Surf Forecasts:
How big are the waves at Arniston today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 4.5ft (1.3m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 5ft (1.6m), 13s period with SSW swell.
- Evening surf: Evening surf (17 Oct, local time) - 5ft (1.6m), 12s period with SSW swell.
The current surf forecast for Arniston at 5AM is: 1.1m 12s primary swell from a Southwest direction and 0.3m 8s secondary swell from a East direction (forecast issued at 01:00am October 17). The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 4.5ft (1.3m) | 12s |
| Afternoon (17 Oct) | 5ft (1.6m) | 13s |
| Evening (17 Oct) | 5ft (1.6m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Sun morning. Very mild (max 15°C on Sat morning, min 11°C on Sat night). Winds increasing (light winds from the WSW on Sun night, fresh winds from the SW by Mon afternoon). | ||||||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | ||||||||||||||||||||||
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 | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 11 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 314 | 319 | 407 | 845 | 822 | 514 | 680 | 746 | 483 | 572 | 549 | 619 | 703 | 894 | 799 | 763 | 715 | 626 | 545 | 500 | 464 | 464 | 414 | 341 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 6:25AM1.27m | 6:32PM1.23m | 7:44AM1.16m | 8:13PM1.12m | 10:18AM1.18m | 10:46PM1.15m | ||||||||||||||||||
Low Tide | 00:03AM0.62m | 12:19PM0.77m | 00:58AM0.74m | 1:50PM0.89m | 3:04AM0.81m | 4:50PM0.86m | ||||||||||||||||||
 | |  | | | |  | | | |  | | | | |  |  | |  | | |  | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:55 | — | — |
mm | — | — | 1 | 2 | 1 | 1 | 1 | — | 1 | 1 | 6 | 2 | 3 | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 14 |
Feels °C | 14 | 13 | 13 | 10 | 9 | 10 | 10 | 10 | 9 | 9 | 7 | 8 | 9 | 9 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 10 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SSW 14 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 11 | SSW 13 | SSW 12 | SSW 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 11 |
| kJ | 314 | 319 | 407 | 845 | 822 | 514 | 680 | 746 | 483 | 572 | 549 | 619 | 703 | 894 | 799 | 763 | 715 | 626 | 545 | 500 | 464 | 464 | 414 | 341 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | SW 12 | E 8 | E 8 | S 13 | SW 14 | SW 14 | SW 13 | SW 12 | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 |
| kJ | 12 | 12 | 12 | 12 | 12 | 248 | 5 | 5 | 123 | 203 | 336 | 190 | 181 | 5 | 6 | 6 | 6 | 14 | 14 | 10 | 10 | 18 | 18 | 11 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 8 | W 10 | — | — | E 8 | — | — | SW 15 | SW 12 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — | E 9 |
| kJ | 24 | 13 | 18 | — | — | 12 | — | — | 116 | 135 | 5 | 5 | 5 | — | — | — | — | — | — | — | — | — | — | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 4 | WSW 3 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 24 | 6 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 110 | 103 | 113 | 139 | 135 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 76 | 0 | 0 | 0 | 103 | 0 | 0 | 120 | 168 | 167 | 110 | 0 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
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