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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm Monday 27 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
18.7° C
(Which is slightly warmer than usual)How big are the waves at Arniston today?
The current surf forecast for Arniston at 7PM is: 3.0m 10s primary swell from a South-southwest direction and 2.5m 10s secondary swell from a South direction, 0.4m 10s secondary swell from a East-southeast direction (forecast issued at 01:00pm April 27). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 11ft (3.5m) | 11s |
| Afternoon (27 Apr) | 8ft (2.5m) | 10s |
| Evening (27 Apr) | 10ft (3.0m) | 10s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Very mild (max 16°C on Tue afternoon, min 14°C on Mon afternoon). Winds decreasing (fresh winds from the WSW on Mon afternoon, calm by Thu morning). | ||||||||||||||||||||||||
Mon 27 | Tuesday 28 | Wednesday 29 | Thu 30 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 11 | S 10 | WSW 12 | SSW 10 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 12 | S 12 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | |
1456 | 1333 | 1359 | 1764 | 1379 | 1492 | 1498 | 1527 | 1596 | 1832 | 2171 | 2059 | 2089 | 2124 | 2277 | 2767 | 2528 | 2339 | 2021 | 1815 | 1474 | 1201 | 1047 | 880 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross | cross | cross | glassy | cross-off | cross | cross | cross-on | on | on | on | on | cross-on | on | glassy | |
High Tide | 1:02PM1.51m | 1:14AM1.73m | 1:39PM1.60m | 1:47AM1.80m | 2:11PM1.67m | 2:17AM1.84m | ||||||||||||||||||
Low Tide | 7:06PM0.41m | 7:40AM0.28m | 7:42PM0.35m | 8:11AM0.21m | 8:13PM0.30m | |||||||||||||||||||
 |  | |  |  | |  | | |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — | — | — | 7:13 | — |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:59 | — | — | — | — | 5:58 |
— | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 14 | 15 | 14 | 15 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 14 |
7 | 8 | 7 | 8 | 9 | 9 | 10 | 11 | 11 | 12 | 13 | 14 | 14 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 14 | 14 | |
Swell 1 Height (m) Direction Period (s) | SSW 11 | S 10 | S 10 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 11 | S 12 | S 12 | SSE 12 | SSE 12 | SSE 12 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | SSE 12 | SSE 13 |
 kJ | 1456 | 1333 | 1359 | 1386 | 1379 | 1492 | 1498 | 1527 | 1596 | 1832 | 2171 | 2059 | 2089 | 2124 | 2277 | 2767 | 2528 | 2339 | 2021 | 1815 | 1474 | 1201 | 1047 | 880 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 11 | ESE 10 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | SSW 15 | E 10 | SW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 14 | SSW 14 |
| kJ | 31 | 38 | 35 | 34 | 31 | 17 | 17 | 17 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 21 | 8 | 51 | 108 | 64 | 142 | 273 | 312 | 312 |
Swell 3 Height (m) Direction Period (s) | — | SW 12 | SW 12 | — | — | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 10 | SW 16 | SSW 16 | S 20 | E 10 | SSW 14 | SSW 18 | E 10 | SSW 16 | SSW 16 | E 10 | E 10 | E 10 |
| kJ | — | 52 | 52 | — | — | 17 | 17 | 18 | 20 | 20 | 20 | 9 | 10 | 25 | 8 | 8 | 80 | 30 | 8 | 85 | 84 | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | SW 11 | SW 10 | WSW 12 | SSW 10 | SW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1067 | 788 | 1237 | 1764 | 250 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 306 | 304 | 168 | 168 | 139 | 139 | 81 | 81 | 93 | 135 | 81 | 81 | 76 | 76 | 76 | 76 | 81 | 81 | 186 | 81 | 81 | 76 | 81 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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