Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
27.9°C
0.9° 

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 (13 Sep):

  • Afternoon surf: Afternoon surf (13 Sep, local time) - 3ft (0.9m), 13s period with ESE swell.
  • Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.5m), 13s period with E swell.

The current surf forecast for Niyodo Rivermouth at 10PM is: 0.9m 8s primary swell from a Southeast direction and 0.5m 13s secondary swell from a East direction (forecast issued at 02:00pm September 13). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (13 Sep)--
Afternoon (13 Sep)3ft (0.9m)13s
Evening (13 Sep)1.5ft (0.5m)13s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Mon night. Warm (max 28°C on Sun afternoon, min 23°C on Mon night). Wind will be generally light.

Sun
13
Monday
14
Tuesday
15
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)
0
1
0
1
2
2
2
2
1
1
1
1
2
2
2
2
2
2
2
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)
0.5
E
13
0.9
ESE
13
0.6
E
13
0.5
E
13
1
SE
8
1.1
SE
9
1.1
SE
8
1.1
SE
8
1.1
SE
8
1.1
SE
8
1.1
SE
8
1.1
SE
8
1.2
SE
9
1.3
ESE
10
1.4
ESE
10
1.4
ESE
9
1.4
ESE
9
1.3
ESE
9
1.3
ESE
9
1.3
ESE
9
Wave Graph
Metric surfscale
Energy kJ
87
257
126
84
138
170
166
162
162
154
162
154
253
307
342
334
327
282
255
255
Wind (km/h)
10
SE
10
SSE
5
SE
5
E
5
ENE
5
NE
5
NNE
5
SSE
5
SSE
10
S
10
SSE
10
SSE
5
SSE
5
NNE
5
NNE
0
NW
5
NNW
5
WSW
0
NE
5
NNE
Wind State
cross-on
on
cross-on
glassy
cross-off
cross-off
cross-off
glassy
cross-on
on
on
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
High Tide
7:06PM1.85m
7:33AM1.81m
7:27PM1.81m
8:10AM1.69m
7:49PM1.75m
Low Tide
1:18AM0.30m
1:29PM0.54m
1:49AM0.31m
1:53PM0.70m
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
part cloud
cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:14
6:13
 mm
1
1
1
1
2
1
1
1
3
2
Temp °C
27
28
27
26
25
25
24
27
27
28
26
25
24
24
23
25
25
26
25
24
Feels °C
31
32
32
31
29
29
27
31
31
32
29
29
28
28
26
29
29
29
29
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 

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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