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Surf Forecasts:

Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 pm 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
17.6° C
 (Which is normal for this time of year)

How big are the waves at Niyodo Rivermouth today?

The current surf forecast for Niyodo Rivermouth at 1AM is: 0.4m 8s primary swell from a Southeast direction and 0.3m 9s secondary swell from a East-southeast direction (forecast issued at 08:00pm January 19). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Jan)1.5ft (0.5m)8s
Afternoon (20 Jan)1.5ft (0.5m)9s
Evening (20 Jan)2ft (0.6m)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
Mon
19
Tuesday
20
Wednesday
21
Thursday
22
6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM
Rating
(10 max)
0
1
0
0
1
0
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SE
0.4
ESE
0.4
SE
0.5
SE
0.5
SE
0.5
SE
0.4
ESE
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
0.7
SE
0.7
SE
0.6
SE
0.6
SE
0.6
SE
0.6
ESE
0.6
ESE
0.6
ESE
Period(s) (?)8108888109910910101010101010101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)19352328282833383958555858778084108104808080686868
Wind
(km/h)
5
NNW
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
10
NW
15
WNW
10
NW
15
NW
20
NW
25
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
off		cross-
off		cross-
off		offcross-
off		offoffoffoffoffoffoffcross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
6:03PM
1.79
7:30AM
1.77
6:39PM
1.81
7:57AM
1.78
7:16PM
1.81
8:24AM
1.78
Low Tide
/ height (m)
12:48AM
0.08
1:01PM
0.83
1:20AM
0.10
1:34PM
0.77
1:50AM
0.15
2:09PM
0.71
Mon
19
Tuesday
20
Wednesday
21
Thursday
22
Sunrise-----7:07-------7:07-------7:07--
Sunset-------5:22-------5:23-------5:24
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C1412111188975210037953110234
Feels °C (?)1410873330-2-5-4-6-5-232-1-2-4-4-5-4-5-4
  • 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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