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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 am 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 11AM is: 1.3m 11s primary swell from a Southwest direction and 0.9m 11s secondary swell from a South direction (forecast issued at 07:00am May 02). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| 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) | 5ft (1.6m) | 11s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Sun night. Warm (max 21°C on Sat afternoon, min 14°C on Mon night). Winds increasing (calm on Sat night, strong winds from the W by Mon morning). | ||||||||||||||||||||||||
Saturday 2 | Sunday 3 | Monday 4 | Tue 5 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 11 | SW 12 | SW 11 | WSW 11 | W 10 | WSW 11 | WSW 10 | S 11 | S 11 | S 10 | SW 15 | SW 15 | SW 14 | WSW 14 | SW 14 | WSW 10 | S 13 | WSW 10 | WSW 10 | SW 9 | SW 9 | SW 13 | SW 10 | SSW 11 | |
396 | 528 | 411 | 2655 | 2074 | 584 | 1153 | 238 | 223 | 214 | 149 | 176 | 206 | 2566 | 164 | 940 | 219 | 235 | 290 | 247 | 202 | 363 | 441 | 205 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | off | cross-off | off | off | glassy | cross | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 3:39PM1.73m | 3:45AM1.79m | 4:09PM1.69m | 4:14AM1.72m | 4:39PM1.62m | |||||||||||||||||||
Low Tide | 9:32AM0.16m | 9:38PM0.30m | 9:59AM0.20m | 10:07PM0.35m | 10:27AM0.27m | 10:36PM0.42m | ||||||||||||||||||
 |  | | |  |  | |  | |  | | | | | | |  |  | | | | |  | | |
 | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | 7:16 |
 | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — | 5:52 |
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | — | — | — | — | 1 | 2 | |
Temp °C | 17 | 17 | 20 | 21 | 20 | 20 | 18 | 17 | 17 | 17 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 16 | 15 | 15 | 15 |
13 | 13 | 16 | 17 | 17 | 17 | 17 | 16 | 15 | 15 | 19 | 18 | 17 | 19 | 17 | 17 | 11 | 10 | 9 | 10 | 10 | 9 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 12 | SW 11 | WSW 11 | SW 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | SW 10 | S 10 | SW 14 | SW 10 | SW 14 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | SW 12 | SSW 11 |
 kJ | 396 | 528 | 411 | 317 | 268 | 235 | 242 | 238 | 223 | 214 | 133 | 127 | 127 | 341 | 92 | 390 | 219 | 202 | 193 | 187 | 184 | 180 | 277 | 205 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | S 12 | S 11 | S 11 | S 11 | WSW 11 | SW 11 | WSW 10 | WSW 10 | WSW 10 | SW 10 | S 10 | SW 14 | S 10 | SW 14 | S 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SE 12 | S 11 | SW 12 |
| kJ | 210 | 132 | 202 | 244 | 240 | 204 | 115 | 94 | 69 | 73 | 120 | 128 | 206 | 96 | 164 | 125 | 130 | 83 | 44 | 60 | 83 | 6 | 166 | 144 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 15 | SSE 14 | SSE 14 | SSE 15 | SSE 14 | SSE 14 | SW 17 | SW 16 | SW 16 | SW 15 | SW 15 | SW 10 | S 14 | S 14 | S 10 | SSE 10 | SSE 10 | E 9 | SSE 13 | SE 12 | E 10 | SE 12 | SSE 12 |
| kJ | 134 | 109 | 70 | 70 | 42 | 68 | 63 | 74 | 94 | 91 | 149 | 176 | 46 | 97 | 131 | 49 | 9 | 10 | 2 | 16 | 6 | 2 | 6 | 14 |
Wind waves Height (m) Direction Period (s) | NW 3 | NW 3 | NW 3 | WSW 11 | W 10 | WSW 11 | WSW 10 | — | — | — | ENE 3 | — | — | WSW 14 | — | WSW 10 | WSW 9 | WSW 10 | WSW 10 | SW 9 | SW 9 | SW 13 | SW 10 | — |
| kJ | 3 | 4 | 4 | 2655 | 2074 | 584 | 1153 | — | — | — | 2 | — | — | 2566 | — | 940 | 212 | 235 | 290 | 247 | 202 | 363 | 441 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 105 | 105 | 105 | 105 | 120 | 0 | 76 | 0 | 76 | 76 | 0 | 19 | 174 | 103 | 0 | 105 | 149 | 175 | 168 | 168 | 168 | 103 | 103 | 103 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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