Surf Forecasts:
How big are the waves at Arniston today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.1m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 3.5ft (1.1m), 14s period with SW swell.
- Evening surf: Evening surf (16 Sep, local time) - 3.5ft (1.1m), 13s period with WSW swell.
The current surf forecast for Arniston at 3PM is: 1.1m 14s primary swell from a Southwest direction and 1.2m 7s secondary swell from a South direction (forecast issued at 07:00am September 16). The wind direction is predicted to be onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3.5ft (1.1m) | 14s |
| Afternoon (16 Sep) | 3.5ft (1.1m) | 14s |
| Evening (16 Sep) | 3.5ft (1.1m) | 13s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Wed morning. Very mild (max 16°C on Fri night, min 14°C on Wed morning). Mainly fresh winds. | |||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||||||||
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) | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | SSW 11 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | ESE 6 | SSW 13 | E 7 | ESE 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1031 | 476 | 440 | 404 | 352 | 515 | 458 | 512 | 551 | 666 | 644 | 539 | 639 | 297 | 469 | 392 | 372 | 359 | 261 | 230 | 427 | 366 | 352 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 5:49PM1.55m | 6:09AM1.37m | 6:19PM1.38m | 6:46AM1.21m | 7:01PM1.21m | ||||||||||||||||||
Low Tide | 11:34AM0.47m | 00:00AM0.51m | 12:01PM0.62m | 00:33AM0.67m | 12:36PM0.78m | ||||||||||||||||||
 |  |  | | |  |  |  | | |  | | | | | | | | | | | | | |
 | 6:37 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — |
mm | 3 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 |
Feels °C | 8 | 7 | 9 | 9 | 8 | 7 | 7 | 7 | 7 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 8 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | S 7 | SW 13 | SW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | S 12 | SSW 11 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 1031 | 476 | 440 | 131 | 352 | 406 | 458 | 512 | 551 | 666 | 644 | 539 | 639 | 297 | 469 | 392 | 372 | 359 | 261 | 190 | 427 | 357 | 346 |
Swell 2 Height (m) Direction Period (s) | E 11 | E 11 | E 11 | SW 14 | E 10 | WSW 13 | SSW 8 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SW 12 | E 10 | E 10 | E 10 | — | SSW 15 | SSW 14 | — | SW 18 | SW 18 |
| kJ | 149 | 112 | 110 | 404 | 75 | 515 | 125 | 74 | 74 | 52 | 52 | 49 | 50 | 116 | 53 | 34 | 53 | — | 121 | 170 | — | 12 | 12 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | SW 9 | E 10 | WSW 9 | E 10 | E 10 | E 10 | — | — | — | — | — | E 10 | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 2 | 39 | 78 | 29 | 100 | 100 | 100 | — | — | — | — | — | 51 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 11 | SSW 10 | S 7 | — | S 7 | SSE 7 | SE 6 | SSE 7 | SSE 7 | SE 6 | SE 6 | ESE 6 | E 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | E 7 | ESE 7 |
| kJ | 690 | 343 | 128 | — | 113 | 297 | 217 | 306 | 259 | 135 | 131 | 112 | 64 | 107 | 115 | 137 | 146 | 159 | 223 | 230 | 322 | 366 | 352 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 107 | 183 | 183 | 226 | 246 | 246 | 139 | 139 | 81 | 81 | 246 | 319 | 854 | 319 | 81 | 81 | 81 | 81 | 189 | 192 | 197 | 192 | 184 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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