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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm Sunday 07 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
20.3° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 3PM is: 1.4m 12s primary swell from a South-southwest direction and 0.3m 9s secondary swell from a South-southeast direction (forecast issued at 01:00pm December 07). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Dec) | 4.5ft (1.3m) | 12s |
| Afternoon (07 Dec) | 4.5ft (1.4m) | 12s |
| Evening (07 Dec) | 4.5ft (1.4m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 525 | 566 | 517 | 522 | 477 | 248 | 209 | 353 | 353 | 405 | 500 | 569 | 500 | 527 | 518 | 492 | 475 | 642 | 716 | 384 | 784 | 390 | 341 | 330 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | on | on | on | on | cross- on | cross- on | cross | cross | cross- off | off | off | off | cross- off | cross- on | cross- on | cross- on | on | on | on | on | cross- on |
High Tide / height (m) | 4:52PM 1.80 | 5:25AM 1.78 | 5:39PM 1.66 | 6:14AM 1.68 | 6:29PM 1.50 | 7:08AM 1.58 | ||||||||||||||||||
Low Tide / height (m) | 10:48AM 0.23 | 11:10PM 0.15 | 11:38AM 0.33 | 11:55PM 0.28 | 12:32PM 0.45 | 12:43AM 0.41 | ||||||||||||||||||
Sunday 07 | Monday 08 | Tuesday 09 | Wednesday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 |
| Sunset | - | - | 7:42 | - | - | - | - | - | - | - | 7:42 | - | - | - | - | - | - | - | 7:43 | - | - | - | - | - |
 |  | |  |  | | | | | | | | | | |  |  | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - |
| Temp. °C | 19 | 20 | 20 | 19 | 19 | 18 | 18 | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 20 | 19 | 19 | 18 | 18 | 19 | 18 | 18 | 19 |
| Feels °C (?) | 15 | 17 | 16 | 17 | 18 | 18 | 18 | 19 | 19 | 17 | 16 | 19 | 19 | 18 | 18 | 18 | 16 | 15 | 13 | 13 | 14 | 13 | 12 | 13 |
- 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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