Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 pm 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.4° C
1.8° 

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 (04 Aug):

  • Afternoon surf: Afternoon surf (04 Aug, local time) - 11ft (3.5m), 17s period with ESE swell.
  • Evening surf: Evening surf (04 Aug, local time) - 13ft (4.0m), 16s period with ESE swell.

The current surf forecast for Niyodo Rivermouth at 9PM is: 4.0m 16s primary swell from a East-southeast direction (forecast issued at 02:00pm August 04). The wind direction is predicted to be glassy and the swell rating is 11.

Time (JST) & DateWave HeightWave Period
Morning (04 Aug)--
Afternoon (04 Aug)11ft (3.5m)17s
Evening (04 Aug)13ft (4.0m)16s

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


Short Range Forecast

Some drizzle, heaviest during Tue afternoon. Warm (max 33°C on Thu morning, min 25°C on Tue night). Winds increasing (calm on Wed morning, fresh winds from the E by Fri morning).

Tue
4
Wednesday
5
Thursday
6
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)
3
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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)
2.5
ESE
16
3.5
ESE
17
3
ESE
17
4
ESE
16
3.5
ESE
16
4
ESE
17
4.5
ESE
16
4.5
ESE
16
5
ESE
16
5
ESE
16
5.5
ESE
16
5.5
SE
16
5.5
SE
16
5.5
SE
16
5.5
SE
16
5.5
SE
16
6
SE
16
6
SE
16
6
SE
16
6
SE
16
Wave Graph
Metric surfscale
Energy kJ
3676
7686
4484
7403
6568
9784
9764
10592
11471
12248
15711
13882
13647
14113
14554
15466
17279
18547
17578
17178
Wind (km/h)
15
SSE
10
SSE
10
SE
5
NE
5
NE
5
NE
5
NNE
0
SE
10
S
15
SSE
5
SSE
5
NNE
5
NNE
10
NNE
10
NNE
15
E
25
ESE
25
ESE
20
E
15
ENE
Wind State
cross-on
on
cross-on
glassy
glassy
glassy
glassy
glassy
on
cross-on
glassy
glassy
cross-off
cross-off
off
cross
cross
cross
cross
cross-off
High Tide
9:23PM1.72m
10:00AM1.47m
9:57PM1.67m
11:18AM1.36m
Low Tide
3:05PM0.59m
3:51AM0.55m
3:42PM0.77m
4:49AM0.54m
4:29PM0.96m
thunderstorm
rain showers
cloud
cloud
cloud
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>
5:18
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:02
7:01
7:00
 mm
1
1
Temp °C
28
28
27
26
26
26
25
29
31
31
30
27
26
26
26
31
33
33
30
28
Feels °C
31
32
31
31
31
31
29
33
34
33
35
31
29
28
28
32
32
32
31
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.


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