Surf Forecasts:
Eerste Steen surf forecast from 20 Aug 2026:
- Best quality surf: Friday 21 Aug, 2AM (local time) - 7.5ft (2.3m), 12s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 20 Aug, 2PM (local time) - 10ft (3.0m), 13s period, SW swell with 2,884 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 2AM (local time) - 7.5ft (2.3m), 12s period with SW swell.
Best Forecast Surf Conditions for Eerste Steen this week:
The surf forecast for Eerste Steen over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 2AM. The primary swell is predicted to be 2.3m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Eerste Steen in the next 16 days are 3.0m 13s and forecast to arrive on Thursday (Aug 20) at 2PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Friday (Aug 21) at 5AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Fri 21st Aug) | 7.5ft (2.3m) 12s |
| Best Surf | 2AM (Fri 21st Aug) | 7.5ft (2.3m) 12s |
| Most Powerful | 2PM (Thu 20th Aug) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Eerste Steen over the next 16 days.
The Lowdown
Right then, let’s have a look at what’s on the cards for our local stretch, Eerste Steen.
The next couple of weeks are a bit of a mixed bag for Eerste Steen. Thursday the 20th kicks off with a solid but messy 10ft SW swell, but it’s got a cross-shore wind on it and the water’s a proper shocker at 56°, which is a full 4° colder than it should be for this time of year, much colder than normal. That Thursday is honestly a write-off, just a lumpy, borderline situation.
We get a bit of a breather and a clean-up on Friday the 21st morning. The swell drops to a more manageable 7ft from the SW, with an 11-second period and a light cross-offshore breeze from the SE. The energy is moderate (3422 combined energy), and the conditions are clean. It’s not a standout, but it’s a solid start for an intermediate surfer.
The real standout, the one you want to circle in your calendar, is Tuesday the 25th. The morning session is calling. We’ve got a 7ft SW groundswell with a 14-second period, and a light cross-offshore breeze from the ESE making it clean. The combined energy is strong (2101). That long period from the SW is meaty and will wrap in nicely here. It’s going to be excellent for experienced surfers, offering proper, powerful lines. Just be aware, this spot can get a crowd sometimes.
Wednesday the 26th afternoon offers a nice little window too, with a smaller 4ft WSW swell and glassy conditions. It’s only for the lightweights, but for a fun, clean, low-key session it’s a treat.
Further out, there’s a big pulse forecast for the 1st of September. Tuesday the 1st afternoon shows an 12ft SW swell with a 15-second period and light cross-onshore wind. The energy is massive (4544 combined energy), but this is getting into big, expert-only territory and the wind isn’t ideal. Then the 2nd of September looks completely blown out with strong winds, so don’t get your hopes up for that one.
The long-range stuff around the 4th of September shows some potential for clean morning glass with small 4ft swell, but it’s a fair way off and the energy is weak (528).
So, all in all, the pick of the week is easily Tuesday the 25th morning. That’s the one with the grunt and the clean conditions for the experienced crew. A few other smaller windows for a paddle, but nothing else that really jumps out and grabs you.
Rusty.
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 11°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Tue afternoon, min 12°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
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) | SW 13 | SW 13 | SW 12 | SW 11 | SW 11 | SSW 10 | SSW 12 | SW 11 | SW 12 | WSW 13 | WSW 13 | SW 12 | SW 12 | WSW 11 | SW 15 | SW 14 | WSW 14 | SW 13 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3422 | 2536 | 1513 | 1027 | 792 | 388 | 443 | 515 | 1111 | 1748 | 1157 | 1202 | 1022 | 370 | 1025 | 1922 | 1465 | 1288 | 598 | 485 | 374 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross-off | cross-on | cross-on | cross | on | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross | glassy | cross-off |
High Tide | 8:07AM0.99m | 8:32PM1.04m | 9:49AM0.92m | 10:25PM0.98m | 11:54AM0.96m | 00:06AM1.04m | 12:58PM1.07m | 1:01AM1.13m | 1:36PM1.19m | 1:40AM1.24m | 2:08PM1.31m | 2:13AM1.33m | 2:36PM1.42m | 2:44AM1.41m | |||||||
Low Tide | 1:57PM0.63m | 3:19AM0.62m | 3:53PM0.70m | 5:32AM0.61m | 6:08PM0.66m | 6:46AM0.52m | 7:07PM0.56m | 7:27AM0.41m | 7:45PM0.45m | 7:59AM0.30m | 8:17PM0.34m | 8:27AM0.21m | 8:46PM0.24m | ||||||||
 | |  | | |  | |  | | | | | | | | | | | | | | |
 | 7:20 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — |
 | — | 6:19 | — | — | 6:20 | — | — | 6:21 | — | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 16 | 13 | 15 | 18 | 16 | 15 | 16 | 15 | 15 | 17 | 13 | 15 | 17 | 14 | 19 | 24 | 22 | 27 | 27 | 22 |
Feels °C | 11 | 13 | 10 | 13 | 16 | 15 | 14 | 15 | 15 | 14 | 15 | 11 | 12 | 13 | 11 | 16 | 20 | 19 | 25 | 23 | 19 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 12 | SW 11 | SW 11 | SSW 10 | SSW 12 | SW 11 | SW 12 | WSW 13 | WSW 13 | SW 12 | SW 12 | WSW 11 | SW 15 | SW 14 | WSW 14 | SW 13 | WSW 12 | WSW 12 | WSW 12 |
| kJ | 3422 | 2536 | 1513 | 1027 | 792 | 388 | 443 | 515 | 1111 | 1748 | 1157 | 1202 | 1022 | 370 | 1025 | 1922 | 1465 | 1288 | 598 | 485 | 374 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | WSW 11 | WSW 11 | WSW 11 | WSW 17 | WSW 14 | — | SSW 11 | — | — | SW 10 | SW 10 | S 6 | SW 15 | S 7 | SSW 12 | SSW 11 | S 10 |
| kJ | — | — | — | — | 435 | 317 | 176 | 28 | 389 | — | 325 | — | — | 151 | 222 | 64 | 335 | 35 | 371 | 307 | 100 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SSW 14 | — | — | — | — | — | — | — | SW 14 | WSW 11 | — | — | SSE 7 | SE 7 | W 21 | SW 11 |
| kJ | — | — | — | — | — | 77 | — | — | — | — | — | — | — | 162 | 194 | — | — | 62 | 8 | 9 | 94 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SSE 4 | S 5 | S 6 | SSE 6 | S 7 | — | — | — | SSE 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 24 | 86 | 114 | 115 | 57 | — | — | — | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 3 | 41 | 0 | 0 | 16 | 2 | 31 | 31 | 0 | 2 | 2 | 2 | 39 | 94 | 2 | 0 | 2 | 0 | 6 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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Information about the Eerste Steen Surf forecast
The above surf forecast table for Eerste Steen provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Eerste Steen can be found by selecting the local surf guide option on the grey menu. Our Eerste 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 (Eerste 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 Eerste 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.
Eerste 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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