- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 am Monday 25 May 2026 SASTForecast update in hr min s Forecast update imminent
Arniston surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Arniston sea temperature is
17.2° C
(Which is normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 5AM is: 1.4m 14s primary swell from a Southwest direction and 0.4m 11s secondary swell from a South-southeast direction (forecast issued at 01:00am May 25). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 4.5ft (1.4m) | 15s |
| Afternoon (25 May) | 5ft (1.5m) | 14s |
| Evening (25 May) | 3.5ft (1.1m) | 13s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 19°C on Mon afternoon, min 15°C on Mon morning). Wind will be generally light. | ||||||||||||||||||||||||
Monday 25 | Tuesday 26 | Wednesday 27 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 | SSW 18 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 | |
742 | 742 | 857 | 869 | 1031 | 822 | 457 | 392 | 411 | 369 | 352 | 341 | 330 | 335 | 286 | 667 | 434 | 577 | 541 | 1922 | 2369 | 2375 | 2293 | 1847 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross-on | cross-on | on | cross-off | off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | off | |
High Tide | 11:32AM1.32m | 11:48PM1.56m | 12:26PM1.39m | 00:34AM1.60m | 1:09PM1.47m | |||||||||||||||||||
Low Tide | 5:33AM0.54m | 5:31PM0.60m | 6:26AM0.47m | 6:24PM0.56m | 7:07AM0.39m | 7:08PM0.51m | ||||||||||||||||||
 |  |  | | | | | | | | | |  | | | | | | | | | |  | | |
 | — | 7:31 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 15 | 16 | 18 | 19 | 17 | 16 | 16 | 15 | 15 | 17 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 17 | 16 | 15 | 15 |
15 | 14 | 13 | 15 | 17 | 18 | 15 | 13 | 14 | 13 | 13 | 15 | 16 | 15 | 16 | 17 | 15 | 15 | 15 | 15 | 16 | 13 | 12 | 12 | |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 18 | SW 18 | SW 17 | SW 17 | SW 16 |
 kJ | 742 | 742 | 857 | 869 | 1031 | 822 | 457 | 392 | 411 | 369 | 352 | 341 | 330 | 335 | 286 | 667 | 434 | 577 | 437 | 1922 | 2369 | 2375 | 2293 | 1847 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SE 10 | SE 10 | SSW 14 | SSW 13 | SSW 13 | SE 10 | SSE 10 | SSE 10 | SSE 10 | SW 16 | SW 15 | E 9 | SSW 8 | E 7 | SSW 18 | E 7 | E 7 | E 7 | ESE 11 | ESE 11 |
| kJ | 47 | 46 | 45 | 44 | 27 | 26 | 261 | 151 | 60 | 15 | 9 | 9 | 9 | 125 | 232 | 7 | 37 | 8 | 541 | 8 | 8 | 4 | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 10 | SE 10 | SE 10 | E 10 | E 10 | E 10 | E 10 | SE 9 | SE 9 | SE 9 | E 7 | SE 13 | E 7 | SE 12 | SE 12 | SE 12 | — | — |
| kJ | 19 | 18 | 18 | 18 | 17 | 17 | 25 | 25 | 25 | 8 | 7 | 7 | 7 | 3 | 3 | 3 | 8 | 7 | 8 | 6 | 6 | 5 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | ENE 10 | — | — | — | — | — | W 2 | WSW 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 34 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 81 | 76 | 76 | 76 | 103 | 103 | 0 | 0 | 76 | 0 | 0 | 103 | 103 | 103 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 113 | 76 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
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 Arniston 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.
Nearest