Surf Forecasts:
How big are the waves at Arniston today (30 Jul):
- Morning surf: Morning surf (30 Jul, local time) - 3.5ft (1.1m), 13s period with SSW swell.
- Afternoon surf: Afternoon surf (30 Jul, local time) - 3.5ft (1.0m), 13s period with SSW swell.
- Evening surf: Evening surf (30 Jul, local time) - 6.5ft (2.0m), 6s period with E swell.
The current surf forecast for Arniston at 11AM is: 1.1m 13s primary swell from a South-southwest direction and 1.4m 7s secondary swell from a East direction (forecast issued at 07:00am July 30). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jul) | 3.5ft (1.1m) | 13s |
| Afternoon (30 Jul) | 3.5ft (1.0m) | 13s |
| Evening (30 Jul) | 6.5ft (2.0m) | 6s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Sat afternoon, min 13°C on Thu night). Winds decreasing (strong winds from the ENE on Thu night, light winds from the NNE by Sat night). | |||||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | |||||||||||||||||||||
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 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 9 | E 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 482 | 402 | 396 | 396 | 326 | 284 | 427 | 496 | 510 | 523 | 496 | 548 | 704 | 785 | 738 | 1033 | 741 | 692 | 708 | 724 | 673 | 673 | 655 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross |
High Tide | 4:01PM1.83m | 4:06AM1.77m | 4:30PM1.87m | 4:36AM1.76m | 4:59PM1.88m | ||||||||||||||||||
Low Tide | 9:49AM0.15m | 10:08PM0.26m | 10:16AM0.12m | 10:37PM0.24m | 10:43AM0.13m | ||||||||||||||||||
 |  |  | | | |  | | | | | | | | | | |  | | | | | | |
 | 7:35 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — | — | 7:33 | — | — | — | — | — | — |
 | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 14 | 13 | 13 | 14 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 17 | 19 | 20 | 19 | 18 |
Feels °C | 10 | 10 | 10 | 10 | 8 | 8 | 9 | 8 | 7 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 13 | 15 | 16 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SW 12 | SW 12 | SW 12 | SSW 12 | SW 12 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
| kJ | 482 | 402 | 396 | 396 | 326 | 269 | 282 | 222 | 212 | 159 | 154 | 118 | 98 | 72 | 738 | 773 | 741 | 692 | 708 | 724 | 673 | 673 | 655 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 9 | — | — | — | — | — | — | — | — | E 9 | SW 18 | SW 18 | SW 17 | SW 12 | SW 12 | SW 12 | SW 12 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 |
| kJ | 2 | 2 | — | — | — | — | — | — | — | — | 176 | 12 | 12 | 12 | 71 | 67 | 65 | 66 | 167 | 164 | 151 | 134 | 104 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | — | — | — | S 10 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | 40 | 39 | 34 | 75 | — | — | — | 8 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 6 | E 6 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | — | E 9 | — | — | — | — | — | — | — |
| kJ | 279 | 233 | 192 | 187 | 235 | 284 | 427 | 496 | 510 | 523 | 496 | 548 | 704 | 785 | — | 1033 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 81 | 83 | 81 | 81 | 81 | 81 | 81 | 83 | 83 | 83 | 81 | 81 | 81 | 81 | 76 | 76 | 76 | 76 | 65 | 76 | 81 | 76 | 65 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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