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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 1 am 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
20.2° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Extensions today?
The current surf forecast for Extensions at 4AM is: 1.6m 13s primary swell from a South direction and 1.3m 12s secondary swell from a Southwest direction (forecast issued at 01:00am April 08). An open ocean swell of 1.2m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.
| Time (SAST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Apr) | 5ft (1.6m) | 13s |
| 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 | ||||||||||||||||||||||
| 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 | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 11 | 11 | 12 | 12 | 12 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 957 | 1021 | 724 | 852 | 726 | 649 | 650 | 638 | 617 | 563 | 593 | 593 | 593 | 633 | 823 | 1055 | 1262 | 2027 | 2004 | 1836 | 1657 | 1570 | 1387 | 1280 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | glass | cross | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross | cross- on | cross- on | cross- on | on | cross- on | cross |
High Tide / height (m) | 6:13AM 1.14 | 6:48PM 1.05 | 6:59AM 1.03 | 8:07PM 0.97 | 8:36AM 0.95 | |||||||||||||||||||
Low Tide / height (m) | 12:01AM 0.50 | 12:29PM 0.49 | 12:43AM 0.61 | 1:25PM 0.59 | 2:08AM 0.70 | 3:22PM 0.63 | ||||||||||||||||||
Wednesday 08 | Thursday 09 | Friday 10 | ||||||||||||||||||||||
| Sunrise | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - | - | - | - | 7:03 | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:29 | - |
 | | |  | | | |  |  | | | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 19 | 20 | 24 | 24 | 22 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 22 | 25 | 25 | 22 | 21 | 21 | 20 | 19 | 19 |
| Feels °C (?) | 12 | 14 | 16 | 17 | 23 | 22 | 21 | 20 | 21 | 21 | 19 | 20 | 20 | 19 | 20 | 20 | 25 | 23 | 19 | 18 | 19 | 18 | 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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