Surf Forecasts:
Haardebaai surf forecast from 29 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 8AM (local time) - 8ft (2.5m), 13s period, SW swell with glassy winds.
- Most powerful swell: Wednesday 2 Sep, 2AM (local time) - 11ft (3.5m), 14s period, SW swell with 4,541 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 2AM (local time) - 7.5ft (2.3m), 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 Tuesday (Sep 01) at 2AM. The primary swell is predicted to be 2.3m and 11s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Haardebaai in the next 16 days are 3.5m 14s and forecast to arrive on Wednesday (Sep 02) at 2AM. 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 8s period and expected on Friday (Sep 04) at 8AM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Tue 1st Sep) | 7.5ft (2.3m) 11s |
| Best Surf | 8AM (Tue 1st Sep) | 8ft (2.5m) 13s |
| Most Powerful | 2AM (Wed 2nd Sep) | 11ft (3.5m) 14s |
Table - best surf conditions forecast for Haardebaai over the next 16 days.
The Lowdown
Alright, Rusty here. Let's have a look at what's on the table for our local reef.
First up, we've got a solid window of surf coming through. The water's sitting at 59° which is a touch cooler than average for this time of year, but nothing too wild.
The real standout is Tuesday, the 1st of September. That morning, Haardebaai is looking absolutely prime. We're talking a clean 8ft of swell from the WSW, with a 13-second period pushing a heap of energy. The wind is a light cross-offshore breeze, keeping things clean. This is proper expert territory, but for those with the skills, this is the session to circle. The afternoon even bumps up to 10ft, still with clean conditions, but that's getting into the big stuff.
Keep an eye on Saturday the 29th of August as a warm-up. The morning has glassy conditions with a 5ft swell from the WSW, 14-second period, and moderate energy. That's a nice, clean entry point.
The forecast gets a bit messy from Sunday the 30th through to the end of the first week, with strong onshore winds and building swell that's just too wind-affected. A lot of that period is a write-off for clean waves.
For the second week, there's a promising but less certain pulse. Friday the 11th of September is looking like another cracker. The morning is glassy again, with a 7ft WSW swell and a very long 16-second period. That's a lot of water moving, and with that kind of period, it'll be a proper groundswell – best for this reef setup. The afternoon gets a bit of a cross-onshore breeze, but the swell holds.
Sunday the 13th of September is the big one on the horizon. The morning sees a 12ft SW swell with a moderate offshore wind from the WNW. That's a serious, expert-only day. The afternoon stays big but the wind shifts to a cross-onshore, so the morning is the clear window.
Overall, the best bet is Tuesday the 1st of September morning, with the second standout being the glassy Friday the 11th of September morning. There are a few gaps of poor conditions in between, but the good days are worth the wait.
Rusty, signing off.
Short Range ForecastSome drizzle, heaviest during Sat afternoon. Very mild (max 17°C on Sat morning, min 10°C on Sun night). Winds decreasing (fresh winds from the SW on Sat afternoon, calm by Mon night). | Days 4-6 Weather SummaryLight rain (total 9mm), mostly falling on Thu morning. Very mild (max 16°C on Wed afternoon, min 12°C on Tue morning). Winds increasing (calm on Tue night, near gales from the SE by Thu morning). | ||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | |||||||||||||||
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) | WSW 14 | WSW 14 | WSW 13 | WSW 12 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 12 | WSW 12 | S 9 | S 10 | WSW 11 | SSW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 733 | 659 | 793 | 2083 | 1683 | 1207 | 961 | 875 | 1237 | 2270 | 3314 | 4541 | 3663 | 2931 | 1945 | 1081 | 737 | 935 | 459 | 292 | 291 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | on | on | on | on | on | cross-on | glassy | cross-off | cross-off | on | on | on | cross-on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 4:01PM1.65m | 4:15AM1.52m | 4:31PM1.65m | 4:47AM1.49m | 5:03PM1.62m | 5:21AM1.43m | 5:37PM1.54m | 6:00AM1.33m | 6:17PM1.43m | 6:46AM1.21m | 7:09PM1.29m | 7:53AM1.09m | 8:29PM1.16m | ||||||||
Low Tide | 9:49AM0.06m | 10:14PM0.07m | 10:18AM0.06m | 10:45PM0.08m | 10:48AM0.10m | 11:18PM0.11m | 11:21AM0.18m | 11:54PM0.19m | 11:58AM0.28m | 00:38AM0.30m | 12:44PM0.40m | 1:37AM0.43m | 1:53PM0.54m | 3:14AM0.52m | |||||||
 |  |  |  |  |  | | | | | | | | | |  |  | | | | | |
 | 7:07 | — | — | 7:05 | — | — | 7:05 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — |
 | — | 6:22 | — | — | 6:23 | — | — | 6:24 | — | — | 6:24 | — | — | 6:25 | — | — | 6:27 | — | — | 6:28 | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 1 | — | — | — | — |
Temp °C | 17 | 15 | 15 | 14 | 14 | 12 | 12 | 13 | 12 | 13 | 14 | 15 | 15 | 16 | 15 | 14 | 14 | 14 | 15 | 17 | 14 |
Feels °C | 16 | 11 | 11 | 9 | 8 | 6 | 8 | 10 | 10 | 11 | 11 | 15 | 11 | 11 | 10 | 8 | 5 | 4 | 3 | 4 | 2 |
Swell 1 Height (m) Direction Period (s) | WSW 14 | WSW 14 | SW 9 | WSW 12 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 11 | SW 13 | SW 13 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 12 | WSW 12 | WSW 12 | S 10 | SSW 10 | SSW 10 |
| kJ | 733 | 659 | 744 | 2083 | 1683 | 1207 | 961 | 875 | 1237 | 2270 | 3314 | 4541 | 3663 | 2931 | 1945 | 1081 | 737 | 361 | 459 | 292 | 291 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | WSW 10 | WSW 13 | SSE 11 | SSE 10 | SSE 10 | SE 11 | SE 10 | SE 10 | E 11 | — | — | — | — | — | SSW 14 | SSW 15 | SSW 14 | WSW 11 | WSW 11 | WSW 10 |
| kJ | 133 | 246 | 793 | 22 | 20 | 10 | 4 | 4 | 4 | 9 | — | — | — | — | — | 20 | 126 | 170 | 366 | 291 | 202 |
Swell 3 Height (m) Direction Period (s) | SSE 13 | SSE 11 | SSE 11 | E 12 | E 12 | E 12 | — | — | — | — | — | — | — | — | — | SSW 18 | — | SSW 14 | — | S 15 | SSW 14 |
| kJ | 68 | 111 | 69 | 26 | 11 | 11 | — | — | — | — | — | — | — | — | — | 30 | — | 173 | — | 17 | 61 |
Wind waves Height (m) Direction Period (s) | — | SW 7 | — | — | — | SSE 7 | — | — | — | — | — | — | — | — | SSE 4 | S 9 | S 8 | S 9 | ESE 4 | SE 6 | SE 5 |
| kJ | — | 248 | — | — | — | 93 | — | — | — | — | — | — | — | — | 32 | 230 | 277 | 935 | 46 | 148 | 74 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 280 | 4 | 4 | 303 | 4 | 4 | 27 | 0 | 0 | 0 | 4 | 4 | 29 | 19 | 180 | 904 | 366 | 74 | 67 | 19 |
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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