Surf Forecasts:
How big are the waves at Arniston today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 8ft (2.4m), 10s period with ESE swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 7ft (2.2m), 10s period with ESE swell.
- Evening surf: Evening surf (14 Sep, local time) - 6ft (1.8m), 10s period with ESE swell.
The current surf forecast for Arniston at 12PM is: 2.3m 10s primary swell from a East-southeast direction and 0.8m 12s secondary swell from a South-southwest direction (forecast issued at 07:00am September 14). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 11.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 8ft (2.4m) | 10s |
| Afternoon (14 Sep) | 7ft (2.2m) | 10s |
| Evening (14 Sep) | 6ft (1.8m) | 10s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Tue night. Warm (max 22°C on Tue afternoon, min 12°C on Tue night). Winds increasing (calm on Mon afternoon, strong winds from the WSW by Tue night). | |||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||||||||
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) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 10 | W 7 | SW 17 | E 11 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1357 | 1255 | 1045 | 935 | 850 | 698 | 610 | 555 | 477 | 426 | 522 | 427 | 381 | 358 | 435 | 685 | 536 | 453 | 456 | 465 | 406 | 479 | 692 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | glassy | glassy | cross-on | glassy | off | cross-off | off | off | off | off | off | cross-off | cross | cross-off | cross | cross-on | cross-on | cross-on | on | on |
High Tide | 4:54PM1.87m | 5:11AM1.66m | 5:21PM1.71m | 5:39AM1.52m | 5:49PM1.55m | ||||||||||||||||||
Low Tide | 10:42AM0.20m | 11:07PM0.22m | 11:08AM0.33m | 11:33PM0.36m | 11:34AM0.47m | ||||||||||||||||||
 |  | | | |  |  | |  |  | |  | | | | | |  | | | | |  | |
 | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | 4 | 1 | 3 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | 5 | 3 | 1 | — | — | — | — | 1 |
Temp °C | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 19 | 22 | 20 | 18 | 15 | 13 | 12 | 14 | 15 | 15 | 14 | 14 | 14 |
Feels °C | 17 | 17 | 15 | 17 | 18 | 16 | 17 | 16 | 14 | 14 | 16 | 18 | 14 | 12 | 7 | 7 | 8 | 6 | 9 | 10 | 9 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | E 10 | ESE 10 | ESE 10 | E 10 | E 11 | E 11 | E 11 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 14 |
| kJ | 1357 | 1255 | 1045 | 935 | 850 | 698 | 610 | 555 | 477 | 426 | 418 | 360 | 381 | 338 | 286 | 685 | 536 | 453 | 456 | 465 | 406 | 479 | 692 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SW 11 | SW 10 | SW 17 | SSW 16 | SW 16 | SW 15 | E 11 | E 11 | E 11 | SW 9 | E 10 | E 10 | E 10 | SSW 8 |
| kJ | 257 | 196 | 169 | 125 | 123 | 91 | 90 | 90 | 81 | 46 | 129 | 427 | 330 | 358 | 435 | 231 | 146 | 112 | 95 | 80 | 77 | 75 | 203 |
Swell 3 Height (m) Direction Period (s) | — | — | — | WSW 6 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | SSW 15 | S 10 | S 10 | SW 11 | WSW 10 | E 11 | SSW 12 | E 11 | S 11 | E 11 | SW 9 | E 10 | E 10 | E 10 |
| kJ | — | — | — | 4 | 9 | 11 | 32 | 26 | 22 | 23 | 8 | 7 | 72 | 52 | 335 | 14 | 182 | 2 | 110 | 62 | 104 | 102 | 100 |
Wind waves Height (m) Direction Period (s) | — | — | W 3 | W 6 | W 6 | — | — | W 8 | W 8 | WSW 8 | W 7 | WNW 2 | WSW 8 | W 4 | WSW 10 | SW 5 | SW 10 | SSW 10 | S 7 | S 7 | S 7 | S 7 | SSE 7 |
| kJ | — | — | 5 | 123 | 157 | — | — | 208 | 277 | 13 | 522 | 1 | 94 | 10 | 179 | 42 | 275 | 370 | 147 | 152 | 183 | 212 | 339 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 65 | 19 | 65 | 19 | 19 | 19 | 0 | 0 | 0 | 0 | 65 | 0 | 65 | 65 | 65 | 183 | 107 | 183 | 183 | 187 | 246 | 246 | 81 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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