Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 pm Saturday 27 Dec 2025 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
20.7° C
(Which is slightly warmer than usual)How big are the waves at Arniston today?
The current surf forecast for Arniston at 1AM is: 0.6m 10s primary swell from a Southwest direction and 0.5m 9s secondary swell from a East direction, 0.8m 5s secondary swell from a East-southeast direction (forecast issued at 07:00pm December 27). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Dec) | 1.5ft (0.5m) | 10s |
| Afternoon (28 Dec) | 3.5ft (1.0m) | 9s |
| Evening (28 Dec) | 4.5ft (1.4m) | 5s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||||||||||
| 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) (?) | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 90 | 89 | 85 | 68 | 49 | 49 | 48 | 171 | 67 | 106 | 123 | 127 | 156 | 245 | 269 | 360 | 453 | 427 | 451 | 579 | 708 | 876 | 560 | 483 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | on | on | on | on | on | on | on | on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | on | cross- on | on |
High Tide / height (m) | 8:21PM 1.33 | 8:58AM 1.56 | 9:47PM 1.30 | 10:17AM 1.56 | 11:16PM 1.34 | 11:35AM 1.61 | ||||||||||||||||||
Low Tide / height (m) | 2:19PM 0.53 | 2:20AM 0.54 | 3:36PM 0.53 | 3:39AM 0.60 | 4:59PM 0.48 | 5:07AM 0.59 | ||||||||||||||||||
Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - |
| Sunset | 7:53 | - | - | - | - | - | - | - | 7:53 | - | - | - | - | - | - | - | 7:53 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | |  |  | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 20 | 20 | 19 | 19 | 20 | 20 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 |
| Feels °C (?) | 16 | 17 | 18 | 17 | 17 | 18 | 17 | 18 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 20 | 21 | 21 | 21 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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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