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Surf Forecasts:

Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 2 pm Monday 12 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
17.3° 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 5PM is: 0.1m 13s primary swell from a East direction and 0.1m 7s secondary swell from a South direction, 0.3m 4s secondary swell from a Southwest direction (forecast issued at 02:00pm January 12). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (12 Jan)--
Afternoon (12 Jan)1ft (0.3m)5s
Evening (12 Jan)2.5ft (0.8m)4s

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
12
Tuesday
13
Wednesday
14
Thursday
15
12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM
Rating
(10 max)
0
0
0
0
0
0
0
1
2
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.1
S
0.3
SW
0.1
E
0.8
WSW
0.8
WSW
0.7
SW
0.8
SW
1.1
SW
1.6
SW
1.4
SW
1.1
SW
1.6
WSW
1.5
WSW
1.2
WSW
0.9
W
0.3
SW
0.3
SW
0.3
SW
0.2
SSW
0.1
E
0.2
E
0.2
ESE
0.2
ESE
0.2
ESE
Period(s) (?)751344466777567466551111101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)133222520388823318911411812613127654449111111
Wind
(km/h)
5
SSW
10
SSW
5
NNE
10
N
5
N
10
N
5
N
5
N
10
WNW
30
WNW
25
W
10
NW
10
NNW
10
NNW
10
NNW
10
NNW
10
WSW
15
NNW
10
NNE
10
N
10
N
5
N
5
NNE
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		offoffoffoffglassglasscross-
off		cross-
off		crosscross-
off		cross-
off		cross-
off		offcross-
off		crosscross-
off		offoffoffoffoffglass
High Tide
/ height (m)
2:56AM
1.26
12:59PM
1.44
4:19AM
1.36
2:10PM
1.45
5:04AM
1.47
Low Tide
/ height (m)
7:35PM
0.68
7:02AM
1.15
8:47PM
0.59
8:54AM
1.18
9:43PM
0.48
Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Sunrise-------7:09-------7:09-------7:09
Sunset-5:15-------5:16-------5:17------
clear
clear
clear
cloud
cloud
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C464334471113975323810744448
Feels °C (?)020-1-101485231-2-3-1452-10005
  • 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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