Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 am Wednesday 09 Jul 2025 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
27.0° C
(Which is slightly warmer than usual)


How big are the waves at Niyodo Rivermouth today?

The current surf forecast for Niyodo Rivermouth at 3PM is: 0.5m 11s primary swell from a Southeast direction and 0.3m 9s secondary swell from a East direction, 0.5m 4s secondary swell from a Southeast direction (forecast issued at 08:00am July 09). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Jul)2ft (0.6m)12s
Afternoon (09 Jul)1.5ft (0.5m)11s
Evening (09 Jul)1.5ft (0.5m)11s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
ESE
0.6
ESE
0.6
ESE
0.5
SE
0.5
SE
0.5
SE
0.6
ESE
0.6
ESE
0.6
ESE
0.9
ESE
1.1
ESE
1.4
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.4
ESE
1.5
ESE
1.4
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.6
ESE
1.7
ESE
1.7
ESE
1.7
ESE
1.9
ESE
1.9
ESE
1.9
ESE
1.7
ESE
1.6
ESE
1.5
ESE
1.4
ESE
1.3
ESE
1.2
ESE
1.3
ESE
1.3
ESE
1.2
ESE
1.1
SE
1
ESE
1
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.9
ESE
0.7
ESE
0.9
ESE
0.8
ESE
0.8
ESE
0.9
ESE
0.9
ESE
1
ESE
1
ESE
1
ESE
1
ESE
1.1
ESE
1.1
ESE
1.1
ESE
1.1
ESE
Period(s) (?)1212121111111111116666777777777778888888888899999888888810101010101010101010101011
Wave
Graph
(?)Metric surfscale
Energy (?)12213912499104116129138148128164161190205201228226232208218193211344303352393474502522474450380323284261314308253202183149121123113125166168197181163190238281268252241309345340387
Wind
(km/h)
5
NNE
5
SE
10
SSE
10
SSE
5
SSE
5
NE
5
NNE
5
NNE
5
NNE
5
S
15
SSE
15
SE
10
SSE
5
ENE
5
NNE
5
NNE
5
ESE
0
SW
5
S
5
SSE
5
ESE
5
ENE
5
NNE
5
NNE
5
NNE
5
SSE
15
SSE
20
SE
10
SE
5
E
5
NNE
5
NNW
5
NNE
5
SSW
10
S
10
S
5
S
5
ENE
5
NNE
10
NNE
5
NNE
5
ESE
15
ESE
10
N
10
NNE
10
N
10
N
10
NNW
10
NNW
0
SW
10
S
10
S
5
ESE
5
ENE
10
NE
5
NE
5
NE
10
SE
15
SSE
15
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassoncross-
on
cross-
on
glasscross-
off
offoffglassoncross-
on
cross-
on
glassoffcross-
off
glassglassoncross-
on
cross-
on
cross-
off
cross-
off
cross-
off
offglasscross-
on
cross-
on
cross-
on
glassglassglassglassglassononglassglasscross-
off
offoffglasscross-
on
offoffoffoffoffoffglassononcrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
on
High Tide
/ height (m)
4:06AM
1.60
6:10PM
1.64
4:49AM
1.66
6:43PM
1.69
5:30AM
1.72
7:16PM
1.73
6:10AM
1.76
7:48PM
1.75
6:50AM
1.78
8:20PM
1.76
7:32AM
1.76
8:52PM
1.75
8:17AM
1.71
9:25PM
1.74
9:07AM
1.62
Low Tide
/ height (m)
11:09AM
0.24
11:28PM
1.03
11:47AM
0.16
12:05AM
0.99
12:24PM
0.10
12:40AM
0.94
1:00PM
0.08
1:17AM
0.89
1:36PM
0.10
1:55AM
0.84
2:12PM
0.17
2:35AM
0.78
2:49PM
0.28
3:21AM
0.73
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Sunrise5:01-------5:01-------5:03-------5:03-------5:03-------5:05-------5:05-------5:05---
Sunset----7:17-------7:17-------7:16-------7:16-------7:16-------7:15-------7:15-------
clearclearclearthunderstorm thunderstorm thunderstorm clearclearpart cloudclearclearthunderstorm thunderstorm thunderstorm clearpart cloudlight rainpart cloudthunderstorm thunderstorm thunderstorm rain showersrain showersrain showerspart cloudclearpart cloudthunderstorm rain showersclearclearclearclearclearpart cloudclearpart cloudpart cloudpart cloudcloudcloudcloudlight rainlight rainlight raincloudclearclearclearclearclearclearclearclearclearpart cloudclearclearclearclear
Rain (mm)
---111-----111--1-242221---11-------------321---------------
Temp. °C252829292826252525283030292726252627272827262525252829292826252524272929282625252527252423232322222728292826252526293030
Feels °C (?)293232333330292928313232333230283031323231302929293231313230302928313232333129292931282724252523233030313129272830323233
  • 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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