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Treskostraal Surf Forecast
/ West Coast (19 surf breaks) /
Surf Forecasts:
Treskostraal surfForecast / West Coast / South Africa
48hr Weather and Surf, issued 1 am Sunday 17 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
15.6° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Treskostraal today?
The current surf forecast for Treskostraal at 4AM is: 1.5m 13s primary swell from a West-southwest direction and 1.4m 12s secondary swell from a South direction (forecast issued at 01:00am May 17). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4.5ft (1.3m) | 13s |
| Afternoon (17 May) | 6ft (1.8m) | 11s |
| Evening (17 May) | 5ft (1.5m) | 13s |
Table - waves today at Treskostraal. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Tue night, min 15°C on Mon morning). Winds decreasing (fresh winds from the S on Sun night, calm by Tue afternoon). | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
WSW 13 | WSW 13 | WSW 13 | WSW 12 | S 11 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | S 9 | S 9 | S 10 | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | |
799 | 711 | 669 | 440 | 811 | 754 | 817 | 805 | 837 | 850 | 876 | 955 | 1042 | 971 | 809 | 1040 | 1374 | 1454 | 1645 | 1657 | 1621 | 1171 | 897 | 586 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-off | cross-off | cross-off | |
High Tide | 3:09AM1.71m | 3:42PM1.60m | 3:56AM1.67m | 4:29PM1.57m | 4:44AM1.59m | 5:18PM1.51m | ||||||||||||||||||
Low Tide | 9:30AM-0.04m | 9:46PM0.11m | 10:15AM0.00m | 10:34PM0.15m | 11:02AM0.09m | |||||||||||||||||||
 | |  | | | | |  | | |  |  | | |  | | | | | | | | | | |
 | — | 7:31 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 18 | 17 | 18 | 19 | 18 | 17 | 16 | 16 | 16 | 15 | 17 | 19 | 19 | 18 | 17 | 16 | 16 | 16 | 18 | 18 | 19 | 20 | 19 |
15 | 14 | 13 | 14 | 14 | 14 | 13 | 12 | 13 | 13 | 12 | 14 | 15 | 15 | 14 | 13 | 12 | 13 | 13 | 17 | 18 | 18 | 17 | 18 | |
Swell 1 Height (m) Direction Period (s) | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 14 | WSW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | S 10 | S 10 | S 10 | WSW 13 | S 9 | S 9 |
 kJ | 799 | 711 | 669 | 440 | 811 | 754 | 817 | 805 | 837 | 850 | 876 | 955 | 1042 | 971 | 756 | 734 | 596 | 615 | 1419 | 1317 | 1317 | 414 | 897 | 586 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 11 | — | — | — | — | W 12 | S 10 | S 10 | S 10 | — | — | — | — | — | — | WSW 13 | WSW 13 | WSW 13 | S 15 | WSW 13 | WSW 13 |
| kJ | 538 | 529 | 242 | 233 | — | — | — | — | 3 | 51 | 53 | 34 | — | — | — | — | — | — | 545 | 528 | 484 | 4 | 408 | 402 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 13 | W 13 | WSW 15 | — | — | — | — | — | W 12 | W 12 | — | — | — | — | — | — | — | — | — | S 16 | — | S 15 | S 14 |
| kJ | 3 | 3 | 3 | 249 | — | — | — | — | — | 3 | 3 | — | — | — | — | — | — | — | — | — | 5 | — | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | S 6 | S 6 | S 11 | S 6 | S 6 | S 7 | S 7 | S 7 | S 7 | S 7 | S 8 | S 8 | S 8 | S 9 | S 9 | S 10 | S 9 | S 9 | S 9 | S 9 | — | — |
| kJ | — | — | 69 | 98 | 757 | 282 | 300 | 389 | 413 | 371 | 298 | 352 | 368 | 410 | 809 | 1040 | 1374 | 1454 | 1645 | 1657 | 1621 | 1171 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 116 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 14 | 12 | 14 | 122 | 0 | 11 | 0 |
Best forecast wave conditions in West Coast | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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