Surf Forecasts:
How big are the waves at Extensions today (24 Aug):
- Morning surf: Morning surf (24 Aug, local time) - 6ft (1.9m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (24 Aug, local time) - 5ft (1.5m), 11s period with WSW swell.
- Evening surf: Evening surf (24 Aug, local time) - 5ft (1.6m), 14s period with SW swell.
The current surf forecast for Extensions at 9PM is: 1.6m 14s primary swell from a Southwest direction and 1.4m 10s secondary swell from a Southwest direction (forecast issued at 01:00pm August 24). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Aug) | 6ft (1.9m) | 12s |
| Afternoon (24 Aug) | 5ft (1.5m) | 11s |
| Evening (24 Aug) | 5ft (1.6m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Wed afternoon, min 11°C on Mon night). Winds decreasing (near gales from the SE on Tue afternoon, light winds from the NE by Wed night). | |||||||||||||||||||||
Mon 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||||||
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 11 | WSW 11 | SSW 10 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 |
Wave Graph  | |||||||||||||||||||||
 kJ | 927 | 521 | 460 | 821 | 1308 | 2350 | 2458 | 2471 | 2323 | 2506 | 1831 | 1590 | 1264 | 1093 | 922 | 812 | 669 | 647 | 525 | 426 | 331 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off |
High Tide | 1:38PM1.18m | 1:41AM1.24m | 2:09PM1.31m | 2:14AM1.33m | 2:37PM1.42m | ||||||||||||||||
Low Tide | 7:45PM0.45m | 8:00AM0.31m | 8:17PM0.34m | 8:28AM0.21m | 8:47PM0.25m | ||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — |
 | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 13 | 12 | 12 | 11 | 12 | 13 | 15 | 14 | 15 | 13 | 13 | 12 | 13 | 14 | 17 | 19 | 18 | 16 |
Feels °C | 8 | 9 | 8 | 8 | 5 | 5 | 4 | 5 | 5 | 7 | 5 | 6 | 4 | 4 | 3 | 4 | 6 | 10 | 13 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 11 | WSW 11 | SSW 10 | SW 14 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | SSW 11 |
| kJ | 927 | 521 | 460 | 821 | 1308 | 2350 | 2458 | 2471 | 2323 | 2506 | 1831 | 1590 | 1264 | 1093 | 922 | 812 | 669 | 647 | 525 | 426 | 331 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 10 | WSW 11 | SW 10 | SW 10 | W 11 | W 11 | SSW 16 | SSW 16 | SSW 15 | SW 15 | SSW 15 | SSW 14 | SSW 11 | SSW 12 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | SSW 11 | WSW 12 |
| kJ | 121 | 283 | 422 | 363 | 348 | 154 | 86 | 105 | 226 | 279 | 217 | 339 | 357 | 204 | 309 | 163 | 180 | 173 | 221 | 280 | 328 |
Swell 3 Height (m) Direction Period (s) | — | SSW 14 | SW 16 | WSW 11 | W 11 | — | — | — | — | — | — | W 18 | W 18 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
| kJ | — | 168 | 314 | 308 | 238 | — | — | — | — | — | — | 6 | 6 | 99 | 86 | 193 | 256 | 259 | 329 | 304 | 228 |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSE 4 | SSE 4 | SE 4 | SE 4 | SE 4 | SE 5 | SE 5 | SE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 |
| kJ | 8 | 8 | 16 | 16 | 35 | 45 | 60 | 95 | 113 | 148 | 200 | 260 | 318 | 363 | 438 | 526 | 585 | 550 | 559 | 528 | 435 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 27 | 27 | 48 | 41 | 37 | 37 | 37 | 37 | 41 | 400 | 41 | 42 | 37 | 37 | 30 | 26 | 26 | 25 | 18 | 18 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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