S 11 |
 kJ | 54 | 16 | 183 | 6 | 2917 | 2917 | 1664 | 1161 | 818 | 745 | 669 | 592 | 689 | 676 | 663 | 663 | 592 | 226 | 857 | 710 | 537 | 537 | 476 | 475 |
Swell 2 Height (m) Direction Period (s) | S 15 | NW 12 | NW 12 | — | — | — | S 10 | S 10 | WSW 12 | SW 10 | WSW 11 | SW 11 | WSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | S 12 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 |
| kJ | 4 | 6 | 6 | — | — | — | 932 | 774 | 1044 | 703 | 634 | 467 | 354 | 377 | 304 | 265 | 260 | 46 | 273 | 273 | 245 | 213 | 181 | 154 |
Swell 3 Height (m) Direction Period (s) | NW 12 | — | — | — | — | — | — | NW 11 | W 11 | SW 16 | SW 16 | SW 17 | SW 16 | SW 15 | SW 15 | WSW 15 | S 12 | SW 16 | SW 16 | S 11 | S 11 | SW 14 | SW 14 | SW 14 |
| kJ | 6 | — | — | — | — | — | — | 5 | 2 | 11 | 11 | 11 | 10 | 9 | 9 | 21 | 47 | 39 | 41 | 38 | 38 | 74 | 128 | 187 |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 8 | SW 9 | SW 10 | — | — | — | — | — | — | — | — | — | — | — | — | SSE 4 | S 11 | — | — | — | — | — | — |
| kJ | 489 | 636 | 1833 | 2604 | — | — | — | — | — | — | — | — | — | — | — | — | 17 | 795 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 342 | 421 | 883 | 1038 | 1182 | 126 | 42 | 126 | 126 | 3 | 0 | 1 | 1 | 3 | 3 | 73 | 73 | 3 | 0 | 0 | 0 | 0 | 0 | 3 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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