Surf Forecasts:
How big are the waves at Extensions today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 3.5ft (1.1m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 3.5ft (1.0m), 11s period with SW swell.
- Evening surf: Evening surf (23 Sep, local time) - 3ft (0.9m), 10s period with SW swell.
The current surf forecast for Extensions at 10AM is: 1.1m 11s primary swell from a Southwest direction (forecast issued at 01:00am September 23). An open ocean swell of 0.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 3.5ft (1.1m) | 11s |
| Afternoon (23 Sep) | 3.5ft (1.0m) | 11s |
| Evening (23 Sep) | 3ft (0.9m) | 10s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Fri afternoon. Warm (max 21°C on Thu night, min 15°C on Wed morning). Mainly strong winds. | ||||||||||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 414 | 332 | 292 | 254 | 216 | 187 | 157 | 104 | 100 | 111 | 366 | 806 | 1145 | 1422 | 1349 | 1180 | 1028 | 964 | 850 | 747 | 747 | 734 | 636 | 636 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | glassy | cross | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | on | cross-on | cross-off | glassy | cross-off | cross-off |
High Tide | 1:12AM1.22m | 1:33PM1.34m | 1:44AM1.33m | 2:01PM1.47m | 2:15AM1.43m | 2:29PM1.57m | ||||||||||||||||||
Low Tide | 7:23AM0.33m | 7:47PM0.30m | 7:52AM0.23m | 8:15PM0.18m | 8:20AM0.14m | 8:44PM0.08m | ||||||||||||||||||
 |  |  | |  | |  | | | | |  | | | | | | | | | | | | | |
 | — | 6:35 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — |
Temp °C | 17 | 15 | 15 | 15 | 15 | 16 | 17 | 18 | 18 | 18 | 18 | 18 | 19 | 20 | 21 | 21 | 21 | 18 | 19 | 19 | 19 | 20 | 19 | 20 |
Feels °C | 18 | 14 | 15 | 16 | 14 | 13 | 10 | 13 | 15 | 16 | 17 | 18 | 18 | 19 | 20 | 21 | 23 | 19 | 19 | 20 | 18 | 21 | 18 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSE 7 | SSW 16 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SSW 12 | SSW 12 |
| kJ | 414 | 332 | 292 | 254 | 216 | 187 | 157 | 104 | 100 | 100 | 154 | 806 | 1145 | 1422 | 1349 | 1180 | 1028 | 964 | 850 | 747 | 747 | 734 | 636 | 636 |
Swell 2 Height (m) Direction Period (s) | S 13 | SE 7 | SE 6 | SE 6 | SE 6 | S 11 | — | SW 14 | SSW 7 | SSW 17 | SSW 16 | SSE 7 | SSE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SSE 6 | SE 7 | ESE 7 | SE 7 | SW 17 | SSW 16 |
| kJ | 14 | 11 | 10 | 10 | 10 | 10 | — | 7 | 37 | 111 | 366 | 113 | 93 | 93 | 103 | 103 | 63 | 44 | 27 | 28 | 18 | 16 | 138 | 169 |
Swell 3 Height (m) Direction Period (s) | SSE 13 | S 13 | SSE 12 | SSE 12 | W 9 | NNW 5 | — | S 11 | SSW 18 | SW 14 | SW 10 | SW 11 | SW 11 | — | — | — | — | W 16 | W 16 | W 16 | W 16 | NNW 4 | N 4 | SW 18 |
| kJ | 17 | 13 | 15 | 14 | 6 | 2 | — | 2 | 30 | 7 | 100 | 119 | 121 | — | — | — | — | 5 | 5 | 5 | 5 | 3 | 2 | 81 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SE 6 | SE 7 | SSE 5 | SE 6 | SE 6 | SSE 7 | SE 7 | — | SE 7 | SE 7 | SE 7 | SE 7 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 6 | 11 | 74 | 284 | 183 | 211 | 344 | — | 195 | 219 | 268 | 198 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 0 | 12 | 12 | 30 | 26 | 25 | 0 | 0 | 0 | 12 | 12 | 12 | 0 | 0 | 0 | 1 | 1 | 25 | 0 | 0 | 12 |
Best forecast wave conditions in Cape Town | ||||||||||||||||||||||||
Best forecast wave conditions in South Africa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Extensions surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest