Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 pm Thursday 29 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
16.2° C
(Which is 1.4°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 4AM is: 0.1m 9s primary swell from a East direction and 0.1m 10s secondary swell from a East direction (forecast issued at 08:00pm January 29). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (30 Jan)0.5ft (0.2m)5s
Afternoon (30 Jan)0.5ft (0.1m)9s
Evening (30 Jan)1.5ft (0.5m)4s

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

Updates in  hr  min  s Forecast update imminent
Thu
29
Friday
30
Saturday
31
Sunday
01
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
E
0.1
E
0.1
E
0.1
E
0.2
WSW
0.2
WSW
0.1
E
0.1
E
0.6
W
0.5
W
0.1
E
0.2
W
0.1
SW
0.4
NW
0.1
S
0.3
WNW
0.1
S
0.6
W
0.6
W
0.5
W
0.7
W
Period(s) (?)1010101055109349343---103103334
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2222332209211000020200512
Wind
(km/h)
15
NW
10
NW
10
NW
10
NW
10
NNW
10
NW
10
W
5
NW
15
N
15
N
15
NNW
15
NNW
15
NNW
10
NNW
10
WNW
5
WSW
5
NW
10
N
5
NNW
5
NW
10
NNW
10
NW
5
W
15
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
offoffcross-
off
offoffcross-
off
cross-
off
glasscross-
off
offoffcross-
off
cross-
off
cross-
off
crossoff
High Tide
/ height (m)
5:02AM
1.62
3:26PM
1.63
5:44AM
1.73
4:27PM
1.74
6:21AM
1.81
Low Tide
/ height (m)
9:40PM
0.26
10:15AM
1.13
10:37PM
0.11
11:07AM
1.03
11:25PM
0.00
11:48AM
0.92
Thu
29
Friday
30
Saturday
31
Sunday
01
Sunrise-----7:03-------7:01-------7:01--
Sunset-------5:32-------5:34-------5:35
clear
part cloud
part cloud
clear
clear
clear
clear
clear
cloud
clear
clear
cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C5333236853222489866556910
Feels °C (?)-1-2-1-1-3-214-1-2-3-3-3-14542221254
  • 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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