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 SSW swell.
- Afternoon surf: Afternoon surf (09 Aug, local time) - 10ft (3.0m), 8s period with S swell.
- Evening surf: Evening surf (09 Aug, local time) - 7ft (2.1m), 8s period with S swell.
The current surf forecast for Arniston at 8PM is: 2.1m 8s primary swell from a South direction and 1.4m 12s secondary swell from a Southwest direction, 0.4m 9s secondary swell from a East-southeast direction (forecast issued at 01:00pm August 09). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | 6ft (1.8m) | 13s |
| Afternoon (09 Aug) | 10ft (3.0m) | 8s |
| Evening (09 Aug) | 7ft (2.1m) | 8s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 14°C on Mon night, min 11°C on Wed morning). Winds increasing (moderate winds from the SSE on Mon morning, near gales from the ENE by Tue night). | |||||||||||||||||||||
Sun 9 | Monday 10 | Tuesday 11 | |||||||||||||||||||
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 8 | S 8 | S 8 | S 8 | SSE 8 | S 8 | SSW 11 | SSW 10 | S 10 | S 10 | S 10 | SSE 10 | S 14 | S 13 | SSW 13 | SSW 13 | SSW 12 | ESE 7 | ESE 7 | ESE 7 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 707 | 1055 | 850 | 603 | 560 | 535 | 883 | 772 | 1019 | 1024 | 1076 | 1038 | 2733 | 1835 | 1011 | 860 | 599 | 527 | 600 | 821 | 1075 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross | cross | cross | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 12:57PM1.48m | 1:12AM1.65m | 1:50PM1.68m | 2:04AM1.79m | 2:35PM1.86m | ||||||||||||||||
Low Tide | 7:05PM0.49m | 7:40AM0.27m | 8:02PM0.32m | 8:25AM0.12m | 8:48PM0.17m | ||||||||||||||||
 |  |  |  |  | |  | | |  | | | |  | |  | | | | | | |
 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — |
 | — | — | 6:02 | — | — | — | — | — | — | — | 6:04 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | 3 | 1 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 13 | 12 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 13 |
Feels °C | 3 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 7 | 6 | 6 | 7 | 7 | 6 | 8 | 8 | 6 | 6 | 5 | 4 | 3 |
Swell 1 Height (m) Direction Period (s) | SW 12 | ESE 9 | SW 12 | SW 12 | SW 12 | SW 12 | SE 7 | SSW 10 | 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 |
| kJ | 221 | 26 | 531 | 568 | 514 | 400 | 137 | 772 | 7 | 181 | 456 | 684 | 2733 | 1835 | 1011 | 860 | 599 | 437 | 343 | 221 | 161 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | — | ESE 8 | ESE 9 | E 9 | ESE 9 | E 10 | E 10 | E 10 | E 10 | E 9 | WSW 11 | WSW 11 | WSW 10 | WSW 11 | SE 7 | SE 8 | SW 26 | SSW 25 | SSW 24 | SW 23 |
| kJ | 26 | — | 24 | 26 | 24 | 27 | 16 | 17 | 17 | 7 | 16 | 97 | 66 | 85 | 68 | 223 | 210 | 26 | 61 | 218 | 539 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | E 10 | E 10 | E 9 | — | — | — | — | — | S 26 | — | WSW 10 | S 9 | S 10 |
| kJ | — | — | — | — | — | — | — | — | 17 | 16 | 16 | — | — | — | — | — | 14 | — | 20 | 45 | 8 |
Wind waves Height (m) Direction Period (s) | S 8 | S 8 | S 8 | S 8 | SSE 8 | S 8 | SSW 11 | SE 7 | S 10 | S 10 | S 10 | SSE 10 | E 9 | E 6 | ESE 7 | E 6 | E 6 | ESE 7 | ESE 7 | ESE 7 | E 8 |
| kJ | 707 | 1055 | 850 | 603 | 560 | 535 | 883 | 118 | 1019 | 1024 | 1076 | 1038 | 7 | 127 | 373 | 187 | 260 | 527 | 600 | 821 | 1075 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 261 | 1771 | 1296 | 1349 | 1469 | 183 | 183 | 139 | 341 | 246 | 246 | 81 | 81 | 81 | 81 | 81 | 139 | 137 | 137 | 139 | 144 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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