Double Mouth Surf Break

Lat Long: 32.71° S 28.33° E

Double Mouth 48 hour detailed Surf Forecast

Issued: 1 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Double Mouth sea temperature is
16.9°C
2.9° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 10ft (3.0m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 10ft (3.0m), 9s period with E swell.
  • Evening surf: Evening surf (13 Sep, local time) - 10ft (3.0m), 9s period with E swell.

The current surf forecast for Double Mouth at 9AM is: 1.3m 17s primary swell from a South-southwest direction and 0.5m 10s secondary swell from a South direction, 3.0m 8s secondary swell from a East-southeast direction (forecast issued at 01:00am September 13). The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (13 Sep)10ft (3.0m)8s
Afternoon (13 Sep)10ft (3.0m)9s
Evening (13 Sep)10ft (3.0m)9s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sun morning. Warm (max 26°C on Tue morning, min 18°C on Tue night). Winds decreasing (fresh winds from the E on Sun afternoon, calm by Tue morning).

Sunday
13
Monday
14
Tuesday
15
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
0
0
0
0
0
0
1
1
1
1
2
1
3
1
1
1
1
1
1
0
0
0
0
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
SSW
18
1.2
SSW
18
1.3
SSW
17
3
E
8
3
E
9
3.5
E
9
3.5
E
9
3
E
9
3
E
9
3.5
E
9
3.5
E
9
3.5
E
10
3.5
E
10
2.5
E
10
0.7
SSW
13
0.6
SSW
12
0.6
SSW
12
0.6
SSW
12
0.6
SSW
12
0.5
SSW
11
0.5
SSW
11
0.5
SSW
11
0.4
SSW
11
0.3
SW
11
Wave Graph
Metric surfscale
Energy kJ
704
887
1032
1234
1557
1730
1769
1703
1714
1809
1888
2026
2423
1578
145
103
98
94
88
71
69
68
46
25
Wind (km/h)
20
ENE
20
E
35
E
35
E
35
E
35
E
35
ENE
30
ENE
30
ENE
30
NE
30
NE
25
ENE
30
ENE
15
NE
10
N
15
WNW
10
WSW
5
WNW
5
NNW
5
S
15
S
15
SE
10
ENE
5
NNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
glassy
glassy
cross-on
on
cross-on
cross-off
High Tide
4:40AM1.62m
4:57PM1.74m
5:08AM1.57m
5:23PM1.65m
5:34AM1.48m
5:48PM1.52m
Low Tide
10:42AM-0.02m
11:05PM0.05m
11:09AM0.06m
11:31PM0.13m
11:35AM0.16m
thunderstorm
thunderstorm
light rain
light rain
light rain
light rain
light rain
light rain
cloud
thunderstorm
part cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:07
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:55
5:57
5:58
 mm
1
1
1
2
2
1
1
1
1
Temp °C
20
19
19
19
19
20
20
20
20
20
21
23
23
23
22
24
23
21
22
26
21
21
20
19
Feels °C
19
18
16
15
15
17
17
17
17
17
19
22
21
24
24
23
22
20
21
25
20
20
21
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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