Surf Forecasts:
How big are the waves at Arniston today (09 Sep):
- Morning surf: Morning surf (09 Sep, local time) - 3ft (0.9m), 9s period with E swell.
- Afternoon surf: Afternoon surf (09 Sep, local time) - 2.5ft (0.7m), 8s period with E swell.
- Evening surf: Evening surf (09 Sep, local time) - 2ft (0.6m), 13s period with SW swell.
The current surf forecast for Arniston at 1AM is: 1.1m 9s primary swell from a East direction and 0.6m 9s secondary swell from a South direction (forecast issued at 07:00pm September 08). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Sep) | 3ft (0.9m) | 9s |
| Afternoon (09 Sep) | 2.5ft (0.7m) | 8s |
| Evening (09 Sep) | 2ft (0.6m) | 13s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Tue night, min 14°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Tue 8 | Wednesday 9 | Thursday 10 | |||||||||||||||||
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 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | SW 13 | SW 13 | SW 12 | SSW 16 | SSW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 269 | 225 | 190 | 185 | 153 | 122 | 94 | 92 | 69 | 108 | 134 | 146 | 422 | 525 | 816 | 676 | 581 | 458 | 330 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | glassy | glassy | glassy | cross | cross | cross | cross | glassy | glassy | glassy | glassy | cross-on | cross-on | cross | cross | cross-off |
High Tide | 1:55AM1.76m | 2:17PM1.92m | 2:33AM1.86m | 2:52PM2.03m | |||||||||||||||
Low Tide | 7:56PM0.25m | 8:09AM0.14m | 8:35PM0.11m | 8:43AM0.05m | 9:09PM0.03m | ||||||||||||||
 |  | | | | | | | | | | | | |  | | |  | | |
 | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:25 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 20 | 21 | 19 | 18 | 17 | 19 | 18 | 16 | 15 | 15 | 15 | 14 | 14 | 16 | 16 | 16 | 15 | 15 |
Feels °C | 19 | 19 | 21 | 20 | 18 | 18 | 19 | 16 | 13 | 15 | 16 | 16 | 14 | 15 | 16 | 15 | 14 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | SW 13 | ESE 9 | SSW 16 | SSW 16 | SW 15 | SW 14 | SW 14 | SW 13 | SW 13 |
| kJ | 269 | 225 | 190 | 185 | 153 | 122 | 94 | 92 | 69 | 51 | 134 | 88 | 422 | 525 | 816 | 676 | 581 | 458 | 330 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSE 9 | S 9 | S 9 | SSE 9 | SW 14 | S 8 | SW 13 | SW 13 | SW 13 | E 9 | SW 12 | ESE 9 | SW 12 | ESE 9 | E 9 | ESE 9 | ESE 9 | ESE 10 |
| kJ | 66 | 66 | 59 | 40 | 26 | 97 | 37 | 61 | 61 | 108 | 56 | 146 | 82 | 137 | 84 | 57 | 62 | 65 | 51 |
Swell 3 Height (m) Direction Period (s) | SSW 11 | SW 11 | SW 11 | SW 11 | SW 14 | S 9 | SW 13 | SSE 8 | SSE 8 | S 3 | SSE 4 | SSW 17 | SW 12 | ESE 9 | SSE 9 | SSE 10 | SE 10 | SE 9 | SSW 13 |
| kJ | 45 | 58 | 41 | 41 | 54 | 39 | 88 | 23 | 24 | 4 | 5 | 117 | 118 | 84 | 8 | 10 | 4 | 3 | 101 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | S 3 | — | — | — | — | — | — | — | — | SSE 5 | SSE 5 |
| kJ | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | 4 | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 76 | 65 | 0 | 0 | 0 | 0 | 19 | 183 | 83 | 81 | 0 | 0 | 0 | 0 | 83 | 183 | 183 | 81 | 0 |
Best forecast wave conditions in Overberg | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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