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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 pm Wednesday 27 May 2026 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
17.5° C
(Which is normal for this time of year)How big are the waves at Arniston today (28 May):
- Morning surf: Morning surf (28 May, local time) - 8ft (2.5m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 8ft (2.5m), 16s period with SSW swell.
- Evening surf: Evening surf (28 May, local time) - 8ft (2.4m), 15s period with SSW swell.
The current surf forecast for Arniston at 2AM is: 2.0m 16s primary swell from a Southwest direction and 0.2m 11s secondary swell from a East-southeast direction (forecast issued at 07:00pm May 27). The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 8ft (2.5m) | 16s |
| Afternoon (28 May) | 8ft (2.5m) | 16s |
| Evening (28 May) | 8ft (2.4m) | 15s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Thu night. Very mild (max 19°C on Thu afternoon, min 15°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | |
2375 | 2267 | 1946 | 2033 | 2379 | 2986 | 2874 | 3035 | 3156 | 2685 | 2414 | 2090 | 2010 | 1752 | 1504 | 1265 | 1111 | 1048 | 863 | 756 | 606 | 578 | 473 | 365 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | glassy | glassy | glassy | on | |
High Tide | 1:13AM1.65m | 1:45PM1.54m | 1:48AM1.68m | 2:19PM1.59m | 2:22AM1.70m | |||||||||||||||||||
Low Tide | 7:08PM0.51m | 7:41AM0.34m | 7:45PM0.46m | 8:13AM0.29m | 8:19PM0.43m | 8:44AM0.26m | ||||||||||||||||||
 |  | | |  |  |  | | |  | | | | | | | |  | | | | | | | |
 | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — |
 | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | — | 5:37 | — | — | — | — | — | — | 5:36 |
— | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 18 | 17 | 16 | 16 | 16 | 15 | 17 | 19 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 18 |
15 | 14 | 13 | 14 | 14 | 13 | 15 | 15 | 13 | 16 | 15 | 16 | 15 | 15 | 15 | 14 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 17 | |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 |
 kJ | 2375 | 2267 | 1946 | 2033 | 2379 | 2986 | 2874 | 3035 | 3156 | 2685 | 2414 | 2090 | 2010 | 1752 | 1504 | 1265 | 1111 | 1048 | 863 | 756 | 606 | 578 | 473 | 365 |
Swell 2 Height (m) Direction Period (s) | ESE 12 | ESE 11 | ESE 11 | ESE 11 | — | — | — | — | — | — | — | — | — | SE 6 | SE 6 | SE 6 | ESE 6 | — | — | ESE 6 | ESE 6 | E 6 | E 6 | ESE 6 |
| kJ | 13 | 12 | 12 | 11 | — | — | — | — | — | — | — | — | — | 29 | 39 | 42 | 47 | — | — | 80 | 101 | 104 | 84 | 51 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | WSW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ESE 6 | ESE 6 | E 6 | — | — | — | — |
| kJ | — | 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 55 | 64 | 120 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 113 | 105 | 0 | 0 | 105 | 113 | 113 | 113 | 113 | 113 | 113 | 76 | 76 | 93 | 83 | 83 | 81 | 81 | 76 | 76 | 0 | 0 | 0 | 83 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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