Double Mouth Surf Break

Lat Long: 32.71° S 28.33° E

Double Mouth 48 hour detailed Surf Forecast

Issued: 7 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Double Mouth sea temperature is
16.4°C
3.4° 

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 (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 1.5ft (0.4m), 13s period with SW swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 1.5ft (0.4m), 15s period with SW swell.
  • Evening surf: Evening surf (10 Sep, local time) - 2.5ft (0.7m), 17s period with SW swell.

The current surf forecast for Double Mouth at 2PM is: 0.4m 15s primary swell from a Southwest direction (forecast issued at 07:00am September 10). An open ocean swell of 1.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (10 Sep)1.5ft (0.4m)13s
Afternoon (10 Sep)1.5ft (0.4m)15s
Evening (10 Sep)2.5ft (0.7m)17s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Fri night. Warm (max 30°C on Thu morning, min 17°C on Fri afternoon). Winds increasing (calm on Thu morning, fresh winds from the ENE by Sat night).

Thursday
10
Friday
11
Saturday
12
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)
1
1
0
0
0
0
0
1
1
1
0
0
0
0
0
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
SW
13
0.4
SW
13
0.3
SW
12
0.4
SW
15
0.5
SW
18
0.7
SW
17
0.9
SW
17
0.9
SSW
16
0.9
SW
15
0.8
SW
15
0.7
SW
14
0.6
SW
14
0.6
SW
13
0.6
SSW
13
0.6
SSW
12
1.2
SSE
7
1.1
S
7
1.6
E
6
1
SSE
8
1
SSE
8
1.7
E
6
2
E
7
2.2
E
7
Wave Graph
Metric surfscale
Energy kJ
45
42
24
54
155
305
400
447
335
255
208
147
138
111
101
139
134
169
107
107
221
349
467
Wind (km/h)
10
NNE
10
N
5
SSW
20
SSW
20
SW
20
SW
25
SW
15
SW
15
SW
10
SW
10
SSW
10
S
10
ESE
15
ENE
15
ENE
15
ENE
20
ENE
25
NE
20
ENE
25
ENE
25
ENE
30
ENE
30
ENE
Wind State
cross-off
cross-off
glassy
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross-on
on
cross-on
cross
cross
cross
cross
cross-on
cross
cross-on
cross-on
cross-on
High Tide
3:28PM1.72m
3:41AM1.63m
3:59PM1.78m
4:11AM1.64m
4:29PM1.79m
Low Tide
9:14AM0.03m
9:39PM0.04m
9:44AM-0.03m
10:09PM0.00m
10:14AM-0.05m
10:38PM0.01m
clear
clear
clear
clear
clear
clear
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
light rain
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:11
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:54
5:55
 mm
1
1
1
1
1
Temp °C
23
25
30
22
19
19
20
18
18
18
18
18
17
17
18
18
18
18
19
19
20
19
20
Feels °C
22
24
30
20
18
18
17
17
17
18
18
18
17
16
17
18
16
16
18
17
18
16
17
  • 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 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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