Surf Break

Lat Long: 34.34° S 18.46° E

Extensions 48 hour detailed Surf Forecast

Issued: 1 pm 19 Oct 2026 (local time)

Forecast update in  hr  min

Today's Extensions sea temperature is
16.0°C
0.5° 

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 (19 Oct):

  • Morning surf: Morning surf (19 Oct, local time) - 7.5ft (2.3m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (19 Oct, local time) - 7ft (2.1m), 12s period with SW swell.
  • Evening surf: Evening surf (19 Oct, local time) - 6ft (1.9m), 11s period with SW swell.

The current surf forecast for Extensions at 7PM is: 2.0m 11s primary swell from a Southwest direction (forecast issued at 01:00pm October 19). The wind direction is predicted to be onshore.

Time (SAST) & DateWave HeightWave Period
Morning (19 Oct)7.5ft (2.3m)12s
Afternoon (19 Oct)7ft (2.1m)12s
Evening (19 Oct)6ft (1.9m)11s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Wed morning. Very mild (max 17°C on Wed afternoon, min 13°C on Mon night). Winds increasing (light winds from the WNW on Mon night, strong winds from the NNW by Tue night).

Mon
19
Tuesday
20
Wednesday
21
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
2
1
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
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)
2.2
SW
12
2.1
SW
12
2.1
SW
12
2
SW
11
1.9
SW
11
1.8
SW
11
1.8
SW
11
1.7
SW
11
1.8
SW
11
1.8
SW
11
2.1
SW
11
2.5
WSW
12
3
SW
12
3
SW
12
4
WSW
12
4
WSW
12
3.5
WSW
12
3
WSW
12
3
WSW
12
2.2
SW
12
2.1
SW
12
Wave Graph
Metric surfscale
Energy kJ
1313
1208
1111
964
882
802
743
683
743
787
1147
2069
2271
2894
4491
4283
3610
2850
2135
1324
1234
Wind (km/h)
15
SW
15
SW
15
WSW
20
WSW
15
WSW
10
WNW
15
NW
20
NNW
25
NNW
30
NW
40
NW
40
NNW
45
NNW
40
NNW
35
NNW
35
NNW
30
NW
25
WNW
25
WNW
25
WNW
25
W
Wind State
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
High Tide
10:06AM0.99m
10:36PM0.96m
11:25AM1.09m
11:45PM1.06m
12:09PM1.22m
Low Tide
4:42PM0.67m
4:58AM0.59m
5:52PM0.56m
5:54AM0.49m
6:33PM0.43m
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
rain showers
light rain
cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
—
5:58
—
—
—
—
—
—
—
5:56
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
7:01
—
—
—
—
—
—
—
7:02
—
—
—
—
—
—
—
7:04
—
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 mm
—
—
—
—
—
—
—
—
—
—
—
1
1
1
1
2
2
1
—
—
—
Temp °C
14
15
15
15
14
14
13
13
15
15
15
15
14
14
15
15
16
17
17
17
16
Feels °C
11
12
11
11
11
11
10
9
10
8
8
8
6
7
9
10
12
13
13
13
12
  • 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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