Surf Forecasts:
How big are the waves at Extensions today (05 Sep):
- Morning surf: Morning surf (05 Sep, local time) - 2.5ft (0.8m), 11s period with SSW swell.
- Afternoon surf: Afternoon surf (05 Sep, local time) - 3ft (0.9m), 10s period with SSW swell.
- Evening surf: Evening surf (05 Sep, local time) - 3.5ft (1.0m), 23s period with SW swell.
The current surf forecast for Extensions at 7PM is: 0.8m 23s primary swell from a Southwest direction and 0.8m 9s secondary swell from a South-southwest direction (forecast issued at 01:00pm September 05). An open ocean swell of 3.0m 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 (05 Sep) | 2.5ft (0.8m) | 11s |
| Afternoon (05 Sep) | 3ft (0.9m) | 10s |
| Evening (05 Sep) | 3.5ft (1.0m) | 23s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Mon morning, min 14°C on Sat night). Winds decreasing (gales from the SE on Sat afternoon, calm by Mon morning). | |||||||||||||||||||||
Sat 5 | Sunday 6 | Monday 7 | |||||||||||||||||||
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) | SSW 10 | SSW 10 | SW 25 | SW 23 | SW 22 | SW 20 | SW 19 | SW 18 | 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 |
Wave Graph  | |||||||||||||||||||||
 kJ | 114 | 173 | 221 | 773 | 1847 | 3008 | 3778 | 3672 | 3681 | 2506 | 2269 | 1904 | 1692 | 1647 | 1624 | 1665 | 1549 | 1360 | 1339 | 745 | 596 |
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 | cross-off | off | off | off | cross-off | cross-off | off | off | off | off | cross | cross-on | cross-on | cross-on | cross-off | cross-off |
High Tide | 9:45AM1.03m | 10:28PM1.12m | 11:38AM1.11m | 00:04AM1.20m | 12:47PM1.27m | ||||||||||||||||
Low Tide | 3:56PM0.59m | 5:14AM0.48m | 5:54PM0.50m | 6:32AM0.36m | 7:02PM0.35m | ||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 17 | 16 | 14 | 14 | 14 | 14 | 14 | 16 | 20 | 22 | 20 | 18 | 19 | 19 | 21 | 23 | 23 | 22 | 19 | 22 |
Feels °C | 2 | 7 | 4 | 2 | 2 | 2 | 4 | 6 | 10 | 14 | 16 | 15 | 14 | 16 | 17 | 20 | 22 | 20 | 19 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SSW 10 | SSW 10 | SW 23 | SW 22 | SW 20 | SW 19 | SW 18 | 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 |
| kJ | 114 | 173 | 127 | 773 | 1847 | 3008 | 3778 | 3672 | 3681 | 2506 | 2269 | 1904 | 1692 | 1647 | 1624 | 1665 | 1549 | 1360 | 1339 | 745 | 596 |
Swell 2 Height (m) Direction Period (s) | WSW 10 | WSW 10 | WSW 10 | SSW 9 | SSW 10 | SSW 9 | SW 10 | SW 9 | — | S 12 | S 12 | S 12 | SE 8 | SE 8 | SE 7 | SE 7 | SE 7 | SE 9 | SE 9 | S 12 | S 12 |
| kJ | 67 | 56 | 56 | 100 | 85 | 76 | 57 | 70 | — | 3 | 3 | 3 | 223 | 179 | 118 | 69 | 48 | 79 | 49 | 425 | 480 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SW 13 | SW 25 | WSW 10 | WSW 9 | SW 12 | SW 13 | — | — | — | — | — | — | — | — | SSE 15 | SE 7 | SE 13 | SSE 13 | ESE 9 | SE 10 |
| kJ | 18 | 7 | 221 | 37 | 35 | 39 | 82 | — | — | — | — | — | — | — | — | 22 | 37 | 7 | 32 | 30 | 23 |
Wind waves Height (m) Direction Period (s) | SE 8 | SE 7 | SE 8 | SE 8 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | — | ESE 8 | — | — | — | — | — | — | — |
| kJ | 1048 | 696 | 1207 | 1068 | 903 | 947 | 952 | 756 | 551 | 468 | 468 | 414 | — | 493 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 37 | 39 | 48 | 48 | 48 | 37 | 37 | 37 | 18 | 25 | 25 | 18 | 18 | 0 | 0 | 1 | 1 | 1 | 5 | 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