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Surf Forecasts:

Extensions surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 7 pm Friday 16 Jan 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
20.8° C
 (Which is slightly warmer than usual)

How big are the waves at Extensions today?

The current surf forecast for Extensions at 10PM is: 1.1m 10s primary swell from a Southwest direction and 0.1m 12s secondary swell from a Northwest direction, 1.1m 9s secondary swell from a South direction (forecast issued at 07:00pm January 16). The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (16 Jan)--
Afternoon (16 Jan)3.5ft (1.1m)10s
Evening (16 Jan)3ft (0.9m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
16
Saturday
17
Sunday
18
Monday
19
5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM
Rating
(10 max)
0
0
0
1
1
2
0
0
0
0
0
0
2
3
3
2
1
2
2
2
2
3
2
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
WSW
1
SSW
1.1
SW
1.1
SW
1.1
SW
1.3
SW
1.6
SW
1.8
SW
2.2
SW
2.5
SW
3
SW
3.5
SW
3.5
SW
3.5
SW
3.5
SW
3
SW
3
SW
3
SW
2.5
SW
2.5
SW
2.4
SW
2.2
SW
2.1
SW
1.9
SW
Period(s) (?)10910101010101010101011121212121212121212111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2001682162162352934326249131162168229043769379336333017280223682055181815721191990844
Wind
(km/h)
30
S
25
SSE
25
SSE
20
SSE
10
S
5
W
20
W
30
W
35
W
30
WSW
30
SW
30
SW
25
SSW
20
SSW
20
S
25
S
30
S
30
SSE
35
SSE
30
SE
30
SE
25
SSE
15
SE
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off		cross-
off		cross-
off		crossononononcross-
on		cross-
on		cross-
on		crosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross
High Tide
/ height (m)
2:09PM
1.29
2:42AM
1.29
2:45PM
1.36
3:15AM
1.38
3:19PM
1.42
3:47AM
1.45
Low Tide
/ height (m)
8:33PM
0.27
8:46AM
0.36
9:05PM
0.19
9:20AM
0.29
9:35PM
0.14
9:52AM
0.24
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise-----5:50-------5:52-------5:52--
Sunset-8:00-------8:00-------8:00------
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
---------1--------------
Temp. °C181818181818192020201918171717171717171717171818
Feels °C (?)131313141617161514151412121313121211111112131616
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Extensions at:
surf-forecast.com

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