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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm Saturday 23 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
17.2° C
(Which is normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 4PM is: 0.7m 13s primary swell from a Southwest direction and 0.6m 8s secondary swell from a Southwest direction (forecast issued at 01:00pm May 23). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 2.5ft (0.7m) | 14s |
| Afternoon (23 May) | 2.5ft (0.7m) | 13s |
| Evening (23 May) | 2.5ft (0.7m) | 14s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Sat afternoon, min 15°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 13 | SSW 13 | SW 13 | SSW 15 | SW 14 | SW 14 | SSW 14 | SW 14 | SW 13 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SSW 15 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | |
149 | 109 | 162 | 142 | 305 | 297 | 243 | 264 | 108 | 261 | 367 | 477 | 631 | 742 | 742 | 974 | 1255 | 1158 | 1002 | 457 | 392 | 411 | 380 | 398 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross | glassy | glassy | cross-off | cross-off | cross-off | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross | cross-off | off | off | off | off | |
High Tide | 8:52AM1.30m | 9:39PM1.48m | 10:20AM1.27m | 10:51PM1.51m | 11:32AM1.32m | 11:48PM1.56m | ||||||||||||||||||
Low Tide | 3:05PM0.59m | 4:21AM0.60m | 4:24PM0.61m | 5:33AM0.54m | 5:31PM0.60m | 6:26AM0.47m | ||||||||||||||||||
 | | |  | | | | | | | |  |  | | | |  | | | | | | | | |
 | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:33 | — |
 | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | 5:37 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 18 | 18 | 17 | 16 | 16 | 15 | 15 |
15 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 18 | 18 | 17 | 17 | 15 | 15 | 15 | 15 | 17 | 18 | 17 | 15 | 14 | 14 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SW 13 | SSW 15 | SW 14 | SW 14 | SSW 14 | SW 14 | SW 13 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | SW 14 | SSW 15 | SSW 15 | SSW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
 kJ | 149 | 109 | 162 | 142 | 305 | 297 | 243 | 264 | 108 | 261 | 367 | 477 | 631 | 742 | 742 | 974 | 1255 | 1158 | 1002 | 457 | 392 | 411 | 380 | 398 |
Swell 2 Height (m) Direction Period (s) | SW 9 | SW 8 | SW 8 | SW 8 | E 11 | E 11 | ESE 11 | ESE 11 | SSW 16 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SE 10 | SE 10 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSE 10 |
| kJ | 38 | 45 | 41 | 41 | 64 | 62 | 40 | 39 | 105 | 54 | 49 | 47 | 47 | 47 | 46 | 45 | 44 | 27 | 25 | 253 | 195 | 70 | 48 | 9 |
Swell 3 Height (m) Direction Period (s) | E 8 | SSW 16 | E 8 | SW 12 | SE 13 | SE 12 | SW 18 | SE 12 | ESE 11 | ESE 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SE 10 | SE 10 | SE 10 | SSE 10 | E 10 |
| kJ | 19 | 94 | 19 | 67 | 42 | 40 | 79 | 37 | 39 | 39 | 36 | 36 | 20 | 19 | 33 | 18 | 18 | 17 | 17 | 25 | 25 | 25 | 9 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 3 | WSW 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 28 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 76 | 81 | 81 | 76 | 76 | 76 | 0 | 0 | 103 | 103 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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