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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 pm Friday 01 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 2AM is: 1.7m 12s primary swell from a South-southwest direction and 0.4m 15s secondary swell from a South-southeast direction (forecast issued at 07:00pm May 01). An open ocean swell of 0.4m 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) | 10ft (3.0m) | 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 ForecastLight rain (total 5mm), mostly falling on Sun night. Warm (max 21°C on Sat afternoon, min 15°C on Fri night). Winds increasing (calm on Sun night, strong winds from the WSW by Mon afternoon). | ||||||||||||||||||||||||
Fri 1 | Saturday 2 | Sunday 3 | Mon 4 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 11 | SW 12 | SW 11 | WSW 11 | W 10 | W 10 | WSW 10 | S 11 | S 11 | S 10 | S 10 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | WSW 13 | |
1132 | 997 | 936 | 850 | 308 | 486 | 331 | 2258 | 1924 | 1402 | 1175 | 227 | 223 | 214 | 206 | 212 | 206 | 341 | 341 | 288 | 412 | 222 | 421 | 421 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | cross-off | cross | cross-off | cross-off | cross | cross | glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | |
High Tide | 3:10PM1.74m | 3:16AM1.84m | 3:39PM1.73m | 3:45AM1.79m | 4:09PM1.69m | 4:14AM1.72m | ||||||||||||||||||
Low Tide | 9:10PM0.28m | 9:32AM0.16m | 9:38PM0.30m | 9:59AM0.20m | 10:07PM0.35m | 10:27AM0.27m | ||||||||||||||||||
 |  |  | |  |  | | |  | | | | |  | | | | | | |  | | | | |
 | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — |
 | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | 5:53 |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — | |
Temp °C | 19 | 18 | 16 | 15 | 15 | 16 | 20 | 21 | 21 | 19 | 18 | 18 | 17 | 17 | 20 | 21 | 19 | 18 | 18 | 18 | 16 | 17 | 17 | 18 |
14 | 13 | 12 | 11 | 10 | 12 | 16 | 18 | 17 | 16 | 16 | 17 | 15 | 15 | 19 | 20 | 18 | 19 | 17 | 17 | 11 | 10 | 10 | 10 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 11 | SW 12 | SW 11 | SW 11 | WSW 11 | S 11 | S 11 | S 11 | S 11 | S 10 | S 10 | S 10 | S 10 | SW 14 | SW 14 | SW 14 | S 13 | WSW 13 | S 12 | S 12 |
 kJ | 1132 | 997 | 936 | 850 | 308 | 486 | 331 | 278 | 247 | 235 | 235 | 227 | 223 | 214 | 206 | 164 | 127 | 341 | 341 | 288 | 215 | 222 | 190 | 187 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 10 | SE 10 | SSE 15 | SSW 12 | S 12 | S 11 | S 11 | S 11 | WSW 11 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | SW 15 | SW 15 | SW 14 | S 10 | S 14 | S 13 | SSE 10 | S 13 | SE 13 | SSE 12 |
| kJ | 10 | 9 | 4 | 72 | 210 | 169 | 198 | 244 | 240 | 204 | 101 | 76 | 69 | 69 | 147 | 212 | 206 | 96 | 129 | 125 | 10 | 202 | 7 | 15 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | S 12 | S 15 | SSE 14 | SSE 14 | SSE 15 | SSE 14 | SSE 14 | SW 17 | SW 16 | SW 16 | WSW 11 | SW 9 | S 14 | S 14 | S 10 | S 10 | E 4 | SSE 10 | E 10 | E 9 |
| kJ | 2 | 2 | 2 | 2 | 134 | 109 | 70 | 70 | 42 | 68 | 63 | 74 | 94 | 91 | 46 | 23 | 65 | 97 | 71 | 48 | 1 | 10 | 2 | 2 |
Wind waves Height (m) Direction Period (s) | W 3 | WNW 3 | WNW 3 | NW 3 | NW 3 | NW 3 | NW 3 | WSW 11 | W 10 | W 10 | WSW 10 | — | — | — | — | — | — | — | — | — | SW 13 | WSW 4 | WSW 13 | WSW 13 |
| kJ | 4 | 3 | 3 | 3 | 4 | 3 | 1 | 2258 | 1924 | 1402 | 1175 | — | — | — | — | — | — | — | — | — | 412 | 10 | 421 | 421 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 113 | 105 | 105 | 105 | 105 | 113 | 120 | 93 | 76 | 0 | 76 | 0 | 0 | 19 | 174 | 0 | 0 | 0 | 113 | 168 | 174 | 161 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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