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Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 pm Wednesday 03 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
20.6° 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 10PM is: 1.0m 9s primary swell from a South direction and 0.4m 10s secondary swell from a Southwest direction, 1.3m 5s secondary swell from a East-southeast direction (forecast issued at 07:00pm December 03). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Dec) | - | - |
| Afternoon (03 Dec) | 3.5ft (1.0m) | 9s |
| Evening (03 Dec) | 3ft (0.9m) | 9s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 03 | Thursday 04 | Friday 05 | Saturday 06 | |||||||||||||||||||||
| 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) (?) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 126 | 102 | 150 | 185 | 189 | 189 | 189 | 194 | 160 | 160 | 127 | 127 | 212 | 192 | 157 | 154 | 133 | 235 | 235 | 169 | 207 | 176 | 192 | 192 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 2:23AM 1.82 | 2:34PM 2.00 | 3:08AM 1.87 | 3:20PM 1.99 | 3:53AM 1.88 | |||||||||||||||||||
Low Tide / height (m) | 8:12PM 0.02 | 8:24AM 0.18 | 8:57PM -0.02 | 9:12AM 0.14 | 9:42PM -0.01 | 10:00AM 0.16 | ||||||||||||||||||
Wednesday 03 | Thursday 04 | Friday 05 | Saturday 06 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - |
| Sunset | 7:37 | - | - | - | - | - | - | - | 7:38 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - |
 |  | | | | | | | | | | | |  | |  | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 17 | 17 | 17 | 17 | 18 | 20 | 20 | 20 | 19 | 19 | 19 | 18 | 19 | 20 | 20 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 19 |
| Feels °C (?) | 12 | 11 | 12 | 12 | 11 | 12 | 16 | 16 | 17 | 18 | 19 | 19 | 18 | 19 | 19 | 18 | 15 | 16 | 16 | 17 | 16 | 17 | 16 | 15 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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