Surf Forecasts:
How big are the waves at Extensions today (29 Sep):
- Afternoon surf: Afternoon surf (29 Sep, local time) - 3.5ft (1.1m), 12s period with WSW swell.
- Evening surf: Evening surf (29 Sep, local time) - 3.5ft (1.0m), 12s period with WSW swell.
The current surf forecast for Extensions at 12AM is: 0.9m 12s primary swell from a West-southwest direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 07:00pm September 28). An open ocean swell of 2.3m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | - | - |
| Afternoon (29 Sep) | 3.5ft (1.1m) | 12s |
| Evening (29 Sep) | 3.5ft (1.0m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Wed night, min 12°C on Mon night). Winds decreasing (near gales from the ESE on Mon night, light winds from the SE by Wed afternoon). | |||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||
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 12 | WSW 12 | SW 14 | 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 |
Wave Graph  | |||||||||||||||||||
 kJ | 365 | 299 | 294 | 218 | 215 | 189 | 184 | 253 | 335 | 369 | 321 | 336 | 422 | 447 | 440 | 398 | 392 | 392 | 342 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 4:03PM1.68m | 4:25AM1.51m | 4:38PM1.62m | 5:03AM1.44m | 5:17PM1.51m | ||||||||||||||
Low Tide | 10:19PM-0.00m | 10:26AM0.10m | 10:55PM0.06m | 11:03AM0.18m | |||||||||||||||
 |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 13 | 12 | 12 | 12 | 16 | 22 | 22 | 20 | 18 | 17 | 19 | 21 | 24 | 26 | 25 | 25 | 27 |
Feels °C | 4 | 3 | 4 | 5 | 5 | 5 | 10 | 15 | 15 | 13 | 12 | 12 | 14 | 17 | 20 | 23 | 23 | 22 | 24 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SE 9 | SE 9 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | 365 | 299 | 294 | 218 | 215 | 171 | 184 | 253 | 335 | 369 | 321 | 336 | 351 | 269 | 440 | 398 | 392 | 392 | 342 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | WSW 11 | WSW 11 | WSW 11 | — | SW 16 | SW 16 | SW 14 | SW 14 | SE 8 | SE 8 | SE 8 | SE 15 | SE 10 |
| kJ | 10 | 10 | 34 | 76 | 130 | 189 | 109 | 74 | 42 | — | 130 | 129 | 422 | 447 | 156 | 112 | 112 | 9 | 192 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | SW 9 | SW 9 | — | — | — | — | SW 16 | — | — | — | — | — | W 16 | W 16 |
| kJ | — | — | — | — | — | 3 | 3 | — | — | — | — | 127 | — | — | — | — | — | 5 | 5 |
Wind waves Height (m) Direction Period (s) | SSE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 9 | — | — | — | SE 10 | ESE 6 |
| kJ | 888 | 830 | 606 | 469 | 499 | 598 | 661 | 581 | 765 | 828 | 569 | 433 | 864 | 660 | — | — | — | 163 | 80 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 48 | 42 | 37 | 26 | 26 | 26 | 18 | 25 | 25 | 25 | 18 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||
Header Global | |||||||||||||||||||
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