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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 1 pm Tuesday 02 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
13.1° C
(Which is 5.1°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 8PM is: 1.7m 12s primary swell from a Southwest direction and 0.1m 12s secondary swell from a Northwest direction, 0.9m 4s secondary swell from a South direction (forecast issued at 01:00pm December 02). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Dec) | 7ft (2.1m) | 13s |
| Afternoon (02 Dec) | 6ft (1.8m) | 12s |
| Evening (02 Dec) | 5ft (1.6m) | 12s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 02 | Wednesday 03 | Thursday 04 | Friday 05 | |||||||||||||||||||||
| 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 | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 7 | 7 | 8 | 11 | 8 | 11 | 11 | 11 | 8 | 10 | 10 | 8 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1290 | 1048 | 954 | 800 | 614 | 542 | 433 | 433 | 343 | 309 | 366 | 529 | 302 | 247 | 288 | 222 | 180 | 180 | 279 | 163 | 114 | 241 | 209 | 145 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | on | on | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 12:54PM 1.53 | 1:34AM 1.42 | 1:43PM 1.60 | 2:21AM 1.50 | 2:32PM 1.64 | 3:07AM 1.54 | ||||||||||||||||||
Low Tide / height (m) | 7:23PM 0.07 | 7:34AM 0.20 | 8:10PM -0.01 | 8:23AM 0.14 | 8:55PM -0.04 | |||||||||||||||||||
Tuesday 02 | Wednesday 03 | Thursday 04 | Friday 05 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 |
| Sunset | - | - | 7:42 | - | - | - | - | - | - | - | 7:43 | - | - | - | - | - | - | - | 7:44 | - | - | - | - | - |
 | | |  | | |  |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 24 | 22 | 20 | 19 | 17 | 17 | 19 | 24 | 27 | 24 | 22 | 21 | 18 | 17 | 22 | 24 | 27 | 24 | 19 | 18 | 18 | 18 | 20 |
| Feels °C (?) | 20 | 20 | 17 | 17 | 18 | 15 | 15 | 17 | 21 | 22 | 19 | 17 | 18 | 16 | 15 | 20 | 20 | 23 | 20 | 15 | 15 | 16 | 16 | 17 |
- 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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