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Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 am Friday 28 Nov 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
20.5° C
(Which is 1.7°C warmer than normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 12PM is: 2.4m 9s primary swell from a East-southeast direction and 0.4m 8s secondary swell from a South-southwest direction (forecast issued at 07:00am November 28). The wind direction is predicted to be cross-shore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Nov) | 10ft (3.0m) | 9s |
| Afternoon (28 Nov) | 7ft (2.1m) | 9s |
| Evening (28 Nov) | 6ft (1.8m) | 8s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 28 | Saturday 29 | Sunday 30 | Mon 01 | |||||||||||||||||||||
| 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 | 11 PM | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 7 | 15 | 14 | 13 | 13 | 12 | 14 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1103 | 1265 | 907 | 777 | 524 | 493 | 390 | 343 | 330 | 262 | 281 | 232 | 186 | 204 | 270 | 508 | 1127 | 1359 | 1376 | 1803 | 1748 | 1570 | 1384 | 1144 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- on | glass | cross- on | on | on | on | on | on | on |
High Tide / height (m) | 8:47AM 1.43 | 9:20PM 1.27 | 10:04AM 1.50 | 10:46PM 1.34 | 11:10AM 1.62 | 11:53PM 1.46 | ||||||||||||||||||
Low Tide / height (m) | 3:16PM 0.66 | 3:24AM 0.60 | 4:37PM 0.55 | 4:41AM 0.55 | 5:42PM 0.40 | |||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Mon 01 | |||||||||||||||||||||
| Sunrise | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 7:34 | - | - | - | - | - | - | - | 7:35 | - | - | - | - | - | - | - | 7:35 | - | - | - |
 |  |  | | | | |  | | | | | |  | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 19 | 20 | 22 | 23 | 21 | 20 | 21 | 20 | 20 | 20 | 21 | 21 | 20 | 19 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 19 |
| Feels °C (?) | 16 | 20 | 23 | 18 | 17 | 20 | 20 | 19 | 18 | 17 | 18 | 17 | 15 | 16 | 17 | 18 | 19 | 18 | 16 | 17 | 17 | 16 | 18 | 18 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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