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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 am Thursday 04 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
14.2° C
(Which is 4.1°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 5AM is: 1.5m 8s primary swell from a South-southeast direction and 1.2m 8s secondary swell from a South direction, 1.0m 11s secondary swell from a West-southwest direction (forecast issued at 01:00am December 04). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | 3.5ft (1.0m) | 11s |
| Afternoon (04 Dec) | 3ft (0.9m) | 11s |
| Evening (04 Dec) | 3ft (0.9m) | 10s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 11 | 8 | 11 | 11 | 11 | 9 | 10 | 9 | 8 | 9 | 9 | 10 | 10 | 6 | 6 | 7 | 6 | 8 | 8 | 8 | 6 | 6 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 302 | 247 | 264 | 222 | 218 | 180 | 245 | 163 | 247 | 205 | 209 | 175 | 228 | 125 | 152 | 228 | 302 | 302 | 408 | 485 | 392 | 264 | 314 | 401 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | on | cross- on | cross | cross | cross | cross | cross | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 2:21AM 1.50 | 2:32PM 1.64 | 3:07AM 1.54 | 3:20PM 1.63 | 3:53AM 1.55 | 4:08PM 1.57 | ||||||||||||||||||
Low Tide / height (m) | 8:10PM -0.01 | 8:23AM 0.14 | 8:55PM -0.04 | 9:12AM 0.10 | 9:41PM -0.02 | 10:00AM 0.11 | ||||||||||||||||||
Thursday 04 | Friday 05 | Saturday 06 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:28 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:44 | - | - | - | - | - | - | - | 7:45 | - | - | - | - | - | - | - | 7:45 | - |
 | | |  | | | |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 18 | 18 | 22 | 26 | 26 | 24 | 20 | 19 | 18 | 18 | 20 | 22 | 23 | 20 | 18 | 18 | 18 | 17 | 19 | 22 | 21 | 21 | 18 |
| Feels °C (?) | 19 | 15 | 16 | 20 | 23 | 23 | 20 | 17 | 16 | 15 | 16 | 17 | 18 | 19 | 15 | 14 | 14 | 14 | 13 | 15 | 17 | 15 | 14 | 12 |
- 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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