Surf Forecasts:
How big are the waves at Arniston today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 4ft (1.2m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 4.5ft (1.3m), 14s period with SW swell.
- Evening surf: Evening surf (10 Sep, local time) - 3.5ft (1.1m), 13s period with SW swell.
The current surf forecast for Arniston at 3AM is: 0.7m 12s primary swell from a Southwest direction and 0.6m 9s secondary swell from a East direction (forecast issued at 07:00pm September 09). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 4ft (1.2m) | 16s |
| Afternoon (10 Sep) | 4.5ft (1.3m) | 14s |
| Evening (10 Sep) | 3.5ft (1.1m) | 13s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sat morning. Very mild (max 16°C on Thu morning, min 14°C on Wed night). Winds increasing (calm on Thu night, strong winds from the ESE by Sat afternoon). | |||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | |||||||||||||||||
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) | E 8 | SW 13 | SW 13 | SW 12 | SSW 16 | SSW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | S 6 | SSE 7 | SSE 7 | SE 7 | SE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 69 | 108 | 134 | 146 | 422 | 525 | 816 | 676 | 581 | 458 | 330 | 273 | 239 | 187 | 135 | 230 | 315 | 287 | 215 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | glassy | glassy | cross | glassy | cross | cross | cross | cross-off | cross-off | glassy | cross-on | on | on | on | on | on | on |
High Tide | 2:17PM1.92m | 2:33AM1.86m | 2:52PM2.03m | 3:08AM1.91m | 3:25PM2.08m | ||||||||||||||
Low Tide | 8:35PM0.11m | 8:43AM0.05m | 9:09PM0.03m | 9:16AM0.01m | 9:42PM-0.00m | ||||||||||||||
 |  | | | | |  |  | |  | | |  | | | | | | | |
 | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 15 | 14 | 14 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 16 |
Feels °C | 14 | 15 | 16 | 16 | 14 | 14 | 15 | 14 | 14 | 15 | 15 | 16 | 15 | 14 | 12 | 11 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | E 8 | ESE 8 | SW 13 | SW 12 | SSW 16 | SSW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SSW 7 | SW 12 | SW 12 | WSW 12 | SSE 7 | SSE 7 |
| kJ | 69 | 82 | 134 | 146 | 422 | 525 | 816 | 676 | 581 | 458 | 330 | 273 | 239 | 64 | 124 | 172 | 98 | 278 | 198 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | E 9 | E 9 | ESE 9 | SW 12 | E 9 | E 9 | ESE 9 | E 9 | SSW 13 | E 10 | SSW 7 | SW 12 | SSW 12 | E 10 | SSW 11 | SW 12 | SW 12 |
| kJ | 61 | 108 | 55 | 56 | 65 | 137 | 60 | 59 | 64 | 42 | 101 | 50 | 30 | 187 | 81 | 16 | 71 | 116 | 84 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 4 | SSW 17 | SW 12 | E 9 | SSE 9 | SSE 10 | SSE 10 | SE 9 | E 10 | SSW 13 | ESE 10 | SSW 12 | E 10 | — | E 11 | SSW 11 | SSW 10 |
| kJ | 24 | 14 | 4 | 117 | 118 | 60 | 8 | 9 | 9 | 3 | 49 | 60 | 33 | 83 | 30 | — | 9 | 39 | 34 |
Wind waves Height (m) Direction Period (s) | SSE 3 | — | — | — | SSE 4 | — | — | — | — | — | — | — | — | — | S 6 | SSE 7 | SSE 7 | SE 7 | SE 7 |
| kJ | 3 | — | — | — | 3 | — | — | — | — | — | — | — | — | — | 135 | 230 | 315 | 287 | 215 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 83 | 81 | 0 | 0 | 19 | 0 | 105 | 183 | 113 | 0 | 0 | 0 | 81 | 81 | 191 | 191 | 246 | 191 | 81 |
Best forecast wave conditions in Overberg | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
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