Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 1 pm 24 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 (24 Sep):

  • Morning surf: Morning surf (24 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
  • Afternoon surf: Afternoon surf (24 Sep, local time) - 6ft (1.8m), 14s period with SSW swell.
  • Evening surf: Evening surf (24 Sep, local time) - 6ft (1.9m), 13s period with SSW swell.

The current surf forecast for Extensions at 7PM is: 2.0m 14s primary swell from a South-southwest direction (forecast issued at 01:00pm September 24). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 4.

Time (SAST) & DateWave HeightWave Period
Morning (24 Sep)3ft (0.9m)16s
Afternoon (24 Sep)6ft (1.8m)14s
Evening (24 Sep)6ft (1.9m)13s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri night. Very mild (max 19°C on Thu night, min 14°C on Thu night). Winds increasing (calm on Thu night, strong winds from the SSE by Sun morning).

Thu
24
Friday
25
Saturday
26
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)
3
3
3
4
3
4
3
3
2
2
3
2
3
3
3
3
3
2
2
2
2
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)
1.3
SSW
16
1.7
SSW
15
1.9
SSW
14
2
SSW
13
1.9
SSW
13
1.8
SW
13
1.8
SW
12
1.7
SW
12
1.7
SW
12
1.6
SW
12
1.6
SW
12
1.5
SW
12
1.6
SW
12
1.1
SW
16
1.4
SW
16
2.2
SW
15
2.3
SW
15
2.3
SW
15
2.3
SW
14
2.2
SW
14
2.2
SW
14
Wave Graph
Metric surfscale
Energy kJ
806
1145
1422
1349
1180
1028
964
850
822
747
734
614
666
643
954
2237
2469
2278
2232
1977
1850
Wind (km/h)
5
WSW
15
SW
5
S
0
NW
10
W
10
W
10
WNW
10
NW
15
SW
10
SSW
5
W
10
SSW
10
SSE
15
SE
20
SSE
20
SSE
25
SSE
25
SSE
30
SSE
30
SSE
35
SSE
Wind State
glassy
cross-on
cross
glassy
on
on
on
cross-on
cross-on
cross
glassy
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
2:01PM1.47m
2:15AM1.43m
2:29PM1.57m
2:46AM1.50m
2:59PM1.65m
Low Tide
8:15PM0.18m
8:20AM0.14m
8:44PM0.08m
8:49AM0.08m
9:14PM0.01m
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
rain showers
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:31
6:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:44
6:45
 mm
1
1
Temp °C
16
16
16
19
17
15
14
15
15
15
16
16
16
16
16
16
16
16
16
16
16
Feels °C
17
15
16
21
17
15
14
15
14
14
17
15
15
14
14
14
13
13
12
11
11
  • 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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