
Surf Forecasts:
Boneyards surf forecast from 9 Aug 2026:
- Best quality surf: Wednesday 12 Aug, 11PM (local time) - 7ft (2.1m), 16s period, SW swell with offshore winds.
- Most powerful swell: Monday 17 Aug, 2AM (local time) - 11ft (3.5m), 16s period, WSW swell with 5,218 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 11AM (local time) - 6ft (1.8m), 12s period with SSW swell.
Best Forecast Surf Conditions for Boneyards this week:
The surf forecast for Boneyards over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 11) at 11AM. The primary swell is predicted to be 1.8m and 12s period with a secondary swell of 0.3m and 10s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Boneyards in the next 16 days are 3.5m 16s and forecast to arrive on Monday (Aug 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 2.5m 8s period and expected on Tuesday (Aug 11) at 8PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Tue 11th Aug) | 6ft (1.8m) 12s |
| Best Surf | 11PM (Wed 12th Aug) | 7ft (2.1m) 16s |
| Most Powerful | 2AM (Mon 17th Aug) | 11ft (3.5m) 16s |
Table - best surf conditions forecast for Boneyards over the next 16 days.
The Lowdown
Alright folks, Rusty here, with a look at the only game in town for the next couple of weeks. We're dialed in on one spot and one spot only, so let's get into it.
The pattern kicks off with a bit of a wait. The first surf we’re looking at is from Monday, the 10th of August. The early part of the week is pretty average, with a strong cross-off wind making things a bit of a mission. We’re looking at a 7ft southerly swell with a period of 10 seconds, and the combined energy is strong at 1565. It's not the best start. Afternoon looks cleaner with a proper offshore wind, but it's still a bit on the messy side.
Things really start to turn around come Tuesday the 11th and especially Wednesday the 12th. Wednesday morning is the standout of the whole period. You’ve got a solid 6ft swell from the southwest, but the magic is in the period – 18 seconds! That’s proper groundswell, packing a heap of punch with the combined energy at 2546. The wind is light offshore from the east, so it’ll be glassy and clean. This is for the experienced crew, as it’s going to have some serious power and those long lines will be running hard at Boneyards.
Thursday the 13th is also a ripper, with the swell bumping up to 8ft from the southwest, and the energy cranking up to 3782. It’s big and powerful, expert territory for sure, but the cross-off wind from the north-east keeps it clean. The period is a very long 17 seconds, so it’ll be well-shaped but expect those long waits between sets.
We see a bit of a drop-off into the weekend, with the wind turning onshore and making things choppy for Saturday the 15th. But by Monday the 17th, the swell is back up to 10ft from the west-southwest. It's big, and with a fresh offshore wind, it'll be clean, but that size is for the brave. The following Tuesday the 18th is a real treat – absolutely glassy conditions with no wind and a 7ft southwest swell. That is as good as it gets for a clean session.
Later in the period, around Sunday the 23rd of August, we see another pulse of serious size, with an 12ft swell from the south-southwest and an incredible combined energy of 5809. That's a beast. It's clean with a cross-off wind, but again, that is for experts only. The forecast is less certain that far out, but it’s one to keep an eye on.
Overall, the best bet on offer is the Wednesday the 12th of August session. The combination of a long-period 6ft southwest groundswell and light offshore winds will deliver some of the cleanest, most powerful waves we'll see. Get on it.
- Rusty
Short Range ForecastMostly dry. Warm (max 22°C on Wed afternoon, min 11°C on Mon night). Winds decreasing (strong winds from the SE on Mon afternoon, light winds from the SE by Wed afternoon). | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Thu afternoon, min 17°C on Sat morning). Wind will be generally light. | ||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | ||||||||||||||
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 11 | S 10 | S 10 | SSW 13 | SSW 12 | SSW 12 | SW 21 | SW 18 | SW 17 | SW 16 | SW 17 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 |
Wave Graph | |||||||||||||||||||
1749 | 821 | 697 | 2057 | 904 | 483 | 2150 | 2344 | 2375 | 2173 | 3782 | 3001 | 2049 | 1580 | 1517 | 1353 | 1306 | 1286 | 1267 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-off | cross | cross-on | on | on |
High Tide | 1:05AM1.35m | 1:45PM1.37m | 2:00AM1.45m | 2:32PM1.51m | 2:47AM1.53m | 3:14PM1.62m | 3:29AM1.56m | 3:53PM1.68m | 4:09AM1.56m | 4:29PM1.69m | 4:46AM1.51m | 5:05PM1.64m | |||||||
Low Tide | 7:32AM0.21m | 7:55PM0.25m | 8:20AM0.10m | 8:44PM0.13m | 9:02AM0.02m | 9:27PM0.05m | 9:40AM-0.01m | 10:08PM0.02m | 10:16AM-0.00m | 10:46PM0.04m | 10:51AM0.05m | 11:22PM0.10m | |||||||
— | 7:31 | — | — | 7:30 | — | — | 7:28 | — | — | 7:28 | — | — | 7:26 | — | — | 7:26 | — | — | |
6:12 | — | 6:12 | — | — | 6:13 | — | — | 6:14 | — | — | 6:14 | — | — | 6:15 | — | — | 6:15 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 12 | 12 | 16 | 14 | 17 | 22 | 23 | 23 | 26 | 24 | 22 | 22 | 22 | 17 | 19 | 17 |
Feels °C | 4 | 5 | 5 | 3 | 8 | 12 | 8 | 13 | 19 | 18 | 19 | 21 | 22 | 19 | 21 | 18 | 14 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | S 10 | SSW 13 | SSW 12 | SSW 12 | SW 21 | SW 18 | SW 17 | SW 16 | SW 17 | WSW 16 | WSW 16 | WSW 15 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 |
1749 | 738 | 697 | 2057 | 904 | 483 | 2150 | 2344 | 2375 | 2173 | 3782 | 3001 | 2049 | 1580 | 1517 | 1353 | 1306 | 1286 | 1267 | |
Swell 2 Height (m) Direction Period (s) | — | S 18 | WSW 11 | WSW 11 | WSW 10 | SW 24 | SSW 11 | SW 10 | SW 10 | SW 21 | SE 10 | SE 10 | SE 9 | ESE 11 | SE 12 | SE 12 | ESE 9 | ESE 8 | WSW 5 |
— | 6 | 382 | 66 | 20 | 455 | 211 | 108 | 64 | 1535 | 163 | 122 | 65 | 78 | 66 | 34 | 48 | 41 | 3 | |
Swell 3 Height (m) Direction Period (s) | — | — | SSW 14 | — | SW 26 | WSW 10 | — | SSW 10 | S 10 | S 10 | — | NNW 7 | — | NW 4 | — | — | — | — | — |
— | — | 471 | — | 27 | 40 | — | 94 | 17 | 7 | — | 17 | — | 10 | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | SSE 8 | S 10 | SE 6 | SE 6 | SE 7 | SE 8 | SE 8 | SE 9 | SE 8 | SE 7 | — | ESE 10 | NNW 4 | NNW 4 | — | — | — | — | — |
280 | 821 | 146 | 282 | 410 | 444 | 470 | 240 | 145 | 199 | — | 371 | 16 | 18 | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 203 | 162 | 161 | 13 | 0 | 0 | 7 | 0 | 0 | 1 | 0 | 1 | 10 | 1 | 0 | 1 | 1 | 10 | 10 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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Information about the Boneyards Surf forecast
The above surf forecast table for Boneyards provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Boneyards can be found by selecting the local surf guide option on the grey menu. Our Boneyards 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 (Boneyards) 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 Boneyards 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.
Are you planning a holiday in Cape Town? If you are looking for accommodation near Boneyards, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 26 km (16 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Robben Island which is 37 km (23 miles) away, Bellville, Kayamnandi and Stellenbosch.











