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Surf Forecasts:

Extensions surfForecast / Cape Town / South Africa

information circle48hr Weather and Surf, issued 1 pm Monday 09 Mar 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
19.9° C
 (Which is normal for this time of year)

How big are the waves at Extensions today?

The current surf forecast for Extensions at 7PM is: 1.4m 11s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a Northwest direction (forecast issued at 01:00pm March 09). An open ocean swell of 1.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (SAST) & DateWave HeightWave Period
Morning (09 Mar)5ft (1.6m)12s
Afternoon (09 Mar)5ft (1.5m)12s
Evening (09 Mar)4.5ft (1.3m)11s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM11 AM2 PM5 PM8 PM11 PM2 AM5 AM8 AM
Rating
(10 max)
1
0
0
0
0
0
0
1
0
0
0
0
0
2
1
2
2
1
2
2
3
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
SSW
1.6
SSW
1.4
SSW
1.3
SSW
1.3
SSW
1.3
SSW
1.3
SSW
1.2
SSW
1.2
SSW
1.1
SW
1
SW
1
SW
0.7
SW
0.7
SW
0.7
SW
0.7
SW
0.8
SW
0.8
SW
0.8
SW
0.9
SW
0.8
SSW
1.1
SW
1.1
SW
0.9
SSW
Period(s) (?)121212111111111111111111151514141313131316121213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)669658532443435435379329335288246242209209203179215250246290280335330277
Wind
(km/h)
25
ESE
35
SE
40
SE
45
SE
40
ESE
45
ESE
35
ESE
30
ESE
25
ESE
30
SE
30
SE
30
SE
25
ESE
20
ESE
15
SE
10
E
15
E
15
SW
5
SE
0
SSE
0
ESE
10
SSW
15
SSW
10
SSW
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		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		offoffcross-
on		glassglassglasscrosscrosscross
High Tide
/ height (m)
6:31PM
1.12
6:43AM
1.15
7:10PM
1.01
7:29AM
1.02
8:37PM
0.90
Low Tide
/ height (m)
12:25PM
0.41
12:25AM
0.49
12:59PM
0.53
1:01AM
0.61
2:00PM
0.64
2:25AM
0.73
Monday
09
Tuesday
10
Wednesday
11
Thursday
12
Sunrise-------6:39-------6:41-------6:41
Sunset--7:13-------7:10-------7:09-----
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
part cloud
clear
cloud
part cloud
part cloud
Rain (mm)
------------------------
Temp. °C212424242120192024262428272626273027252627272321
Feels °C (?)161818171413131520222125242324262826262728262322
  • 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

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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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