Double Mouth Surf Break

Lat Long: 32.71° S 28.33° E

Double Mouth 48 hour detailed Surf Forecast

Issued: 7 pm 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Double Mouth sea temperature is
19.7°C
0.1° 

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 (30 Aug):

  • Morning surf: Morning surf (30 Aug, local time) - 4ft (1.2m), 6s period with SSW swell.
  • Afternoon surf: Afternoon surf (30 Aug, local time) - 4.5ft (1.3m), 7s period with SSW swell.
  • Evening surf: Evening surf (30 Aug, local time) - 4ft (1.2m), 9s period with SSW swell.

The current surf forecast for Double Mouth at 3AM is: 1.4m 6s primary swell from a South-southwest direction and 0.5m 11s secondary swell from a South direction (forecast issued at 07:00pm August 29). An open ocean swell of 1.7m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (30 Aug)4ft (1.2m)6s
Afternoon (30 Aug)4.5ft (1.3m)7s
Evening (30 Aug)4ft (1.2m)9s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Sun afternoon. Warm (max 21°C on Tue morning, min 15°C on Sun night). Winds decreasing (fresh winds from the WSW on Sat night, calm by Mon morning).

Sat
29
Sunday
30
Monday
31
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
1
0
0
0
0
1
1
1
1
0
1
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
S
12
0.6
S
11
1.4
SW
5
1.4
SSW
6
1.4
SSW
6
1.2
SSW
6
1.3
SSW
6
1.3
SSW
7
1.1
SSW
8
1.2
SSW
9
1.1
SSW
9
1
SSW
9
0.9
SSW
9
0.9
SSW
9
0.8
SSW
9
0.8
SSW
10
0.7
SSW
12
0.6
SSW
12
0.7
SSW
11
Wave Graph
Metric surfscale
Energy kJ
130
91
98
132
142
103
140
172
147
237
201
154
140
111
84
107
123
107
109
Wind (km/h)
25
NE
35
WSW
30
SW
20
SW
20
WSW
20
WSW
20
SW
20
SW
15
SW
10
SSW
10
SW
10
WSW
10
WSW
10
SW
5
S
10
SE
15
E
15
NE
10
NNE
Wind State
cross
cross-off
cross
cross
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
cross-off
cross
glassy
on
cross-on
cross
cross-off
High Tide
4:34PM1.73m
4:43AM1.62m
5:02PM1.74m
5:12AM1.60m
5:31PM1.71m
Low Tide
10:41PM0.04m
10:47AM-0.03m
11:10PM0.04m
11:15AM0.00m
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
light rain
light rain
cloud
light rain
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:26
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:46
5:47
5:47
 mm
1
1
1
1
Temp °C
25
19
20
20
18
18
17
17
16
16
15
15
15
15
17
18
17
17
16
Feels °C
23
14
16
17
15
16
14
14
13
15
14
14
14
14
17
17
16
16
15
  • 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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