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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 pm Wednesday 15 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 2.1°C warmer than normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 2AM is: 2.1m 16s primary swell from a Southwest direction and 0.3m 8s secondary swell from a East direction (forecast issued at 07:00pm April 15). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Apr) | 6ft (1.9m) | 15s |
| Afternoon (16 Apr) | 5.5ft (1.7m) | 14s |
| Evening (16 Apr) | 5ft (1.5m) | 14s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||||||||
| 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 | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 3498 | 2866 | 2444 | 2093 | 2014 | 1619 | 1340 | 1126 | 1002 | 908 | 721 | 649 | 555 | 513 | 480 | 448 | 687 | 461 | 325 | 418 | 366 | 517 | 502 | 404 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | glass | cross- off | cross- on | on | cross- on | cross- off | cross- off | off | off | cross- off | off | cross | cross | off | off | off | cross- off | cross- off | off | off |
High Tide / height (m) | ||||||||||||||||||||||||
Low Tide / height (m) | ||||||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:01 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - |
| Sunset | 6:15 | - | - | - | - | - | - | - | 6:14 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - |
 |  | | | | | | | | |  | |  |  | | |  |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | - | 5 | 3 | 1 | 1 | - |
| Temp. °C | 19 | 18 | 17 | 16 | 16 | 15 | 17 | 18 | 18 | 17 | 16 | 15 | 15 | 15 | 18 | 19 | 16 | 13 | 15 | 14 | 16 | 16 | 17 | 19 |
| Feels °C (?) | 13 | 14 | 15 | 14 | 15 | 13 | 15 | 16 | 16 | 15 | 14 | 12 | 12 | 12 | 16 | 16 | 9 | 9 | 9 | 9 | 10 | 11 | 12 | 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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