Surf Forecasts:
How big are the waves at Arniston today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 2.5ft (0.8m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 3.5ft (1.0m), 12s period with SSW swell.
- Evening surf: Evening surf (31 Aug, local time) - 4.5ft (1.3m), 12s period with SSW swell.
The current surf forecast for Arniston at 5PM is: 1.0m 12s primary swell from a South-southwest direction and 0.3m 10s secondary swell from a East direction (forecast issued at 01:00pm August 31). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 2.5ft (0.8m) | 12s |
| Afternoon (31 Aug) | 3.5ft (1.0m) | 12s |
| Evening (31 Aug) | 4.5ft (1.3m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu morning. Very mild (max 15°C on Wed morning, min 10°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||
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 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SW 14 | SW 14 | SW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 285 | 285 | 280 | 353 | 483 | 647 | 679 | 1002 | 1230 | 1280 | 1627 | 1721 | 1772 | 1653 | 1495 | 1291 | 711 | 605 | 404 | 352 | 757 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross | cross-off | off | off | off | cross-off | glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-on | on | on | cross-on | cross-on |
High Tide | 4:59PM1.96m | 5:16AM1.73m | 5:32PM1.86m | 5:53AM1.61m | 6:11PM1.72m | ||||||||||||||||
Low Tide | 10:43AM0.11m | 11:12PM0.14m | 11:15AM0.21m | 11:48PM0.24m | 11:51AM0.34m | ||||||||||||||||
 | | |  | | | | | | | |  |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 12 | 11 | 11 | 10 | 10 | 13 | 14 | 14 | 13 | 14 | 13 | 13 | 13 | 15 | 15 | 15 | 14 | 14 |
Feels °C | 11 | 11 | 10 | 9 | 8 | 8 | 7 | 7 | 12 | 10 | 9 | 9 | 11 | 9 | 10 | 10 | 14 | 12 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SW 14 | SW 14 | SW 13 | SSW 13 |
| kJ | 285 | 285 | 280 | 353 | 483 | 647 | 679 | 1002 | 1230 | 1280 | 1627 | 1721 | 1772 | 1653 | 1495 | 1291 | 711 | 605 | 404 | 352 | 757 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 8 | E 10 | E 11 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | E 10 | E 10 | SW 14 | SSW 13 | SSW 13 | S 7 | E 9 |
| kJ | 14 | 13 | 17 | 20 | 36 | 35 | 33 | 32 | 31 | 31 | 17 | 17 | 16 | 16 | 16 | 16 | 346 | 431 | 317 | 87 | 6 |
Swell 3 Height (m) Direction Period (s) | SE 11 | SE 10 | SE 10 | SSE 6 | S 10 | S 10 | S 10 | — | — | — | — | — | — | — | — | — | E 10 | E 10 | S 8 | SSW 13 | — |
| kJ | 4 | 4 | 4 | 4 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | 16 | 16 | 93 | 231 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 19 | 135 | 0 | 0 | 0 | 0 | 0 | 0 | 113 | 127 | 113 | 113 | 76 | 0 | 0 | 83 | 177 | 81 | 81 | 76 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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