Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
28.5° C
0.8° 

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 (22 Aug):

  • Morning surf: Morning surf (22 Aug, local time) - 3ft (0.9m), 9s period with SSW swell.
  • Afternoon surf: Afternoon surf (22 Aug, local time) - 2.5ft (0.8m), 9s period with SSW swell.
  • Evening surf: Evening surf (22 Aug, local time) - 2.5ft (0.7m), 8s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 5AM is: 0.9m 9s primary swell from a South-southwest direction and 0.4m 11s secondary swell from a Southeast direction (forecast issued at 08:00pm August 21). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (22 Aug)3ft (0.9m)9s
Afternoon (22 Aug)2.5ft (0.8m)9s
Evening (22 Aug)2.5ft (0.7m)8s

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


Short Range Forecast

Mostly dry. Warm (max 30°C on Sun morning, min 25°C on Fri night). Wind will be generally light.

Fri
21
Saturday
22
Sunday
23
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
2
1
1
1
1
0
0
1
1
1
1
1
1
0
0
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
S
9
1
S
9
0.9
SSW
9
0.9
SSW
9
0.9
SSW
9
0.9
SSW
9
0.8
SSW
9
0.8
SSW
9
0.8
SSW
8
0.7
SSW
8
0.7
SSW
8
0.7
SSW
8
0.7
SSW
8
0.7
SSW
8
0.6
SSW
8
0.6
SSW
8
0.7
SSW
8
0.6
SE
12
Wave Graph
Metric surfscale
Energy kJ
164
165
135
138
135
135
106
103
96
73
72
72
72
72
54
54
64
120
Wind (km/h)
5
SSW
5
NW
5
N
0
NNE
5
NNE
5
SW
10
S
10
S
5
SSW
0
N
5
NNE
5
N
5
N
5
SSW
5
S
10
S
5
S
0
ESE
Wind State
on
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
High Tide
10:41PM1.41m
4:35PM1.33m
00:46AM1.36m
4:50PM1.43m
Low Tide
3:45PM1.21m
7:39AM0.66m
8:21PM1.28m
9:06AM0.57m
clear
clear
clear
clear
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>
5:31
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:44
6:43
 mm
Temp °C
28
27
26
25
25
28
29
29
28
27
26
25
25
28
30
30
28
27
Feels °C
33
33
31
30
30
33
32
32
32
32
31
29
29
32
33
33
32
33
  • 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.


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