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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm Saturday 02 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
18.2° C
(Which is slightly warmer than usual)How big are the waves at Arniston today?
The current surf forecast for Arniston at 8PM is: 2.5m 10s primary swell from a West-southwest direction and 1.0m 11s secondary swell from a South direction, 0.9m 11s secondary swell from a West-southwest direction (forecast issued at 01:00pm May 02). The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 May) | 4.5ft (1.3m) | 12s |
| Afternoon (02 May) | 11ft (3.5m) | 10s |
| Evening (02 May) | 8ft (2.5m) | 10s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Sun night. Warm (max 21°C on Sat afternoon, min 13°C on Mon night). Winds increasing (light winds from the N on Sat night, strong winds from the W by Mon morning). | ||||||||||||||||||||||||
Sat 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 11 | WSW 11 | W 10 | WSW 10 | S 11 | S 11 | S 11 | S 10 | SW 15 | SW 15 | SW 14 | WSW 10 | W 10 | WSW 14 | S 13 | SW 13 | WSW 13 | WSW 9 | WSW 10 | SW 13 | SW 10 | SW 12 | SW 12 | S 11 | |
411 | 2507 | 1947 | 1424 | 242 | 231 | 223 | 214 | 149 | 176 | 206 | 1248 | 1175 | 347 | 215 | 245 | 451 | 226 | 246 | 273 | 384 | 200 | 200 | 231 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross | cross-off | cross-on | cross | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | |
High Tide | 3:39PM1.73m | 3:45AM1.79m | 4:09PM1.69m | 4:14AM1.72m | 4:39PM1.62m | 4:44AM1.63m | ||||||||||||||||||
Low Tide | 9:32AM0.16m | 9:38PM0.30m | 9:59AM0.20m | 10:07PM0.35m | 10:27AM0.27m | 10:36PM0.42m | ||||||||||||||||||
 | |  |  |  |  | |  | | | | | | |  |  | | | | | | | | | |
 | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — |
 | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | 5:52 |
— | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | 1 | 2 | 2 | |
Temp °C | 20 | 21 | 19 | 19 | 18 | 18 | 17 | 17 | 20 | 21 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 16 | 15 | 15 | 14 | 13 | 13 |
15 | 17 | 17 | 18 | 17 | 17 | 15 | 15 | 19 | 20 | 17 | 18 | 17 | 17 | 12 | 11 | 10 | 10 | 9 | 9 | 11 | 11 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | WSW 11 | SW 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | WSW 10 | WSW 9 | WSW 14 | S 13 | SW 13 | S 12 | S 12 | S 12 | SW 13 | SW 12 | SW 12 | SW 12 | S 11 |
 kJ | 411 | 323 | 268 | 235 | 242 | 231 | 223 | 214 | 133 | 130 | 127 | 125 | 106 | 347 | 215 | 245 | 193 | 187 | 184 | 273 | 240 | 200 | 200 | 231 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | WSW 11 | SW 11 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | SW 14 | SW 14 | SW 14 | S 13 | SW 14 | S 13 | E 9 | SW 13 | SW 13 | S 12 | S 11 | S 11 | S 11 | SW 12 |
| kJ | 202 | 244 | 240 | 183 | 115 | 71 | 69 | 73 | 120 | 127 | 206 | 200 | 200 | 125 | 147 | 202 | 2 | 83 | 83 | 180 | 127 | 121 | 119 | 169 |
Swell 3 Height (m) Direction Period (s) | SSE 14 | SSE 14 | SSE 15 | SSE 14 | SSE 14 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 10 | S 10 | S 14 | S 10 | SSE 10 | SSE 10 | SSE 9 | SSE 13 | SE 12 | SE 12 | SE 12 | SSE 12 | SSE 11 | E 6 |
| kJ | 70 | 70 | 42 | 68 | 63 | 74 | 94 | 91 | 149 | 176 | 46 | 71 | 131 | 49 | 9 | 10 | 8 | 16 | 6 | 6 | 6 | 14 | 12 | 3 |
Wind waves Height (m) Direction Period (s) | NW 3 | WSW 11 | W 10 | WSW 10 | — | — | — | — | — | — | — | WSW 10 | W 10 | — | WSW 9 | WSW 4 | WSW 13 | WSW 9 | WSW 10 | W 4 | SW 10 | — | — | — |
| kJ | 3 | 2507 | 1947 | 1424 | — | — | — | — | — | — | — | 1248 | 1175 | — | 136 | 14 | 451 | 226 | 246 | 7 | 384 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 105 | 113 | 93 | 76 | 0 | 0 | 0 | 76 | 0 | 19 | 174 | 113 | 93 | 0 | 156 | 175 | 175 | 168 | 168 | 103 | 103 | 0 | 0 | 103 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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