Surf Forecasts:
How big are the waves at Arniston today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 2.5ft (0.8m), 11s period with SSE swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 2ft (0.6m), 15s period with SW swell.
- Evening surf: Evening surf (29 Aug, local time) - 3.5ft (1.1m), 7s period with SW swell.
The current surf forecast for Arniston at 3PM is: 0.6m 15s primary swell from a Southwest direction and 0.8m 9s secondary swell from a East direction, 0.7m 11s secondary swell from a South-southeast direction (forecast issued at 07:00am August 29). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 2.5ft (0.8m) | 11s |
| Afternoon (29 Aug) | 2ft (0.6m) | 15s |
| Evening (29 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 16°C on Sat afternoon, min 10°C on Sun night). Winds decreasing (fresh winds from the SW on Sat afternoon, calm by Mon morning). | |||||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||||||||||
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) | SSE 12 | SSE 11 | SSE 11 | SW 16 | SW 10 | SW 7 | SSW 8 | SSW 8 | SSW 8 | SW 13 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 293 | 164 | 126 | 193 | 277 | 106 | 213 | 222 | 222 | 231 | 591 | 582 | 504 | 244 | 240 | 236 | 236 | 167 | 285 | 285 | 275 | 307 | 393 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | glassy | cross-on | cross-on | cross | off |
High Tide | 3:59PM2.01m | 4:12AM1.86m | 4:28PM2.01m | 4:43AM1.82m | 4:59PM1.96m | ||||||||||||||||||
Low Tide | 9:46AM0.05m | 10:10PM0.08m | 10:14AM0.06m | 10:40PM0.09m | 10:43AM0.11m | ||||||||||||||||||
 |  | | | | | | |  | |  | | |  | | | | | | | | | | |
 | 7:01 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — |
 | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 16 | 13 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 10 | 10 | 11 | 13 | 12 | 12 | 11 |
Feels °C | 14 | 13 | 14 | 13 | 7 | 8 | 8 | 8 | 9 | 11 | 11 | 10 | 9 | 10 | 11 | 11 | 8 | 8 | 10 | 11 | 9 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | SSE 12 | ESE 9 | E 9 | E 9 | E 9 | SW 9 | SW 14 | SSW 8 | SSW 8 | SSW 9 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 |
| kJ | 293 | 129 | 101 | 101 | 74 | 87 | 119 | 222 | 222 | 186 | 591 | 582 | 504 | 244 | 240 | 236 | 236 | 167 | 285 | 285 | 275 | 307 | 393 |
Swell 2 Height (m) Direction Period (s) | E 9 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | E 9 | SW 14 | SW 14 | SW 13 | E 10 | E 10 | E 9 | S 7 | S 7 | S 7 | S 6 | S 7 | E 9 | E 8 | E 8 | E 10 | E 11 |
| kJ | 162 | 164 | 126 | 126 | 100 | 98 | 39 | 116 | 149 | 231 | 29 | 29 | 14 | 86 | 83 | 65 | 22 | 44 | 13 | 13 | 13 | 19 | 21 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 16 | SW 15 | E 9 | SSE 11 | E 9 | E 9 | E 9 | SSE 10 | SSE 10 | SSE 10 | E 9 | E 9 | E 11 | SSW 7 | E 9 | SE 11 | SE 10 | SE 10 | SE 10 | S 10 |
| kJ | 78 | 84 | 83 | 193 | 106 | 54 | 68 | 38 | 42 | 24 | 21 | 20 | 20 | 14 | 14 | 35 | 20 | 14 | 4 | 4 | 4 | 4 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 10 | SW 7 | SSW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 277 | 106 | 213 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 19 | 0 | 0 | 0 | 156 | 140 | 107 | 81 | 19 | 81 | 81 | 183 | 183 | 81 | 81 | 0 | 0 | 0 | 0 | 177 | 19 | 76 | 0 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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