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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 am Monday 27 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
15.5° C
(Which is 2.0°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 4PM is: 2.0m 12s primary swell from a West-southwest direction and 2.0m 10s secondary swell from a South direction (forecast issued at 07:00am April 27). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 11ft (3.5m) | 11s |
| Afternoon (27 Apr) | 8ft (2.4m) | 10s |
| Evening (27 Apr) | 6ft (1.9m) | 10s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon morning. Very mild (max 18°C on Wed afternoon, min 12°C on Tue night). Winds increasing (light winds from the SSE on Mon night, fresh winds from the SSE by Tue afternoon). | ||||||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 11 | SW 11 | WSW 11 | WSW 10 | WSW 12 | S 10 | WSW 11 | SW 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 | SW 12 | SW 13 | SW 13 | |
3282 | 3154 | 1748 | 1161 | 1044 | 745 | 669 | 592 | 696 | 676 | 676 | 663 | 661 | 489 | 584 | 625 | 528 | 528 | 546 | 410 | 492 | 437 | 418 | 543 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | cross | cross | cross-off | |
High Tide | 1:00PM1.25m | 1:10AM1.42m | 1:38PM1.32m | 1:45AM1.47m | 2:12PM1.37m | |||||||||||||||||||
Low Tide | 6:58AM0.29m | 7:02PM0.33m | 7:36AM0.21m | 7:39PM0.28m | 8:08AM0.15m | 8:13PM0.24m | ||||||||||||||||||
 |  |  |  | |  | | | | |  | | | | | | | | | | | | | | |
 | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | 7:18 |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — | 6:07 |
— | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 14 | 13 | 12 | 12 | 15 | 17 | 18 | 15 | 15 | 14 |
9 | 9 | 9 | 10 | 10 | 11 | 12 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 9 | 9 | 13 | 13 | 14 | 12 | 13 | 12 | |
Swell 1 Height (m) Direction Period (s) | — | SW 11 | WSW 11 | WSW 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | S 10 | SW 10 | S 10 | S 11 | S 12 | S 12 | S 12 | S 12 | S 11 | SW 10 | SW 12 | SW 13 | SW 13 |
 kJ | — | 3154 | 1748 | 1161 | 818 | 745 | 669 | 592 | 696 | 676 | 676 | 663 | 260 | 489 | 584 | 625 | 528 | 528 | 546 | 410 | 150 | 437 | 418 | 543 |
Swell 2 Height (m) Direction Period (s) | — | — | S 10 | S 10 | WSW 12 | WSW 10 | WSW 11 | SW 11 | WSW 10 | SW 10 | SW 10 | SW 10 | SSW 12 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 13 | S 12 | SSE 12 | SSE 12 |
| kJ | — | — | 951 | 857 | 1044 | 649 | 634 | 561 | 354 | 335 | 328 | 265 | 50 | 311 | 273 | 273 | 240 | 213 | 200 | 147 | 202 | 294 | 240 | 189 |
Swell 3 Height (m) Direction Period (s) | — | — | — | NW 11 | W 11 | SW 16 | SW 16 | SW 17 | SW 16 | SW 15 | SW 15 | SW 15 | SW 16 | S 12 | S 12 | S 11 | S 11 | SSW 11 | SW 14 | SW 14 | S 10 | S 10 | SW 16 | SW 16 |
| kJ | — | — | — | 5 | 2 | 11 | 11 | 11 | 10 | 9 | 9 | 35 | 38 | 46 | 75 | 21 | 21 | 40 | 127 | 187 | 8 | 8 | 66 | 67 |
Wind waves Height (m) Direction Period (s) | SW 11 | — | — | — | — | — | — | — | — | — | — | — | S 10 | SSE 4 | — | — | — | — | — | — | S 11 | S 5 | S 6 | S 5 |
| kJ | 3282 | — | — | — | — | — | — | — | — | — | — | — | 661 | 28 | — | — | — | — | — | — | 492 | 56 | 71 | 64 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 126 | 126 | 126 | 126 | 3 | 3 | 1 | 1 | 1 | 3 | 3 | 17 | 73 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 61 | 1 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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