Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 pm 25 Aug 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.4°C
1.7° 

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 (25 Aug):

  • Afternoon surf: Afternoon surf (25 Aug, local time) - 11ft (3.5m), 14s period with SSE swell.
  • Evening surf: Evening surf (25 Aug, local time) - 10ft (3.0m), 13s period with SSE swell.

The current surf forecast for Niyodo Rivermouth at 7PM is: 3.0m 13s primary swell from a South-southeast direction and 0.5m 14s secondary swell from a East direction (forecast issued at 02:00pm August 25). The wind direction is predicted to be glassy and the swell rating is 11.

Time (JST) & DateWave HeightWave Period
Morning (25 Aug)--
Afternoon (25 Aug)11ft (3.5m)14s
Evening (25 Aug)10ft (3.0m)13s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Wed night. Warm (max 30°C on Tue afternoon, min 26°C on Tue night). Wind will be generally light.

Tue
25
Wednesday
26
Thursday
27
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
4
2
3
3
3
3
3
3
2
1
1
1
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)
3
SSE
14
3.5
SSE
14
3
SSE
13
3
SSE
13
3
SSE
13
2.5
SSE
12
2.3
S
12
2
S
12
2.2
S
11
1.9
S
12
1.8
SSW
12
1.6
SSW
11
1.5
SSW
11
1.4
SSW
10
1.3
SSW
10
1.3
SSW
10
1
SSW
9
1.1
SSE
10
1.1
SSE
9
1.1
SSE
9
Wave Graph
Metric surfscale
Energy kJ
3200
4247
3521
2853
2422
1898
1480
1055
1170
959
913
593
496
380
325
305
176
226
201
188
Wind (km/h)
10
S
5
SSE
5
S
0
E
5
NNE
5
NNE
5
NNE
0
SE
10
S
10
S
10
S
0
SSW
0
NE
0
WNW
0
NW
5
S
10
SSW
10
S
10
S
5
SSW
Wind State
on
glassy
on
glassy
off
glassy
glassy
glassy
on
on
on
glassy
glassy
glassy
glassy
on
on
on
on
glassy
High Tide
5:30PM1.61m
4:25AM1.63m
5:51PM1.69m
5:03AM1.74m
6:12PM1.76m
Low Tide
10:58PM0.96m
11:10AM0.25m
11:25PM0.84m
11:40AM0.20m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
thunderstorm
thunderstorm
cloud
thunderstorm
part cloud
cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:39
6:38
6:37
 mm
1
1
1
1
Temp °C
30
30
28
27
26
26
26
29
30
30
29
27
27
27
27
28
29
29
28
27
Feels °C
33
34
33
33
31
31
31
34
34
34
34
33
33
33
33
33
33
33
32
32
  • 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