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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm Wednesday 25 Mar 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
20.1° C
(Which is slightly warmer than usual)How big are the waves at Arniston today?
The current surf forecast for Arniston at 5PM is: 1.3m 9s primary swell from a East-southeast direction and 0.9m 11s secondary swell from a South-southwest direction (forecast issued at 01:00pm March 25). An open ocean swell of 1.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Mar) | 6.5ft (2.0m) | 9s |
| Afternoon (25 Mar) | 4.5ft (1.4m) | 9s |
| Evening (25 Mar) | 4ft (1.2m) | 9s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 11 | 8 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 521 | 391 | 283 | 243 | 199 | 158 | 247 | 270 | 286 | 286 | 292 | 338 | 286 | 204 | 168 | 175 | 211 | 193 | 113 | 98 | 69 | 629 | 103 | 184 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross | cross | cross- on | on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off |
High Tide / height (m) | 8:28PM 1.25 | 9:21AM 1.25 | 10:55PM 1.26 | 11:36AM 1.30 | 12:22AM 1.44 | |||||||||||||||||||
Low Tide / height (m) | 1:58PM 0.63 | 2:46AM 0.77 | 4:17PM 0.71 | 5:28AM 0.73 | 6:05PM 0.59 | 6:47AM 0.55 | ||||||||||||||||||
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:46 | - | - | - | - | - | - | - | 6:47 | - | - | - | - | - | - | - | 6:48 |
| Sunset | - | - | 6:44 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:40 | - | - | - | - | - |
 | |  |  | | | | | |  | | | |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 25 | 22 | 19 | 19 | 18 | 17 | 17 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 20 | 21 | 20 | 19 | 19 | 19 | 19 | 18 |
| Feels °C (?) | 19 | 18 | 15 | 14 | 16 | 17 | 16 | 17 | 20 | 19 | 19 | 19 | 19 | 17 | 18 | 19 | 19 | 17 | 16 | 17 | 17 | 17 | 16 | 13 |
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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.
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