Surf Forecasts:
How big are the waves at Extensions today (25 Jun):
- Afternoon surf: Afternoon surf (25 Jun, local time) - 7.5ft (2.3m), 13s period with SW swell.
- Evening surf: Evening surf (25 Jun, local time) - 4.5ft (1.3m), 17s period with SSW swell.
The current surf forecast for Extensions at 11PM is: 1.9m 16s primary swell from a South-southwest direction and 1.7m 12s secondary swell from a Southwest direction (forecast issued at 07:00pm June 25). An open ocean swell of 1.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Jun) | - | - |
| Afternoon (25 Jun) | 7.5ft (2.3m) | 13s |
| Evening (25 Jun) | 4.5ft (1.3m) | 17s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 22mm), heaviest during Sun afternoon. Warm (max 20°C on Fri night, min 13°C on Sun afternoon). Winds increasing (calm on Fri morning, near gales from the NNW by Sun morning). | ||||||||||||||||||||||||
Thu 25 | Friday 26 | Saturday 27 | Sun 28 | |||||||||||||||||||||
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) | WSW 13 | SSW 17 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 12 | WSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 796 | 919 | 1832 | 3940 | 4288 | 4784 | 5046 | 4821 | 4097 | 3282 | 2662 | 2155 | 1977 | 1785 | 1759 | 1693 | 1776 | 1756 | 1657 | 1750 | 2174 | 2483 | 2828 | 3610 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross | cross-off | cross-off | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | on |
High Tide | 00:40AM1.22m | 1:23PM1.16m | 1:26AM1.25m | 2:03PM1.22m | 2:07AM1.29m | |||||||||||||||||||
Low Tide | 6:35PM0.52m | 7:14AM0.37m | 7:24PM0.47m | 7:54AM0.32m | 8:06PM0.42m | 8:31AM0.28m | ||||||||||||||||||
 |  | | | | | | | | | | |  |  | | | | | |  | |  |  |  | |
 | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:52 | — | — | — |
 | 5:44 | — | — | — | — | — | — | — | 5:44 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | 5:45 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 11 |
Temp °C | 19 | 18 | 17 | 17 | 19 | 18 | 18 | 19 | 17 | 17 | 20 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 14 | 14 | 15 | 15 | 14 | 14 |
Feels °C | 16 | 14 | 13 | 14 | 17 | 18 | 16 | 17 | 14 | 16 | 19 | 13 | 14 | 13 | 14 | 13 | 12 | 11 | 9 | 8 | 7 | 6 | 4 | 8 |
Swell 1 Height (m) Direction Period (s) | WSW 13 | SW 12 | SSW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | WSW 12 | WSW 12 |
| kJ | 796 | 635 | 1832 | 3940 | 4288 | 4784 | 5046 | 4821 | 4097 | 3282 | 2662 | 2155 | 1977 | 1785 | 1759 | 1693 | 1776 | 1756 | 1657 | 1750 | 2174 | 2483 | 2828 | 3610 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSW 17 | SW 12 | — | SE 8 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | SE 7 | ESE 7 | ESE 7 | WSW 22 | WSW 21 | SW 20 | WSW 20 | WSW 20 | WSW 18 | SW 19 | SW 18 |
| kJ | 214 | 919 | 827 | — | 129 | 79 | 62 | 121 | 25 | 31 | 23 | 23 | 17 | 12 | 9 | 5 | 46 | 45 | 107 | 336 | 256 | 491 | 1173 | 2344 |
Swell 3 Height (m) Direction Period (s) | SSW 12 | WSW 13 | WSW 13 | — | — | — | — | — | — | — | — | — | — | — | SW 24 | SW 24 | WSW 22 | WSW 21 | SW 20 | ESE 8 | SW 24 | SW 21 | WSW 18 | WSW 18 |
| kJ | 480 | 396 | 69 | — | — | — | — | — | — | — | — | — | — | — | 22 | 22 | 45 | 90 | 107 | 6 | 22 | 355 | 448 | 318 |
Wind waves Height (m) Direction Period (s) | SE 8 | SSE 8 | SE 8 | SE 8 | — | — | SE 7 | — | — | — | — | — | — | — | — | NNW 3 | NNW 4 | NNW 4 | NNW 4 | NW 5 | NW 5 | NW 6 | NW 6 | NW 7 |
| kJ | 453 | 323 | 304 | 201 | — | — | 156 | — | — | — | — | — | — | — | — | 8 | 12 | 16 | 32 | 62 | 127 | 271 | 399 | 509 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 12 | 12 | 12 | 12 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 23 | 1 | 1 | 24 | 1 | 24 | 35 | 35 | 66 | 167 | 167 | 167 | 23 |
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