Surf Forecasts:
How big are the waves at Arniston today (22 Aug):
- Morning surf: Morning surf (22 Aug, local time) - 4.5ft (1.3m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (22 Aug, local time) - 3.5ft (1.0m), 12s period with SSW swell.
- Evening surf: Evening surf (22 Aug, local time) - 4.5ft (1.3m), 12s period with SSW swell.
The current surf forecast for Arniston at 11AM is: 1.2m 13s primary swell from a South-southwest direction and 0.2m 4s secondary swell from a East direction (forecast issued at 07:00am August 22). An open ocean swell of 0.7m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Aug) | 4.5ft (1.3m) | 12s |
| Afternoon (22 Aug) | 3.5ft (1.0m) | 12s |
| Evening (22 Aug) | 4.5ft (1.3m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Sun night). Winds decreasing (fresh winds from the W on Sat afternoon, calm by Sun morning). | |||||||||||||||||||||||
Saturday 22 | Sunday 23 | Monday 24 | |||||||||||||||||||||
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 11 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 11 | SSW 12 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 10 | SSW 11 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 256 | 437 | 433 | 355 | 213 | 480 | 509 | 483 | 421 | 329 | 261 | 249 | 449 | 373 | 325 | 325 | 319 | 319 | 180 | 158 | 213 | 293 | 845 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | glassy | cross-on | cross-on | glassy | glassy | off | off | off | glassy | cross | cross | cross-on | glassy |
High Tide | 12:15PM1.15m | 00:20AM1.25m | 1:09PM1.30m | 1:10AM1.39m | 1:43PM1.46m | ||||||||||||||||||
Low Tide | 5:53AM0.79m | 6:26PM0.84m | 7:01AM0.65m | 7:18PM0.70m | 7:36AM0.51m | 7:51PM0.56m | |||||||||||||||||
 |  | |  | | |  | | | | | | | | | | | | | | |  | | |
 | 7:11 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — |
 | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 16 | 17 | 16 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 13 | 14 | 13 | 13 | 13 |
Feels °C | 10 | 8 | 9 | 11 | 11 | 12 | 14 | 14 | 12 | 12 | 13 | 12 | 11 | 12 | 13 | 11 | 11 | 11 | 12 | 12 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 11 | SSW 12 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 11 | SSW 12 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 10 | SSW 11 | SSW 10 | SSW 14 |
| kJ | 256 | 437 | 433 | 355 | 213 | 480 | 509 | 483 | 421 | 329 | 256 | 249 | 449 | 373 | 325 | 325 | 319 | 319 | 180 | 158 | 180 | 225 | 845 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | E 4 | E 4 | E 8 | E 5 | E 5 | SW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SSW 11 | SSW 14 | SSW 13 | SSW 13 | E 8 | E 8 | E 8 | WSW 12 | S 14 | SSW 14 | SSW 14 | E 9 |
| kJ | 143 | 3 | 1 | 5 | 2 | 2 | 10 | 35 | 100 | 160 | 261 | 183 | 18 | 18 | 18 | 1 | 1 | 1 | 93 | 103 | 213 | 293 | 2 |
Swell 3 Height (m) Direction Period (s) | E 4 | E 8 | E 8 | — | E 8 | E 8 | E 5 | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | E 9 | WSW 11 | WSW 12 | SW 11 | E 9 |
| kJ | 5 | 6 | 1 | — | 1 | 1 | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 2 | 50 | 27 | 5 | 2 |
Wind waves Height (m) Direction Period (s) | — | W 3 | W 3 | WSW 3 | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | 11 | 12 | 100 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 76 | 0 | 19 | 103 | 110 | 113 | 160 | 103 | 0 | 0 | 0 | 0 | 0 | 135 | 135 | 0 | 0 | 0 | 0 | 0 | 0 | 107 | 19 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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