Surf Forecasts:
How big are the waves at Arniston today (09 Aug):
- Morning surf: Morning surf (09 Aug, local time) - 6ft (1.8m), 13s period with S swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 7.5ft (2.3m), 8s period with S swell.
- Evening surf: Evening surf (09 Aug, local time) - 6.5ft (2.0m), 8s period with S swell.
The current surf forecast for Arniston at 2AM is: 1.5m 13s primary swell from a South-southwest direction and 1.3m 13s secondary swell from a Southwest direction (forecast issued at 07:00pm August 08). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 6ft (1.8m) | 13s |
| Afternoon (09 Aug) | 7.5ft (2.3m) | 8s |
| Evening (09 Aug) | 6.5ft (2.0m) | 8s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sat night. Very mild (max 14°C on Mon night, min 12°C on Sat night). Winds increasing (light winds from the SSW on Sat night, strong winds from the E by Tue afternoon). | |||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | |||||||||||||||||
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 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 13 | S 7 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | S 11 | S 10 | S 10 | S 10 | S 10 | SSE 10 | S 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 2274 | 2151 | 1638 | 670 | 750 | 1087 | 569 | 705 | 628 | 501 | 461 | 407 | 1068 | 955 | 755 | 938 | 1047 | 999 | 1162 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on |
High Tide | 00:04AM1.51m | 12:57PM1.48m | 1:12AM1.65m | 1:50PM1.68m | |||||||||||||||
Low Tide | 5:44PM0.65m | 6:42AM0.43m | 7:05PM0.49m | 7:40AM0.27m | 8:02PM0.32m | ||||||||||||||
 |  | | | | | | |  |  | |  | |  | | | | | | |
 | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — |
 | 6:01 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | 1 | 1 | 1 | 4 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 12 | 12 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 14 |
Feels °C | 8 | 7 | 9 | 9 | 7 | 4 | 4 | 4 | 5 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 5 | 7 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | ESE 8 | E 8 | SW 11 | S 14 | S 14 | SSE 10 | S 14 |
| kJ | 2274 | 2151 | 1638 | 670 | 495 | 363 | 256 | 428 | 480 | 463 | 414 | 407 | 23 | 10 | 174 | 132 | 383 | 999 | 1162 |
Swell 2 Height (m) Direction Period (s) | E 7 | ESE 7 | ESE 7 | SW 13 | E 9 | E 9 | SSW 13 | ESE 9 | ESE 9 | ESE 8 | ESE 8 | ESE 9 | — | E 10 | E 10 | E 10 | SSW 14 | S 14 | WSW 11 |
| kJ | 22 | 15 | 15 | 637 | 40 | 39 | 249 | 26 | 25 | 24 | 23 | 26 | — | 7 | 8 | 7 | 492 | 791 | 66 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 7 | — | — | ESE 9 | — | — | E 11 | — | — | — | — | E 10 | E 10 | E 10 | — | — |
| kJ | 15 | 15 | 15 | 15 | — | — | 26 | — | — | 10 | — | — | — | — | 17 | 17 | 16 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 13 | S 13 | S 7 | S 8 | S 8 | S 8 | SSE 8 | SSE 8 | S 11 | S 10 | S 10 | S 10 | S 10 | E 9 | SSE 9 |
| kJ | — | — | — | — | 750 | 1087 | 569 | 705 | 628 | 501 | 461 | 406 | 1068 | 955 | 755 | 938 | 1047 | 15 | 658 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 156 | 135 | 139 | 137 | 113 | 156 | 183 | 504 | 1297 | 1349 | 1103 | 183 | 183 | 139 | 319 | 246 | 139 | 139 | 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