Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
28.5°C
1.4° 

Niyodo 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 Niyodo Rivermouth today (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 3ft (0.9m), 7s period with SSE swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 1.5ft (0.5m), 14s period with E swell.
  • Evening surf: Evening surf (12 Sep, local time) - 2ft (0.6m), 14s period with E swell.

The current surf forecast for Niyodo Rivermouth at 3PM is: 0.5m 14s primary swell from a East direction and 0.6m 7s secondary swell from a South direction, 0.6m 4s secondary swell from a East direction (forecast issued at 08:00am September 12). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (12 Sep)3ft (0.9m)7s
Afternoon (12 Sep)1.5ft (0.5m)14s
Evening (12 Sep)2ft (0.6m)14s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Mon afternoon. Warm (max 28°C on Sun morning, min 24°C on Sun night). Wind will be generally light.

Saturday
12
Sunday
13
Monday
14
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)
1
1
1
1
1
1
2
1
1
1
0
1
1
2
2
2
2
2
1
0
0
2
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)
0.9
SSE
7
0.9
SSE
7
0.5
E
14
0.5
E
14
0.5
E
14
0.6
E
14
0.6
E
14
0.5
E
14
0.5
E
13
0.5
E
13
0.5
E
13
0.9
ESE
13
0.6
E
13
0.6
E
13
0.9
SE
8
1
SE
9
1.1
SE
9
1.1
SE
8
1
ESE
8
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
Wave Graph
Metric surfscale
Energy kJ
82
68
89
89
89
134
142
93
88
85
87
257
126
121
118
145
170
166
147
117
123
114
Wind (km/h)
5
NNW
5
WSW
5
SSW
5
S
5
S
5
NNW
5
NNE
5
NNE
5
ENE
5
SE
10
SSE
10
SSE
5
SSE
5
NE
5
NNE
5
NNE
5
NNE
0
SW
10
S
10
SSE
5
S
5
NNE
Wind State
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
cross-off
off
cross-off
glassy
on
on
on
glassy
High Tide
6:17AM1.93m
6:43PM1.87m
6:55AM1.89m
7:06PM1.85m
7:33AM1.81m
7:27PM1.81m
Low Tide
12:32PM0.26m
00:46AM0.35m
1:01PM0.39m
1:18AM0.30m
1:29PM0.54m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
part cloud
part cloud
thunderstorm
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:46
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:15
6:14
 mm
1
1
2
1
1
1
2
4
1
Temp °C
26
27
27
27
27
26
25
25
25
26
28
28
27
25
25
25
24
27
28
27
26
25
Feels °C
31
32
32
32
33
31
30
29
29
30
32
31
32
30
29
29
27
31
32
30
30
30
  • 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 Niyodo 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.


Nearest locationNearest