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Surf Forecasts

Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 8 pm Wednesday 30 Apr 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
18.6° C
 (Which is 1.2°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 12AM is: 0.4m 7s primary swell from a Southeast direction and 0.2m 5s secondary swell from a South direction (forecast issued at 08:00pm April 30). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (01 May)--
Afternoon (01 May)--
Evening (01 May)1.5ft (0.4m)7s

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

Hourly12 Days
Shikoku Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Wed
30
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thu
08
6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 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
0
0
0
0
0
0
0
0
0
3
1
0
1
1
1
1
1
1
1
0
2
2
2
2
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
1
1
1
0
1
1
1
1
1
1
0
0
0
0
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.3
SE
0.4
SE
0.4
SE
0.4
SE
0.4
SE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.9
SSE
1.2
S
2.1
S
3
SSW
2.4
SSW
1.5
SSW
1.1
SSW
0.9
ESE
1
ESE
1
ESE
1.1
ESE
1.1
ESE
1.2
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.3
ESE
1.1
ESE
1
E
1
E
0.9
ESE
0.8
ESE
0.8
E
0.7
E
0.7
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
ESE
0.6
ESE
0.6
ESE
0.6
ESE
0.6
E
0.6
E
0.6
E
1.2
S
1.3
S
1.2
S
1.1
S
1
S
0.6
S
0.7
S
0.7
S
0.7
S
0.7
S
0.5
S
0.6
S
Period(s) (?)87777888845678777777888889999999999999999101010101010107777712111111111210
Wave
Graph
(?)Metric surfscale
Energy (?)101414141422232324327734483561122511883102105131142188234234239268274220173173141115113858360606060606074757575686867150181146113911031271191161126870
Wind
(km/h)
0
SE
5
N
5
N
5
N
5
NNE
5
SE
20
SE
20
SE
15
SSE
15
SE
20
SSE
20
SSE
25
SE
5
NNW
5
SW
5
SW
20
N
15
N
10
N
10
N
10
N
5
SSW
10
SSW
10
SSW
5
S
5
NE
5
NNE
5
NNW
5
NW
10
WNW
15
NNW
20
N
15
N
15
N
10
N
10
N
5
N
0
S
5
SSW
5
SW
5
SW
5
NNW
0
E
5
NE
5
ENE
0
ENE
10
ESE
0
S
5
NNW
5
N
5
N
5
N
5
NNE
5
SW
10
S
10
SSE
5
SE
10
NNE
10
N
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassoffoffoffcross-
off		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		ononcross-
on		offcross-
on		cross-
on		offoffoffoffoffglasscross-
on		onglassglasscross-
off		offcross-
off		cross-
off		cross-
off		offoffoffoffoffoffglassoncross-
on		glassglassglasscross-
off		cross-
off		glasscross-
on		glassglassglassglassglassglasscross-
on		ononcross-
on		cross-
off		offoff
High Tide
/ height (m)
8:21PM
1.79
7:18AM
1.81
9:17PM
1.65
7:55AM
1.71
10:23PM
1.52
8:39AM
1.58
11:49PM
1.44
9:40AM
1.43
1:21AM
1.43
11:34AM
1.32
2:23AM
1.47
1:36PM
1.33
3:02AM
1.52
2:55PM
1.41
Low Tide
/ height (m)
1:46AM
0.93
2:17PM
0.06
2:28AM
1.05
3:08PM
0.22
3:18AM
1.15
4:10PM
0.39
4:40AM
1.21
5:29PM
0.54
6:54AM
1.16
6:59PM
0.63
8:24AM
1.02
8:13PM
0.66
9:12AM
0.86
9:07PM
0.67
Wed
30
Thursday
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Thu
08
Sunrise----5:16-------5:16-------5:15-------5:13-------5:13-------5:13-------5:11-------
Sunset6:45-------6:46-------6:47-------6:49-------6:49-------6:50-------6:51-------6:52---
cloudclearclearpart cloudpart cloudpart cloudclearclearcloudlight rainlight rainlight rainheavy rainrain showersclearclearclearclearclearclearclearclearclearclearclearpart cloudclearpart cloudclearclearclearclearclearclearclearclearclearclearpart cloudcloudcloudcloudcloudcloudcloudcloudcloudcloudcloudcloudcloudcloudpart cloudclearclearpart cloudrain showersclearclearclear
Rain (mm)
---------135214------------------------------------------1---
Temp. °C171515151518202018171816171721231914121212171819181616151620222119141211121718171716151514151616151616161619202019161414
Feels °C (?)171414141417171716151613141720221511999151618181616151618181515109891616161615151413151516151616171719202020151312
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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View detailed surf forecast for Niyodo Rivermouth at:
surf-forecast.com

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