Surf Forecasts:
Derde Steen surf forecast from 5 Nov 2026:
- Best quality surf: Saturday 7 Nov, 2PM (local time) - 10ft (3.0m), 14s period, SSW swell with cross-shore winds.
- Most powerful swell: Tuesday 17 Nov, 2AM (local time) - 11ft (3.5m), 14s period, SW swell with 5,341 kJ wave energy.
- Next surfable swell (1★+): Saturday 7 Nov, 2PM (local time) - 10ft (3.0m), 14s period with SSW swell.
Best Forecast Surf Conditions for Derde Steen this week:
The surf forecast for Derde Steen over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Nov 07) at 2PM. The primary swell is predicted to be 3.0m and 14s period with a secondary swell of 0.7m and 9s. Another secondary swell of 0.9m and 4s is also forecast. The wind is predicted to be cross-shore as the swell arrives.
The most powerful waves expected at Derde Steen in the next 16 days are 3.5m 14s and forecast to arrive on Tuesday (Nov 17) at 2AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Saturday (Nov 07) at 11PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Sat 7th Nov) | 10ft (3.0m) 14s |
| Best Surf | 2PM (Sat 7th Nov) | 10ft (3.0m) 14s |
| Most Powerful | 2AM (Tue 17th Nov) | 11ft (3.5m) 14s |
Table - best surf conditions forecast for Derde Steen over the next 16 days.
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Warm (max 22°C on Sun afternoon, min 13°C on Sat night). Winds increasing (light winds from the S on Fri night, strong winds from the SSE by Sat afternoon). | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Mon morning, min 17°C on Mon night). Wind will be generally light. | ||||||||||||||||||
Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | W 12 | W 11 | SW 14 | SSW 12 | SSW 12 | SSW 14 | SSW 13 | SSW 12 | SSW 11 | S 11 | SW 10 | SW 10 | SW 10 | WSW 12 | WSW 12 | WSW 11 | SW 10 | SW 11 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 993 | 577 | 1285 | 1197 | 1744 | 3268 | 2394 | 1259 | 844 | 396 | 204 | 153 | 79 | 417 | 405 | 319 | 479 | 1495 | 1710 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | cross-on | cross-on | cross | cross-off | cross | on | cross-off | cross-on | on | cross | cross-on | cross-on | on | cross-on | on | cross |
High Tide | 1:15AM1.32m | 1:22PM1.48m | 1:51AM1.38m | 1:56PM1.51m | 2:25AM1.42m | 2:29PM1.52m | 2:56AM1.44m | 3:01PM1.50m | 3:27AM1.43m | 3:33PM1.46m | 3:58AM1.40m | 4:04PM1.41m | 4:31AM1.35m | ||||||
Low Tide | 7:15AM0.28m | 7:46PM0.13m | 7:52AM0.24m | 8:19PM0.10m | 8:26AM0.22m | 8:49PM0.09m | 8:58AM0.21m | 9:19PM0.10m | 9:30AM0.23m | 9:49PM0.14m | 10:01AM0.27m | 10:20PM0.20m | |||||||
 |  |  |  | | |  | | | | | | | | | |  | | | |
 | — | 5:41 | — | — | 5:41 | — | — | 5:39 | — | — | 5:39 | — | — | 5:37 | — | — | 5:37 | — | — |
 | 7:16 | — | 7:17 | — | — | 7:19 | — | — | 7:20 | — | — | 7:21 | — | — | 7:21 | — | — | 7:22 | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 17 | 16 | 17 | 17 | 15 | 21 | 22 | 21 | 28 | 23 | 22 | 22 | 24 | 19 | 18 | 19 | 18 |
Feels °C | 15 | 15 | 13 | 13 | 11 | 10 | 8 | 18 | 16 | 18 | 23 | 18 | 20 | 18 | 19 | 18 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 11 | SW 14 | SSW 12 | SSW 12 | SSW 14 | SSW 13 | SSW 12 | SSW 11 | S 11 | SW 10 | SW 10 | SW 10 | WSW 12 | WSW 12 | WSW 11 | SW 10 | SW 11 | SW 12 |
| kJ | 993 | 577 | 1285 | 1197 | 1744 | 3268 | 2394 | 1259 | 844 | 396 | 204 | 153 | 79 | 417 | 405 | 319 | 479 | 1495 | 1710 |
Swell 2 Height (m) Direction Period (s) | SW 12 | SW 11 | W 10 | W 9 | W 9 | W 8 | NW 11 | NW 11 | NW 11 | SW 12 | S 10 | S 10 | S 9 | S 9 | S 8 | SW 4 | W 10 | W 11 | NW 11 |
| kJ | 343 | 418 | 400 | 234 | 102 | 35 | 5 | 5 | 5 | 220 | 125 | 122 | 58 | 24 | 22 | 6 | 360 | 2 | 5 |
Swell 3 Height (m) Direction Period (s) | WNW 13 | SSW 14 | WNW 12 | NW 12 | SW 16 | NW 12 | — | — | — | SW 21 | SW 20 | SW 19 | WSW 14 | S 11 | SW 16 | SW 15 | S 9 | — | — |
| kJ | 17 | 257 | 15 | 6 | 274 | 6 | — | — | — | 18 | 15 | 15 | 78 | 9 | 41 | 37 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | S 5 | SE 5 | — | SSW 4 | — | — | — | S 4 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 120 | 42 | — | 14 | — | — | — | 14 | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 6 | 32 | 457 | 3 | 342 | 457 | 1 | 1 | 42 | 0 | 32 | 17 | 1 | 3 | 37 | 10 | 32 | 32 | 1 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Derde Steen surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Derde Steen Surf forecast
The above surf forecast table for Derde Steen provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Derde Steen can be found by selecting the local surf guide option on the grey menu. Our Derde Steen surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Derde Steen) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Derde Steen may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Derde Steen is 8 km (5 miles) from the very large city of Robben Island. If you plan a holiday in Cape Town, look for hotels and other accommodation in Robben Island. Robben Island has rooms for a wide range of budgets as well as cheap car hire and transport links.
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