Double Mouth Surf Break

Lat Long: 32.71° S 28.33° E

Double Mouth 48 hour detailed Surf Forecast

Issued: 1 am 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's Double Mouth sea temperature is
17.7°C
2.2° 

Double Mouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Double Mouth today (22 Sep):

  • Morning surf: Morning surf (22 Sep, local time) - 2.5ft (0.7m), 15s period with SSW swell.
  • Afternoon surf: Afternoon surf (22 Sep, local time) - 2.5ft (0.7m), 14s period with SSW swell.
  • Evening surf: Evening surf (22 Sep, local time) - 6ft (1.9m), 7s period with E swell.

The current surf forecast for Double Mouth at 10AM is: 0.7m 14s primary swell from a South-southwest direction and 0.5m 5s secondary swell from a South direction, 1.1m 9s secondary swell from a East direction (forecast issued at 01:00am September 22). The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (22 Sep)2.5ft (0.7m)15s
Afternoon (22 Sep)2.5ft (0.7m)14s
Evening (22 Sep)6ft (1.9m)7s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Wed afternoon. Warm (max 28°C on Wed morning, min 18°C on Thu night). Winds decreasing (fresh winds from the ENE on Tue afternoon, light winds from the S by Thu morning).

Tuesday
22
Wednesday
23
Thursday
24
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
2 AM
5 AM
8 AM
11 AM
2 PM
5 PM
8 PM
11 PM
Rating
(10 max)
0
1
0
0
0
0
0
1
1
1
1
0
0
0
2
1
0
2
0
0
0
0
1
3
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)
0.8
E
8
0.9
E
8
0.7
SSW
15
1.1
E
9
0.7
SSW
14
1.7
E
6
1.9
E
7
2
E
7
2
E
8
0.5
S
14
0.6
S
14
0.5
S
12
0.5
S
12
0.6
S
12
1.1
E
8
0.6
S
11
0.6
S
11
0.7
SE
11
0.7
SE
10
0.8
ESE
10
0.8
ESE
10
0.6
SSW
16
0.9
SSW
16
1.2
SSW
15
Wave Graph
Metric surfscale
Energy kJ
88
111
188
186
183
193
321
416
451
93
144
75
72
98
145
84
83
119
106
122
117
206
435
588
Wind (km/h)
5
ENE
15
NE
20
NE
25
ENE
30
ENE
35
ENE
30
NE
20
NE
20
NE
10
NNE
5
WSW
10
SSW
20
S
15
SW
15
W
15
WSW
15
SW
10
SW
10
SW
5
S
10
SE
15
E
15
ENE
10
NE
Wind State
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross
cross-on
cross
cross-off
cross-off
cross
cross-off
cross
cross-on
on
cross-on
cross-on
cross
High Tide
1:24AM1.12m
1:51PM1.22m
1:56AM1.26m
2:17PM1.38m
2:24AM1.39m
2:42PM1.53m
Low Tide
7:36AM0.49m
7:56PM0.48m
8:03AM0.34m
8:23PM0.33m
8:28AM0.21m
8:49PM0.19m
cloud
cloud
clear
clear
part cloud
clear
cloud
clear
clear
part cloud
part cloud
clear
part cloud
thunderstorm
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:01
6:02
6:02
 mm
2
Temp °C
20
19
20
21
21
20
19
19
19
19
23
28
25
22
22
21
20
19
19
22
21
20
19
19
Feels °C
21
19
19
19
18
17
16
18
18
20
24
28
23
22
22
21
20
20
20
24
22
20
19
20
  • 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 

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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Double Mouth 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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