Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 7 am 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
14.2°C
1.8° 

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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 3.5ft (1.1m), 14s period with SW swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 3.5ft (1.1m), 13s period with SW swell.
  • Evening surf: Evening surf (30 Sep, local time) - 3.5ft (1.1m), 13s period with SW swell.

The current surf forecast for Extensions at 2PM is: 1.1m 13s primary swell from a Southwest direction (forecast issued at 07:00am September 30). An open ocean swell of 0.2m 8s is not directed at the surf break, a second open ocean swell of 0.8m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (SAST) & DateWave HeightWave Period
Morning (30 Sep)3.5ft (1.1m)14s
Afternoon (30 Sep)3.5ft (1.1m)13s
Evening (30 Sep)3.5ft (1.1m)13s

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


Short Range Forecast

Mostly dry. Warm (max 29°C on Wed afternoon, min 14°C on Fri night). Winds increasing (light winds from the SE on Wed afternoon, fresh winds from the NW by Wed night).

Wednesday
30
Thursday
1
Friday
2
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)
2
2
3
2
1
2
2
2
0
0
0
0
0
1
0
0
0
0
0
1
3
2
1
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)
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
0.8
SW
12
0.8
SW
12
0.6
WSW
12
0.5
WSW
11
0.5
WSW
12
0.6
WSW
12
1.7
WSW
11
2.1
WSW
11
2.1
WSW
11
1.5
W
10
Wave Graph
Metric surfscale
Energy kJ
422
447
507
458
444
386
342
331
273
227
216
209
205
167
161
91
74
79
109
693
1011
1016
440
Wind (km/h)
20
E
15
E
15
E
10
SE
20
ESE
20
ESE
15
ENE
15
NNE
40
NW
30
N
30
NNW
35
NW
30
WNW
15
N
20
NW
25
NW
20
NNW
15
NW
10
WSW
15
SSW
20
SSE
25
SSE
30
SSE
Wind State
off
off
off
cross-off
cross-off
off
off
cross-off
cross-on
cross
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
High Tide
5:17PM1.51m
5:45AM1.33m
6:02PM1.37m
6:37AM1.21m
7:01PM1.22m
Low Tide
11:03AM0.18m
11:35PM0.17m
11:46AM0.29m
00:23AM0.30m
12:40PM0.43m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
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6:22
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—
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6:22
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:46
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—
—
—
—
—
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6:47
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6:49
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 mm
—
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—
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Temp °C
19
21
24
29
29
28
27
28
17
16
21
17
15
16
16
16
15
16
15
15
15
15
14
Feels °C
14
17
19
25
23
23
23
25
11
11
15
11
11
14
13
13
12
14
14
13
12
10
8
  • 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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