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Surf Forecasts:

Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 2 pm Saturday 10 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 slightly cooler than normal)

How big are the waves at Niyodo Rivermouth today?

The current surf forecast for Niyodo Rivermouth at 8PM is: 2.1m 7s primary swell from a Southwest direction and 0.1m 10s secondary swell from a East direction (forecast issued at 02:00pm January 10). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (10 Jan)--
Afternoon (10 Jan)5.5ft (1.7m)6s
Evening (10 Jan)7ft (2.1m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
10
Sunday
11
Monday
12
Tuesday
13
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
1
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.4
SSW
1.7
SW
2.3
SW
2.1
SW
1.8
SW
1.8
WSW
1.8
W
0.7
SW
0.6
SW
0.5
SW
0.5
SW
0.1
E
0.1
E
0.3
SW
0.3
SW
0.3
SW
0.3
SW
0.3
SW
0.1
E
0.7
SW
0.9
SW
0.8
SW
0.9
SW
1.2
SW
Period(s) (?)567776667881414775551345566
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10185452382278217200382831294487445318313346120
Wind
(km/h)
10
S
0
SSW
10
W
20
WSW
25
W
25
W
20
WNW
25
NW
25
NW
25
NW
25
NW
20
WNW
10
NNW
10
NNW
10
NNW
10
NW
5
WSW
10
SSW
5
NE
5
N
5
N
10
N
5
N
5
NW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglasscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		crosscross-
on		cross-
off		offoffoffglassglass
High Tide
/ height (m)
11:06PM
1.30
11:12AM
1.52
12:47AM
1.22
11:57AM
1.47
2:56AM
1.26
Low Tide
/ height (m)
5:08PM
0.76
4:41AM
0.87
6:16PM
0.73
5:31AM
1.03
7:35PM
0.68
7:02AM
1.15
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Sunrise-------7:09-------7:09-------7:09
Sunset-5:14-------5:15-------5:15------
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
cloud
clear
Rain (mm)
------------------------
Temp. °C1013131210853543210-2056433358
Feels °C (?)61110741-1-4-3-4-5-5-3-5-7-5121-1-1-125
  • 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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