Surf Forecasts:
How big are the waves at Arniston today (16 Oct):
- Morning surf: Morning surf (16 Oct, local time) - 4ft (1.2m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (16 Oct, local time) - 3ft (0.9m), 13s period with SSW swell.
- Evening surf: Evening surf (16 Oct, local time) - 5ft (1.5m), 12s period with SW swell.
The current surf forecast for Arniston at 3PM is: 0.9m 13s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a East direction (forecast issued at 07:00am October 16). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Oct) | 4ft (1.2m) | 13s |
| Afternoon (16 Oct) | 3ft (0.9m) | 13s |
| Evening (16 Oct) | 5ft (1.5m) | 12s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Sat afternoon. Warm (max 20°C on Fri morning, min 12°C on Sat night). Mainly strong winds. | |||||||||||||||||||||||
Friday 16 | Saturday 17 | Sunday 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) | SSW 13 | SW 13 | SW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SSW 13 | SSW 11 | SSW 12 | SSW 12 | SSW 11 | SSW 13 | SSW 12 | S 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 572 | 494 | 382 | 281 | 590 | 646 | 240 | 236 | 314 | 414 | 777 | 737 | 403 | 691 | 669 | 492 | 572 | 589 | 694 | 867 | 968 | 799 | 923 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross | cross | cross-off |
High Tide | 5:49PM1.38m | 6:25AM1.27m | 6:32PM1.23m | 7:44AM1.16m | 8:13PM1.12m | ||||||||||||||||||
Low Tide | 11:38AM0.62m | 00:03AM0.62m | 12:19PM0.77m | 00:58AM0.74m | 1:50PM0.89m | ||||||||||||||||||
 |  | |  | |  | | |  |  | | | |  | | | | | | |  | | | |
 | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:53 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 2 | 2 | 1 | 1 | — | 1 | 1 | 1 | — | 1 | 1 |
Temp °C | 17 | 17 | 20 | 19 | 19 | 19 | 18 | 17 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 |
Feels °C | 16 | 16 | 18 | 16 | 13 | 13 | 15 | 14 | 12 | 13 | 10 | 10 | 8 | 9 | 9 | 10 | 9 | 9 | 10 | 10 | 10 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SW 13 | SW 13 | SSW 13 | E 8 | E 8 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SSW 13 | SSW 11 | SSW 12 | SSW 12 | SSW 11 | SSW 13 | SSW 12 | S 12 | SSW 13 | SSW 13 | SSW 13 | SSW 13 |
| kJ | 572 | 494 | 382 | 281 | 22 | 22 | 240 | 236 | 314 | 414 | 777 | 737 | 403 | 691 | 669 | 492 | 572 | 589 | 694 | 867 | 968 | 799 | 923 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | — | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 13 | E 8 | E 8 | S 13 | SW 14 | SW 14 | SW 12 | SW 12 | E 8 | E 10 | E 9 |
| kJ | 35 | 35 | 22 | 22 | — | — | 12 | 12 | 12 | 12 | 12 | 12 | 183 | 5 | 5 | 81 | 401 | 304 | 227 | 73 | 6 | 7 | 6 |
Swell 3 Height (m) Direction Period (s) | E 9 | E 9 | WSW 11 | WSW 11 | — | — | — | — | E 8 | W 10 | — | — | E 8 | — | — | SW 15 | E 8 | E 8 | E 8 | E 8 | — | — | — |
| kJ | 36 | 36 | 12 | 12 | — | — | — | — | 13 | 18 | — | — | 12 | — | — | 116 | 5 | 5 | 5 | 5 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 3 | SW 12 | SW 12 | WSW 4 | WSW 4 | — | — | — | — | — | — | — | — | — | — | — | — | ESE 4 | S 4 | — |
| kJ | — | — | — | 3 | 590 | 646 | 20 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 24 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 0 | 0 | 19 | 174 | 174 | 103 | 0 | 103 | 105 | 113 | 139 | 183 | 261 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 113 | 113 | 135 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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