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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 7 am Thursday 14 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
17.7° C
(Which is normal for this time of year)How big are the waves at Arniston today?
The current surf forecast for Arniston at 12PM is: 2.1m 11s primary swell from a South-southwest direction and 0.1m 19s secondary swell from a Southwest direction (forecast issued at 07:00am May 14). The wind direction is predicted to be offshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 7ft (2.2m) | 12s |
| Afternoon (14 May) | 6ft (1.8m) | 11s |
| Evening (14 May) | 7.5ft (2.3m) | 11s |
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 Thu afternoon, min 13°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SW 11 | SSW 11 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | SSE 12 | S 11 | |
1538 | 1366 | 1083 | 821 | 711 | 1149 | 505 | 2033 | 2346 | 2542 | 2689 | 2452 | 2349 | 1755 | 1530 | 1218 | 1077 | 932 | 750 | 638 | 547 | 639 | 550 | 357 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | cross-off | off | off | off | off | off | off | cross-off | cross | glassy | glassy | cross | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | on | |
High Tide | 1:32PM1.70m | 1:42AM1.96m | 2:15PM1.81m | 2:25AM2.03m | 2:58PM1.87m | |||||||||||||||||||
Low Tide | 7:23AM0.16m | 7:29PM0.26m | 8:05AM0.04m | 8:13PM0.17m | 8:47AM-0.03m | 8:58PM0.13m | ||||||||||||||||||
 |  |  | | | | | | | | | | | | | | | | | | | | | | |
 | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | 7:26 |
 | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:44 | — | — | 5:43 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 13 | 14 | 18 | 18 | 17 | 17 | 17 | 16 | 15 | 17 | 18 | 18 | 18 | 17 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 |
11 | 9 | 11 | 16 | 14 | 14 | 14 | 14 | 13 | 13 | 15 | 16 | 17 | 18 | 16 | 15 | 13 | 13 | 12 | 13 | 13 | 14 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | SSE 12 | S 11 |
 kJ | 1538 | 1366 | 1083 | 821 | 711 | 582 | 505 | 2033 | 2346 | 2542 | 2689 | 2452 | 2349 | 1755 | 1530 | 1218 | 1077 | 932 | 750 | 638 | 547 | 639 | 550 | 357 |
Swell 2 Height (m) Direction Period (s) | — | SW 20 | SW 19 | SW 18 | SSW 18 | S 14 | S 14 | SW 16 | SW 16 | SW 17 | SW 15 | SW 15 | SW 16 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 |
| kJ | — | 15 | 14 | 12 | 31 | 95 | 503 | 93 | 95 | 104 | 83 | 145 | 151 | 631 | 598 | 581 | 485 | 457 | 335 | 256 | 217 | 190 | 205 | 166 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 18 | SW 18 | S 18 | SW 16 | SW 16 | SW 16 | — | SW 16 | WSW 15 | SW 15 | SW 15 | — | — | — | — | — | — | — | — | SW 13 | ESE 6 |
| kJ | — | — | — | 49 | 80 | 27 | 41 | 93 | 268 | — | 165 | 398 | 309 | 432 | — | — | — | — | — | — | — | — | 144 | 25 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | WSW 2 | SW 11 | W 3 | WSW 9 | WSW 11 | — | — | — | — | — | — | — | — | — | — | E 3 | E 4 | E 3 | E 4 | E 4 |
| kJ | — | — | — | — | 1 | 1149 | 2 | 835 | 1214 | — | — | — | — | — | — | — | — | — | — | 5 | 9 | 6 | 6 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 103 | 76 | 76 | 0 | 105 | 103 | 0 | 103 | 76 | 76 | 76 | 105 | 76 | 76 | 76 | 76 | 76 | 81 | 81 | 81 | 81 | 81 | 81 | 81 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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