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Surf Forecasts:

Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 2 am Thursday 12 Mar 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
16.3° C
 (Which is 1.1°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 5AM is: 0.3m 12s primary swell from a East direction (forecast issued at 02:00am March 12). An open ocean swell of 0.3m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Mar)1.5ft (0.4m)14s
Afternoon (12 Mar)2ft (0.6m)6s
Evening (12 Mar)0.5ft (0.1m)11s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thursday
12
Friday
13
Saturday
14
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
2
2
3
3
4
4
3
4
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
ESE
0.2
ESE
0.3
E
0.4
E
0.3
E
0.6
E
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.1
SE
0.5
E
0.4
ENE
0.4
E
0.1
SE
1.3
E
1.5
E
1.6
E
1.8
E
2.1
E
2.3
E
2.3
E
2.3
E
2.3
E
Period(s) (?)10101214136101110101114138118910111212131212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)101024663027454450022423939054575712561624171215961544
Wind
(km/h)
10
NNE
10
N
10
N
5
N
5
S
5
SSW
20
NNW
15
N
15
N
20
N
20
N
20
N
30
N
30
N
25
N
20
N
20
N
15
N
15
N
15
N
0
N
10
S
0
W
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffglassglassglassoffoffoffoffoffoffoffoffoffoffoffoffoffoffglassonglassoff
High Tide
/ height (m)
9:31AM
1.41
4:49AM
1.32
11:53AM
1.31
4:35AM
1.43
2:32PM
1.37
Low Tide
/ height (m)
6:57PM
0.71
8:53AM
1.29
8:47PM
0.63
9:54AM
1.17
Thursday
12
Friday
13
Saturday
14
Sunrise---6:20-------6:18-------6:18----
Sunset------6:08-------6:09-------6:10-
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
Rain (mm)
------------------------
Temp. °C7669121210754471097644481413119
Feels °C (?)322699420-2-212100-2-1-13111097
  • 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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View detailed surf forecast for Niyodo Rivermouth at:
surf-forecast.com

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