Surf Forecasts:
How big are the waves at Arniston today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 2.5ft (0.8m), 13s period with SW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 4.5ft (1.4m), 12s period with SSW swell.
- Evening surf: Evening surf (30 Aug, local time) - 3ft (0.9m), 12s period with SW swell.
The current surf forecast for Arniston at 3PM is: 1.4m 12s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a East direction (forecast issued at 07:00am August 30). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 2.5ft (0.8m) | 13s |
| Afternoon (30 Aug) | 4.5ft (1.4m) | 12s |
| Evening (30 Aug) | 3ft (0.9m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 15°C on Tue afternoon, min 10°C on Mon morning). Wind will be generally light. | |||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||||
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 9 | SW 13 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 12 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 244 | 228 | 573 | 573 | 248 | 244 | 240 | 236 | 236 | 319 | 285 | 285 | 280 | 347 | 407 | 573 | 679 | 955 | 1111 | 1144 | 1469 | 1650 | 1922 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | off | cross-off | glassy | cross | cross | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 4:28PM2.01m | 4:43AM1.82m | 4:59PM1.96m | 5:16AM1.73m | 5:32PM1.86m | ||||||||||||||||||
Low Tide | 10:14AM0.06m | 10:40PM0.09m | 10:43AM0.11m | 11:12PM0.14m | 11:15AM0.21m | ||||||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | | | | | |
 | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 11 | 10 | 12 | 12 | 12 | 12 | 11 | 11 | 10 | 11 | 13 | 15 | 15 | 14 | 13 |
Feels °C | 10 | 11 | 10 | 10 | 9 | 11 | 12 | 10 | 9 | 7 | 11 | 9 | 10 | 10 | 8 | 8 | 7 | 8 | 10 | 12 | 11 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 9 | SSW 8 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 12 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 244 | 169 | 573 | 573 | 248 | 244 | 240 | 236 | 236 | 319 | 285 | 285 | 280 | 347 | 407 | 573 | 679 | 955 | 1111 | 1144 | 1469 | 1650 | 1922 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 13 | E 10 | E 10 | S 7 | S 7 | S 7 | S 7 | S 7 | E 9 | E 9 | E 8 | E 10 | E 10 | E 11 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 |
| kJ | 118 | 228 | 29 | 29 | 81 | 86 | 83 | 65 | 46 | 14 | 13 | 13 | 17 | 19 | 36 | 35 | 33 | 31 | 31 | 31 | 17 | 17 | 16 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | SSE 10 | SSE 10 | E 9 | E 9 | E 11 | E 9 | E 9 | SSE 11 | SE 11 | SE 10 | SE 10 | SE 10 | S 10 | S 10 | S 10 | — | — | — | — | — | — |
| kJ | 42 | 28 | 21 | 20 | 14 | 14 | 37 | 14 | 15 | 11 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 81 | 81 | 183 | 183 | 81 | 0 | 0 | 0 | 0 | 0 | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 103 | 113 | 76 | 76 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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