Surf Forecasts:
How big are the waves at Extensions today (20 Jun):
- Afternoon surf: Afternoon surf (20 Jun, local time) - 5ft (1.5m), 12s period with SW swell.
- Evening surf: Evening surf (20 Jun, local time) - 4ft (1.2m), 11s period with WSW swell.
The current surf forecast for Extensions at 10PM is: 1.3m 11s primary swell from a Southwest direction and 0.8m 15s secondary swell from a Southwest direction (forecast issued at 07:00pm June 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | - | - |
| Afternoon (20 Jun) | 5ft (1.5m) | 12s |
| Evening (20 Jun) | 4ft (1.2m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Sun night. Warm (max 22°C on Sat night, min 14°C on Mon night). Winds increasing (calm on Sun morning, fresh winds from the NNW by Tue afternoon). | ||||||||||||||||||||||||
Sat 20 | Sunday 21 | Monday 22 | Tue 23 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 11 | WSW 11 | SW 11 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 553 | 335 | 437 | 542 | 1289 | 1273 | 1494 | 1640 | 1451 | 1547 | 1524 | 1422 | 953 | 1249 | 991 | 1067 | 1060 | 1095 | 1131 | 1131 | 880 | 666 | 494 | 827 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-off | off | off | cross | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on |
High Tide | 7:46PM1.37m | 8:12AM1.13m | 8:44PM1.30m | 9:19AM1.06m | 9:45PM1.24m | 10:31AM1.04m | ||||||||||||||||||
Low Tide | 2:14AM0.39m | 2:14PM0.41m | 3:20AM0.44m | 3:16PM0.49m | 4:28AM0.46m | |||||||||||||||||||
 |  | |  | | | |  | | |  | | |  | | | | | | | |  | | | |
 | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — | — |
 | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | 5:44 |
mm | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 22 | 22 | 21 | 22 | 22 | 21 | 19 | 19 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 17 | 16 | 15 | 15 | 14 | 15 | 15 | 16 |
Feels °C | 19 | 18 | 18 | 19 | 19 | 20 | 19 | 19 | 17 | 17 | 18 | 18 | 18 | 17 | 17 | 16 | 14 | 14 | 11 | 11 | 9 | 11 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 11 | WSW 11 | SW 11 | SW 11 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 13 | WSW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 |
| kJ | 553 | 335 | 437 | 377 | 1289 | 1273 | 1494 | 1640 | 1451 | 1547 | 1524 | 1422 | 953 | 1249 | 991 | 1067 | 1060 | 1095 | 1131 | 1131 | 880 | 666 | 494 | 827 |
Swell 2 Height (m) Direction Period (s) | SW 15 | S 8 | SW 15 | SW 15 | SSE 8 | S 8 | SSE 8 | ESE 7 | NNW 4 | NNW 4 | SSE 8 | SSE 8 | SW 15 | SE 8 | W 12 | W 12 | W 12 | S 15 | SSW 15 | — | SSW 16 | SW 15 | SW 14 | SW 24 |
| kJ | 110 | 51 | 309 | 542 | 26 | 33 | 21 | 10 | 7 | 3 | 6 | 6 | 415 | 3 | 276 | 108 | 75 | 17 | 71 | — | 226 | 318 | 401 | 23 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 15 | S 9 | S 9 | — | — | ESE 7 | — | — | SSE 8 | — | — | SE 8 | — | ESE 8 | ESE 8 | — | — | — | — | — | — | — | — |
| kJ | 139 | 137 | 56 | 55 | — | — | 9 | — | — | 11 | — | — | 3 | — | 6 | 6 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SE 8 | ESE 3 | — | — | — | NNW 3 | NW 4 | NW 4 | NNW 4 | NNW 5 | NNW 5 | NW 5 | WNW 6 | WNW 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | 16 | 4 | — | — | — | 6 | 10 | 15 | 31 | 61 | 59 | 106 | 206 | 258 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 24 | 35 | 35 | 35 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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