Surf Forecasts:
Treskostraal surf forecast from 23 Aug 2026:
- Best quality surf: Sunday 30 Aug, 11AM (local time) - 11ft (3.5m), 12s period, WSW swell with cross-onshore winds.
- Most powerful swell: Sunday 30 Aug, 2PM (local time) - 11ft (3.5m), 12s period, WSW swell with 3,368 kJ wave energy.
- Next surfable swell (1★+): Wednesday 26 Aug, 5AM (local time) - 5.5ft (1.7m), 13s period with WSW swell.
Best Forecast Surf Conditions for Treskostraal this week:
The surf forecast for Treskostraal over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Aug 26) at 5AM. The primary swell is predicted to be 1.7m and 13s period with a secondary swell of 1.7m and 8s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Treskostraal in the next 16 days are 3.5m 12s and forecast to arrive on Sunday (Aug 30) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Saturday (Aug 29) at 2PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 26th Aug) | 5.5ft (1.7m) 13s |
| Best Surf | 11AM (Sun 30th Aug) | 11ft (3.5m) 12s |
| Most Powerful | 2PM (Sun 30th Aug) | 11ft (3.5m) 12s |
Table - best surf conditions forecast for Treskostraal over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 19°C on Mon afternoon, min 12°C on Sun morning). Winds decreasing (fresh winds from the S on Mon night, light winds from the SE by Tue night). | Days 4-6 Weather SummaryMostly dry. Warm (max 29°C on Fri afternoon, min 16°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the N by Fri night). | ||||||||||||||||||||
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) | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | SW 15 | SW 14 | SW 14 | WSW 13 | SW 13 | WSW 12 | WSW 12 | SSW 11 | SSW 11 | SSW 11 | WSW 16 | WSW 14 | WSW 15 | WSW 13 | WSW 13 | WSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1442 | 1500 | 980 | 723 | 517 | 847 | 1657 | 1850 | 1235 | 966 | 543 | 353 | 438 | 430 | 422 | 288 | 512 | 309 | 653 | 710 | 1043 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | on |
High Tide | 12:56PM1.11m | 1:01AM1.17m | 1:35PM1.23m | 1:40AM1.28m | 2:07PM1.36m | 2:13AM1.38m | 2:36PM1.47m | 2:44AM1.46m | 3:04PM1.57m | 3:15AM1.52m | 3:33PM1.64m | 3:45AM1.55m | 4:02PM1.68m | 4:17AM1.55m | |||||||
Low Tide | 7:08PM0.57m | 7:27AM0.43m | 7:46PM0.46m | 7:59AM0.32m | 8:18PM0.35m | 8:27AM0.23m | 8:47PM0.25m | 8:55AM0.15m | 9:16PM0.17m | 9:22AM0.10m | 9:44PM0.11m | 9:49AM0.08m | 10:14PM0.08m | ||||||||
 | |  | | | | | | | | | |  |  |  | | | | | |  | |
 | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — | 7:13 | — | — | 7:11 | — | — | 7:11 | — | — | 7:09 | — | — |
 | — | 6:24 | — | — | 6:24 | — | — | 6:25 | — | — | 6:27 | — | — | 6:27 | — | — | 6:28 | — | — | 6:29 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Temp °C | 14 | 16 | 15 | 16 | 19 | 15 | 16 | 18 | 17 | 20 | 24 | 24 | 18 | 19 | 20 | 25 | 29 | 25 | 14 | 14 | 14 |
Feels °C | 11 | 12 | 9 | 12 | 14 | 9 | 12 | 12 | 12 | 18 | 21 | 21 | 16 | 17 | 16 | 20 | 25 | 21 | 9 | 9 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 11 | SW 15 | SW 14 | SW 14 | WSW 13 | SW 13 | S 11 | S 11 | SSW 11 | SSW 11 | SSW 11 | S 11 | WSW 14 | WSW 12 | WSW 13 | WSW 13 | WSW 14 |
| kJ | 1442 | 1500 | 980 | 723 | 517 | 847 | 1657 | 1850 | 1235 | 966 | 466 | 345 | 438 | 430 | 422 | 284 | 512 | 233 | 653 | 710 | 1043 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 11 | — | — | SSW 14 | WSW 11 | W 11 | — | SSW 13 | S 9 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 16 | S 11 | WSW 15 | S 10 | S 10 | SSE 11 |
| kJ | 171 | 66 | — | — | 129 | 249 | 85 | — | 114 | 351 | 543 | 353 | 260 | 197 | 138 | 288 | 223 | 309 | 68 | 53 | 23 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SW 16 | SW 10 | — | — | — | SSW 16 | SSW 16 | SSW 14 | W 18 | S 15 | WSW 15 | WSW 11 | — | S 10 | SSE 12 | — | SSE 11 |
| kJ | — | — | — | — | 127 | 122 | — | — | — | 97 | 94 | 165 | 6 | 38 | 86 | 135 | — | 131 | 47 | — | 40 |
Wind waves Height (m) Direction Period (s) | — | — | S 5 | S 6 | S 6 | S 7 | S 7 | S 7 | S 8 | — | — | — | — | — | — | S 3 | S 4 | — | NNW 6 | NNW 6 | WNW 6 |
| kJ | — | — | 57 | 118 | 123 | 371 | 306 | 482 | 391 | — | — | — | — | — | — | 8 | 29 | — | 111 | 170 | 150 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 122 | 11 | 11 | 237 | 11 | 11 | 475 | 11 | 0 | 12 | 0 | 113 | 11 | 11 | 14 | 0 | 84 | 299 | 144 | 158 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Treskostraal surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Treskostraal Surf forecast
The above surf forecast table for Treskostraal provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Treskostraal can be found by selecting the local surf guide option on the grey menu. Our Treskostraal 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 (Treskostraal) 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 Treskostraal 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.
Treskostraal is 24 km (15 miles) from the city of Saldanha. If you plan a holiday in West Coast, look for hotels and other accommodation in Saldanha. Saldanha has rooms for a wide range of budgets as well as car hire and transport links.
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