Surf Forecasts:
How big are the waves at Arniston today (06 Aug):
- Morning surf: Morning surf (06 Aug, local time) - 5ft (1.5m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (06 Aug, local time) - 5ft (1.5m), 12s period with SSW swell.
- Evening surf: Evening surf (06 Aug, local time) - 6ft (1.8m), 12s period with SSW swell.
The current surf forecast for Arniston at 2AM is: 1.7m 14s primary swell from a Southwest direction and 0.7m 10s secondary swell from a East-southeast direction (forecast issued at 07:00pm August 05). An open ocean swell of 0.4m 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 (06 Aug) | 5ft (1.5m) | 13s |
| Afternoon (06 Aug) | 5ft (1.5m) | 12s |
| Evening (06 Aug) | 6ft (1.8m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Wed night. Very mild (max 17°C on Wed night, min 12°C on Thu morning). Winds decreasing (fresh winds from the SW on Wed night, calm by Fri night). | |||||||||||||||||||
Wed 5 | Thursday 6 | Friday 7 | |||||||||||||||||
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 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 12 | SSW 12 | SSW 12 | S 12 | SW 15 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 851 | 953 | 1006 | 1121 | 1451 | 778 | 732 | 647 | 715 | 970 | 617 | 606 | 1517 | 1602 | 1668 | 2088 | 2047 | 1873 | 1670 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | on | glassy | cross-off |
High Tide | 7:29PM1.60m | 8:08AM1.31m | 8:41PM1.47m | 9:49AM1.24m | 10:26PM1.42m | ||||||||||||||
Low Tide | 1:59AM0.51m | 2:03PM0.61m | 3:25AM0.59m | 3:44PM0.70m | |||||||||||||||
 |  | |  |  |  | | | | |  | | |  | | | | | | |
 | — | — | — | — | 7:28 | — | — | — | — | — | — | — | 7:28 | — | — | — | — | — | — |
 | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — |
mm | — | — | — | — | 5 | 1 | 2 | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 16 | 14 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 15 | 14 | 13 |
Feels °C | 12 | 11 | 12 | 10 | 7 | 10 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 11 | 13 | 14 | 9 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SSW 12 | SSW 12 | SSW 12 | S 12 | S 11 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 851 | 953 | 1006 | 1121 | 1451 | 778 | 732 | 647 | 715 | 970 | 617 | 576 | 1517 | 1602 | 1668 | 2088 | 2047 | 1873 | 1670 |
Swell 2 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | SSW 13 | SSW 13 | SW 14 | SW 13 | SW 14 | SW 14 | SW 15 | E 9 | E 10 | E 10 | E 10 | E 10 | ESE 6 | ESE 6 |
| kJ | 160 | 131 | 131 | 102 | 94 | 475 | 303 | 228 | 212 | 206 | 573 | 606 | 45 | 47 | 47 | 47 | 151 | 47 | 40 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | — | — | — | — | — | E 10 | E 9 |
| kJ | — | — | — | — | — | 94 | 68 | 68 | 67 | 65 | 46 | 45 | — | — | — | — | — | 45 | 45 |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 4 | — | WNW 3 | — | — | — | — | — | — | — | — | — | — | — | E 4 | — | — | — |
| kJ | 98 | 21 | — | 4 | — | — | — | — | — | — | — | — | — | — | — | 19 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 65 | 65 | 0 | 105 | 156 | 127 | 93 | 184 | 135 | 93 | 93 | 83 | 83 | 83 | 93 | 76 | 133 | 76 | 65 |
Best forecast wave conditions in Overberg | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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