Surf Forecasts:
Ansteys surf forecast from 23 Aug 2026:
- Best quality surf: Sunday 30 Aug, 2AM (local time) - 10ft (3.0m), 8s period, NE swell with cross-offshore winds.
- Most powerful swell: Wednesday 26 Aug, 11PM (local time) - 8ft (2.5m), 17s period, S swell with 4,284 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 11PM (local time) - 5ft (1.5m), 10s period with S swell.
Best Forecast Surf Conditions for Ansteys this week:
The surf forecast for Ansteys over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Aug 23) at 11PM. The primary swell is predicted to be 1.5m and 10s period with a secondary swell of 0.2m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Ansteys in the next 16 days are 2.5m 17s and forecast to arrive on Wednesday (Aug 26) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 17s period and expected on Tuesday (Aug 25) at 11PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sun 23rd Aug) | 5ft (1.5m) 10s |
| Best Surf | 2AM (Sun 30th Aug) | 10ft (3.0m) 8s |
| Most Powerful | 11PM (Wed 26th Aug) | 8ft (2.5m) 17s |
Table - best surf conditions forecast for Ansteys over the next 16 days.
The Lowdown
G’day, Rusty here. It’s a long stretch ahead at Ansteys, and the first week’s looking pretty cooked. There’s a real gap of poor conditions before we get anything worth paddling for.
Sunday and Monday bring small, choppy cross-onshore slop with combined wave energy around 268 – not worth suiting up. Through the rest of August and into early September, it’s a mix of messy cross-shore winds and lumpy swell. The numbers climb – combined energy hitting 1325 on Sunday with 2.5m swell – but the period’s short at 8 to 10 seconds, and the 20–25 km/h cross-onshore winds will keep it bumpy. Best to sit this one out.
The saving grace comes on Saturday 5 September. By the afternoon, the wind drops to nothing – glassy, with a light air. You’ll find 1.1m of E swell at 9 seconds, nothing huge, but the surface will be clean as a whistle. Combined energy is only 235, so it’s a fun-size wave, but with the water flat and the sun out, it’s a dreamy little session. Crowds are *sometimes* an issue, but on a glassy arvo like that, you might luck out and have it to yourself.
Sunday 6 September sees a bigger pulse – 3.0m of ENE swell with combined energy up to 2485 – but a 20 km/h cross-onshore SSW wind will chop it up into a mess. That’s more of a kite day.
Water temp’s 21°C, right on average for the season. Nothing wild there.
So, mate, pencil in Saturday 5 September. That’s your window. The rest, just give it a miss.
Rusty.
Short Range ForecastMostly dry. Warm (max 20°C on Sun morning, min 16°C on Sun night). Winds decreasing (fresh winds from the SSW on Sun morning, calm by Mon night). | Days 4-6 Weather SummaryLight rain (total 6mm), mostly falling on Wed night. Warm (max 22°C on Fri afternoon, min 17°C on Thu night). Winds increasing (light winds from the SSW on Wed morning, strong winds from the NE by Thu afternoon). | ||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||
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) | S 10 | S 10 | S 10 | S 10 | SSE 9 | SSE 9 | SSE 8 | SSE 9 | S 4 | S 5 | S 18 | S 16 | S 14 | S 13 | S 13 | S 13 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1319 | 610 | 371 | 262 | 177 | 103 | 57 | 27 | 19 | 37 | 2174 | 3484 | 1313 | 772 | 551 | 455 | 619 | 521 | 402 | 798 | 1266 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | off | cross | cross | cross-off | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross-off | cross | cross | cross-off | cross | cross | cross-off |
High Tide | 1:47PM1.32m | 1:52AM1.40m | 2:22PM1.50m | 2:28AM1.55m | 2:50PM1.67m | 2:57AM1.68m | 3:17PM1.82m | 3:25AM1.80m | 3:43PM1.94m | 3:52AM1.89m | 4:09PM2.04m | 4:18AM1.95m | 4:36PM2.08m | 4:45AM1.97m | |||||||
Low Tide | 7:49PM0.85m | 8:07AM0.70m | 8:27PM0.69m | 8:37AM0.55m | 8:57PM0.54m | 9:04AM0.41m | 9:24PM0.40m | 9:31AM0.28m | 9:51PM0.30m | 9:57AM0.19m | 10:18PM0.22m | 10:23AM0.13m | 10:45PM0.19m | ||||||||
 | |  | | | | | |  |  |  |  | | | | | | | | | | |
 | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:15 | — | — |
 | — | 5:35 | — | — | 5:36 | — | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | 5 | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 18 | 18 | 19 | 18 | 19 | 20 | 19 | 20 | 20 | 18 | 20 | 19 | 19 | 21 | 22 | 20 | 21 | 22 | 20 |
Feels °C | 14 | 15 | 18 | 15 | 17 | 18 | 16 | 17 | 17 | 18 | 18 | 17 | 15 | 13 | 14 | 17 | 17 | 17 | 16 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | E 9 | S 10 | S 10 | S 10 | SSE 9 | SSE 9 | SSW 16 | SSW 15 | SSW 17 | SSW 18 | S 18 | S 16 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | ENE 8 |
| kJ | 6 | 610 | 371 | 262 | 177 | 103 | 263 | 308 | 459 | 516 | 2174 | 3484 | 1313 | 772 | 551 | 455 | 518 | 356 | 232 | 174 | 665 |
Swell 2 Height (m) Direction Period (s) | — | E 9 | E 9 | E 9 | E 9 | SSW 17 | SSE 8 | SSE 9 | ESE 7 | E 9 | E 9 | E 12 | — | S 17 | S 16 | S 16 | — | — | — | — | S 11 |
| kJ | — | 6 | 6 | 6 | 6 | 97 | 57 | 27 | 5 | 6 | 6 | 3 | — | 284 | 329 | 186 | — | — | — | — | 88 |
Swell 3 Height (m) Direction Period (s) | — | — | E 9 | SSW 16 | SSE 12 | NE 4 | ENE 4 | SE 8 | SSE 9 | SE 10 | SE 13 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 6 | 27 | 14 | 4 | 4 | 10 | 8 | 4 | 7 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 10 | — | — | — | ENE 3 | NE 4 | — | S 4 | S 4 | S 5 | — | — | ENE 5 | ENE 6 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 8 |
| kJ | 1319 | — | — | — | 4 | 14 | — | 14 | 19 | 37 | — | — | 80 | 315 | 302 | 362 | 619 | 521 | 402 | 798 | 1266 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 321 | 277 | 0 | 6 | 6 | 0 | 229 | 163 | 8 | 7 | 163 | 6 | 855 | 849 | 362 | 326 | 688 | 311 | 502 | 688 | 362 |
Best forecast wave conditions in Durban/KwaZulu-Natal South Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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Information about the Ansteys Surf forecast
The above surf forecast table for Ansteys provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Ansteys can be found by selecting the local surf guide option on the grey menu. Our Ansteys 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 (Ansteys) 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 Ansteys 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 Durban/KwaZulu-Natal South Coast? If you are looking for accommodation near Ansteys, camping, hotels and holiday cottages in Durban/KwaZulu-Natal South Coast, consider staying in Durban which is 5 km (3 miles) away. Other places in and around Durban/KwaZulu-Natal South Coast where you can find information about places to rent, and car hire include Glenwood which is 7 km (4 miles) away, Umlazi, Kwamashu and Umhlanga.
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