Surf Forecasts:
Treskostraal surf forecast from 19 Aug 2026:
- Best quality surf: Wednesday 19 Aug, 11AM (local time) - 10ft (3.0m), 12s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 20 Aug, 2PM (local time) - 10ft (3.0m), 13s period, SW swell with 2,949 kJ wave energy.
- Next surfable swell (1★+): Wednesday 19 Aug, 11AM (local time) - 10ft (3.0m), 12s period with SW 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 19) at 11AM. The primary swell is predicted to be 3.0m and 12s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Treskostraal in the next 16 days are 3.0m 13s and forecast to arrive on Thursday (Aug 20) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Monday (Aug 24) at 5PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Wed 19th Aug) | 10ft (3.0m) 12s |
| Best Surf | 11AM (Wed 19th Aug) | 10ft (3.0m) 12s |
| Most Powerful | 2PM (Thu 20th Aug) | 10ft (3.0m) 13s |
Table - best surf conditions forecast for Treskostraal over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 16°C on Thu afternoon, min 12°C on Wed morning). Winds decreasing (fresh winds from the S on Wed afternoon, light winds from the SSW by Fri night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Mon afternoon, min 13°C on Sat morning). Winds increasing (calm on Sat morning, fresh winds from the S by Mon afternoon). | ||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||
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 | SW 12 | SW 13 | SW 13 | SW 12 | SW 11 | SW 11 | WSW 11 | SSW 10 | SSW 12 | SW 14 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | SW 14 | SW 14 | SW 13 | WSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2185 | 1934 | 1470 | 2760 | 2783 | 1765 | 1234 | 743 | 396 | 255 | 383 | 2822 | 1929 | 1302 | 1062 | 807 | 469 | 387 | 1270 | 1308 | 914 |
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 | cross | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 7:33PM1.19m | 8:12AM1.03m | 8:37PM1.07m | 9:52AM0.96m | 10:27PM1.02m | 11:51AM1.00m | 00:05AM1.07m | 12:56PM1.11m | 1:01AM1.17m | 1:35PM1.23m | 1:40AM1.28m | 2:07PM1.36m | 2:13AM1.38m | ||||||||
Low Tide | 1:09PM0.53m | 1:57AM0.56m | 2:01PM0.65m | 3:22AM0.64m | 4:00PM0.73m | 5:34AM0.63m | 6:10PM0.67m | 6:46AM0.54m | 7:08PM0.57m | 7:27AM0.43m | 7:46PM0.46m | 7:59AM0.32m | 8:18PM0.35m | ||||||||
 | |  | | | | | |  | | | | | | | | | | | | | |
 | 7:22 | — | — | 7:20 | — | — | 7:18 | — | — | 7:18 | — | — | 7:16 | — | — | 7:16 | — | — | 7:15 | — | — |
 | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:23 | — | — | 6:24 | — | — | 6:24 | — | — | 6:25 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 14 | 15 | 16 | 14 | 16 | 15 | 13 | 14 | 15 | 16 | 14 | 17 | 15 | 17 | 18 | 15 | 21 | 25 | 26 |
Feels °C | 8 | 8 | 8 | 12 | 11 | 9 | 13 | 10 | 9 | 12 | 13 | 15 | 11 | 12 | 9 | 12 | 12 | 9 | 18 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 12 | SW 11 | SW 11 | SSW 10 | SSW 10 | SSW 12 | SW 14 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 14 | SW 13 | WSW 13 |
| kJ | 2185 | 1934 | 1470 | 2760 | 2783 | 1765 | 1234 | 743 | 396 | 255 | 383 | 2822 | 1929 | 1302 | 1062 | 807 | 469 | 249 | 1270 | 1308 | 914 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | WSW 11 | WSW 11 | WSW 10 | — | SSW 12 | — | SW 14 | SSW 14 | SSW 14 | SW 14 | SSW 7 | SW 19 | S 8 |
| kJ | — | — | — | — | — | — | — | — | 366 | 238 | 138 | — | 129 | — | 33 | 73 | 133 | 387 | 197 | 131 | 235 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SSW 14 | WSW 17 | — | — | — | — | — | SSW 14 | SSW 10 | W 11 | S 11 | SW 16 |
| kJ | — | — | — | — | — | — | — | — | — | 75 | 28 | — | — | — | — | — | 175 | 182 | 114 | 22 | 574 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | S 5 | S 7 | S 7 | — | — | — | — | — | SSW 11 | S 6 | S 6 | SSW 6 | S 7 | — | S 7 | — |
| kJ | — | — | — | — | — | 80 | 159 | 117 | — | — | — | — | — | 431 | 75 | 96 | 217 | 356 | — | 171 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 122 | 128 | 11 | 14 | 153 | 11 | 0 | 15 | 11 | 126 | 12 | 0 | 0 | 116 | 11 | 11 | 149 | 11 | 0 | 12 | 0 |
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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