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Surf Forecasts:

Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 2 am Sunday 15 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
16.6° C
 (Which is slightly cooler than normal)

How big are the waves at Niyodo Rivermouth today?

The current surf forecast for Niyodo Rivermouth at 6AM is: 2.2m 13s primary swell from a East direction (forecast issued at 02:00am March 15). An open ocean swell of 0.2m 16s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.

Time (JST) & DateWave HeightWave Period
Morning (15 Mar)6.5ft (2.0m)13s
Afternoon (15 Mar)5.5ft (1.7m)12s
Evening (15 Mar)5ft (1.5m)12s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Sunday
15
Monday
16
Tuesday
17
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
4
4
4
4
3
2
3
3
3
3
3
2
2
1
3
3
3
3
2
2
1
1
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.4
E
2.3
E
2.2
E
2
E
1.9
E
1.7
E
1.6
ESE
1.5
E
1.5
E
1.4
ESE
1.4
E
1.3
E
1.4
E
1.4
E
1.4
E
1.3
E
1.3
E
1.2
E
1.2
E
1.1
E
1.1
E
1.1
E
1
E
0.9
E
Period(s) (?)131313131312121212121212141414131413131313131313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)20121821163412931189827705628650560528456769768725599613507499413407401321256
Wind
(km/h)
10
N
10
N
10
N
5
NNW
5
SSW
10
S
5
SSE
10
NNE
10
N
10
N
10
N
5
N
10
S
10
SSE
5
S
5
NE
10
NNE
5
N
5
NNE
5
NW
10
S
10
SSW
5
SSE
0
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffglassononglassoffoffoffoffoffononglassglassoffoffoffglassononglassglass
High Tide
/ height (m)
4:49AM
1.54
3:36PM
1.51
5:07AM
1.65
4:22PM
1.65
5:28AM
1.74
5:02PM
1.78
Low Tide
/ height (m)
9:43PM
0.50
10:20AM
1.02
10:22PM
0.37
10:47AM
0.87
10:55PM
0.28
11:14AM
0.70
Sunday
15
Monday
16
Tuesday
17
Sunrise---6:16-------6:15-------6:13----
Sunset------6:12-------6:13-------6:13-
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C766101314121087711131312111010101214141313
Feels °C (?)32271010107433810101097771011121212
  • 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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