Surf Forecasts:
How big are the waves at Extensions today (06 Sep):
- Morning surf: Morning surf (06 Sep, local time) - 8ft (2.4m), 18s period with SW swell.
- Afternoon surf: Afternoon surf (06 Sep, local time) - 7ft (2.2m), 16s period with SW swell.
- Evening surf: Evening surf (06 Sep, local time) - 6.5ft (2.0m), 15s period with SW swell.
The current surf forecast for Extensions at 6PM is: 2.0m 16s primary swell from a Southwest direction and 0.1m 12s secondary swell from a South direction (forecast issued at 01:00pm September 06). An open ocean swell of 1.9m 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 (06 Sep) | 8ft (2.4m) | 18s |
| Afternoon (06 Sep) | 7ft (2.2m) | 16s |
| Evening (06 Sep) | 6.5ft (2.0m) | 15s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Mon afternoon, min 15°C on Wed morning). Winds decreasing (fresh winds from the ESE on Sun afternoon, calm by Mon morning). | |||||||||||||||||||||
Sun 6 | Monday 7 | Tuesday 8 | |||||||||||||||||||
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 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 15 | SW 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3471 | 2506 | 2269 | 1904 | 1692 | 1647 | 1624 | 1665 | 1549 | 1360 | 1339 | 837 | 596 | 440 | 587 | 734 | 294 | 145 | 137 | 148 | 172 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | off | off | off | cross-off | cross-on | glassy | glassy | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off |
High Tide | 11:38AM1.11m | 00:04AM1.20m | 12:47PM1.27m | 1:06AM1.32m | 1:35PM1.43m | ||||||||||||||||
Low Tide | 5:54PM0.50m | 6:32AM0.36m | 7:02PM0.35m | 7:24AM0.23m | 7:51PM0.20m | ||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 20 | 22 | 20 | 18 | 18 | 19 | 21 | 22 | 23 | 23 | 19 | 21 | 22 | 21 | 19 | 18 | 20 | 19 | 18 | 18 |
Feels °C | 7 | 14 | 16 | 15 | 13 | 15 | 18 | 20 | 22 | 22 | 21 | 17 | 19 | 20 | 19 | 17 | 17 | 19 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 18 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | WSW 13 | WSW 13 | WSW 12 | SW 12 | SW 12 | WSW 12 | WSW 12 | WSW 12 | SW 11 | SW 11 |
| kJ | 3471 | 2506 | 2269 | 1904 | 1692 | 1647 | 1624 | 1665 | 1549 | 1360 | 1339 | 837 | 596 | 440 | 587 | 734 | 294 | 145 | 137 | 114 | 172 |
Swell 2 Height (m) Direction Period (s) | — | S 12 | S 12 | S 12 | SSE 12 | SE 8 | SE 7 | SE 7 | SE 9 | SE 9 | SE 9 | SSW 12 | S 12 | S 12 | S 11 | WSW 17 | S 11 | SW 11 | SW 11 | WSW 15 | WSW 15 |
| kJ | — | 3 | 3 | 3 | 14 | 179 | 121 | 73 | 76 | 78 | 52 | 439 | 488 | 404 | 198 | 27 | 224 | 121 | 117 | 148 | 144 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SE 15 | SSE 14 | SSE 14 | SE 13 | SE 9 | SE 8 | ESE 10 | ESE 8 | ESE 10 | SW 16 | SSE 10 | SSE 10 | W 12 | SSE 10 |
| kJ | — | — | — | — | — | — | — | 8 | 18 | 36 | 7 | 50 | 18 | 9 | 7 | 10 | 67 | 104 | 77 | 70 | 52 |
Wind waves Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | ESE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 2 | SE 3 |
| kJ | 545 | 477 | 413 | 393 | 267 | 522 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 26 | 25 | 12 | 18 | 18 | 0 | 0 | 1 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 12 | 0 | 0 |
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