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Surf Forecasts:
Derde Steen surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Saturday 06 Dec 2025 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
14.1° C
(Which is 4.6°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 1AM is: 1.5m 13s primary swell from a Southwest direction and 0.6m 8s secondary swell from a Southwest direction, 1.6m 7s secondary swell from a South direction (forecast issued at 07:00pm December 06). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | 7ft (2.1m) | 12s |
| Afternoon (07 Dec) | 6ft (1.9m) | 12s |
| Evening (07 Dec) | 6ft (1.8m) | 12s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 257 | 394 | 552 | 784 | 1366 | 1415 | 1415 | 1144 | 1048 | 960 | 960 | 805 | 805 | 944 | 869 | 786 | 855 | 1058 | 1040 | 1004 | 981 | 947 | 913 | 981 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- off | cross- off | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- on | cross- on | cross- on |
High Tide / height (m) | 4:08PM 1.57 | 4:40AM 1.52 | 4:56PM 1.48 | 5:29AM 1.47 | 5:45PM 1.36 | 6:20AM 1.40 | ||||||||||||||||||
Low Tide / height (m) | 10:26PM 0.03 | 10:50AM 0.16 | 11:12PM 0.11 | 11:42AM 0.24 | 11:59PM 0.21 | 12:37PM 0.33 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - |
| Sunset | 7:45 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:46 | - | - | - | - | - | - | - |
 |  | | | | | | |  |  | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 18 | 18 | 16 | 14 | 18 | 23 | 24 | 21 | 19 | 18 | 17 | 17 | 19 | 22 | 23 | 22 | 20 | 19 | 19 | 19 | 20 | 22 | 23 |
| Feels °C (?) | 13 | 12 | 15 | 14 | 12 | 16 | 20 | 19 | 16 | 15 | 16 | 16 | 17 | 18 | 20 | 19 | 18 | 18 | 18 | 19 | 20 | 20 | 20 | 20 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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