Surf Forecasts:
Haardebaai surf forecast from 14 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 11PM (local time) - 8ft (2.5m), 15s period, SW swell with offshore winds.
- Most powerful swell: Wednesday 16 Sep, 2AM (local time) - 10ft (3.0m), 14s period, WSW swell with 4,102 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 11PM (local time) - 8ft (2.5m), 15s 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 15) at 11PM. The primary swell is predicted to be 2.5m and 15s period with a secondary swell of 1.6m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Haardebaai in the next 16 days are 3.0m 14s and forecast to arrive on Wednesday (Sep 16) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Friday (Sep 18) at 2PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Tue 15th Sep) | 8ft (2.5m) 15s |
| Best Surf | 11PM (Tue 15th Sep) | 8ft (2.5m) 15s |
| Most Powerful | 2AM (Wed 16th Sep) | 10ft (3.0m) 14s |
Table - best surf conditions forecast for Haardebaai over the next 16 days.
The Lowdown
Alright crew, Rusty here. Let’s break down what Haardebaai’s got coming up. First week is a major bummer – a long, windy stretch with hardly anything worth paddling out for. The surf quality is poor almost every day until the very last session of the forecast period clears up.
Monday the 14th starts with a fresh NW offshore wind at 22 mph, keeping things clean on a small 4 ft SW groundswell (12 sec period, 374 energy). But the surf is rated poor – it’s there, just not worth it. The afternoon is only marginal.
Tuesday the 15th gets nasty. Swell picks up but a near gale NW wind at 31 mph makes paddling into a 7 ft NW windswell (6 sec period, 763 energy) brutal. That afternoon a solid 5 ft SW groundswell rolls in with huge 1902 energy, but the wind is just as bad. This is a kite day, not a paddle day.
From Wednesday the 16th all the way through Monday the 28th, it’s a tough stretch. Onshore winds from the SE and ESE, often 19 to 34 mph. Swell hangs around 3 ft to 8 ft, mostly SW or WSW, with moderate to high energy. Every session is marked “poor surf conditions” thanks to choppy, blown-out, or unknown conditions. A couple of sessions get a “marginal” tag (like Saturday the 21st and Friday the 25th), but nothing you’d drive for.
The only real standout is the very last day. On Tuesday the 29th, we finally get glassy conditions – dead calm wind from the N and then SE at just 3 mph. The swell is small but consistent at 4 ft from the SW, 12 sec period (energy 392 to 557). The morning is “surfable but ordinary,” but the afternoon is the one: *expect good surf conditions*. That’s your window. Water temp is 59°F, about a degree colder than normal, so suit up. Haardebaai is a consistent, advanced reef break that likes a W offshore, so the SW swell is a little off, but with glassy water, you’ll get some clean, rideable waves. Crowds are “sometimes” here, but on a rare glassy day, expect some company.
Bottom line: a long, windy week with almost nothing, then a brief, clean chance on Tuesday the 29th afternoon. That’s your one shot.
Rusty.
Short Range ForecastHeavy rain (total 25mm), heaviest during Tue night. Very mild (max 18°C on Mon afternoon, min 12°C on Tue night). Winds decreasing (near gales from the NW on Tue afternoon, light winds from the SSE by Tue night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Fri afternoon, min 13°C on Thu morning). Mainly near gales. | ||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||
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 12 | SW 12 | NW 6 | NW 6 | SW 16 | WSW 14 | SW 14 | WSW 13 | SW 13 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | WSW 13 | WSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 374 | 268 | 236 | 366 | 1082 | 4102 | 2290 | 1230 | 2076 | 1638 | 988 | 741 | 688 | 1053 | 1109 | 785 | 455 | 680 | 1116 | 904 | 626 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-on | on | on | on | on | on | on | on | on | on | cross-on | on | on | on | on | cross-on |
High Tide | 4:59PM1.55m | 5:17AM1.37m | 5:28PM1.42m | 5:47AM1.26m | 5:58PM1.29m | 6:20AM1.14m | 6:33PM1.15m | 7:04AM1.02m | 7:24PM1.02m | 8:41AM0.92m | 9:33PM0.94m | 11:25AM0.96m | 11:41PM1.00m | ||||||||
Low Tide | 10:48AM0.16m | 11:14PM0.17m | 11:17AM0.26m | 11:43PM0.29m | 11:46AM0.38m | 00:13AM0.41m | 12:17PM0.51m | 00:50AM0.54m | 12:58PM0.64m | 1:57AM0.65m | 2:47PM0.74m | 4:48AM0.67m | 5:48PM0.69m | ||||||||
 |  |  |  | |  |  | | | | |  | | | | | | | | | | |
 | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:39 | — | — | 6:37 | — | — |
 | — | 6:34 | — | — | 6:35 | — | — | 6:36 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:38 | — |
mm | 1 | — | — | — | — | 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 17 | 16 | 17 | 15 | 14 | 15 | 14 | 14 | 15 | 14 | 16 | 17 | 16 | 17 | 17 | 16 | 16 | 17 | 16 |
Feels °C | 11 | 11 | 11 | 7 | 7 | 6 | 7 | 8 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 9 | 10 | 9 | 12 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 11 | SW 16 | WSW 14 | SW 14 | WSW 13 | SW 13 | SW 12 | WSW 12 | SW 11 | SW 11 | SW 13 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | WSW 13 | WSW 12 |
| kJ | 374 | 268 | 187 | 205 | 1082 | 4102 | 2290 | 1230 | 2076 | 1638 | 988 | 741 | 688 | 1053 | 1109 | 785 | 455 | 680 | 1116 | 904 | 626 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 11 | ESE 11 | SW 18 | ESE 13 | ESE 13 | W 13 | SW 13 | W 13 | — | SSW 11 | S 10 | — | S 8 | — | SW 14 | SW 14 | SW 18 | ESE 10 | ESE 12 | WSW 15 |
| kJ | 189 | 103 | 44 | 192 | 32 | 16 | 1155 | 802 | 324 | — | 265 | 70 | — | 21 | — | 350 | 305 | 50 | 55 | 56 | 272 |
Swell 3 Height (m) Direction Period (s) | — | — | — | ESE 12 | — | E 11 | ESE 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 18 |
| kJ | — | — | — | 30 | — | 91 | 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | 31 |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 6 | NW 6 | NW 6 | NW 7 | — | — | SSE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 7 | SE 6 | SSE 6 | SE 6 | SE 5 |
| kJ | 68 | 248 | 236 | 366 | 820 | — | — | 85 | 256 | 247 | 297 | 241 | 366 | 604 | 701 | 535 | 444 | 228 | 159 | 138 | 84 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 16 | 122 | 24 | 133 | 186 | 19 | 303 | 233 | 23 | 202 | 366 | 366 | 1223 | 1210 | 1149 | 67 | 366 | 233 | 419 | 562 | 8 |
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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