Surf Forecasts:
How big are the waves at Arniston today (25 Aug):
- Morning surf: Morning surf (25 Aug, local time) - 5ft (1.5m), 14s period with SSW swell.
- Afternoon surf: Afternoon surf (25 Aug, local time) - 5ft (1.5m), 15s period with SSW swell.
- Evening surf: Evening surf (25 Aug, local time) - 5ft (1.5m), 14s period with SSW swell.
The current surf forecast for Arniston at 12PM is: 1.6m 15s primary swell from a South-southwest direction and 0.1m 9s secondary swell from a East direction (forecast issued at 07:00am August 25). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Aug) | 5ft (1.5m) | 14s |
| Afternoon (25 Aug) | 5ft (1.5m) | 15s |
| Evening (25 Aug) | 5ft (1.5m) | 14s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Thu morning, min 13°C on Tue morning). Winds decreasing (strong winds from the E on Wed afternoon, calm by Thu night). | |||||||||||||||||||||||
Tuesday 25 | Wednesday 26 | Thursday 27 | |||||||||||||||||||||
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 15 | SW 14 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 13 | SSW 13 | SSW 13 | S 16 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | S 12 | ESE 8 | S 12 | S 12 | S 11 | S 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 1087 | 811 | 1209 | 974 | 886 | 862 | 640 | 307 | 350 | 422 | 513 | 646 | 771 | 730 | 860 | 819 | 885 | 538 | 424 | 526 | 508 | 491 | 474 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross | on | on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | glassy | cross | cross-off | cross-off | off |
High Tide | 2:11PM1.61m | 2:15AM1.65m | 2:38PM1.75m | 2:44AM1.75m | 3:05PM1.87m | ||||||||||||||||||
Low Tide | 8:03AM0.37m | 8:19PM0.42m | 8:29AM0.25m | 8:47PM0.30m | 8:54AM0.15m | 9:14PM0.19m | |||||||||||||||||
 |  | |  | |  | | | | | |  | | | |  | | | | | | | | |
 | 7:07 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — |
 | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 14 | 15 | 17 | 20 | 20 | 18 | 15 | 15 |
Feels °C | 12 | 11 | 11 | 12 | 12 | 11 | 9 | 7 | 7 | 6 | 7 | 8 | 7 | 8 | 11 | 11 | 13 | 15 | 19 | 18 | 16 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SW 14 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 13 | SSW 13 | SSW 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | E 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 |
| kJ | 1087 | 811 | 1209 | 974 | 886 | 862 | 640 | 307 | 350 | 347 | 404 | 397 | 404 | 404 | 472 | 819 | 645 | 521 | 424 | 380 | 333 | 315 | 311 |
Swell 2 Height (m) Direction Period (s) | — | SSW 16 | E 9 | E 10 | E 10 | E 10 | SW 14 | S 6 | SW 12 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 12 | S 12 | S 12 | S 11 | S 12 | S 12 | S 11 | S 11 |
| kJ | — | 273 | 2 | 2 | 2 | 2 | 164 | 54 | 126 | 422 | 513 | 501 | 401 | 310 | 172 | 456 | 538 | 538 | 418 | 526 | 508 | 491 | 474 |
Swell 3 Height (m) Direction Period (s) | — | E 9 | — | — | — | — | SSW 16 | SW 13 | S 16 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | S 15 | WSW 12 | WSW 12 | SSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 12 |
| kJ | — | 2 | — | — | — | — | 87 | 190 | 190 | 138 | 82 | 83 | 82 | 57 | 39 | 163 | 15 | 14 | 129 | 13 | 13 | 13 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | ESE 2 | E 10 | ESE 5 | ESE 6 | ESE 6 | E 7 | E 7 | E 7 | E 7 | E 8 | — | E 8 | — | — | — | W 3 | W 4 | WSW 4 |
| kJ | — | — | — | — | — | 1 | 2 | 56 | 188 | 310 | 465 | 646 | 771 | 730 | 860 | — | 885 | — | — | — | 3 | 7 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 81 | 81 | 81 | 81 | 139 | 81 | 81 | 144 | 144 | 144 | 140 | 137 | 107 | 81 | 83 | 76 | 65 | 0 | 0 | 19 | 0 | 0 | 0 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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