Surf Forecasts:
Haardebaai surf forecast from 22 Aug 2026:
- Best quality surf: Saturday 22 Aug, 8PM (local time) - 7ft (2.2m), 11s period, SW swell with cross-offshore winds.
- Most powerful swell: Tuesday 25 Aug, 8AM (local time) - 8ft (2.5m), 14s period, SW swell with 2,485 kJ wave energy.
- Next surfable swell (1★+): Saturday 22 Aug, 5PM (local time) - 6ft (1.9m), 11s period with SW 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 Saturday (Aug 22) at 5PM. The primary swell is predicted to be 1.9m and 11s period with a secondary swell of 0.2m and 16s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Haardebaai in the next 16 days are 2.5m 14s and forecast to arrive on Tuesday (Aug 25) 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 3.0m 7s period and expected on Wednesday (Aug 26) at 5PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5PM (Sat 22nd Aug) | 6ft (1.9m) 11s |
| Best Surf | 8PM (Sat 22nd Aug) | 7ft (2.2m) 11s |
| Most Powerful | 8AM (Tue 25th Aug) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Haardebaai over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s have a look at the coming swell window for Haardebaai.
We’ve got a bit of a mixed bag coming up, so don’t get too excited just yet. The first few days are a bit of a write-off. Saturday the 22nd of August has some swell, but it’s short-period and the wind is howling offshore—it’s clean, but the wave quality is just not there. Sunday the 23rd through Tuesday the 25th is a total no-go with onshore winds and poor conditions. Wednesday the 26th and Thursday the 27th stay messy, though Thursday afternoon shows a glimmer with glassy conditions and a little 3ft SSW swell—clean, but tiny.
The real standout is Monday the 31st of August. This is the one to circle. Haardebaai is a sheltered reef break, so it needs the right direction. On Monday morning, we’ve got a 8ft SW swell (12-second period) with a moderate offshore wind from the WNW. The water is a bit colder than normal for this time of year, sitting at 58°, about 2° cooler than average. The combined energy is strong (2516), and the conditions are described as excellent for experienced surfers. Monday afternoon gets even better: 10ft SW swell, glassy, clean, and the energy jumps to 2908. This is the best on offer, no question. It’s a big, powerful groundswell, so it’ll be a proper handful, but for the crew who know this reef, it’ll be firing.
Tuesday the 1st of September keeps the fun going with a 8ft SW swell in the morning, light offshore wind, and clean conditions. A solid follow-up, but not quite the peak of Monday.
After that, things get rowdy. Wednesday the 2nd of September kicks up to 10ft but with a near gale-force cross-offshore wind—messy and dangerous. Thursday the 3rd of September sees a massive 18ft to 20ft SW swell, but the forecast says it’s too big for this break. Combined energy hits 15324—that’s extreme. Leave it to the pros or the big-wave crew. Friday the 4th and Saturday the 5th are blown out with onshore gales.
There’s a long gap of poor or too-big conditions from the 2nd of September through to the 6th. Sunday the 6th of September shows a 6ft WSW swell with a very long 20-second period, but the wind is onshore and the break is a reef, so that long period might make it tricky to manage. It’s marginal.
So, bottom line: Haardebaai on Monday the 31st of August is your standout. The rest of the window is either small, messy, or just too dang big. Get out there on that Monday and Tuesday morning if you can handle it.
Rusty.
Short Range ForecastMostly dry. Very mild (max 16°C on Sat afternoon, min 12°C on Sun morning). Winds increasing (calm on Sat night, fresh winds from the ESE by Mon night). | Days 4-6 Weather SummaryMostly dry. Warm (max 21°C on Wed afternoon, min 11°C on Tue morning). Winds decreasing (strong winds from the E on Tue night, calm by Thu afternoon). | ||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | |||||||||||||||
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) | SSW 12 | SW 11 | SW 10 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 14 | SW 14 | SW 14 | WSW 13 | WSW 13 | WSW 12 | SSW 11 | SSW 11 | SSW 11 | S 11 | S 11 | WSW 14 | WSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 543 | 924 | 638 | 1834 | 1532 | 1177 | 859 | 430 | 2247 | 2402 | 1672 | 1018 | 578 | 372 | 331 | 486 | 217 | 457 | 457 | 687 | 857 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | on | on | cross-on | on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-off | glassy | glassy | on | on | cross-off |
High Tide | 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 | 3:05PM1.54m | 3:14AM1.49m | 3:33PM1.61m | 3:44AM1.52m | |||||||
Low Tide | 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 | 8:55AM0.14m | 9:16PM0.17m | 9:22AM0.08m | 9:44PM0.11m | ||||||||
 |  |  | | | | | | | | |  | | | | | | | | | | |
 | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:09 | — | — |
 | — | 6:17 | — | — | 6:19 | — | — | 6:20 | — | — | 6:21 | — | — | 6:21 | — | — | 6:22 | — | — | 6:22 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 15 | 14 | 14 | 13 | 14 | 15 | 13 | 14 | 17 | 14 | 16 | 21 | 18 | 21 | 20 | 18 | 21 | 26 | 27 |
Feels °C | 10 | 11 | 14 | 13 | 11 | 10 | 11 | 11 | 9 | 7 | 10 | 5 | 9 | 15 | 16 | 20 | 18 | 17 | 17 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SW 11 | SW 10 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 14 | SW 14 | SW 14 | WSW 13 | WSW 13 | SSW 11 | SSW 11 | SSW 11 | SE 8 | S 11 | S 11 | WSW 14 | WSW 15 |
| kJ | 543 | 924 | 638 | 1834 | 1532 | 1177 | 859 | 430 | 2247 | 2402 | 1672 | 1018 | 578 | 372 | 331 | 486 | 111 | 457 | 457 | 687 | 857 |
Swell 2 Height (m) Direction Period (s) | WSW 10 | WSW 16 | WSW 14 | — | — | — | SSW 13 | SSW 10 | W 11 | SSW 16 | SSW 15 | SSW 12 | SSW 12 | WSW 12 | WSW 12 | SE 8 | SSW 11 | S 14 | WSW 14 | SSE 11 | SSE 11 |
| kJ | 198 | 27 | 585 | — | — | — | 69 | 352 | 157 | 87 | 201 | 297 | 374 | 350 | 210 | 173 | 217 | 250 | 207 | 343 | 314 |
Swell 3 Height (m) Direction Period (s) | — | — | SSW 11 | — | — | — | — | SSW 14 | — | — | — | SSW 12 | SSW 16 | SSW 15 | S 15 | WSW 12 | S 11 | WSW 11 | WSW 11 | SSE 14 | ESE 8 |
| kJ | — | — | 219 | — | — | — | — | 250 | — | — | — | 297 | 198 | 135 | 157 | 158 | 195 | 126 | 93 | 115 | 14 |
Wind waves Height (m) Direction Period (s) | NNW 3 | — | — | — | — | — | — | — | ESE 4 | ESE 5 | SE 5 | SE 6 | SE 7 | SE 7 | ESE 7 | — | — | — | — | — | NW 4 |
| kJ | 6 | — | — | — | — | — | — | — | 38 | 80 | 135 | 342 | 622 | 820 | 478 | — | — | — | — | — | 20 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 7 | 0 | 4 | 4 | 34 | 4 | 4 | 4 | 19 | 23 | 66 | 61 | 19 | 19 | 4 | 0 | 0 | 0 | 4 | 4 | 7 |
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.
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