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Surf Forecasts:

Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 am Thursday 15 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
16.9° C
 (Which is 1.3°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 12PM is: 0.2m 11s primary swell from a East-southeast direction and 0.1m 10s secondary swell from a Southeast direction (forecast issued at 08:00am January 15). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (15 Jan)0.5ft (0.2m)10s
Afternoon (15 Jan)1ft (0.3m)10s
Evening (15 Jan)4.5ft (1.3m)6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
15
Friday
16
Saturday
17
Sun
18
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
1
1
1
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
ESE
0.2
ESE
0.2
ESE
0.3
ESE
1
SW
1.3
SW
1.3
SW
1.3
SW
1.2
WSW
0.7
SW
0.6
SSW
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.4
ESE
0.4
ESE
0.3
ESE
0.4
ESE
Period(s) (?)101011105666666999991010101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)101012194210112013687332017171617171818181933332033
Wind
(km/h)
5
NNE
5
N
5
SSW
5
SSW
5
NNE
5
NNE
5
NNW
5
NNW
10
N
10
NNW
5
WNW
5
S
5
E
5
NNE
10
NNE
5
N
10
N
5
NNW
5
SSW
5
SE
5
ESE
10
NNE
10
N
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffglasscross-
on		glassoffoffcross-
off		offoffcross-
off		onglasscross-
off		offoffoffglasscross-
on		glassglassoffoffoff
High Tide
/ height (m)
5:04AM
1.47
3:13PM
1.50
5:38AM
1.56
4:04PM
1.57
6:07AM
1.63
4:47PM
1.65
Low Tide
/ height (m)
10:06AM
1.15
10:28PM
0.37
10:51AM
1.09
11:07PM
0.26
11:27AM
1.03
11:43PM
0.17
Thursday
15
Friday
16
Saturday
17
Sun
18
Sunrise-7:09-------7:09-------7:09------
Sunset---5:19-------5:20-------5:21----
clear
part cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C5812131111111191216171311101091215151310109
Feels °C (?)149109889610131411888610121311765
  • 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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