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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 Wednesday 08 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
19.6° C
(Which is 1.0°C warmer than normal for this time of year)How big are the waves at Extensions today?
The current surf forecast for Extensions at 10PM is: 1.6m 12s primary swell from a Southwest direction and 1.2m 12s secondary swell from a South direction (forecast issued at 07:00pm April 08). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Apr) | - | - |
| Afternoon (08 Apr) | 4.5ft (1.4m) | 13s |
| Evening (08 Apr) | 5ft (1.6m) | 12s |
Table - waves today at Extensions. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 08 | Thursday 09 | Friday 10 | Saturday 11 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 650 | 638 | 617 | 563 | 593 | 593 | 542 | 633 | 823 | 1055 | 1262 | 2027 | 2004 | 1977 | 1688 | 1451 | 1280 | 1280 | 1197 | 1285 | 1266 | 1266 | 1228 | 1021 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- on | cross- on | cross- on | on | on | cross- on | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:48PM 1.05 | 6:59AM 1.03 | 8:07PM 0.97 | 8:36AM 0.95 | 10:20PM 0.98 | 10:47AM 0.98 | ||||||||||||||||||
Low Tide / height (m) | 12:43AM 0.61 | 1:25PM 0.59 | 2:08AM 0.70 | 3:22PM 0.63 | 4:48AM 0.68 | |||||||||||||||||||
Wednesday 08 | Thursday 09 | Friday 10 | Saturday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:05 | - | - |
| Sunset | 6:31 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - |
 |  | |  |  |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 23 | 22 | 22 | 22 | 22 | 23 | 24 | 23 | 24 | 25 | 25 | 23 | 22 | 22 | 21 | 20 | 19 | 20 | 19 | 19 | 19 | 19 | 19 |
| Feels °C (?) | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 23 | 21 | 22 | 25 | 23 | 20 | 20 | 20 | 20 | 20 | 19 | 21 | 19 | 20 | 20 | 19 | 19 |
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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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