Surf Forecasts:
How big are the waves at Arniston today (15 Jul):
- Afternoon surf: Afternoon surf (15 Jul, local time) - 3.5ft (1.0m), 17s period with SW swell.
- Evening surf: Evening surf (15 Jul, local time) - 6ft (1.8m), 15s period with SW swell.
The current surf forecast for Arniston at 10PM is: 1.9m 15s primary swell from a South-southwest direction and 0.7m 9s secondary swell from a East direction (forecast issued at 07:00pm July 15). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Jul) | - | - |
| Afternoon (15 Jul) | 3.5ft (1.0m) | 17s |
| Evening (15 Jul) | 6ft (1.8m) | 15s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 18°C on Sat afternoon, min 13°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 15 | Thursday 16 | Friday 17 | Sat 18 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 13 | SW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 12 | SW 11 | SW 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 729 | 1453 | 1447 | 1427 | 1227 | 1065 | 845 | 721 | 572 | 486 | 504 | 545 | 527 | 426 | 311 | 305 | 275 | 204 | 183 | 151 | 208 | 228 | 229 | 899 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | glassy | cross | cross-off | off | off | off | off | off | cross-off |
High Tide | 4:12PM1.97m | 4:26AM1.89m | 4:53PM1.98m | 5:07AM1.81m | 5:34PM1.93m | 5:48AM1.69m | ||||||||||||||||||
Low Tide | 10:26PM0.12m | 10:40AM0.02m | 11:09PM0.14m | 11:18AM0.09m | 11:52PM0.22m | 11:55AM0.20m | ||||||||||||||||||
 |  |  |  | |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:41 | — | — | — |
 | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:46 | — | — | — | — | — | — | 5:47 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 14 | 14 | 14 | 13 | 13 | 14 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 16 | 18 |
Feels °C | 12 | 12 | 13 | 13 | 12 | 12 | 13 | 13 | 12 | 13 | 12 | 12 | 13 | 14 | 14 | 17 | 16 | 15 | 14 | 13 | 13 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SSW 13 | SW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 10 | SSW 10 | SSW 10 | S 10 | S 12 | SW 11 | SW 10 |
| kJ | 729 | 1453 | 1447 | 1427 | 1227 | 1065 | 845 | 721 | 572 | 486 | 504 | 545 | 527 | 426 | 311 | 305 | 275 | 204 | 183 | 151 | 208 | 228 | 229 | 276 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 11 | E 11 | E 11 | E 11 | E 10 | E 10 | S 13 | S 13 | E 10 | SW 9 | S 11 | S 11 |
| kJ | 108 | 108 | 85 | 63 | 63 | 62 | 46 | 47 | 48 | 48 | 50 | 54 | 56 | 56 | 55 | 55 | 54 | 52 | 89 | 119 | 32 | 85 | 119 | 89 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 10 | S 9 | — | — | — | — | — | — | — | — | — | — | — | S 15 | S 14 | S 13 | E 10 | E 10 | SSE 15 | E 10 | E 10 | E 10 |
| kJ | 3 | 3 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | — | 4 | 16 | 56 | 32 | 32 | 21 | 31 | 31 | 32 |
Wind waves Height (m) Direction Period (s) | SW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 10 |
| kJ | 191 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 899 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 167 | 0 | 0 | 0 | 0 | 0 | 0 | 103 | 76 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 105 |
Best forecast wave conditions in Overberg | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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