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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm Saturday 06 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
20.2° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 3PM is: 1.0m 10s primary swell from a South direction and 0.6m 8s secondary swell from a Southwest direction (forecast issued at 01:00pm December 06). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 3.5ft (1.0m) | 9s |
| Afternoon (06 Dec) | 3.5ft (1.0m) | 10s |
| Evening (06 Dec) | 3.5ft (1.0m) | 9s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 9 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 192 | 192 | 188 | 169 | 299 | 504 | 525 | 589 | 525 | 566 | 517 | 522 | 477 | 209 | 209 | 353 | 353 | 405 | 500 | 500 | 491 | 421 | 407 | 418 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | on | on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | off | off | cross- off |
High Tide / height (m) | 4:06PM 1.92 | 4:38AM 1.85 | 4:52PM 1.80 | 5:25AM 1.78 | 5:39PM 1.66 | 6:14AM 1.68 | ||||||||||||||||||
Low Tide / height (m) | 10:00AM 0.16 | 10:26PM 0.05 | 10:48AM 0.23 | 11:10PM 0.15 | 11:38AM 0.33 | 11:55PM 0.28 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 |
| Sunset | - | - | 7:40 | - | - | - | - | - | - | - | 7:42 | - | - | - | - | - | - | - | 7:42 | - | - | - | - | - |
 | | |  |  |  | | | | | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 20 | 20 | 19 | 19 | 19 | 18 | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 20 |
| Feels °C (?) | 17 | 15 | 16 | 17 | 17 | 17 | 16 | 15 | 15 | 17 | 16 | 17 | 18 | 19 | 18 | 19 | 19 | 18 | 17 | 20 | 19 | 19 | 18 | 19 |
- 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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