Surf Forecasts:
How big are the waves at Arniston today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 7ft (2.1m), 10s period with SSW swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 8ft (2.4m), 10s period with S swell.
- Evening surf: Evening surf (10 Aug, local time) - 8ft (2.4m), 10s period with SSE swell.
The current surf forecast for Arniston at 7PM is: 2.3m 10s primary swell from a South direction and 1.2m 14s secondary swell from a South direction, 0.3m 9s secondary swell from a East direction (forecast issued at 01:00pm August 10). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 7ft (2.1m) | 10s |
| Afternoon (10 Aug) | 8ft (2.4m) | 10s |
| Evening (10 Aug) | 8ft (2.4m) | 10s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Thu morning, min 12°C on Wed morning). Winds decreasing (near gales from the E on Tue night, moderate winds from the NE by Thu morning). | |||||||||||||||||||||
Mon 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||||||
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) | S 10 | S 10 | S 10 | SSE 10 | S 14 | S 13 | SSW 13 | SSW 13 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 9 | E 9 | SSW 19 | E 9 | E 9 | E 9 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 1019 | 1109 | 1055 | 1108 | 2939 | 3314 | 1011 | 762 | 666 | 638 | 697 | 800 | 1180 | 1628 | 1692 | 1345 | 1145 | 1064 | 1373 | 1834 | 2655 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:50PM1.68m | 2:04AM1.79m | 2:35PM1.86m | 2:48AM1.88m | 3:15PM1.99m | ||||||||||||||||
Low Tide | 8:02PM0.32m | 8:25AM0.12m | 8:48PM0.17m | 9:05AM0.02m | 9:29PM0.07m | ||||||||||||||||
 |  | |  | | |  | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — |
 | — | — | 6:04 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 14 | 14 | 14 | 13 | 14 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 13 | 15 | 16 | 16 | 15 |
Feels °C | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 7 | 9 | 6 | 6 | 5 | 4 | 3 | 5 | 5 | 5 | 7 | 8 | 8 | 7 |
Swell 1 Height (m) Direction Period (s) | E 10 | S 14 | S 14 | S 14 | S 14 | S 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 22 | SSW 21 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | SSW 17 | SSW 17 |
| kJ | 7 | 181 | 449 | 585 | 2939 | 3314 | 1011 | 762 | 599 | 380 | 293 | 225 | 170 | 739 | 908 | 798 | 983 | 864 | 835 | 921 | 780 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 9 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | SSE 8 | S 26 | SW 26 | SSW 25 | SSW 24 | SW 23 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | SW 10 | S 10 | SSW 22 |
| kJ | 17 | 16 | 16 | 135 | 91 | 66 | 68 | 216 | 14 | 26 | 61 | 218 | 539 | 138 | 153 | 115 | 42 | 41 | 27 | 18 | 278 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 9 | — | — | — | — | — | — | — | WSW 10 | WSW 10 | S 10 | — | S 10 | — | S 10 | S 10 | S 10 | S 10 | S 10 |
| kJ | 17 | 16 | 16 | — | — | — | — | — | — | — | 20 | 20 | 8 | — | 47 | — | 31 | 31 | 17 | 17 | 8 |
Wind waves Height (m) Direction Period (s) | S 10 | S 10 | S 10 | SSE 10 | E 9 | SSE 13 | SE 7 | ESE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 |
| kJ | 1019 | 1109 | 1055 | 1108 | 15 | 2515 | 515 | 404 | 666 | 638 | 697 | 800 | 1180 | 1628 | 1692 | 1345 | 1145 | 1064 | 1373 | 1834 | 2655 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 305 | 785 | 305 | 81 | 81 | 81 | 81 | 81 | 144 | 144 | 144 | 139 | 139 | 139 | 81 | 81 | 93 | 93 | 81 | 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)
Latest Updates
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