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Surf Forecasts

Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 2 pm Saturday 19 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
17.4° C
 (Which is 1.6°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 7PM is: 0.3m 10s primary swell from a East-southeast direction and 0.4m 6s secondary swell from a South-southwest direction, 0.5m 6s secondary swell from a Southwest direction (forecast issued at 02:00pm April 19). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (19 Apr)--
Afternoon (19 Apr)1ft (0.3m)10s
Evening (19 Apr)1ft (0.3m)9s

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 
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
12 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 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
2
2
3
2
2
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
SSW
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.8
S
0.7
S
0.3
ESE
0.3
ESE
0.3
ESE
0.5
SE
0.5
SE
0.5
SE
0.6
ESE
0.6
ESE
0.7
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.9
ESE
1.3
SSE
2
SSE
2.3
S
2.2
S
1.9
SSE
1.8
SSE
1.6
SSE
1.5
SSE
1.4
SE
1
SSE
1
SSE
0.9
SSE
0.8
SSE
0.8
SSE
0.8
SSE
0.7
SSE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.4
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
Period(s) (?)6101091091010101055999688998888885678888877777777999999999999101010101010
Wave
Graph
(?)Metric surfscale
Energy (?)1919191718171818181835281616161833284949628080787510083300509538427356288257211114967956595138342827272728282828282829181818181818
Wind
(km/h)
10
S
10
S
5
SSW
5
ENE
5
NE
5
NE
5
ENE
5
ESE
10
S
5
SW
0
NNW
5
NNW
5
NNW
5
N
5
NE
5
S
10
SSW
10
S
5
S
0
ENE
5
NE
5
NNE
5
NE
5
SSE
10
SSE
5
SSE
5
ENE
10
ENE
10
ESE
5
NE
5
NNW
5
NNE
5
SSE
5
SW
5
WSW
5
WNW
5
W
5
NNE
5
NNE
0
SSE
10
S
5
SSW
5
ESE
5
NNE
10
N
10
NNW
10
N
15
NNW
5
NW
5
S
5
SSE
20
N
15
N
15
N
10
N
5
NNW
10
S
10
S
5
SSW
5
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononglassglassglassglassglassglassonglassglassglassglassoffcross-
off		glassonononglassglassglasscross-
off		glassononcross-
off		cross-
off		cross-
on		glassoffglassoncross-
on		cross-
on		glassglassglassoffglassononglassglassoffoffoffoffglassglassglassoffoffoffoffglassononglassglass
High Tide
/ height (m)
10:45PM
1.35
8:47AM
1.48
12:40AM
1.35
10:02AM
1.37
2:11AM
1.43
12:28PM
1.34
2:58AM
1.55
2:13PM
1.44
3:33AM
1.66
3:21PM
1.59
4:05AM
1.76
4:16PM
1.75
4:36AM
1.84
5:06PM
1.88
Low Tide
/ height (m)
3:28PM
0.48
3:16AM
1.16
4:37PM
0.57
5:07AM
1.23
6:13PM
0.60
7:45AM
1.15
7:44PM
0.55
8:51AM
0.98
8:49PM
0.48
9:34AM
0.76
9:40PM
0.43
10:12AM
0.53
10:25PM
0.42
10:50AM
0.31
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunrise------5:30-------5:28-------5:26-------5:26-------5:24-------5:24-------5:22-----
Sunset--6:37-------6:38-------6:38-------6:39-------6:40-------6:42-------6:42-------6:43-
clearclearclearclearcloudcloudcloudcloudcloudlight rainpart cloudclearpart cloudclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudcloudcloudcloudlight rainmod rainheavy rainheavy rainpart cloudpart cloudcloudcloudcloudpart cloudpart cloudpart cloudpart cloudcloudclearclearclearclearpart cloudpart cloudpart cloudclearclearclearclearclearclearclearpart cloudcloudcloudpart cloudclearclear
Rain (mm)
---------1----------------181411------------------------------
Temp. °C212019171717181918171716161616192020181616151518191917171819192121202019181817212222201818171619222118141111111618181714
Feels °C (?)21202018181819201818191717161620202019171715151818191718192121232222222120191723232321181715141620201797671314151513
  • 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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