Surf Forecasts:
How big are the waves at Arniston today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 2.5ft (0.8m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 2.5ft (0.8m), 15s period with SW swell.
- Evening surf: Evening surf (16 Aug, local time) - 3.5ft (1.1m), 15s period with SW swell.
The current surf forecast for Arniston at 6PM is: 0.8m 15s primary swell from a Southwest direction and 0.5m 8s secondary swell from a East direction (forecast issued at 01:00pm August 16). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 2.5ft (0.8m) | 13s |
| Afternoon (16 Aug) | 2.5ft (0.8m) | 15s |
| Evening (16 Aug) | 3.5ft (1.1m) | 15s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sun afternoon, min 12°C on Wed morning). Wind will be generally light. | |||||||||||||||||||||
Sun 16 | Monday 17 | Tuesday 18 | |||||||||||||||||||
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 |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SW 14 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | SW 16 | SW 13 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 284 | 273 | 309 | 421 | 659 | 716 | 686 | 511 | 451 | 2547 | 532 | 245 | 478 | 464 | 458 | 569 | 594 | 772 | 972 | 928 | 900 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-on | cross-on | on | on | cross-on |
High Tide | 5:33PM1.89m | 5:48AM1.62m | 6:04PM1.73m | 6:20AM1.47m | 6:36PM1.56m | ||||||||||||||||
Low Tide | 11:18AM0.17m | 11:49PM0.26m | 11:47AM0.31m | 00:21AM0.40m | 12:16PM0.47m | ||||||||||||||||
 | | |  |  | | | |  | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | — | — | 6:07 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:09 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 18 | 17 | 15 | 15 | 16 | 17 | 16 | 18 | 17 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 |
Feels °C | 14 | 14 | 12 | 11 | 12 | 13 | 14 | 13 | 16 | 13 | 12 | 12 | 13 | 14 | 12 | 12 | 12 | 12 | 11 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 16 | SW 13 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 284 | 273 | 309 | 421 | 659 | 716 | 686 | 511 | 451 | 451 | 532 | 238 | 478 | 464 | 458 | 569 | 594 | 772 | 972 | 928 | 900 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 7 | E 10 | E 7 | E 8 | E 9 | E 9 | E 9 | E 9 | SW 16 | E 8 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 |
| kJ | 63 | 29 | 29 | 27 | 74 | 26 | 28 | 85 | 81 | 78 | 78 | 245 | 31 | 57 | 79 | 79 | 55 | 54 | 52 | 51 | 32 |
Swell 3 Height (m) Direction Period (s) | SW 16 | ESE 9 | ESE 10 | SW 7 | E 10 | ESE 10 | ESE 10 | — | — | — | — | E 8 | ESE 11 | E 7 | — | — | — | — | — | — | — |
| kJ | 67 | 29 | 35 | 25 | 53 | 35 | 36 | — | — | — | — | 31 | 37 | 17 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 5 | WSW 6 | WSW 4 | WSW 4 | — | — | — | — | — | WSW 13 | WSW 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | 20 | 12 | 16 | 8 | — | — | — | — | — | 2547 | 12 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 133 | 113 | 65 | 0 | 0 | 0 | 0 | 0 | 113 | 160 | 65 | 0 | 0 | 0 | 0 | 81 | 81 | 226 | 81 | 81 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Arniston surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest