Surf Forecasts:
How big are the waves at Arniston today (19 Jul):
- Morning surf: Morning surf (19 Jul, local time) - 2ft (0.6m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (19 Jul, local time) - 4.5ft (1.4m), 11s period with SW swell.
- Evening surf: Evening surf (19 Jul, local time) - 3.5ft (1.0m), 9s period with SW swell.
The current surf forecast for Arniston at 8PM is: 1.0m 9s primary swell from a Southwest direction and 0.8m 11s secondary swell from a South-southwest direction (forecast issued at 01:00pm July 19). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | 2ft (0.6m) | 12s |
| Afternoon (19 Jul) | 4.5ft (1.4m) | 11s |
| Evening (19 Jul) | 3.5ft (1.0m) | 9s |
Table - waves today at Arniston. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Very mild (max 16°C on Mon afternoon, min 12°C on Tue morning). Winds decreasing (strong winds from the W on Sun afternoon, calm by Tue morning). | |||||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||
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 | WSW 12 | SW 10 | SW 9 | SW 11 | SW 12 | SW 11 | SW 11 | SW 10 | ESE 11 | ESE 11 | SE 11 | SE 11 | SE 11 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 236 | 449 | 380 | 156 | 389 | 383 | 320 | 229 | 133 | 227 | 223 | 288 | 363 | 293 | 678 | 1016 | 1267 | 1318 | 1208 | 936 | 799 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | glassy | cross-on | cross-on | on | cross-on |
High Tide | 6:53PM1.71m | 7:11AM1.41m | 7:35PM1.56m | 8:00AM1.28m | 8:26PM1.42m | ||||||||||||||||
Low Tide | 12:32PM0.34m | 1:16AM0.45m | 1:09PM0.49m | 2:03AM0.57m | 1:53PM0.64m | ||||||||||||||||
 |  |  |  | | | |  | | | | | | | | | | | | |  | |
 | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — |
 | — | — | 5:47 | — | — | — | — | — | — | — | 5:49 | — | — | — | — | — | — | — | 5:50 | — | — |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 16 | 15 | 15 | 14 | 13 | 13 | 12 | 13 | 14 | 14 | 14 | 13 |
Feels °C | 12 | 7 | 8 | 8 | 10 | 10 | 10 | 10 | 11 | 15 | 12 | 12 | 13 | 12 | 12 | 10 | 12 | 13 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SE 9 | SE 9 | SW 9 | SW 11 | SW 12 | SW 11 | SW 11 | SW 10 | ESE 11 | ESE 11 | SE 11 | SE 11 | SE 11 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 |
| kJ | 236 | 67 | 81 | 156 | 389 | 383 | 320 | 229 | 133 | 227 | 223 | 288 | 363 | 293 | 678 | 1016 | 1267 | 1318 | 1208 | 936 | 799 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SSE 10 | SSE 10 | SSW 11 | SE 10 | ESE 10 | ESE 10 | ESE 9 | SE 9 | SW 11 | SW 10 | SW 8 | SSW 16 | SSW 16 | SE 11 | SE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 11 | ESE 10 |
| kJ | 65 | 33 | 33 | 154 | 142 | 168 | 161 | 113 | 88 | 117 | 151 | 41 | 273 | 259 | 283 | 278 | 247 | 242 | 200 | 176 | 170 |
Swell 3 Height (m) Direction Period (s) | S 10 | E 10 | SSW 14 | SE 10 | SSE 10 | SSE 9 | SSE 9 | SE 13 | ESE 12 | SW 9 | SSE 9 | SW 10 | SW 8 | SW 12 | W 9 | E 10 | W 9 | W 9 | W 9 | W 9 | — |
| kJ | 52 | 17 | 40 | 117 | 18 | 17 | 17 | 45 | 90 | 64 | 26 | 52 | 31 | 112 | 43 | 2 | 25 | 14 | 14 | 6 | — |
Wind waves Height (m) Direction Period (s) | WNW 3 | WSW 12 | SW 10 | W 4 | W 4 | WNW 3 | — | WNW 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 449 | 380 | 14 | 6 | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 156 | 149 | 103 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 19 | 0 | 0 | 0 | 0 | 0 | 76 | 135 | 81 | 76 |
Best forecast wave conditions in Overberg | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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