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 WSW swell.
- Afternoon surf: Afternoon surf (24 Aug, local time) - 4.5ft (1.4m), 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 7AM is: 2.0m 12s primary swell from a West-southwest direction and 0.3m 14s secondary swell from a South-southwest direction (forecast issued at 01:00am August 24). An open ocean swell of 0.4m 3s 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) | 4.5ft (1.4m) | 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 Tue morning). Winds decreasing (strong winds from the SE on Tue night, light winds from the NNE by Wed night). | ||||||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | 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 | 1177 | 1106 | 1100 | 829 | 455 | 422 | 821 | 1308 | 2350 | 2326 | 2471 | 2323 | 2506 | 1858 | 1590 | 1264 | 1093 | 922 | 812 | 669 | 573 | 466 | 419 | 353 |
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 | cross-off | cross-off | cross-off | off | off | off | off | off | off | off |
High Tide | 1:02AM1.13m | 1:38PM1.18m | 1:41AM1.24m | 2:09PM1.31m | 2:14AM1.33m | 2:37PM1.42m | ||||||||||||||||||
Low Tide | 7:28AM0.41m | 7:45PM0.45m | 8:00AM0.31m | 8:17PM0.34m | 8:28AM0.21m | 8:47PM0.25m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | 7:15 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 12 | 15 | 16 | 15 | 13 | 12 | 12 | 13 | 14 | 18 | 19 | 18 | 16 |
Feels °C | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 5 | 6 | 5 | 3 | 4 | 7 | 7 | 6 | 4 | 3 | 2 | 4 | 6 | 11 | 13 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 11 | 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 |
| kJ | 1177 | 1106 | 1100 | 829 | 455 | 422 | 821 | 1308 | 2350 | 2326 | 2471 | 2323 | 2506 | 1858 | 1590 | 1264 | 1093 | 922 | 812 | 669 | 573 | 466 | 419 | 353 |
Swell 2 Height (m) Direction Period (s) | — | — | SSW 14 | SSW 14 | SSW 10 | SSW 10 | 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 | SSW 11 |
| kJ | — | — | 36 | 121 | 283 | 354 | 363 | 348 | 154 | 86 | 105 | 226 | 279 | 217 | 334 | 357 | 247 | 304 | 145 | 145 | 170 | 217 | 214 | 263 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SSW 14 | SW 16 | WSW 11 | W 11 | — | — | — | — | — | — | W 18 | W 17 | SSW 16 | SSW 16 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 |
| kJ | — | — | — | — | 168 | 314 | 308 | 238 | — | — | — | — | — | — | 6 | 6 | 99 | 99 | 135 | 193 | 259 | 329 | 304 | 225 |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSE 3 | SSE 3 | SE 4 | SE 4 | SSE 4 | SSE 4 | SE 4 | SE 5 | SE 5 | SE 5 | SE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 3 | 4 | 8 | 10 | 11 | 18 | 21 | 46 | 53 | 63 | 87 | 129 | 154 | 188 | 241 | 297 | 341 | 398 | 498 | 606 | 559 | 565 | 608 | 530 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 27 | 30 | 48 | 37 | 33 | 37 | 37 | 37 | 41 | 400 | 41 | 41 | 37 | 37 | 37 | 26 | 25 | 25 | 25 | 18 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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