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Extensions Surf Forecast
/ Cape Town (70 surf breaks) /
Surf Forecasts:
Extensions surfForecast / Cape Town / South Africa
48hr Weather and Surf, issued 7 pm Tuesday 24 Mar 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
15.5° C
(Which is 3.8°C colder than average for this time of year)How big are the waves at Extensions today?
The current surf forecast for Extensions at 11PM is: 1.7m 12s primary swell from a South-southwest direction and 0.5m 3s secondary swell from a North-northwest direction (forecast issued at 07:00pm March 24). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Mar) | - | - |
| Afternoon (24 Mar) | 6ft (1.8m) | 13s |
| Evening (24 Mar) | 5.5ft (1.7m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1044 | 885 | 830 | 692 | 680 | 595 | 585 | 451 | 435 | 346 | 291 | 226 | 558 | 538 | 609 | 665 | 652 | 585 | 450 | 399 | 332 | 263 | 158 | 180 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- on | cross- on | cross- on | cross | cross | cross- on | on | on | cross- on | cross- on | cross- on | cross | cross- on | on | cross- on | cross- off | cross- off | cross- off | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 7:08PM 1.18 | 7:35AM 1.18 | 8:34PM 1.06 | 9:21AM 1.06 | 10:41PM 1.06 | 11:24AM 1.09 | ||||||||||||||||||
Low Tide / height (m) | 1:12AM 0.46 | 2:06PM 0.48 | 2:51AM 0.58 | 4:06PM 0.54 | 5:12AM 0.56 | |||||||||||||||||||
Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - |
| Sunset | 6:52 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - |
 |  | | |  |  |  | | | | | | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 20 | 24 | 20 | 18 | 19 | 19 | 19 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 19 | 20 |
| Feels °C (?) | 19 | 24 | 17 | 15 | 16 | 16 | 15 | 18 | 18 | 17 | 18 | 16 | 17 | 17 | 18 | 18 | 19 | 20 | 18 | 18 | 19 | 17 | 18 | 17 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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