Double Mouth Surf Break

Lat Long: 32.71° S 28.33° E

Double Mouth 48 hour detailed Surf Forecast

Issued: 1 pm 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Double Mouth sea temperature is
18.2°C
1.6° 

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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 2.5ft (0.8m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 6ft (1.9m), 6s period with SSW swell.
  • Evening surf: Evening surf (16 Sep, local time) - 6ft (1.9m), 7s period with SSW swell.

The current surf forecast for Double Mouth at 5PM is: 1.7m 11s primary swell from a South-southwest direction and 0.5m 14s secondary swell from a Southwest direction (forecast issued at 01:00pm September 16). An open ocean swell of 1.5m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (SAST) & DateWave HeightWave Period
Morning (16 Sep)2.5ft (0.8m)12s
Afternoon (16 Sep)6ft (1.9m)6s
Evening (16 Sep)6ft (1.9m)7s

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


Short Range Forecast

Heavy rain (total 69mm), heaviest during Thu night. Very mild (max 18°C on Sat morning, min 12°C on Thu afternoon). Winds decreasing (fresh winds from the SSW on Wed afternoon, light winds from the SE by Thu night).

Wed
16
Thursday
17
Friday
18
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
3
0
0
0
0
2
2
3
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)
0.5
SW
16
1.9
SSW
6
1.7
SSW
11
1.9
SSW
7
2.1
SSW
14
1.2
S
6
1.2
SSE
6
0.9
SW
14
1.4
SE
7
1.3
E
10
1.5
E
10
2
E
10
2.4
ESE
8
2.5
ESE
8
2.5
ESE
8
2.4
ESE
8
2
E
9
2.2
E
9
2.4
ESE
9
2.3
ESE
9
2.2
E
9
Wave Graph
Metric surfscale
Energy kJ
122
268
674
307
1900
119
114
308
171
353
443
770
741
887
817
808
621
769
878
791
794
Wind (km/h)
30
SSW
30
SW
30
SSW
20
SSW
15
SW
15
S
20
S
20
SE
15
SE
10
SSE
10
SSW
5
SE
25
E
20
E
20
ESE
25
ESE
30
ESE
25
E
20
E
25
ENE
25
ENE
Wind State
cross
cross
cross-on
cross
cross
cross-on
cross-on
on
on
on
cross-on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:13PM1.38m
6:24AM1.24m
6:37PM1.24m
6:50AM1.10m
7:05PM1.09m
Low Tide
12:00PM0.28m
00:22AM0.36m
12:26PM0.42m
00:50AM0.50m
12:54PM0.57m
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
mod rain
mod rain
light rain
mod rain
light rain
light rain
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:58
5:59
6:00
 mm
2
4
3
3
4
4
4
2
4
5
7
6
3
7
2
1
1
1
Temp °C
18
17
15
14
14
14
14
14
14
13
12
13
15
16
16
15
17
16
16
17
17
Feels °C
13
12
10
11
12
12
11
11
11
12
11
12
11
12
13
11
11
11
12
13
13
  • 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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