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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 22 Jan 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
12.8° C
(Which is 7.0°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 8AM is: 1.5m 11s primary swell from a Southwest direction and 0.1m 18s secondary swell from a West direction, 1.0m 5s secondary swell from a South direction (forecast issued at 01:00am January 22). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jan) | 5ft (1.5m) | 12s |
| Afternoon (22 Jan) | 6ft (1.9m) | 14s |
| Evening (22 Jan) | 8ft (2.5m) | 15s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 11 | 13 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 514 | 561 | 524 | 573 | 734 | 1311 | 1885 | 2510 | 2881 | 3302 | 3212 | 3167 | 3313 | 3359 | 3500 | 3259 | 3078 | 2860 | 2558 | 2366 | 1929 | 1899 | 1839 | 1780 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross- on | on | on | on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | on | cross- on | cross- on |
High Tide / height (m) | 5:21AM 1.54 | 5:32PM 1.40 | 5:55AM 1.52 | 6:10PM 1.33 | 6:33AM 1.47 | 6:54PM 1.25 | ||||||||||||||||||
Low Tide / height (m) | 11:03PM 0.10 | 11:31AM 0.19 | 11:36PM 0.15 | 12:09PM 0.22 | 12:11AM 0.22 | 12:51PM 0.27 | ||||||||||||||||||
Thursday 22 | Friday 23 | Saturday 24 | ||||||||||||||||||||||
| Sunrise | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 7:57 | - | - | - | - | - | - | - | 7:55 | - | - | - | - | - | - | - | 7:55 | - |
 | | |  | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 18 | 17 | 19 | 20 | 20 | 20 | 19 | 18 | 17 | 16 | 18 | 19 | 20 | 20 | 18 | 17 | 16 | 16 | 17 | 20 | 21 | 22 | 20 |
| Feels °C (?) | 18 | 17 | 17 | 19 | 17 | 17 | 17 | 16 | 16 | 15 | 14 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 18 | 19 | 19 |
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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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