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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 am Saturday 11 Apr 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
20.4° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 5AM is: 1.1m 14s primary swell from a Southwest direction and 0.4m 16s secondary swell from a South-southeast direction (forecast issued at 01:00am April 11). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Apr) | 3.5ft (1.0m) | 13s |
| Afternoon (11 Apr) | 3.5ft (1.0m) | 13s |
| Evening (11 Apr) | 3ft (0.9m) | 13s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 11 | Sunday 12 | Monday 13 | ||||||||||||||||||||||
| 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 | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 14 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 368 | 342 | 418 | 373 | 472 | 357 | 346 | 281 | 320 | 304 | 299 | 269 | 269 | 260 | 104 | 97 | 79 | 78 | 57 | 56 | 78 | 214 | 257 | 236 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | glass | on | cross- on | on | on | on | cross- on | cross | glass | cross | cross | cross | cross- on | glass | glass | glass | cross- on | cross- on | on | on | cross- on |
High Tide / height (m) | 10:33PM 1.16 | 10:58AM 1.17 | 11:52PM 1.32 | |||||||||||||||||||||
Low Tide / height (m) | 4:54AM 0.86 | 5:21PM 0.71 | ||||||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 7:00 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:21 | - | - | - | - | - | - | - | 6:19 | - | - | - | - | - | - | - | 6:17 | - |
 | |  |  | | | | | | |  |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 18 | 19 | 19 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 18 | 17 | 17 | 19 | 20 | 19 | 19 |
| Feels °C (?) | 18 | 18 | 18 | 21 | 19 | 20 | 18 | 18 | 18 | 19 | 18 | 19 | 19 | 19 | 19 | 20 | 21 | 19 | 18 | 18 | 18 | 18 | 17 | 18 |
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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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