Extensions surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 am Wednesday 01 Apr 2026 SAST
Forecast 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
19.8° C
(Which is slightly warmer than usual)

How big are the waves at Extensions today?

The current surf forecast for Extensions at 6AM is: 0.8m 14s primary swell from a Southwest direction and 1.2m 9s secondary swell from a Southwest direction (forecast issued at 01:00am April 01). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (01 Apr)3.5ft (1.1m)14s
Afternoon (01 Apr)4ft (1.2m)14s
Evening (01 Apr)5ft (1.5m)13s

Table - waves today at Extensions. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Wednesday
01
Thursday
02
Friday
03
11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM11PM2AM5AM8AM11AM2PM5PM8PM
Rating
(10 max)
1
1
2
2
2
1
0
0
0
1
2
3
3
4
3
3
2
3
4
2
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
SW
0.9
SW
1.2
SW
1.1
SW
1.1
SW
1.2
SW
1.3
SW
1.5
SW
1.3
SW
1.6
SW
1.7
SW
1.8
SW
2
SW
2.1
SW
2
SW
2.3
SW
2.3
SW
2.3
SW
2.2
SW
2
SW
1.7
SW
1.7
SW
1.6
SW
1.5
SW
Period(s) (?)10139141414141313131312121212141313131212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)257299230459513541579778618821932102511671381122521401847170315691188836805736614
Wind
(km/h)
20
S
20
S
15
SSE
20
SSE
25
SSE
30
SSE
40
SSE
45
SE
40
SE
30
SE
20
SE
20
SE
15
SE
10
SE
20
ESE
20
SSE
20
S
15
SE
15
NNE
20
WNW
20
N
25
WNW
25
W
20
W
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
on
crosscross-
on
onon
High Tide
/ height (m)
2:50AM
1.60
3:09PM
1.49
3:19AM
1.62
3:38PM
1.49
3:47AM
1.60
4:07PM
1.47
Low Tide
/ height (m)
8:42PM
0.13
9:08AM
0.05
9:12PM
0.11
9:36AM
0.04
9:40PM
0.12
10:03AM
0.06
Wednesday
01
Thursday
02
Friday
03
Sunrise---6:58-------6:58-------6:58----
Sunset------6:40-------6:39-------6:38-
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
light rain
cloud
part cloud
cloud
rain showers
light rain
part cloud
rain showers
clear
clear
clear
Rain (mm)
-------------1---11-1---
Temp. °C191920202120212020202020212121232220202220212019
Feels °C (?)191920202016171416171919212119212120202119181817
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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.


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