Surf Forecasts:
How big are the waves at Arniston today (12 Oct):
- Morning surf: Morning surf (12 Oct, local time) - 3ft (0.9m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (12 Oct, local time) - 5ft (1.5m), 11s period with SW swell.
- Evening surf: Evening surf (12 Oct, local time) - 3.5ft (1.1m), 11s period with SW swell.
The current surf forecast for Arniston at 1AM is: 1.0m 12s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a East-southeast direction (forecast issued at 07:00pm October 11). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Oct) | 3ft (0.9m) | 12s |
| Afternoon (12 Oct) | 5ft (1.5m) | 11s |
| Evening (12 Oct) | 3.5ft (1.1m) | 11s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 22°C on Mon morning, min 14°C on Mon night). Winds decreasing (strong winds from the WSW on Mon afternoon, light winds from the SSE by Tue night). | |||||||||||||||||||
Sun 11 | Monday 12 | Tuesday 13 | |||||||||||||||||
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 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 10 | SW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 365 | 299 | 294 | 289 | 319 | 314 | 231 | 544 | 524 | 229 | 286 | 276 | 239 | 234 | 234 | 234 | 196 | 171 | 139 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on |
High Tide | 3:25PM1.98m | 3:45AM1.82m | 3:53PM1.91m | 4:14AM1.76m | 4:21PM1.80m | ||||||||||||||
Low Tide | 9:41PM0.06m | 9:45AM0.18m | 10:07PM0.13m | 10:13AM0.26m | 10:33PM0.23m | ||||||||||||||
 |  | | |  |  | |  | |  | |  | | | | | | | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 16 | 15 | 15 | 16 | 22 | 21 | 17 | 15 | 15 | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 15 |
Feels °C | 15 | 15 | 14 | 14 | 12 | 14 | 17 | 13 | 10 | 11 | 14 | 12 | 12 | 13 | 14 | 11 | 11 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SSW 12 | E 9 | E 9 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 10 | SW 10 |
| kJ | 365 | 299 | 294 | 289 | 319 | 314 | 231 | 63 | 43 | 229 | 286 | 276 | 239 | 234 | 234 | 234 | 196 | 171 | 139 |
Swell 2 Height (m) Direction Period (s) | ESE 9 | ESE 9 | ESE 9 | ESE 10 | E 10 | E 10 | E 9 | — | — | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 |
| kJ | 28 | 28 | 29 | 31 | 47 | 47 | 64 | — | — | 43 | 63 | 63 | 81 | 79 | 59 | 24 | 25 | 56 | 52 |
Swell 3 Height (m) Direction Period (s) | ESE 5 | ESE 6 | ESE 6 | ESE 7 | E 7 | E 7 | — | — | — | — | E 11 | — | — | — | E 10 | ESE 11 | ESE 11 | — | — |
| kJ | 9 | 10 | 11 | 15 | 14 | 14 | — | — | — | — | 39 | — | — | — | 35 | 39 | 24 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WSW 2 | WSW 6 | SW 11 | SW 11 | SW 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 1 | 58 | 544 | 524 | 29 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 81 | 81 | 76 | 0 | 19 | 0 | 160 | 113 | 127 | 105 | 0 | 0 | 0 | 0 | 113 | 168 | 19 | 19 | 76 |
Best forecast wave conditions in Overberg | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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