Surf Forecasts:
How big are the waves at Arniston today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 3.5ft (1.0m), 11s period with S swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 2.5ft (0.7m), 9s period with S swell.
- Evening surf: Evening surf (20 Jun, local time) - 2.5ft (0.7m), 9s period with S swell.
The current surf forecast for Arniston at 8PM is: 0.7m 9s primary swell from a South direction and 0.8m 7s secondary swell from a East-southeast direction (forecast issued at 01:00pm June 20). The wind direction is predicted to be cross-shore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 3.5ft (1.0m) | 11s |
| Afternoon (20 Jun) | 2.5ft (0.7m) | 9s |
| Evening (20 Jun) | 2.5ft (0.7m) | 9s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sun night. Warm (max 23°C on Sat afternoon, min 15°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 20 | Sunday 21 | Monday 22 | Tue 23 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 10 | S 9 | SW 12 | S 9 | SW 12 | SSW 15 | SW 15 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SW 12 | SSW 12 | SSW 12 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 177 | 85 | 110 | 78 | 84 | 146 | 314 | 362 | 390 | 469 | 469 | 437 | 424 | 431 | 463 | 463 | 352 | 304 | 351 | 335 | 287 | 251 | 309 | 508 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | glassy | cross-off | cross-off | glassy | glassy | cross-on | cross-on | on | glassy | cross | cross-off | cross | cross | glassy | on | cross-off | cross-off | cross-off | off | glassy |
High Tide | 7:41PM1.63m | 8:04AM1.35m | 8:39PM1.54m | 9:13AM1.26m | 9:44PM1.47m | |||||||||||||||||||
Low Tide | 1:15PM0.41m | 2:10AM0.52m | 2:08PM0.53m | 3:16AM0.59m | 3:10PM0.64m | 4:28AM0.61m | ||||||||||||||||||
 | |  |  |  | | |  | | | | |  |  | | | | | |  | | | | | |
 | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:46 | — |
 | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | 5:36 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 22 | 23 | 23 | 21 | 21 | 21 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 16 | 17 | 18 | 20 | 21 | 17 | 17 | 16 | 15 | 15 |
Feels °C | 15 | 19 | 21 | 21 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 16 | 15 | 16 | 17 | 20 | 21 | 15 | 17 | 15 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | E 6 | ESE 6 | ESE 7 | ESE 7 | E 7 | E 7 | SW 15 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SSW 13 | SSW 13 | SSW 13 | SW 12 | SSW 12 | SSW 12 | SSW 14 |
| kJ | 81 | 68 | 73 | 60 | 57 | 44 | 314 | 362 | 390 | 469 | 469 | 437 | 424 | 431 | 463 | 463 | 352 | 304 | 351 | 335 | 287 | 251 | 309 | 508 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 9 | S 9 | S 9 | S 9 | S 9 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ESE 7 | ESE 8 | S 15 | S 15 | ESE 5 | ESE 5 |
| kJ | 177 | 85 | 79 | 78 | 56 | 55 | 45 | 34 | 33 | 32 | 32 | 43 | 46 | 43 | 43 | 44 | 30 | 29 | 16 | 26 | 115 | 170 | 5 | 5 |
Swell 3 Height (m) Direction Period (s) | SW 12 | SSW 11 | SW 12 | SW 12 | SW 12 | SSW 15 | S 8 | S 8 | S 8 | S 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 7 | SE 5 | SSW 16 | E 9 |
| kJ | 52 | 50 | 110 | 68 | 84 | 146 | 51 | 34 | 33 | 33 | 23 | 17 | 17 | 11 | 6 | 6 | 2 | 2 | 2 | 2 | 9 | 6 | 51 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 76 | 76 | 76 | 19 | 0 | 0 | 0 | 0 | 0 | 76 | 76 | 76 | 0 | 76 | 0 | 76 | 76 | 0 | 110 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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