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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 am Monday 04 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
18.1° C
(Which is normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 1PM is: 1.0m 13s primary swell from a West-southwest direction and 0.8m 12s secondary swell from a South direction, 0.2m 13s secondary swell from a South-southeast direction (forecast issued at 07:00am May 04). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 May) | 3.5ft (1.1m) | 13s |
| Afternoon (04 May) | 3.5ft (1.0m) | 13s |
| Evening (04 May) | 2.5ft (0.8m) | 13s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 21mm), heaviest during Mon morning. Very mild (max 17°C on Mon morning, min 13°C on Mon night). Winds increasing (calm on Tue morning, strong winds from the SE by Wed morning). | ||||||||||||||||||||||||
Monday 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 10 | WSW 13 | SW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | WSW 12 | SW 12 | SW 12 | SSW 11 | SSW 11 | S 11 | S 11 | S 11 | S 11 | SSE 11 | SSE 11 | SSE 11 | SE 11 | SE 11 | SE 11 | SE 12 | SE 12 | |
917 | 427 | 245 | 357 | 458 | 199 | 175 | 1247 | 169 | 169 | 164 | 563 | 1147 | 1565 | 1520 | 1405 | 1875 | 2310 | 4011 | 3814 | 3653 | 3807 | 3827 | 4607 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | glassy | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 4:39PM1.62m | 4:44AM1.63m | 5:11PM1.54m | 5:16AM1.53m | 5:47PM1.45m | |||||||||||||||||||
Low Tide | 10:27AM0.27m | 10:36PM0.42m | 10:56AM0.35m | 11:08PM0.51m | 11:29AM0.45m | 11:44PM0.61m | ||||||||||||||||||
 |  | |  |  |  | | | | |  | | |  |  | | | |  | | | |  | | |
 | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | 7:18 |
 | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | 5:51 |
— | 4 | 3 | 1 | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 4 | 1 | — | 1 | 1 | 1 | — | 1 | |
Temp °C | 17 | 16 | 17 | 17 | 17 | 16 | 15 | 14 | 13 | 13 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 17 | 17 | 17 | 16 | 16 | 16 | 16 |
16 | 11 | 12 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 14 | 13 | 13 | 13 | 13 | 13 | 10 | 9 | 10 | 10 | 9 | 10 | 10 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 13 | S 13 | S 12 | S 12 | S 12 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 11 | S 11 | S 11 | S 11 | S 11 | SSE 11 | SW 15 | SW 15 | SW 15 | SW 14 | SE 11 | SE 12 | SE 12 |
 kJ | 257 | 202 | 193 | 187 | 184 | 199 | 175 | 205 | 169 | 169 | 164 | 563 | 1147 | 1565 | 1520 | 1405 | 1400 | 107 | 104 | 134 | 130 | 3807 | 3827 | 4607 |
Swell 2 Height (m) Direction Period (s) | S 13 | SSE 10 | SW 13 | SSE 13 | SE 12 | S 12 | S 11 | S 11 | S 11 | S 11 | SW 12 | WSW 12 | WSW 11 | WSW 12 | WSW 12 | SW 16 | SW 16 | SW 12 | SW 12 | WSW 11 | WSW 11 | SW 14 | SW 13 | SW 13 |
| kJ | 219 | 10 | 245 | 16 | 6 | 139 | 127 | 121 | 121 | 86 | 144 | 57 | 51 | 53 | 54 | 66 | 65 | 35 | 35 | 70 | 88 | 91 | 62 | 61 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | — | SE 13 | E 9 | E 9 | SSE 12 | SSE 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSW 18 | SSW 18 | SW 16 | SW 12 | SW 12 | — | — | — | SW 20 | SW 11 | SW 18 | SW 18 |
| kJ | 9 | — | 7 | 2 | 2 | 14 | 14 | 14 | 13 | 12 | 12 | 12 | 31 | 30 | 66 | 36 | 36 | — | — | — | 15 | 30 | 13 | 12 |
Wind waves Height (m) Direction Period (s) | WSW 10 | WSW 13 | WSW 3 | WSW 13 | WSW 13 | WSW 4 | W 4 | WSW 12 | — | — | — | — | — | — | — | — | SSE 11 | SSE 11 | SSE 11 | SE 11 | SE 11 | — | — | — |
| kJ | 917 | 427 | 7 | 357 | 458 | 12 | 9 | 1247 | — | — | — | — | — | — | — | — | 1875 | 2310 | 4011 | 3814 | 3653 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 105 | 149 | 168 | 167 | 113 | 113 | 0 | 93 | 0 | 0 | 0 | 139 | 156 | 81 | 81 | 81 | 81 | 144 | 733 | 317 | 317 | 319 | 107 | 81 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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