Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 pm 07 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 (07 Aug):

  • Afternoon surf: Afternoon surf (07 Aug, local time) - 13ft (4.0m), 12s period with SSE swell.
  • Evening surf: Evening surf (07 Aug, local time) - 10ft (3.0m), 12s period with S swell.

The current surf forecast for Niyodo Rivermouth at 8PM is: 3.0m 12s primary swell from a South direction and 0.1m 15s secondary swell from a East direction, 2.5m 10s secondary swell from a East-southeast direction (forecast issued at 02:00pm August 07). The wind direction is predicted to be cross-shore and the swell rating is 11.

Time (JST) & DateWave HeightWave Period
Morning (07 Aug)--
Afternoon (07 Aug)13ft (4.0m)12s
Evening (07 Aug)10ft (3.0m)12s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri afternoon. Warm (max 30°C on Fri afternoon, min 25°C on Fri night). Wind will be generally light.

Fri
7
Saturday
8
Sunday
9
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
!
!
4
4
4
3
2
1
3
3
4
4
4
4
2
2
4
4
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)
4.5
SE
12
4
SSE
12
4
SSE
12
3
S
12
2.5
S
12
2.5
S
12
2.3
S
12
2.2
S
11
2
S
11
1.8
SSW
11
1.7
SSW
11
1.7
SSW
11
1.6
SSW
11
1.6
SSW
11
1.6
SSW
12
1.3
E
13
1.4
E
13
1.5
E
13
1.4
E
13
1.4
E
13
Wave Graph
Metric surfscale
Energy kJ
5399
5070
4467
2239
1880
1825
1398
1222
1006
807
724
655
582
604
648
600
704
782
683
683
Wind (km/h)
25
ESE
25
ESE
20
ESE
10
E
10
E
5
NE
5
N
10
ESE
15
SE
20
SSE
10
SE
5
E
5
NNE
5
N
5
NNE
5
S
10
SSE
15
SSE
5
SSE
5
NE
Wind State
cross
cross-on
cross
cross
cross
cross-off
off
cross-on
cross-on
cross-on
cross-on
cross
off
off
off
glassy
on
on
glassy
glassy
High Tide
11:46PM1.54m
3:23PM1.42m
1:20AM1.53m
4:31PM1.57m
Low Tide
5:47PM1.13m
7:38AM0.45m
8:01PM1.21m
9:02AM0.31m
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
clear
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
6:59
6:58
 mm
1
1
1
Temp °C
30
30
28
27
26
25
25
28
30
30
28
26
25
25
25
28
29
29
28
26
Feels °C
31
31
30
30
29
28
28
32
32
30
32
30
28
28
28
32
32
32
33
31
  • 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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