Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 1 am 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
14.8°C
1.1° 

Extensions surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Extensions today (29 Sep):

  • Morning surf: Morning surf (29 Sep, local time) - 2.5ft (0.7m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (29 Sep, local time) - 3ft (0.9m), 13s period with SW swell.
  • Evening surf: Evening surf (29 Sep, local time) - 3.5ft (1.0m), 13s period with SW swell.

The current surf forecast for Extensions at 5AM is: 0.9m 12s primary swell from a West-southwest direction and 0.6m 14s secondary swell from a Southwest direction (forecast issued at 01:00am September 29). An open ocean swell of 2.1m 8s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (SAST) & DateWave HeightWave Period
Morning (29 Sep)2.5ft (0.7m)14s
Afternoon (29 Sep)3ft (0.9m)13s
Evening (29 Sep)3.5ft (1.0m)13s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Wed afternoon, min 12°C on Tue morning). Winds decreasing (strong winds from the ESE on Tue night, light winds from the SE by Wed afternoon).

Tuesday
29
Wednesday
30
Thursday
1
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
11 PM
Rating
(10 max)
0
0
0
1
0
0
0
1
3
2
2
2
2
2
2
2
0
0
0
0
0
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
WSW
12
0.9
WSW
12
0.7
SW
14
0.7
SW
14
0.8
SW
13
1
SW
13
1.1
SW
13
1
SW
13
1
SW
13
1.1
SW
14
1.1
SW
14
1.1
SW
14
1.1
SW
13
1.1
SW
13
1.1
SW
13
1
SW
13
1
SW
13
0.9
SW
13
0.9
SW
12
0.9
SW
12
0.9
SW
12
0.9
SW
12
0.9
SW
12
0.8
SW
12
Wave Graph
Metric surfscale
Energy kJ
218
215
189
184
253
335
369
321
336
422
447
440
398
386
386
342
331
273
227
216
209
205
202
161
Wind (km/h)
40
ESE
40
ESE
40
ESE
30
ESE
35
ESE
40
ESE
40
ESE
35
ESE
25
ESE
20
E
15
E
10
ESE
10
SE
10
SE
15
SE
10
ENE
25
NNW
35
NNW
30
N
35
NNW
35
NW
30
WNW
15
N
20
WNW
Wind State
off
off
off
off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross-on
High Tide
4:25AM1.51m
4:38PM1.62m
5:03AM1.44m
5:17PM1.51m
5:45AM1.33m
6:02PM1.37m
Low Tide
10:26AM0.10m
10:55PM0.06m
11:03AM0.18m
11:35PM0.17m
11:46AM0.29m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
6:26
—
—
—
—
—
—
—
6:24
—
—
—
—
—
—
—
6:22
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:46
—
—
—
—
—
—
—
6:46
—
—
—
—
—
—
—
6:47
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
12
12
12
16
22
22
20
17
18
19
21
24
27
26
25
27
25
15
17
20
18
16
16
16
Feels °C
5
5
5
10
16
14
12
11
13
14
17
20
23
24
22
24
20
10
12
14
12
12
15
13
  • 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
How to use the Wavefinder 

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.


Nearest locationNearest