Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 pm 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.1° C
1.4° 

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 (11 Aug):

  • Afternoon surf: Afternoon surf (11 Aug, local time) - 3.5ft (1.1m), 10s period with SSW swell.
  • Evening surf: Evening surf (11 Aug, local time) - 3.5ft (1.1m), 10s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 9PM is: 1.1m 10s primary swell from a South-southwest direction and 0.9m 10s secondary swell from a East direction (forecast issued at 02:00pm August 11). The wind direction is predicted to be offshore and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (11 Aug)--
Afternoon (11 Aug)3.5ft (1.1m)10s
Evening (11 Aug)3.5ft (1.1m)10s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Thu night. Warm (max 29°C on Tue afternoon, min 22°C on Tue night). Wind will be generally light.

Tue
11
Wednesday
12
Thursday
13
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)
1
0
2
2
2
2
2
2
0
1
2
1
1
1
1
0
0
0
0
0
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)
1.1
S
10
1.1
SSW
10
1.1
SSW
10
1.1
SSW
10
1.1
SSW
10
1.1
SSW
10
1.1
SSW
10
0.9
SSW
10
0.8
S
10
0.8
S
9
0.8
S
10
0.8
S
9
0.9
SSW
9
0.8
S
9
0.9
SSW
9
0.9
SSW
9
0.8
SSW
9
0.8
SSW
9
0.8
SSW
9
0.8
SSW
9
Wave Graph
Metric surfscale
Energy kJ
250
265
265
265
265
270
265
191
120
108
115
110
144
110
144
141
110
110
110
108
Wind (km/h)
10
SSW
10
SSW
10
SW
15
NNW
15
N
10
NNW
10
NNW
10
NW
15
S
10
SSE
5
SSE
5
E
5
NE
5
NE
5
NE
5
SSE
20
SSE
15
SSE
10
SE
5
SE
Wind State
on
on
cross-on
off
off
off
cross-off
cross-off
on
cross-on
glassy
glassy
glassy
cross-off
glassy
cross-on
cross-on
on
cross-on
cross-on
High Tide
5:54PM1.79m
4:53AM1.82m
6:28PM1.85m
5:42AM1.90m
6:59PM1.87m
Low Tide
11:23PM0.92m
11:43AM-0.03m
00:02AM0.79m
12:23PM-0.02m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
thunderstorm
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:55
6:54
6:53
 mm
1
1
2
Temp °C
30
29
27
24
22
22
23
27
28
28
26
26
25
24
24
27
28
28
27
25
Feels °C
32
31
30
24
22
23
24
29
29
30
29
29
28
27
27
30
29
30
30
28
  • 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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