Surf Forecasts:
How big are the waves at Extensions today (23 Jun):
- Morning surf: Morning surf (23 Jun, local time) - 4.5ft (1.3m), 12s period with SW swell.
- Afternoon surf: Afternoon surf (23 Jun, local time) - 5.5ft (1.7m), 13s period with SW swell.
- Evening surf: Evening surf (23 Jun, local time) - 5ft (1.6m), 19s period with SW swell.
The current surf forecast for Extensions at 4PM is: 2.3m 10s primary swell from a Southwest direction and 1.4m 7s secondary swell from a Northwest direction, 2.3m 7s secondary swell from a West-northwest direction (forecast issued at 01:00pm June 23). The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Jun) | 4.5ft (1.3m) | 12s |
| Afternoon (23 Jun) | 5.5ft (1.7m) | 13s |
| Evening (23 Jun) | 5ft (1.6m) | 19s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Tue night. Very mild (max 18°C on Thu afternoon, min 13°C on Tue night). Mainly strong winds. | ||||||||||||||||||||||||
Tue 23 | Wednesday 24 | Thursday 25 | Fri 26 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 12 | SW 13 | SW 10 | SW 19 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | WSW 14 | SW 13 | SW 13 | SSW 12 | SSW 12 | SSW 16 | SW 16 | SW 16 | SW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 473 | 984 | 1146 | 1782 | 8695 | 9389 | 10431 | 9710 | 10370 | 9344 | 9129 | 7147 | 5488 | 4542 | 3469 | 1886 | 2108 | 1778 | 985 | 1310 | 1817 | 4106 | 4531 | 4957 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | off |
High Tide | 10:31AM1.04m | 10:48PM1.21m | 11:39AM1.06m | 11:47PM1.20m | 12:36PM1.10m | 00:40AM1.22m | ||||||||||||||||||
Low Tide | 4:26PM0.54m | 5:32AM0.45m | 5:36PM0.55m | 6:27AM0.42m | 6:35PM0.52m | 7:14AM0.37m | ||||||||||||||||||
 |  |  |  |  | |  | | | | | | | | | | | | |  | | | |  | |
 | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — |
 | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | 5:44 |
mm | — | — | 2 | 6 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 17 | 18 | 18 | 17 | 17 | 16 | 16 |
Feels °C | 6 | 7 | 11 | 9 | 12 | 11 | 10 | 8 | 7 | 7 | 7 | 6 | 7 | 7 | 8 | 8 | 9 | 13 | 15 | 15 | 14 | 15 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 13 | SW 10 | WSW 11 | SW 18 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | WSW 14 | SW 13 | SW 13 | SSW 12 | SSW 12 | SSW 12 | SW 16 | SW 16 | SW 16 |
| kJ | 473 | 984 | 1146 | 1736 | 8695 | 9389 | 10431 | 9710 | 10370 | 9344 | 9129 | 7147 | 5488 | 4542 | 3469 | 1886 | 2108 | 1778 | 985 | 1310 | 1817 | 4106 | 4531 | 4957 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 22 | NW 7 | SW 19 | SW 18 | — | — | — | — | — | — | — | — | — | — | SW 13 | SW 21 | SSW 20 | WSW 13 | SSW 16 | SSW 16 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 262 | 74 | 158 | 1782 | 1850 | — | — | — | — | — | — | — | — | — | — | 867 | 18 | 75 | 875 | 907 | 1734 | 284 | 257 | 183 |
Swell 3 Height (m) Direction Period (s) | WSW 11 | — | SW 15 | SW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SSW 17 | WSW 13 | WSW 13 | — | — | — |
| kJ | 40 | — | 305 | 293 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 249 | 396 | 206 | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 6 | WNW 7 | W 10 | — | — | — | — | — | — | SE 4 | ESE 5 | SE 5 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | SE 7 | SE 7 | SSE 8 | SSE 8 | — | — |
| kJ | 357 | 550 | 847 | — | — | — | — | — | — | 28 | 59 | 106 | 131 | 149 | 175 | 198 | 143 | 92 | 159 | 349 | 191 | 400 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 167 | 167 | 3 | 30 | 3 | 12 | 12 | 12 | 26 | 27 | 37 | 37 | 37 | 37 | 37 | 37 | 25 | 12 | 12 | 12 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
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