Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 1 pm 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
14.4°C
1.6° 

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 (0.8m), 12s period with WSW 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 8PM is: 1.1m 13s primary swell from a Southwest direction (forecast issued at 01:00pm September 29). An open ocean swell of 2.4m 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 (0.8m)12s
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

Some drizzle, heaviest during Fri morning. Warm (max 29°C on Wed afternoon, min 15°C on Thu night). Winds decreasing (strong winds from the ESE on Tue night, light winds from the SE by Wed morning).

Tue
29
Wednesday
30
Thursday
1
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)
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
Wave
Height (m)
Direction
Period (s)
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
184
253
335
369
321
336
422
447
440
458
386
386
342
331
273
227
216
209
205
202
161
Wind (km/h)
30
ESE
35
ESE
40
ESE
40
ESE
35
ESE
25
E
20
E
15
E
10
SE
10
ESE
15
ESE
15
ESE
15
NE
20
NNW
30
NNW
30
N
35
NNW
35
NW
25
WNW
15
NW
20
NW
Wind State
off
cross-off
cross-off
off
off
off
off
off
cross-off
cross-off
off
off
cross-off
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:24
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6:22
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
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6:46
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6:46
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6:47
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 mm
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Temp °C
16
22
22
20
17
18
19
21
24
28
29
29
28
26
16
16
21
17
16
16
16
Feels °C
10
16
15
12
11
13
14
17
20
24
25
25
25
22
11
11
15
11
13
14
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.


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