Surf Forecasts:
Tweede Steen surf forecast from 21 Sep 2026:
- Best quality surf: Saturday 26 Sep, 8PM (local time) - 7.5ft (2.3m), 14s period, SW swell with glassy winds.
- Most powerful swell: Saturday 26 Sep, 11AM (local time) - 7ft (2.1m), 15s period, SW swell with 2,102 kJ wave energy.
- Next surfable swell (1★+): Monday 21 Sep, 8PM (local time) - 4ft (1.2m), 11s period with WSW swell.
Best Forecast Surf Conditions for Tweede Steen this week:
The surf forecast for Tweede Steen over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 21) at 8PM. The primary swell is predicted to be 1.2m and 11s period with a secondary swell of 0.5m and 15s. Another secondary swell of 0.7m and 6s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Tweede Steen in the next 16 days are 2.1m 15s and forecast to arrive on Saturday (Sep 26) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 3s period and expected on Wednesday (Sep 23) at 11AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Mon 21st Sep) | 4ft (1.2m) 11s |
| Best Surf | 8PM (Sat 26th Sep) | 7.5ft (2.3m) 14s |
| Most Powerful | 11AM (Sat 26th Sep) | 7ft (2.1m) 15s |
Table - best surf conditions forecast for Tweede Steen over the next 16 days.
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Warm (max 29°C on Tue morning, min 14°C on Tue night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 15mm), heaviest on Fri night. Warm (max 27°C on Thu afternoon, min 14°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||||
AM | PM | 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) | WSW 12 | SW 11 | SW 11 | SW 13 | SW 12 | SW 11 | SW 11 | SW 10 | WSW 10 | SSW 16 | SW 15 | SW 13 | SW 12 | SW 12 | SW 12 | SW 15 | SW 14 | SW 14 | SW 13 | WSW 13 | SW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 472 | 380 | 273 | 336 | 319 | 332 | 254 | 184 | 125 | 164 | 784 | 996 | 850 | 683 | 478 | 2102 | 1972 | 1722 | 1521 | 1162 | 1267 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross | cross-on | cross | cross-on | cross-on | cross-off | cross-off | cross | cross-off | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross | cross-off |
High Tide | 12:26PM1.08m | 00:34AM1.10m | 1:02PM1.21m | 1:11AM1.22m | 1:32PM1.35m | 1:43AM1.33m | 2:00PM1.47m | 2:15AM1.43m | 2:28PM1.57m | 2:46AM1.50m | 2:58PM1.65m | 3:18AM1.54m | 3:29PM1.68m | 3:51AM1.55m | |||||||
Low Tide | 6:42PM0.56m | 6:52AM0.44m | 7:17PM0.43m | 7:23AM0.33m | 7:46PM0.30m | 7:51AM0.23m | 8:15PM0.18m | 8:20AM0.15m | 8:44PM0.08m | 8:49AM0.09m | 9:14PM0.01m | 9:19AM0.06m | 9:45PM-0.02m | ||||||||
 | |  |  | | | | |  | | | | |  |  | | | | | |  | |
 | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:33 | — | — | 6:31 | — | — | 6:31 | — | — | 6:28 | — | — |
 | — | 6:40 | — | — | 6:42 | — | — | 6:42 | — | — | 6:43 | — | — | 6:44 | — | — | 6:44 | — | — | 6:45 | — |
mm | — | — | 1 | — | — | 2 | — | — | — | — | — | — | — | 3 | 12 | — | — | — | — | — | — |
Temp °C | 24 | 28 | 25 | 29 | 23 | 19 | 16 | 19 | 17 | 22 | 27 | 24 | 17 | 16 | 15 | 16 | 16 | 15 | 16 | 16 | 14 |
Feels °C | 23 | 26 | 24 | 26 | 22 | 20 | 16 | 19 | 17 | 22 | 25 | 23 | 16 | 15 | 16 | 13 | 12 | 15 | 10 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | SW 11 | SW 11 | SW 13 | SW 12 | SW 11 | SW 11 | SW 10 | WSW 10 | S 7 | SW 15 | SW 13 | SW 12 | SW 12 | SW 12 | SW 15 | SW 14 | SW 14 | SW 13 | WSW 13 | SW 14 |
| kJ | 472 | 380 | 273 | 336 | 319 | 332 | 254 | 184 | 125 | 131 | 784 | 996 | 850 | 683 | 478 | 2102 | 1972 | 1722 | 1521 | 1162 | 1267 |
Swell 2 Height (m) Direction Period (s) | S 6 | SW 15 | SW 14 | WSW 11 | WSW 11 | S 13 | S 12 | NW 4 | S 7 | SW 10 | S 7 | S 7 | — | W 20 | SW 17 | S 10 | S 11 | S 10 | — | SW 16 | S 15 |
| kJ | 60 | 57 | 198 | 133 | 91 | 4 | 3 | 3 | 26 | 76 | 61 | 44 | — | 7 | 290 | 2 | 2 | 2 | — | 65 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | S 5 | SSE 5 | NW 3 | — | SW 15 | S 11 | NW 5 | SSW 16 | WSW 12 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 14 | 5 | 3 | — | 9 | 3 | 1 | 164 | 14 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 6 | S 6 | — | — | — | — | NNW 3 | — | S 7 | — | — | — | — | — | — | — | W 4 | — | — | S 6 | SSE 7 |
| kJ | 82 | 36 | — | — | — | — | 4 | — | 82 | — | — | — | — | — | — | — | 20 | — | — | 134 | 166 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 3 | 0 | 32 | 32 | 7 | 32 | 3 | 0 | 0 | 3 | 0 | 32 | 32 | 32 | 37 | 32 | 2 | 126 | 94 | 3 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Tweede 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 Tweede Steen Surf forecast
The above surf forecast table for Tweede Steen provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Tweede Steen can be found by selecting the local surf guide option on the grey menu. Our Tweede 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 (Tweede 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 Tweede 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.
Tweede 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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