Surf Forecasts:
Haardebaai surf forecast from 20 Aug 2026:
- Best quality surf: Wednesday 26 Aug, 11AM (local time) - 4.5ft (1.4m), 12s period, WSW swell with offshore winds.
- Most powerful swell: Thursday 20 Aug, 2PM (local time) - 10ft (3.0m), 13s period, SW swell with 3,165 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 11PM (local time) - 4.5ft (1.3m), 11s period with WSW swell.
Best Forecast Surf Conditions for Haardebaai this week:
The surf forecast for Haardebaai over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 11PM. The primary swell is predicted to be 1.3m and 11s period with a secondary swell of 1.3m and 10s. Another secondary swell of 0.8m and 5s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Haardebaai in the next 16 days are 3.0m 13s and forecast to arrive on Thursday (Aug 20) at 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Tuesday (Aug 25) at 8PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 21st Aug) | 4.5ft (1.3m) 11s |
| Best Surf | 11AM (Wed 26th Aug) | 4.5ft (1.4m) 12s |
| Most Powerful | 2PM (Thu 20th Aug) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Haardebaai over the next 16 days.
The Lowdown
Righto, let’s have a look at what’s on offer for Haardebaai, a solid reef setup that needs the right key to wind and swell.
Overall, the next 16 days are a bit of a mixed bag. There’s some serious size on the horizon, but plenty of wind and dodgy conditions in between. The standout windows are clear, though, and worth waiting for.
We kick off with a bit of a waiting game. Thursday the 20th has some serious swell – 12 ft from the SW with a combined wave energy of 3903 (strong) – but it’s onshore, so save your energy. Friday continues pretty grim with cross-onshore winds and dropping swell. Not worth paddling out.
Saturday the 22nd is where things start to look interesting. We get a morning offshore breeze from the NW, with swell easing to 4 ft from the SSW and a moderate combined energy of 749. It’s clean, and that offshore wind will shape up the reef nicely. The afternoon sees a 7 ft SW swell with a gentle cross-off breeze and combined energy of 975, still clean. This is a good window for the experienced crew, but keep your eyes open for others.
Sunday and Monday are some of the best on offer. Monday, after a few days of poor onshore slop, we get a glassy morning on the 26th with 5 ft of WSW swell (combined energy 1011), and then an absolute gem on the 26th afternoon – dead glass with 4 ft WSW swell (843). That’s as clean as it gets. If you can sneak out midweek, do it.
Looking further ahead, the big news is Friday the 28th morning. Haardebaai lines up with 8 ft of WSW swell, period of 15 seconds (very long groundswell), and a light offshore from the NW. Combined energy is a meaty 2743. That’s a standout. The afternoon holds similar size but shifts to a cross-off breeze. This is for experts only – that’s a lot of water moving.
Another absolute belter arrives on Tuesday the 1st of September. Morning and afternoon both deliver 10 ft to 12 ft SW swell with 15-second periods, clean offshore WNW wind around 20 km/h, and combined energy readings of 4301 and 5651 – that is pumping. Only for the experienced, but if you know the reef, this will be the session of the window.
The following days drop off as wind pipes up. A near gale on the 2nd makes it a no-go. Further out, the 4th of September gives a final clean, glassy morning with 4 ft WSW swell (combined energy 711) and a slight offshore breeze – a nice mellow finisher if you can wait.
The water temp is around 58°F, which is a bit colder than usual for this time of year, so a good hood and booties are on the cards.
Overall, the best windows are the 26th August (glassy) and the 28th August morning, with the 1st September being the true stand-out if you can handle the size.
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 21°C on Tue afternoon, min 12°C on Sun morning). Winds increasing (light winds from the SE on Sun night, fresh winds from the ESE by Tue afternoon). | ||||||||||||||||||||
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 12 | SW 12 | WSW 11 | WSW 11 | SSW 10 | SSW 12 | SW 11 | SW 12 | WSW 13 | WSW 13 | SW 12 | WSW 11 | WSW 11 | SW 14 | SW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph | |||||||||||||||||||||
3903 | 2536 | 1605 | 573 | 458 | 370 | 551 | 964 | 1356 | 1960 | 1693 | 1299 | 891 | 430 | 2247 | 2141 | 1422 | 1002 | 575 | 477 | 374 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | on | cross-off | off | cross-off | cross-on | on | on | on | on | on | cross-on | cross-on | on | cross-on | off | glassy | cross-on |
High Tide | 8:01AM1.00m | 8:27PM1.05m | 9:44AM0.92m | 10:24PM0.99m | 11:57AM0.97m | 00:08AM1.05m | 1:01PM1.08m | 1:03AM1.15m | 1:38PM1.20m | 1:41AM1.25m | 2:09PM1.32m | 2:14AM1.35m | 2:37PM1.44m | 2:44AM1.43m | |||||||
Low Tide | 1:52PM0.63m | 3:15AM0.64m | 3:46PM0.72m | 5:34AM0.63m | 6:08PM0.67m | 6:48AM0.53m | 7:08PM0.57m | 7:29AM0.42m | 7:46PM0.46m | 8:00AM0.31m | 8:18PM0.35m | 8:28AM0.21m | 8:47PM0.25m | ||||||||
7:18 | — | — | 7:18 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | |
— | 6:16 | — | — | 6:17 | — | — | 6:17 | — | — | 6:19 | — | — | 6:20 | — | — | 6:21 | — | — | 6:21 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 13 | 13 | 18 | 16 | 15 | 16 | 15 | 14 | 15 | 13 | 14 | 15 | 14 | 15 | 21 | 19 | 25 | 25 | 20 |
Feels °C | 12 | 12 | 9 | 8 | 14 | 14 | 10 | 13 | 15 | 11 | 11 | 9 | 11 | 11 | 8 | 8 | 14 | 15 | 22 | 22 | 18 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 12 | SW 12 | WSW 11 | WSW 11 | SSW 10 | SSW 12 | SW 11 | SW 12 | WSW 13 | WSW 13 | SW 12 | WSW 11 | WSW 11 | SW 14 | SW 14 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 |
3903 | 2536 | 1605 | 573 | 458 | 370 | 551 | 964 | 1356 | 1960 | 1693 | 1299 | 891 | 430 | 2247 | 2141 | 1422 | 1002 | 575 | 477 | 374 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSW 11 | SSW 10 | WSW 11 | WSW 10 | SW 17 | WSW 14 | — | SSW 11 | — | SSW 13 | SW 11 | W 11 | SSW 16 | SSW 15 | SSW 13 | SSW 12 | SSW 11 | S 10 |
— | — | — | 379 | 310 | 291 | 198 | 11 | 394 | — | 346 | — | 69 | 258 | 157 | 229 | 468 | 294 | 436 | 366 | 125 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SSW 14 | — | — | — | — | — | — | — | SW 14 | — | — | SSW 10 | — | SE 7 | SE 8 | SW 11 |
— | — | — | — | — | 145 | — | — | — | — | — | — | — | 288 | — | — | 20 | — | 89 | 58 | 90 | |
Wind waves Height (m) Direction Period (s) | — | — | ESE 3 | ESE 4 | SE 5 | — | NNW 3 | — | — | — | — | — | — | SSE 4 | ESE 5 | ESE 5 | SE 6 | ESE 6 | — | W 3 | ESE 8 |
— | — | 9 | 32 | 74 | — | 3 | — | — | — | — | — | — | 17 | 78 | 140 | 266 | 196 | — | 6 | 32 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 4 | 4 | 8 | 8 | 4 | 0 | 0 | 0 | 4 | 4 | 4 | 4 | 4 | 27 | 23 | 19 | 19 | 19 | 0 | 0 | 4 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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Information about the Haardebaai Surf forecast
The above surf forecast table for Haardebaai provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Haardebaai can be found by selecting the local surf guide option on the grey menu. Our Haardebaai 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 (Haardebaai) 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 Haardebaai 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 Overberg? If you are looking for accommodation near Haardebaai, camping, hotels and holiday cottages in Overberg, consider staying in Grabouw which is 30 km (19 miles) away. Other places in and around Overberg where you can find information about places to rent, and car hire include Hermanus which is 37 km (23 miles) away, Stellenbosch, Kayamnandi and Bellville.











