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Treskostraal Surf Forecast
/ West Coast (19 surf breaks) /
Surf Forecasts:
Treskostraal surfForecast / West Coast / South Africa
16 Day Weather and Surf, issued 7 am Wednesday 20 May 2026 SASTForecast update in hr min s Forecast update imminent
Treskostraal surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Treskostraal sea temperature is
15.1° C
(Which is 1.8°C colder than average for this time of year)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 (May 20) at 11PM. The primary swell is predicted to be 0.6m and 11s period with a secondary swell of 0.8m and 8s. 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 2.5m 14s and forecast to arrive on Monday (May 25) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Saturday (May 23) at 5PM.
| Wave Type | Time (SAST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Wed 20th May) | 2ft (0.6m) 11s |
| Best Surf | 11AM (Wed 27th May) | 10ft (3.0m) 12s |
| Most Powerful | 8AM (Mon 25th May) | 8ft (2.5m) 14s |
Table - best surf conditions forecast for Treskostraal over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Wed afternoon, min 15°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 19°C on Sat night, min 15°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | Tuesday 26 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
WSW 12 | SW 12 | WSW 11 | SW 13 | SW 20 | SW 18 | SW 17 | SW 16 | SW 15 | SW 13 | SW 13 | SW 14 | SW 13 | SW 16 | SW 14 | SW 14 | WSW 13 | WSW 14 | WSW 13 | WSW 12 | WSW 12 | |
222 | 142 | 79 | 109 | 118 | 263 | 338 | 502 | 685 | 642 | 669 | 1238 | 347 | 1552 | 2125 | 2130 | 2116 | 2368 | 1622 | 1098 | 878 | |
Wind (km/h) | |||||||||||||||||||||
glassy | cross-on | glassy | cross-on | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross | on | on | glassy | |
High Tide | 6:12PM1.44m | 6:34AM1.34m | 7:14PM1.37m | 7:42AM1.22m | 8:24PM1.31m | 9:01AM1.14m | 9:38PM1.30m | 10:21AM1.13m | 10:47PM1.31m | 11:30AM1.16m | 11:43PM1.34m | 12:24PM1.21m | 00:30AM1.37m | ||||||||
Low Tide | 11:52AM0.19m | 00:25AM0.32m | 12:48PM0.31m | 1:34AM0.41m | 1:53PM0.41m | 2:55AM0.46m | 3:08PM0.48m | 4:18AM0.46m | 4:24PM0.50m | 5:27AM0.41m | 5:30PM0.49m | 6:20AM0.36m | 6:24PM0.46m | ||||||||
 |  |  | | | | | | | | | | | | | | | | | |  | |
 | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:37 | — | — | 7:37 | — | — |
 | — | 5:54 | — | — | 5:53 | — | — | 5:53 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 18 | 18 | 17 | 17 | 16 | 16 | 18 | 16 | 16 | 18 | 19 | 18 | 19 | 18 | 18 | 19 | 17 | 16 | 17 | 17 |
16 | 17 | 16 | 17 | 16 | 16 | 16 | 16 | 13 | 13 | 15 | 16 | 16 | 16 | 15 | 17 | 18 | 15 | 16 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 7 | SW 12 | SW 12 | SW 17 | SW 16 | SW 15 | SW 13 | SW 13 | SW 14 | SW 10 | SW 16 | SW 14 | SW 14 | WSW 13 | WSW 14 | WSW 13 | WSW 12 | WSW 12 |
 kJ | 171 | 97 | 61 | 49 | 118 | 137 | 338 | 502 | 685 | 642 | 669 | 1238 | 308 | 1552 | 2125 | 2130 | 2116 | 2368 | 1622 | 1098 | 878 |
Swell 2 Height (m) Direction Period (s) | WSW 12 | SW 12 | WSW 11 | SW 13 | S 7 | SSW 7 | SSW 6 | WSW 11 | S 7 | SW 16 | W 11 | W 11 | SW 13 | S 12 | SE 11 | SE 11 | SE 10 | — | — | S 6 | — |
| kJ | 222 | 142 | 79 | 109 | 35 | 36 | 42 | 99 | 89 | 295 | 2 | 2 | 347 | 3 | 5 | 4 | 4 | — | — | 3 | — |
Swell 3 Height (m) Direction Period (s) | SW 17 | SSE 11 | SW 14 | WSW 11 | SW 20 | SW 18 | SW 11 | — | — | — | — | W 11 | SW 17 | — | — | — | — | — | — | — | — |
| kJ | 11 | 38 | 73 | 46 | 99 | 263 | 119 | — | — | — | — | 2 | 281 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | S 7 | — | S 6 | S 4 | S 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 92 | — | 49 | 15 | 11 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 11 | 0 | 144 | 15 | 0 | 0 | 12 | 0 | 0 | 12 | 0 | 11 | 12 | 11 | 0 | 12 | 11 | 15 | 15 | 0 |
Best forecast wave conditions in West Coast | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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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