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Surf Forecasts:
Arniston surfForecast / Overberg / South Africa
48hr Weather and Surf, issued 1 pm 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 6PM is: 1.7m 11s primary swell from a South-southwest direction and 0.2m 18s secondary swell from a South-southwest direction (forecast issued at 01:00pm May 14). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 7ft (2.2m) | 12s |
| Afternoon (14 May) | 6ft (1.8m) | 11s |
| Evening (14 May) | 8ft (2.4m) | 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 19°C on Thu afternoon, min 15°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 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 | S 12 | SSE 11 | SSE 11 | S 11 | |
1083 | 821 | 711 | 1223 | 505 | 2033 | 2346 | 2522 | 2487 | 2452 | 2349 | 1755 | 1530 | 1218 | 1077 | 932 | 738 | 638 | 547 | 538 | 464 | 438 | 363 | 284 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | off | off | off | off | off | off | cross-off | cross | glassy | glassy | cross | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 1:32PM1.70m | 1:42AM1.96m | 2:15PM1.81m | 2:25AM2.03m | 2:58PM1.87m | 3:09AM2.04m | ||||||||||||||||||
Low Tide | 7:29PM0.26m | 8:05AM0.04m | 8:13PM0.17m | 8:47AM-0.03m | 8:58PM0.13m | |||||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — |
 | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | 5:43 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 18 | 19 | 17 | 17 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
11 | 15 | 15 | 13 | 14 | 13 | 14 | 14 | 15 | 16 | 16 | 18 | 17 | 15 | 13 | 12 | 12 | 13 | 13 | 13 | 14 | 15 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | 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 | S 12 | SSE 11 | SSE 11 | S 11 |
 kJ | 1083 | 821 | 711 | 608 | 505 | 2033 | 2346 | 2522 | 2487 | 2452 | 2349 | 1755 | 1530 | 1218 | 1077 | 932 | 738 | 638 | 547 | 538 | 464 | 438 | 363 | 284 |
Swell 2 Height (m) Direction Period (s) | SW 19 | SW 18 | SSW 18 | S 14 | S 14 | SW 16 | SW 16 | SW 17 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | ESE 6 |
| kJ | 14 | 12 | 31 | 95 | 503 | 93 | 95 | 104 | 83 | 145 | 145 | 557 | 598 | 581 | 492 | 457 | 335 | 256 | 217 | 190 | 166 | 136 | 124 | 25 |
Swell 3 Height (m) Direction Period (s) | — | SW 18 | SW 18 | S 18 | SW 16 | SW 16 | SW 16 | WSW 11 | SW 16 | SW 15 | SW 15 | WSW 11 | — | — | — | — | — | — | — | — | SW 13 | SW 13 | S 13 | SW 12 |
| kJ | — | 49 | 80 | 27 | 41 | 93 | 268 | 335 | 155 | 183 | 313 | 649 | — | — | — | — | — | — | — | — | 144 | 142 | 3 | 124 |
Wind waves Height (m) Direction Period (s) | — | — | WSW 3 | SW 11 | W 3 | WSW 11 | — | — | — | — | — | — | — | — | — | — | — | E 3 | E 4 | E 4 | E 4 | E 4 | ESE 4 | E 6 |
| kJ | — | — | 2 | 1223 | 3 | 1199 | — | — | — | — | — | — | — | — | — | — | — | 5 | 13 | 16 | 8 | 7 | 5 | 23 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 103 | 0 | 105 | 103 | 0 | 103 | 76 | 76 | 76 | 105 | 76 | 76 | 76 | 76 | 76 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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