Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 7 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 (25 Sep):

  • Morning surf: Morning surf (25 Sep, local time) - 5.5ft (1.7m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (25 Sep, local time) - 5ft (1.6m), 12s period with SW swell.
  • Evening surf: Evening surf (25 Sep, local time) - 5ft (1.5m), 12s period with SW swell.

The current surf forecast for Extensions at 1AM is: 1.9m 13s primary swell from a South-southwest direction (forecast issued at 07:00pm September 24). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (25 Sep)5.5ft (1.7m)12s
Afternoon (25 Sep)5ft (1.6m)12s
Evening (25 Sep)5ft (1.5m)12s

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


Short Range Forecast

Some drizzle, heaviest during Sat morning. Very mild (max 17°C on Sat afternoon, min 14°C on Sat night). Winds increasing (light winds from the W on Thu night, near gales from the SE by Sun afternoon).

Thu
24
Friday
25
Saturday
26
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)
4
4
3
3
2
1
3
2
2
2
3
4
3
3
3
3
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
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
2.3
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
1422
1349
1180
1028
964
850
822
747
734
614
666
643
954
2390
2502
2278
2114
1977
1850
Wind (km/h)
10
SW
5
W
15
WNW
15
WNW
10
WNW
15
WNW
10
SW
10
WSW
10
WSW
5
S
10
SE
10
SSE
20
SSE
15
SSE
20
SSE
20
SSE
30
SSE
35
SSE
35
SSE
Wind State
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
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
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
cloud
cloud
clear
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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6:31
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6:30
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
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6:44
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6:45
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 mm
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1
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Temp °C
16
16
16
15
15
15
15
16
16
16
16
16
16
16
16
17
16
16
15
Feels °C
16
17
16
14
14
14
15
15
15
16
15
15
14
14
14
15
12
11
10
  • 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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