Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 pm 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
28.8° 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 (21 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 1.5ft (0.5m), 11s period with E swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 1ft (0.3m), 11s period with ESE swell.
  • Evening surf: Evening surf (21 Jul, local time) - 1ft (0.3m), 11s period with ESE swell.

The current surf forecast for Niyodo Rivermouth at 4AM is: 0.5m 10s primary swell from a East direction and 0.2m 7s secondary swell from a South-southwest direction (forecast issued at 08:00pm July 20). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (21 Jul)1.5ft (0.5m)11s
Afternoon (21 Jul)1ft (0.3m)11s
Evening (21 Jul)1ft (0.3m)11s

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


Short Range Forecast

Mostly dry. Warm (max 30°C on Tue morning, min 26°C on Tue night). Wind will be generally light.

Mon
20
Tuesday
21
Wednesday
22
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
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
E
9
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
11
0.5
E
11
0.5
E
10
0.3
ESE
11
0.3
ESE
11
0.3
ESE
11
0.3
ESE
11
0.3
ESE
10
0.3
E
10
0.4
E
11
0.4
E
10
0.3
E
10
0.3
E
10
0.3
E
10
Wave Graph
Metric surfscale
Energy kJ
59
60
60
42
58
58
55
22
22
22
22
21
22
36
33
18
17
18
Wind (km/h)
5
SSW
0
N
0
NE
5
ENE
5
NE
5
S
10
S
10
SSW
5
SSW
0
NNW
5
NE
5
NE
5
N
5
SW
10
S
10
S
5
SSW
0
N
Wind State
glassy
glassy
glassy
glassy
glassy
glassy
on
on
on
glassy
glassy
glassy
glassy
glassy
on
on
on
glassy
High Tide
10:14PM1.63m
10:51AM1.37m
10:46PM1.56m
12:17PM1.26m
Low Tide
3:50PM0.66m
4:44AM0.67m
4:25PM0.85m
5:45AM0.66m
5:07PM1.03m
clear
clear
clear
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>
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:14
7:13
7:12
 mm
Temp °C
30
28
27
27
27
29
30
30
29
28
27
26
27
30
30
30
29
27
Feels °C
35
34
32
32
32
34
34
34
35
35
33
31
32
36
34
35
35
33
  • 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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