Sosanji Rivermouth Surf Break

Lat Long: 31.82° N 131.46° E

Sosanji Rivermouth 48 hour detailed Surf Forecast

Issued: 8 am 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Sosanji Rivermouth sea temperature is
27.8°C
0.5° 

Sosanji Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Sosanji Rivermouth today (21 Sep):

  • Morning surf: Morning surf (21 Sep, local time) - 8ft (2.5m), 12s period with E swell.
  • Afternoon surf: Afternoon surf (21 Sep, local time) - 7ft (2.2m), 12s period with E swell.
  • Evening surf: Evening surf (21 Sep, local time) - 5.5ft (1.7m), 11s period with E swell.

The current surf forecast for Sosanji Rivermouth at 4PM is: 2.1m 12s primary swell from a East direction and 0.2m 8s secondary swell from a South direction (forecast issued at 08:00am September 21). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Sep)8ft (2.5m)12s
Afternoon (21 Sep)7ft (2.2m)12s
Evening (21 Sep)5.5ft (1.7m)11s

Table - waves today at Sosanji Rivermouth. (Swell directed towards the surf break)


Short Range Forecast

Mostly dry. Warm (max 27°C on Mon afternoon, min 22°C on Tue night). Wind will be generally light.

Monday
21
Tuesday
22
Wednesday
23
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
!
4
4
3
1
2
2
2
1
1
0
0
0
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)
3
E
12
2.5
E
12
2.5
E
12
2.2
E
12
1.9
E
11
1.7
E
11
1.5
E
11
1.6
ENE
10
1.5
ENE
10
1
E
10
0.9
E
10
0.8
E
9
0.7
E
9
1
NNE
6
0.6
E
9
0.5
E
9
0.6
ENE
9
0.4
E
9
0.6
ENE
8
0.5
ENE
8
0.4
ENE
7
0.3
ESE
9
Wave Graph
Metric surfscale
Energy kJ
2993
2139
1797
1344
906
695
535
520
442
198
151
109
83
63
57
39
62
23
51
33
18
16
Wind (km/h)
10
NW
5
NW
5
ESE
10
E
10
NE
5
N
10
NNE
10
N
10
N
15
NNE
20
NNE
25
NNE
20
NE
15
NNE
15
NE
10
NNE
10
N
10
NNE
10
NE
10
E
5
E
5
NNE
Wind State
cross-off
glassy
glassy
on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
on
glassy
glassy
High Tide
3:54PM1.81m
2:29AM1.69m
4:26PM1.92m
3:39AM1.84m
4:52PM2.01m
Low Tide
8:20AM0.65m
9:31PM1.32m
9:26AM0.56m
10:11PM1.12m
10:14AM0.48m
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:13
6:12
6:09
 mm
Temp °C
23
25
26
27
26
25
25
23
23
24
26
26
26
25
25
23
22
23
24
25
24
24
Feels °C
25
28
28
29
27
27
26
23
23
23
24
23
24
24
25
23
22
24
25
27
27
27
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Sosanji Rivermouth 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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