Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 pm 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
28.9° C
1.3° 

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 Aug):

  • Afternoon surf: Afternoon surf (13 Aug, local time) - 2.5ft (0.8m), 9s period with SSW swell.
  • Evening surf: Evening surf (13 Aug, local time) - 2.5ft (0.8m), 9s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 6PM is: 0.8m 9s primary swell from a South-southwest direction and 0.4m 9s secondary swell from a East direction (forecast issued at 02:00pm August 13). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Aug)--
Afternoon (13 Aug)2.5ft (0.8m)9s
Evening (13 Aug)2.5ft (0.8m)9s

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


Short Range Forecast

Moderate rain (total 18mm), heaviest on Sun morning. Warm (max 28°C on Fri morning, min 24°C on Thu night). Wind will be generally light.

Thu
13
Friday
14
Saturday
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
0
0
1
1
1
1
1
0
0
0
1
1
2
2
2
0
0
0
1
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)
0.8
SSW
9
0.8
SSW
9
0.8
SSW
9
0.8
SSW
9
0.8
S
9
0.8
S
9
0.8
S
9
0.8
SSW
9
0.8
SSW
9
0.8
SSW
9
0.7
S
9
0.6
E
10
0.6
E
10
0.8
S
10
0.8
S
10
0.8
S
10
0.8
S
9
0.7
S
9
0.7
S
9
0.7
E
10
Wave Graph
Metric surfscale
Energy kJ
110
110
110
108
101
101
96
99
99
99
73
71
71
125
122
117
106
79
78
94
Wind (km/h)
15
SE
15
SSE
10
SE
5
E
5
NE
5
NNE
5
NE
5
SE
10
S
10
S
5
SSW
5
N
5
NNE
5
N
5
NNE
5
S
10
S
10
SSE
5
SE
5
ENE
Wind State
cross-on
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
glassy
on
on
on
glassy
glassy
glassy
off
glassy
on
on
cross-on
cross-off
High Tide
6:59PM1.87m
6:27AM1.93m
7:27PM1.86m
7:10AM1.89m
7:54PM1.84m
Low Tide
00:40AM0.67m
1:00PM0.06m
1:16AM0.57m
1:33PM0.19m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
rain showers
rain showers
clear
thunderstorm
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:26
5:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:53
6:52
6:52
 mm
3
3
1
1
1
2
1
1
1
Temp °C
27
27
27
25
24
24
24
27
28
28
27
25
24
24
24
27
28
28
27
26
Feels °C
29
29
30
29
27
27
27
31
30
30
30
29
27
27
26
30
30
31
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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