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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 Friday 17 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
16.1° C
(Which is 1.7°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 1PM is: 2.5m 12s primary swell from a West-southwest direction and 0.4m 19s secondary swell from a Southwest direction (forecast issued at 07:00am April 17). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 7.5ft (2.3m) | 12s |
| Afternoon (17 Apr) | 8ft (2.5m) | 12s |
| Evening (17 Apr) | 8ft (2.5m) | 12s |
Table - waves today at Derde Steen. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 13 | 9 | 9 | 9 | 10 | 11 | 11 | 11 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1671 | 1576 | 2135 | 1825 | 1733 | 1779 | 2000 | 2488 | 3140 | 2777 | 2607 | 2136 | 1801 | 1450 | 1939 | 791 | 730 | 608 | 1577 | 3144 | 3592 | 4912 | 6633 | 5921 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- on | cross- on | cross- off | cross | cross- on | cross- on | cross- on | cross | cross- off | cross | cross | cross | cross- off | cross- off | cross | cross | cross | cross- on | cross- on | on | on | cross- on |
High Tide / height (m) | 3:17PM 1.58 | 3:27AM 1.72 | 3:56PM 1.58 | 4:07AM 1.69 | 4:37PM 1.53 | |||||||||||||||||||
Low Tide / height (m) | 9:09AM -0.07 | 9:18PM 0.04 | 9:47AM -0.08 | 9:57PM 0.05 | 10:27AM -0.04 | 10:39PM 0.11 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | - | 7:09 | - | - | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:21 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:19 | - | - | - |
 |  |  |  | |  | | |  |  |  | | |  | | | |  | | | | | | | |
Rain (mm) | - | - | 2 | 12 | 4 | 4 | 2 | 1 | 1 | - | - | - | - | - | 1 | 1 | 3 | 2 | 2 | 4 | 3 | 2 | 1 | 1 |
| Temp. °C | 14 | 15 | 16 | 12 | 13 | 15 | 15 | 14 | 14 | 15 | 16 | 17 | 17 | 15 | 15 | 14 | 14 | 15 | 17 | 16 | 16 | 15 | 15 | 14 |
| Feels °C (?) | 10 | 9 | 11 | 9 | 10 | 12 | 12 | 12 | 12 | 13 | 11 | 12 | 12 | 11 | 11 | 9 | 9 | 9 | 10 | 9 | 9 | 7 | 7 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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