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Surf Forecasts:

Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 am Monday 19 Jan 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
17.2° C
 (Which is slightly cooler than normal)

How big are the waves at Niyodo Rivermouth today?

The current surf forecast for Niyodo Rivermouth at 2PM is: 0.4m 8s primary swell from a Southeast direction and 0.3m 10s secondary swell from a East-southeast direction (forecast issued at 08:00am January 19). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 Jan)1.5ft (0.4m)10s
Afternoon (19 Jan)1.5ft (0.4m)8s
Evening (19 Jan)1.5ft (0.4m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
19
Tuesday
20
Wednesday
21
Thu
22
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
1
0
0
1
0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
ESE
0.4
ESE
0.4
ESE
0.4
SE
0.4
SE
0.4
ESE
0.4
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
Period(s) (?)10101088108888899109101010101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)323132211935232828283138395855585960798082878482
Wind
(km/h)
5
NNE
0
NNW
0
WSW
5
S
5
N
10
NNW
10
NW
15
NNW
20
NNW
20
NNW
20
NNW
25
N
20
N
20
N
15
N
15
N
10
N
10
NNW
5
WSW
20
WNW
15
NW
15
NW
15
NW
15
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offglassglassonglasscross-
off		cross-
off		offoffoffoffoffoffoffoffoffoffoffcrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
7:03AM
1.74
6:03PM
1.79
7:30AM
1.77
6:39PM
1.81
7:57AM
1.78
7:16PM
1.81
Low Tide
/ height (m)
12:30PM
0.90
12:48AM
0.08
1:01PM
0.83
1:20AM
0.10
1:34PM
0.77
1:50AM
0.15
Monday
19
Tuesday
20
Wednesday
21
Thu
22
Sunrise-7:07-------7:07-------7:07------
Sunset---5:22-------5:22-------5:23----
clear
clear
cloud
clear
clear
clear
clear
cloud
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
clear
Rain (mm)
------------------------
Temp. °C11131516141211108797531003795311
Feels °C (?)10131515149863130-1-3-4-5-5-232-1-3-5-5
  • 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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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.

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

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