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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 am Thursday 30 Apr 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
18.4° C
(Which is slightly warmer than usual)How big are the waves at Arniston today?
The current surf forecast for Arniston at 9AM is: 1.6m 12s primary swell from a South-southeast direction and 1.0m 14s secondary swell from a South-southwest direction (forecast issued at 01:00am April 30). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 5ft (1.6m) | 12s |
| Afternoon (30 Apr) | 7ft (2.1m) | 17s |
| Evening (30 Apr) | 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 ForecastMostly dry. Warm (max 24°C on Sat afternoon, min 13°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | WSW 12 | SSW 12 | SW 12 | SW 11 | SW 11 | S 11 | S 11 | W 10 | W 10 | S 11 | |
1030 | 919 | 774 | 605 | 2018 | 2746 | 2700 | 2144 | 1775 | 1465 | 1274 | 1255 | 1180 | 986 | 4043 | 889 | 537 | 350 | 357 | 248 | 244 | 1887 | 1375 | 191 | |
Wind (km/h) | ||||||||||||||||||||||||
on | glassy | on | cross-on | cross-on | cross | cross-off | off | off | off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | glassy | |
High Tide | 2:17AM1.84m | 2:41PM1.72m | 2:47AM1.86m | 3:10PM1.74m | 3:16AM1.84m | 3:39PM1.73m | ||||||||||||||||||
Low Tide | 8:39AM0.16m | 8:42PM0.28m | 9:05AM0.14m | 9:10PM0.28m | 9:32AM0.16m | 9:38PM0.30m | ||||||||||||||||||
 | |  | | | | | | | |  |  | | |  | | |  | | | | | | | |
 | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 14 | 15 | 16 | 17 | 16 | 16 | 15 | 14 | 13 | 13 | 16 | 20 | 20 | 18 | 17 | 16 | 16 | 16 | 19 | 24 | 23 | 21 | 19 |
13 | 13 | 14 | 15 | 16 | 13 | 13 | 12 | 11 | 9 | 9 | 12 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 16 | 21 | 20 | 19 | 20 | |
Swell 1 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSW 17 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 11 | SW 11 | S 11 | S 11 | WSW 11 | S 11 | S 11 |
 kJ | 1030 | 919 | 774 | 605 | 2018 | 2746 | 2700 | 2144 | 1775 | 1465 | 1274 | 1255 | 1180 | 986 | 1062 | 889 | 537 | 350 | 357 | 248 | 244 | 242 | 189 | 191 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSE 12 | SSE 12 | SSE 11 | SE 11 | SSE 11 | SE 11 | SSE 11 | SE 10 | SE 10 | SSE 10 | SSE 10 | E 10 | S 12 | S 12 | S 11 | SW 11 | WSW 11 | S 11 | WSW 11 | WSW 11 |
| kJ | 282 | 312 | 316 | 433 | 475 | 280 | 219 | 123 | 79 | 57 | 44 | 26 | 16 | 10 | 9 | 2 | 285 | 262 | 205 | 237 | 207 | 240 | 149 | 143 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | S 19 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 10 | SSE 15 | S 15 | S 15 | SSE 14 | SSE 14 | SSE 15 | SSE 14 | SSE 14 |
| kJ | 8 | 8 | 8 | 182 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 2 | 2 | 4 | 73 | 109 | 109 | 70 | 70 | 42 | 41 | 63 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | WNW 3 | — | W 3 | W 3 | WSW 12 | WNW 3 | NW 3 | NW 3 | NW 3 | NW 3 | WNW 3 | W 10 | W 10 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 3 | — | 4 | 8 | 4043 | 6 | 2 | 3 | 3 | 1 | 1 | 1887 | 1375 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 76 | 0 | 65 | 81 | 65 | 135 | 65 | 65 | 65 | 0 | 103 | 0 | 0 | 105 | 105 | 0 | 105 | 105 | 105 | 105 | 0 | 105 | 93 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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