Surf Forecasts:
How big are the waves at Arniston today (08 Aug):
- Morning surf: Morning surf (08 Aug, local time) - 5ft (1.6m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (08 Aug, local time) - 6.5ft (2.0m), 14s period with SSW swell.
- Evening surf: Evening surf (08 Aug, local time) - 7ft (2.2m), 14s period with SSW swell.
The current surf forecast for Arniston at 2AM is: 1.9m 14s primary swell from a South-southwest direction and 0.4m 5s secondary swell from a East-southeast direction (forecast issued at 07:00pm August 07). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Aug) | 5ft (1.6m) | 14s |
| Afternoon (08 Aug) | 6.5ft (2.0m) | 14s |
| Evening (08 Aug) | 7ft (2.2m) | 14s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Sat night. Very mild (max 18°C on Sat afternoon, min 11°C on Sat night). Winds increasing (calm on Fri night, strong winds from the S by Sun afternoon). | |||||||||||||||||||
Fri 7 | Saturday 8 | Sunday 9 | |||||||||||||||||
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 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 12 | SSW 13 | SSW 12 | S 7 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 1950 | 1873 | 1670 | 1484 | 1127 | 985 | 957 | 1447 | 3675 | 1997 | 1638 | 670 | 1000 | 408 | 1155 | 435 | 635 | 578 | 514 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross-off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 10:26PM1.42m | 11:42AM1.31m | 00:04AM1.51m | 12:57PM1.48m | |||||||||||||||
Low Tide | 3:44PM0.70m | 5:17AM0.57m | 5:44PM0.65m | 6:42AM0.43m | 7:05PM0.49m | ||||||||||||||
 |  | | | | | |  | |  | | | |  |  | | |  |  | |
 | — | — | — | — | 7:26 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — | — |
 | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:02 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 3 | 4 | 2 | 1 | 1 | 1 | 1 | — | 1 |
Temp °C | 15 | 15 | 13 | 12 | 12 | 12 | 14 | 18 | 14 | 13 | 11 | 12 | 12 | 12 | 13 | 12 | 13 | 13 | 13 |
Feels °C | 12 | 15 | 9 | 8 | 8 | 8 | 9 | 13 | 8 | 8 | 6 | 9 | 6 | 4 | 4 | 3 | 5 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 14 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 12 | S 8 |
| kJ | 1950 | 1873 | 1670 | 1484 | 1127 | 985 | 957 | 1447 | 2243 | 1997 | 1638 | 670 | 143 | 408 | 256 | 435 | 635 | 578 | 341 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | E 4 | E 4 | ESE 5 | ESE 5 | E 6 | E 6 | E 6 | E 7 | ESE 7 | ESE 7 | SW 13 | E 9 | SW 13 | E 9 | E 9 | E 9 | E 9 | SW 12 |
| kJ | 31 | 13 | 9 | 7 | 9 | 20 | 30 | 21 | 22 | 15 | 15 | 637 | 39 | 363 | 39 | 24 | 24 | 24 | 514 |
Swell 3 Height (m) Direction Period (s) | — | ESE 10 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 7 | — | E 9 | — | — | — | — | E 8 |
| kJ | — | 30 | 29 | 29 | 29 | 28 | 16 | 15 | 15 | 15 | 15 | 15 | — | 39 | — | — | — | — | 22 |
Wind waves Height (m) Direction Period (s) | E 4 | — | — | — | W 3 | WSW 4 | W 3 | — | SW 14 | — | — | — | SSW 12 | S 6 | SSW 12 | S 7 | S 7 | S 7 | — |
| kJ | 10 | — | — | — | 5 | 10 | 2 | — | 3675 | — | — | — | 1000 | 158 | 1155 | 425 | 389 | 343 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 133 | 76 | 76 | 0 | 0 | 0 | 0 | 113 | 156 | 139 | 139 | 139 | 113 | 161 | 183 | 1771 | 1297 | 2571 | 183 |
Best forecast wave conditions in Overberg | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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