Double Mouth Surf Break

Lat Long: 32.71° S 28.33° E

Double Mouth 48 hour detailed Surf Forecast

Issued: 7 am 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Double Mouth sea temperature is
17.4°C
2.4° 

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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 1.5ft (0.5m), 10s period with SSE swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 1.5ft (0.4m), 10s period with SSE swell.
  • Evening surf: Evening surf (09 Sep, local time) - 1.5ft (0.4m), 12s period with SE swell.

The current surf forecast for Double Mouth at 2PM is: 0.4m 10s primary swell from a South-southeast direction and 0.3m 11s secondary swell from a Southwest direction (forecast issued at 07:00am September 09). An open ocean swell of 1.8m 9s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (SAST) & DateWave HeightWave Period
Morning (09 Sep)1.5ft (0.5m)10s
Afternoon (09 Sep)1.5ft (0.4m)10s
Evening (09 Sep)1.5ft (0.4m)12s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri morning. Warm (max 30°C on Wed morning, min 17°C on Fri night). Winds decreasing (fresh winds from the SW on Thu night, light winds from the SSE by Fri afternoon).

Wednesday
9
Thursday
10
Friday
11
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
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
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)
0.6
SSE
11
0.5
SSE
11
0.5
S
10
0.4
SSE
10
0.4
SSE
10
0.4
SE
12
0.3
SW
14
0.4
SW
14
0.4
SW
13
0.3
SW
13
0.3
SW
12
0.4
SW
15
0.5
SW
18
0.7
SW
17
0.8
SSW
17
0.9
SW
16
0.9
SW
15
0.8
SW
15
0.6
SW
14
0.6
SW
14
0.6
SW
13
0.6
SW
13
0.6
SSW
12
Wave Graph
Metric surfscale
Energy kJ
88
64
51
33
33
35
42
50
45
26
24
54
155
305
351
371
335
255
164
147
138
134
101
Wind (km/h)
15
NE
10
NNE
10
NE
15
ENE
20
ENE
15
NE
10
NE
10
NE
10
NNE
10
NNE
10
SSW
20
SSW
15
SW
20
SW
30
SW
20
SW
15
SW
20
SW
15
SW
5
SSE
10
SE
10
ENE
10
NE
Wind State
cross
cross-off
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
on
on
cross
cross
High Tide
2:55PM1.60m
3:08AM1.56m
3:28PM1.72m
3:41AM1.63m
3:59PM1.78m
Low Tide
8:41AM0.14m
9:05PM0.13m
9:14AM0.03m
9:39PM0.04m
9:44AM-0.03m
10:09PM0.00m
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:13
6:13
6:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:53
5:53
5:54
 mm
1
1
Temp °C
21
23
30
29
23
23
22
22
23
25
28
22
20
19
20
19
18
18
18
18
18
18
18
Feels °C
20
22
29
27
22
23
22
22
22
24
27
21
20
18
17
17
17
17
17
19
18
18
18
  • 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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