Double Mouth Surf Break

Lat Long: 32.71° S 28.33° E

Double Mouth 48 hour detailed Surf Forecast

Issued: 7 am 19 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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 7ft (2.2m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 6ft (1.8m), 9s period with E swell.
  • Evening surf: Evening surf (19 Sep, local time) - 5ft (1.6m), 9s period with E swell.

The current surf forecast for Double Mouth at 3PM is: 1.8m 9s primary swell from a East direction and 0.7m 13s secondary swell from a Southwest direction (forecast issued at 07:00am September 19). The wind direction is predicted to be glassy and the swell rating is 3.

Time (SAST) & DateWave HeightWave Period
Morning (19 Sep)7ft (2.2m)9s
Afternoon (19 Sep)6ft (1.8m)9s
Evening (19 Sep)5ft (1.6m)9s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat afternoon. Warm (max 22°C on Sun morning, min 17°C on Sat morning). Wind will be generally light.

Saturday
19
Sunday
20
Monday
21
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)
3
3
4
3
3
2
2
2
2
3
2
1
2
3
3
2
2
2
0
0
1
2
1
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)
2.3
E
9
2.2
E
9
2.2
E
9
1.8
E
9
1.7
E
9
1.6
E
9
1.5
E
8
1.5
E
8
1.5
E
8
0.9
SSW
16
1.1
SSW
16
1.3
SSW
15
1.3
SSW
14
1.2
SSW
14
1.1
SW
13
0.9
SSW
13
0.9
SW
13
0.7
SW
13
0.7
SW
12
0.9
E
8
0.9
E
8
0.9
E
8
0.9
E
8
Wave Graph
Metric surfscale
Energy kJ
854
794
766
492
439
380
319
304
297
387
589
674
621
486
400
299
245
162
154
120
108
111
111
Wind (km/h)
20
NNE
20
NNE
15
NNE
5
NNW
10
NNE
10
N
10
N
5
N
5
WNW
10
W
10
SSW
15
S
10
SSW
10
W
5
WNW
5
W
10
WSW
5
WSW
10
S
10
SSE
10
ESE
5
NNE
10
NE
Wind State
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
glassy
off
cross-off
cross
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
on
on
cross-off
cross
High Tide
7:28AM0.96m
8:05PM0.94m
12:14PM0.90m
00:33AM0.98m
1:22PM1.06m
Low Tide
1:38PM0.73m
3:59AM0.75m
6:19PM0.77m
7:01AM0.64m
7:25PM0.63m
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:00
6:00
6:00
 mm
2
3
Temp °C
16
17
18
17
17
18
20
19
19
19
22
21
20
19
19
18
18
19
20
20
20
19
18
Feels °C
13
15
17
17
16
17
19
19
19
19
22
20
20
19
19
18
18
20
20
20
21
21
19
  • 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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