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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 am 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
17.0° C
(Which is normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 5AM is: 1.1m 8s primary swell from a East-southeast direction and 0.4m 18s secondary swell from a South-southwest direction (forecast issued at 01:00am May 22). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 3.5ft (1.0m) | 8s |
| 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 17°C on Fri morning, min 15°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 22 | Saturday 23 | Sunday 24 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 8 | ESE 8 | E 8 | SSW 17 | SSW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SSW 13 | SSW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | |
212 | 176 | 137 | 160 | 175 | 261 | 255 | 223 | 217 | 211 | 203 | 111 | 109 | 162 | 211 | 214 | 301 | 228 | 218 | 129 | 306 | 367 | 477 | 558 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off | off | cross-off | cross-on | on | cross-on | glassy | cross | cross | cross | on | on | on | cross-on | |
High Tide | 7:30AM1.40m | 8:20PM1.50m | 8:52AM1.30m | 9:39PM1.48m | 10:20AM1.27m | 10:51PM1.51m | ||||||||||||||||||
Low Tide | 1:30AM0.54m | 1:49PM0.51m | 2:54AM0.61m | 3:05PM0.59m | 4:21AM0.60m | 4:24PM0.61m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | |  | | |
 | — | 7:30 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:38 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 17 | 16 | 16 |
12 | 13 | 13 | 13 | 15 | 15 | 14 | 14 | 14 | 13 | 14 | 15 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 17 | 16 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | E 8 | ESE 8 | E 8 | S 6 | S 6 | S 6 | S 6 | SW 14 | SW 14 | SSW 13 | SW 9 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 16 | SW 16 | SW 16 | SW 15 |
 kJ | 212 | 176 | 137 | 109 | 78 | 38 | 49 | 51 | 51 | 211 | 203 | 111 | 59 | 162 | 211 | 214 | 301 | 228 | 218 | 108 | 306 | 367 | 477 | 558 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | E 8 | SW 16 | SW 15 | SW 15 | S 6 | S 6 | SW 9 | SSW 13 | SW 8 | SW 8 | SW 8 | ESE 11 | ESE 11 | ESE 11 | SW 16 | SSE 12 | SSE 11 | SSE 11 | SSE 11 |
| kJ | 128 | 124 | 123 | 160 | 175 | 57 | 255 | 223 | 217 | 37 | 28 | 38 | 109 | 44 | 41 | 23 | 41 | 40 | 40 | 129 | 54 | 49 | 47 | 47 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SW 11 | S 10 | SW 11 | SSW 5 | SW 16 | E 8 | E 8 | E 7 | E 8 | E 8 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 5 | SSE 5 | SW 18 | SE 12 | ESE 11 | ESE 11 | ESE 11 | E 11 | E 11 |
| kJ | 36 | 33 | 19 | 33 | 11 | 261 | 41 | 41 | 28 | 28 | 29 | 19 | 17 | 11 | 10 | 10 | 5 | 79 | 37 | 39 | 39 | 38 | 20 | 20 |
Wind waves Height (m) Direction Period (s) | W 3 | W 3 | W 3 | W 3 | SW 10 | — | — | — | WNW 3 | SSW 6 | WSW 6 | — | — | — | — | — | — | — | — | — | — | — | SE 5 | ESE 5 |
| kJ | 7 | 5 | 4 | 5 | 100 | — | — | — | 3 | 65 | 36 | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 19 | 103 | 19 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 19 | 81 | 76 | 0 | 76 | 76 | 76 | 83 | 81 | 81 | 76 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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