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Surf Forecasts:

Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 10 Mar 2026 JST
Forecast update in hr  min  s Forecast update imminent
Niyodo Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Niyodo Rivermouth sea temperature is
16.4° C
 (Which is 1.0°C colder than average for this time of year)

How big are the waves at Niyodo Rivermouth today?

The current surf forecast for Niyodo Rivermouth at 11AM is: 0.1m 11s primary swell from a East direction and 0.1m 8s secondary swell from a Southeast direction, 0.1m 10s secondary swell from a East direction (forecast issued at 08:00am March 10). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (10 Mar)0.5ft (0.1m)11s
Afternoon (10 Mar)0.5ft (0.1m)8s
Evening (10 Mar)0.5ft (0.1m)10s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Tuesday
10
Wednesday
11
Thursday
12
Fri
13
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.1
E
0.1
E
0.2
E
0.1
E
0.1
E
0.1
E
0.2
ESE
0.2
ESE
0.2
E
0.3
E
0.1
SE
0.2
ESE
0.2
ESE
0.2
ESE
0.3
E
0.3
E
0.4
E
0.5
E
0.2
ESE
0.6
E
0.3
E
0.1
SE
Period(s) (?)1111111051010101010121210101010121115610569
Wave
Graph
(?)Metric surfscale
Energy kJ (?)3333333310101223410101024237416102073
Wind
(km/h)
15
NNW
20
NNW
20
NNW
20
NNW
15
NNW
15
N
10
N
10
N
10
N
5
NNW
10
S
10
SSE
5
SE
5
NE
10
NNE
10
N
10
NNE
5
N
10
S
10
S
0
SW
10
N
10
N
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffoffoffglassononglasscross-
off		offoffoffglassononglassoffoffoff
High Tide
/ height (m)
8:46AM
1.59
10:37PM
1.26
9:06AM
1.50
9:31AM
1.41
Low Tide
/ height (m)
3:52PM
0.57
3:00AM
1.08
4:55PM
0.67
6:57PM
0.71
Tuesday
10
Wednesday
11
Thursday
12
Fri
13
Sunrise-6:22-------6:22-------6:20------
Sunset----6:07-------6:08-------6:08---
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
clear
clear
clear
clear
rain showers
part cloud
cloud
cloud
Rain (mm)
--------------------1---
Temp. °C6791085433710111076659111210765
Feels °C (?)102320-1-2-1467742216788320
  • 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

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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.

View detailed surf forecast for Niyodo Rivermouth at:
surf-forecast.com

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