Surf Forecasts:
How big are the waves at Arniston today (07 Sep):
- Afternoon surf: Afternoon surf (07 Sep, local time) - 4ft (1.2m), 13s period with S swell.
- Evening surf: Evening surf (07 Sep, local time) - 3.5ft (1.1m), 12s period with S swell.
The current surf forecast for Arniston at 11PM is: 1.2m 12s primary swell from a South direction and 1.5m 8s secondary swell from a East-southeast direction (forecast issued at 07:00pm September 07). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | - | - |
| Afternoon (07 Sep) | 4ft (1.2m) | 13s |
| Evening (07 Sep) | 3.5ft (1.1m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Tue afternoon, min 14°C on Wed night). Wind will be generally light. | |||||||||||||||||||
Mon 7 | Tuesday 8 | Wednesday 9 | |||||||||||||||||
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) | S 13 | S 12 | S 12 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 473 | 347 | 409 | 297 | 258 | 270 | 269 | 269 | 269 | 230 | 194 | 185 | 153 | 122 | 122 | 94 | 73 | 108 | 134 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | glassy | cross-off | cross | cross | cross-on | cross-on | cross-on | cross | glassy | on | glassy | glassy | cross-on | cross | cross | cross-off | cross-off |
High Tide | 1:11AM1.62m | 1:40PM1.75m | 1:55AM1.76m | 2:17PM1.92m | |||||||||||||||
Low Tide | 7:11PM0.44m | 7:30AM0.28m | 7:56PM0.25m | 8:09AM0.14m | 8:35PM0.11m | ||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 23 | 21 | 21 | 21 | 21 | 20 | 23 | 24 | 20 | 19 | 21 | 19 | 17 | 17 | 19 | 19 | 17 | 16 | 15 |
Feels °C | 22 | 21 | 20 | 20 | 20 | 19 | 21 | 21 | 19 | 18 | 21 | 19 | 17 | 18 | 19 | 16 | 14 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 9 |
| kJ | 367 | 333 | 300 | 297 | 258 | 270 | 269 | 269 | 269 | 230 | 194 | 185 | 153 | 122 | 122 | 94 | 73 | 108 | 56 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | SSE 11 | S 11 | S 11 | SSE 10 | S 10 | SSE 9 | SSE 9 | S 9 | S 9 | SSE 9 | SW 14 | S 8 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 473 | 347 | 409 | 158 | 240 | 146 | 80 | 125 | 66 | 66 | 59 | 40 | 26 | 97 | 36 | 61 | 60 | 106 | 134 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SSW 13 | SW 13 | SSW 12 | SW 12 | SW 12 | SSW 11 | SW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 14 | S 9 | SW 13 | S 8 | SSE 8 | SSE 8 | SSE 4 |
| kJ | 89 | 98 | 85 | 150 | 92 | 116 | 51 | 32 | 45 | 58 | 41 | 41 | 54 | 39 | 88 | 35 | 23 | 24 | 5 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSE 3 | S 4 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 6 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 19 | 0 | 0 | 0 | 65 | 76 | 76 | 135 | 76 | 65 | 0 | 65 | 0 | 0 | 81 | 113 | 183 | 0 | 0 |
Best forecast wave conditions in Overberg | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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