Surf Forecasts:
How big are the waves at Arniston today (23 Aug):
- Morning surf: Morning surf (23 Aug, local time) - 3.5ft (1.1m), 11s period with SSW swell.
- Afternoon surf: Afternoon surf (23 Aug, local time) - 2.5ft (0.8m), 13s period with SW swell.
- Evening surf: Evening surf (23 Aug, local time) - 3.5ft (1.1m), 12s period with SW swell.
The current surf forecast for Arniston at 11AM is: 1.1m 11s primary swell from a South-southwest direction and 0.7m 13s secondary swell from a Southwest direction (forecast issued at 07:00am August 23). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Aug) | 3.5ft (1.1m) | 11s |
| Afternoon (23 Aug) | 2.5ft (0.8m) | 13s |
| Evening (23 Aug) | 3.5ft (1.1m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue night. Very mild (max 14°C on Sun afternoon, min 11°C on Sun night). Winds increasing (calm on Mon morning, strong winds from the E by Tue night). | |||||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SSW 12 | SSW 11 | SSW 11 | SW 13 | SSW 11 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SW 14 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | S 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 421 | 329 | 297 | 249 | 214 | 373 | 325 | 325 | 319 | 289 | 167 | 210 | 712 | 822 | 996 | 1010 | 1087 | 811 | 1225 | 1102 | 886 | 862 | 663 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | glassy | cross-on | cross-on | glassy | glassy | off | off | glassy | glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | cross-on |
High Tide | 1:09PM1.30m | 1:10AM1.39m | 1:43PM1.46m | 1:45AM1.53m | 2:11PM1.61m | ||||||||||||||||||
Low Tide | 7:01AM0.65m | 7:18PM0.70m | 7:36AM0.51m | 7:51PM0.56m | 8:03AM0.37m | 8:19PM0.42m | |||||||||||||||||
 |  | | | | | | | | | | | | | |  |  | | | | | | | |
 | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:14 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 13 | 14 | 13 | 13 | 12 | 12 | 13 | 12 | 13 | 14 | 14 | 14 | 14 |
Feels °C | 11 | 12 | 12 | 12 | 11 | 13 | 11 | 11 | 10 | 10 | 13 | 13 | 11 | 12 | 11 | 11 | 12 | 11 | 11 | 12 | 11 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 15 | SW 14 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | S 13 |
| kJ | 421 | 329 | 297 | 225 | 214 | 373 | 325 | 325 | 319 | 289 | 167 | 176 | 712 | 822 | 996 | 1010 | 1087 | 811 | 1225 | 1102 | 886 | 862 | 663 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SSW 13 | SSW 13 | E 8 | E 8 | E 8 | WSW 12 | SSW 14 | E 9 | SW 11 | E 9 | W 11 | — | SSW 16 | E 9 | E 10 | E 10 | E 10 | SW 14 |
| kJ | 100 | 160 | 180 | 249 | 167 | 18 | 18 | 1 | 1 | 1 | 56 | 210 | 2 | 5 | 2 | 121 | — | 273 | 2 | 2 | 2 | 2 | 200 |
Swell 3 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | SSW 15 | E 8 | E 8 | — | — | — | S 14 | WSW 12 | E 10 | E 9 | — | — | — | E 9 | — | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 42 | 1 | 1 | — | — | — | 101 | 54 | 2 | 2 | — | — | — | 2 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 135 | 135 | 0 | 0 | 0 | 0 | 0 | 0 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 297 | 246 | 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