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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 pm Friday 22 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
17.1° C
(Which is normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 11PM is: 0.7m 15s primary swell from a Southwest direction and 0.7m 6s secondary swell from a South direction (forecast issued at 07:00pm May 22). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | - | - |
| Afternoon (22 May) | 2ft (0.6m) | 16s |
| Evening (22 May) | 2.5ft (0.7m) | 16s |
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 19°C on Mon afternoon, min 16°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Mon 25 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | 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 | SW 14 | SSW 16 | SSW 15 | |
261 | 255 | 223 | 217 | 211 | 203 | 149 | 109 | 162 | 142 | 305 | 297 | 243 | 218 | 105 | 306 | 367 | 551 | 623 | 742 | 731 | 846 | 1536 | 1507 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | off | off | off | cross-off | cross | glassy | cross | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | glassy | |
High Tide | 8:20PM1.50m | 8:52AM1.30m | 9:39PM1.48m | 10:20AM1.27m | 10:51PM1.51m | 11:32AM1.32m | ||||||||||||||||||
Low Tide | 2:54AM0.61m | 3:05PM0.59m | 4:21AM0.60m | 4:24PM0.61m | 5:33AM0.54m | |||||||||||||||||||
 |  | | | |  | |  | | | | | | | | | |  |  | | | | | | |
 | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — |
 | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — | — | — | — | — | 5:38 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 18 | 17 | 17 | 16 | 16 | 16 | 16 | 17 | 19 |
14 | 14 | 15 | 14 | 14 | 14 | 17 | 16 | 17 | 18 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 15 | 14 | 14 | 15 | 17 | 19 | |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SSW 6 | S 6 | SW 15 | SW 14 | SW 14 | SSW 13 | SW 8 | 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 | SW 14 | SSW 16 | SSW 15 |
 kJ | 39 | 50 | 35 | 217 | 211 | 203 | 149 | 45 | 162 | 142 | 305 | 297 | 243 | 218 | 84 | 306 | 367 | 551 | 623 | 742 | 731 | 846 | 1536 | 1507 |
Swell 2 Height (m) Direction Period (s) | E 8 | SW 16 | SW 15 | S 6 | S 6 | E 8 | SW 9 | SSW 13 | SW 8 | SW 8 | ESE 11 | E 11 | ESE 11 | ESE 11 | SSW 16 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSW 18 | SSE 10 | SSE 10 |
| kJ | 57 | 255 | 223 | 24 | 24 | 29 | 49 | 109 | 41 | 41 | 25 | 62 | 40 | 39 | 105 | 54 | 49 | 47 | 47 | 47 | 46 | 276 | 43 | 42 |
Swell 3 Height (m) Direction Period (s) | SW 16 | E 8 | E 7 | E 7 | E 8 | S 6 | E 8 | SSW 16 | E 8 | SW 12 | E 8 | SE 12 | SW 18 | SE 12 | ESE 11 | ESE 11 | E 11 | E 11 | E 11 | E 10 | E 10 | SSE 11 | E 10 | E 10 |
| kJ | 261 | 41 | 40 | 28 | 28 | 17 | 19 | 94 | 19 | 67 | 10 | 40 | 79 | 37 | 39 | 39 | 36 | 36 | 20 | 19 | 18 | 45 | 18 | 17 |
Wind waves Height (m) Direction Period (s) | SSW 6 | SW 6 | — | SW 6 | WSW 5 | WSW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 47 | 71 | — | 46 | 28 | 48 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 76 | 0 | 0 | 0 | 0 | 107 | 83 | 81 | 76 | 76 | 76 | 76 | 76 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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