Surf Forecasts:
How big are the waves at Extensions today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 2.5ft (0.8m), 12s period with WSW swell.
- Afternoon surf: Afternoon surf (29 Sep, local time) - 3ft (0.9m), 13s period with SW swell.
- Evening surf: Evening surf (29 Sep, local time) - 3.5ft (1.1m), 13s period with SW swell.
The current surf forecast for Extensions at 1PM is: 0.8m 14s primary swell from a Southwest direction and 0.6m 11s secondary swell from a West-southwest direction (forecast issued at 07:00am September 29). An open ocean swell of 2.0m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | 2.5ft (0.8m) | 12s |
| Afternoon (29 Sep) | 3ft (0.9m) | 13s |
| Evening (29 Sep) | 3.5ft (1.1m) | 13s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Wed afternoon, min 12°C on Tue morning). Winds decreasing (strong winds from the ESE on Tue night, light winds from the SE by Wed morning). | |||||||||||||||||||||||
Tuesday 29 | Wednesday 30 | Thursday 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) | WSW 12 | WSW 12 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 215 | 155 | 184 | 253 | 335 | 369 | 321 | 336 | 422 | 447 | 440 | 398 | 392 | 386 | 342 | 331 | 273 | 227 | 216 | 209 | 205 | 167 | 161 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | off | off | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:38PM1.62m | 5:03AM1.44m | 5:17PM1.51m | 5:45AM1.33m | 6:02PM1.37m | ||||||||||||||||||
Low Tide | 10:26AM0.10m | 10:55PM0.06m | 11:03AM0.18m | 11:35PM0.17m | 11:46AM0.29m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | | | | |
 | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:47 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 16 | 22 | 22 | 20 | 17 | 18 | 19 | 21 | 24 | 28 | 27 | 28 | 28 | 25 | 16 | 16 | 20 | 18 | 16 | 17 | 16 |
Feels °C | 5 | 5 | 10 | 15 | 14 | 12 | 11 | 14 | 14 | 16 | 20 | 24 | 23 | 24 | 25 | 20 | 12 | 12 | 15 | 12 | 13 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SE 8 | SE 9 | SW 14 | SW 13 | SW 13 | SW 13 | SE 10 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 |
| kJ | 215 | 153 | 184 | 253 | 335 | 369 | 321 | 336 | 313 | 235 | 440 | 398 | 392 | 386 | 226 | 331 | 273 | 227 | 216 | 209 | 205 | 167 | 161 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | WSW 11 | WSW 11 | WSW 11 | — | SW 16 | SW 16 | SW 14 | SW 14 | SE 8 | SE 10 | — | W 16 | SW 13 | SE 10 | SE 10 | SE 12 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 |
| kJ | 130 | 155 | 109 | 74 | 41 | — | 130 | 129 | 422 | 447 | 156 | 27 | — | 5 | 342 | 200 | 117 | 158 | 150 | 99 | 60 | 60 | 43 |
Swell 3 Height (m) Direction Period (s) | — | SW 9 | SW 9 | — | — | — | — | SW 16 | — | — | — | — | — | — | W 16 | — | SE 12 | — | — | — | NW 15 | NW 15 | NW 15 |
| kJ | — | 3 | 3 | — | — | — | — | 127 | — | — | — | — | — | — | 5 | — | 51 | — | — | — | 8 | 8 | 8 |
Wind waves Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 9 | ESE 9 | SE 8 | SE 10 | SE 10 | — | NW 3 | NNW 4 | NNW 4 | NNW 5 | NW 6 | NW 6 | NW 5 | NW 5 |
| kJ | 499 | 598 | 567 | 482 | 746 | 875 | 530 | 433 | 787 | 595 | 444 | 129 | 185 | 251 | — | 3 | 16 | 52 | 119 | 124 | 76 | 52 | 31 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 26 | 26 | 18 | 25 | 26 | 26 | 18 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 24 | 35 | 35 | 25 | 34 | 1 | 1 | 1 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||||
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