- Forecast
- Maps
- Live
- Weather State
- Spot Information
Extensions Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Extensions surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 1 am Friday 24 Apr 2026 SASTForecast update in hr min s Forecast update imminent
Extensions surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Extensions sea temperature is
19.0° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Extensions today?
The current surf forecast for Extensions at 8AM is: 1.3m 12s primary swell from a South-southwest direction (forecast issued at 01:00am April 24). An open ocean swell of 0.8m 7s is not directed at the surf break, a second open ocean swell of 1.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 4.5ft (1.3m) | 12s |
| Afternoon (24 Apr) | 3.5ft (1.1m) | 11s |
| Evening (24 Apr) | 2.5ft (0.8m) | 11s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun afternoon. Warm (max 21°C on Fri night, min 14°C on Sun night). Winds increasing (calm on Fri afternoon, fresh winds from the NNW by Sun morning). | ||||||||||||||||||||||||
Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 12 | SSW 12 | SSW 12 | S 12 | SSW 11 | S 11 | SSW 11 | SSW 11 | SW 12 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | W 9 | WSW 8 | WSW 8 | WSW 8 | SW 10 | |
762 | 539 | 444 | 456 | 320 | 291 | 193 | 101 | 164 | 205 | 202 | 169 | 196 | 192 | 182 | 175 | 154 | 105 | 113 | 537 | 669 | 824 | 984 | 1911 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | off | cross-on | glassy | cross | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | on | cross-on | cross-on | cross-on | |
High Tide | 9:22AM1.06m | 10:21PM1.16m | 11:03AM1.08m | 11:38PM1.25m | 12:12PM1.16m | |||||||||||||||||||
Low Tide | 3:10AM0.54m | 3:47PM0.50m | 4:58AM0.50m | 5:15PM0.47m | 6:10AM0.40m | 6:17PM0.40m | ||||||||||||||||||
 | |  | | | | | | | | | |  | | | | | |  |  |  | |  |  | |
 | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:09 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 8 | 3 | 3 | 3 | |
Temp °C | 17 | 17 | 18 | 19 | 20 | 20 | 21 | 20 | 20 | 20 | 18 | 19 | 19 | 18 | 17 | 17 | 16 | 16 | 16 | 17 | 15 | 16 | 15 | 14 |
13 | 13 | 15 | 17 | 17 | 18 | 18 | 17 | 18 | 17 | 15 | 16 | 16 | 15 | 15 | 15 | 13 | 12 | 11 | 11 | 8 | 11 | 11 | 6 | |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | S 12 | SSW 11 | S 11 | SSW 11 | SSW 11 | SW 12 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 5 | W 6 | SW 15 | SW 15 | SW 14 | SW 14 | SW 13 |
 kJ | 762 | 539 | 444 | 456 | 320 | 291 | 193 | 101 | 164 | 205 | 202 | 169 | 196 | 192 | 182 | 175 | 154 | 36 | 69 | 76 | 76 | 74 | 149 | 261 |
Swell 2 Height (m) Direction Period (s) | — | W 16 | SE 7 | NW 15 | SE 7 | NW 15 | SSE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SSE 7 | SSE 7 | SW 16 | WSW 10 | WSW 9 | SSE 15 | SSE 15 | SSE 15 | SSE 14 | SSE 14 |
| kJ | — | 5 | 62 | 8 | 22 | 8 | 77 | 54 | 55 | 28 | 26 | 30 | 15 | 20 | 4 | 5 | 41 | 105 | 113 | 23 | 22 | 21 | 20 | 36 |
Swell 3 Height (m) Direction Period (s) | — | — | NW 15 | W 10 | NW 15 | W 9 | ESE 8 | SW 12 | SSW 11 | ESE 8 | SE 8 | NW 13 | ESE 7 | NW 13 | SW 18 | WSW 16 | SSE 16 | SW 16 | SW 15 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 |
| kJ | — | — | 9 | 2 | 8 | 2 | 6 | 92 | 38 | 7 | 2 | 7 | 5 | 7 | 12 | 26 | 25 | 41 | 58 | 6 | 6 | 6 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | SE 7 | SE 7 | SE 7 | — | — | — | — | — | — | — | — | N 3 | NNW 4 | NW 4 | NW 3 | WNW 4 | WNW 4 | NNW 4 | NNW 4 | W 9 | WSW 8 | WSW 8 | WSW 8 | SW 10 |
| kJ | 112 | 89 | 147 | — | — | — | — | — | — | — | — | 5 | 12 | 8 | 7 | 11 | 25 | 11 | 44 | 537 | 669 | 824 | 984 | 1911 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 3 | 0 | 12 | 0 | 12 | 1 | 1 | 1 | 24 | 1 | 1 | 1 | 25 | 35 | 35 | 155 | 30 | 30 | 25 | 187 |
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