Surf Forecasts:
How big are the waves at Extensions today (04 Oct):
- Morning surf: Morning surf (04 Oct, local time) - 4ft (1.2m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (04 Oct, local time) - 5.5ft (1.7m), 13s period with SW swell.
- Evening surf: Evening surf (04 Oct, local time) - 7ft (2.1m), 14s period with SW swell.
The current surf forecast for Extensions at 10PM is: 2.1m 14s primary swell from a Southwest direction (forecast issued at 01:00pm October 04). An open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Oct) | 4ft (1.2m) | 11s |
| Afternoon (04 Oct) | 5.5ft (1.7m) | 13s |
| Evening (04 Oct) | 7ft (2.1m) | 14s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Mon night. Warm (max 21°C on Sun afternoon, min 12°C on Wed morning). Winds increasing (calm on Sun night, strong winds from the SW by Tue morning). | |||||||||||||||||||||
Sun 4 | Monday 5 | Tuesday 6 | |||||||||||||||||||
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 | SW 12 | SW 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 14 | WSW 14 | WSW 13 | WSW 13 | SW 16 | WSW 16 | WSW 17 | WSW 16 | WSW 16 | WSW 16 | WSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 524 | 824 | 1299 | 1494 | 1568 | 1326 | 1092 | 974 | 868 | 730 | 1285 | 1432 | 1452 | 1236 | 1044 | 2058 | 3808 | 4161 | 9567 | 8995 | 8441 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | cross | cross | cross | glassy | glassy | on | cross-on | cross-on | on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off |
High Tide | 9:51AM1.08m | 10:36PM1.09m | 11:29AM1.18m | 00:00AM1.18m | 12:30PM1.33m | ||||||||||||||||
Low Tide | 4:21PM0.56m | 5:06AM0.48m | 5:56PM0.44m | 6:15AM0.37m | 6:52PM0.30m | ||||||||||||||||
 | | |  | | | | | | | |  |  |  |  |  | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | 6:50 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 2 | — | — | — | — | — |
Temp °C | 18 | 21 | 21 | 21 | 19 | 18 | 17 | 18 | 16 | 16 | 16 | 16 | 15 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 17 | 19 | 19 | 19 | 17 | 17 | 16 | 17 | 14 | 13 | 13 | 13 | 11 | 11 | 6 | 5 | 7 | 8 | 8 | 8 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 13 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 16 | WSW 10 | WSW 10 | WSW 16 | WSW 16 | WSW 16 |
| kJ | 524 | 824 | 1299 | 1494 | 1568 | 1326 | 1092 | 974 | 868 | 730 | 1285 | 1432 | 1452 | 1236 | 874 | 2058 | 1825 | 2115 | 9567 | 8995 | 8441 |
Swell 2 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | WSW 16 | SE 8 | SE 8 | SE 9 | SW 16 | SW 16 | WSW 12 | WSW 17 | WSW 16 | ESE 10 | ESE 10 | ESE 10 |
| kJ | 75 | 52 | 45 | 49 | 52 | 46 | 36 | 20 | 20 | 217 | 18 | 18 | 12 | 386 | 1044 | 405 | 3808 | 4161 | 18 | 19 | 20 |
Swell 3 Height (m) Direction Period (s) | WSW 11 | W 11 | W 10 | W 10 | — | — | — | SW 18 | — | SE 8 | SE 8 | — | — | ESE 9 | ESE 9 | — | ESE 9 | ESE 9 | — | — | — |
| kJ | 156 | 114 | 68 | 47 | — | — | — | 13 | — | 21 | 18 | — | — | 7 | 46 | — | 28 | 17 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 4 | W 4 | WSW 6 | WSW 8 | WSW 9 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 11 | 31 | 269 | 1093 | 1012 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 1 | 12 | 5 | 5 | 0 | 0 | 1 | 1 | 20 | 5 | 1 | 1 | 3 | 30 | 417 | 937 | 1049 | 26 | 26 | 12 |
Best forecast wave conditions in Cape Town | |||||||||||||||||||||
Best forecast wave conditions in South Africa | |||||||||||||||||||||
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