
Surf Forecasts:
Black Rocks surf forecast from 8 Jul 2026:
- Best quality surf: Wednesday 8 Jul, 8AM (local time) - 6.5ft (2.0m), 13s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 9 Jul, 8AM (local time) - 8ft (2.5m), 14s period, SSW swell with 2,908 kJ wave energy.
- Next surfable swell (1★+): Wednesday 8 Jul, 8AM (local time) - 6.5ft (2.0m), 13s period with SW swell.
Best Forecast Surf Conditions for Black Rocks this week:
The surf forecast for Black Rocks over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Jul 08) at 8AM. The primary swell is predicted to be 2.0m and 13s period with a secondary swell of 0.9m and 18s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Black Rocks in the next 16 days are 2.5m 14s and forecast to arrive on Thursday (Jul 09) at 8AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 10s period and expected on Monday (Jul 13) at 11PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Wed 8th Jul) | 6.5ft (2.0m) 13s |
| Best Surf | 8AM (Wed 8th Jul) | 6.5ft (2.0m) 13s |
| Most Powerful | 8AM (Thu 9th Jul) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Black Rocks over the next 16 days.
Right then, let’s have a proper look at what’s coming our way. This is all about Black Rocks, a reef break for the advanced crew. It’s a bit of a quirky spot, inconsistent as it gets, but when the stars align, it can fire. The water temp is sitting at 60°F, which is pretty much right where it should be for this time of year, nothing wild to report there.
Alright, the outlook kicks off on Wednesday, July 8th, and we’ve got a real mixed bag. Wednesday morning is the only true shining moment in the near term. We’re looking at a solid 6ft swell out of the southwest, with a long period of 13 seconds – that’s proper groundswell energy, carrying a hefty combined energy reading of 1946. The wind is a light northwesterly, making it cross-offshore and keeping the surface clean. This is the standout for the first week, no doubt. It’s got that deep, powerful feel, but it’s only for experienced surfers at 6ft.
Then, the wheels fall off. From Wednesday afternoon all the way through to Tuesday, July 14th, it’s pretty grim. The wind swings around to the southeast and cranks up, smashing the waves with strong cross-onshore winds. The swell stays around 5ft to 8ft but it’s just messy, lumpy, and blown out. There’s a brief moment on Sunday, July 12th, where the wind drops and the swell dips to 6ft, but it’s a short-period 7-second swell, so it’s all chop and no shape. Not worth paddling out for.
Things get interesting again further out. On Wednesday, July 15th, the wind turns offshore from the west, but the swell is tiny, only 1ft to 3ft. It’s clean, but there’s just nothing to ride.
Now, here’s the big one to watch. Thursday, July 16th, the forecast is showing a serious pulse. A 10ft southwest swell with a 12-second period, and the combined energy is massive at 4079 by the afternoon. The wind is clean cross-offshore. That’s a heavy, powerful day and strictly for experts. It’s still over a week away, so it’s promising but not locked in.
Saturday, July 18th, is another one to keep an eye on. The afternoon session shows a 7ft southwest swell with a 12-second period, glassy conditions with a light offshore from the west. That’s clean and lined up, a real gem if the forecast holds.
After that, the swell fades into the 4ft to 5ft range with clean winds, but the energy drops off. By Tuesday, July 21st, it’s back to cross-onshore chop again.
So, looking at the whole 16 days, there’s a big gap of poor conditions from Wednesday afternoon through to Tuesday. The real standout is that Wednesday, July 8th morning session for a solid, clean, powerful swell. The other one to circle on the calendar is Saturday, July 18th afternoon, with glassy conditions. The 10ft day on July 16th is for the brave and skilled only.
Just remember, Black Rocks is inconsistent, so don’t expect these windows to last long. Keep your eyes on that wind.
Rusty.
Short Range ForecastMostly dry. Very mild (max 16°C on Wed morning, min 12°C on Wed night). Winds increasing (light winds from the NW on Wed morning, strong winds from the ESE by Fri night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 16°C on Sat afternoon, min 13°C on Sat morning). Winds decreasing (fresh winds from the ESE on Sat morning, calm by Mon morning). | ||||||||||||||||||||
Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | |||||||||||||||
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 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SE 7 | S 10 | S 10 | S 9 | S 9 | SW 13 | SW 12 | SW 12 |
Wave Graph | |||||||||||||||||||||
974 | 2578 | 2852 | 2629 | 1859 | 2098 | 1682 | 1504 | 1098 | 861 | 633 | 469 | 309 | 260 | 277 | 179 | 134 | 85 | 80 | 72 | 74 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-off |
High Tide | 8:58AM1.10m | 9:26PM1.29m | 10:19AM1.10m | 10:42PM1.29m | 11:40AM1.15m | 11:57PM1.34m | 12:49PM1.24m | 1:04AM1.42m | 1:48PM1.35m | 2:02AM1.49m | 2:40PM1.47m | 2:55AM1.55m | 3:28PM1.56m | 3:43AM1.57m | |||||||
Low Tide | 2:52PM0.46m | 4:04AM0.39m | 4:11PM0.48m | 5:23AM0.35m | 5:36PM0.45m | 6:34AM0.27m | 6:51PM0.37m | 7:35AM0.17m | 7:54PM0.26m | 8:28AM0.09m | 8:48PM0.17m | 9:15AM0.02m | 9:38PM0.10m | ||||||||
7:52 | — | — | 7:52 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | |
— | 5:50 | — | — | 5:50 | — | — | 5:51 | — | — | 5:51 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 14 | 12 | 13 | 13 | 13 | 14 | 14 | 13 | 16 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 |
Feels °C | 15 | 15 | 8 | 3 | 5 | 5 | 5 | 6 | 5 | 6 | 9 | 8 | 13 | 13 | 14 | 15 | 13 | 14 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSE 8 | S 10 | S 10 | S 9 | S 9 | W 9 | W 9 | W 9 |
974 | 2578 | 2852 | 2629 | 1859 | 2098 | 1682 | 1504 | 1098 | 861 | 633 | 469 | 308 | 150 | 277 | 179 | 134 | 85 | 81 | 59 | 56 | |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 16 | S 13 | — | — | SW 12 | W 14 | W 13 | W 12 | W 11 | W 12 | W 12 | SSE 7 | SSW 10 | W 10 | W 10 | W 11 | W 10 | S 9 | SSE 9 | SW 12 |
962 | 1330 | 31 | — | — | 1003 | 16 | 30 | 73 | 88 | 98 | 99 | 131 | 202 | 50 | 48 | 93 | 96 | 61 | 62 | 74 | |
Swell 3 Height (m) Direction Period (s) | ESE 10 | ESE 10 | — | — | — | — | — | W 8 | — | S 20 | SW 18 | SW 17 | W 11 | W 11 | SSW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SSE 9 |
10 | 10 | — | — | — | — | — | 1 | — | 7 | 12 | 12 | 86 | 85 | 21 | 32 | 29 | 44 | 80 | 72 | 30 | |
Wind waves Height (m) Direction Period (s) | — | — | S 11 | — | SSE 5 | SE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | — | — | — | — | — | — | — |
— | — | 526 | — | 83 | 68 | 92 | 148 | 209 | 175 | 176 | 120 | 309 | 260 | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 34 | 44 | 35 | 35 | 32 | 33 | 35 | 25 | 22 | 22 | 14 | 5 | 9 | 5 | 5 | 5 | 5 | 5 | 5 | 4 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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Information about the Black Rocks Surf forecast
The above surf forecast table for Black Rocks provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Black Rocks can be found by selecting the local surf guide option on the grey menu. Our Black Rocks 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 (Black Rocks) 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 Black Rocks 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 Black Rocks, camping, hotels and holiday cottages in Cape Town, consider staying in Cape Town which is 40 km (25 miles) away. Other places in and around Cape Town where you can find information about places to rent, and car hire include Bellville which is 46 km (29 miles) away, Stellenbosch, Grabouw and Kayamnandi.










