Niyodo Rivermouth surfForecast / Shikoku / Japan

information circle48hr Weather and Surf, issued 2 pm 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
27.4° C
(Which is 1.3°C warmer than normal for this time of year)


How big are the waves at Niyodo Rivermouth today?

The current surf forecast for Niyodo Rivermouth at 5PM is: 0.5m 11s primary swell from a Southeast direction and 0.4m 9s secondary swell from a East-southeast direction, 0.5m 4s secondary swell from a Southeast direction (forecast issued at 02:00pm July 09). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Jul)--
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
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
ESE
0.5
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
1.2
ESE
1.2
ESE
Period(s) (?)1211111111111166667777777777788888888888999998888888101010101010101010101010111010
Wave
Graph
(?)Metric surfscale
Energy (?)12499104116129138148128164161190205201228226232208218193211344303352393474502522474450380323284261314308253202183149121123113125166168197181163190238281268252241309345340387338340
Wind
(km/h)
15
SSE
10
SSE
5
SSE
5
NE
5
NNE
5
NNE
5
NNE
0
S
10
SSE
15
SE
10
ESE
5
NE
5
NNE
5
NNE
5
NW
5
W
5
SW
10
SSE
5
ESE
5
NE
5
NNE
5
N
5
NNE
5
S
10
SSE
15
SE
10
SE
5
NE
5
N
5
NNW
5
NNE
5
S
10
S
10
SSW
5
SSW
0
NNE
5
NNE
5
NNE
5
N
5
S
10
SSE
10
SE
10
E
5
N
5
N
5
N
5
N
5
W
10
S
10
S
5
S
5
N
5
N
5
NNE
5
N
5
SSE
10
S
10
SSE
5
SE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononglassglassglasscross-
off
offglassoncross-
on
cross-
on
cross-
off
offcross-
off
glassglassglasscross-
on
cross-
on
cross-
off
glassglassglassglasscross-
on
cross-
on
cross-
on
glassglassoffglassglassononcross-
on
glassglassglassglassoncross-
on
cross-
on
crossoffglassoffoffglassononglassglassoffoffoffglassononcross-
on
cross
High Tide
/ height (m)
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)
11:28PM
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
3:28PM
0.44
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Sunrise------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-------7:15-
thunderstorm thunderstorm thunderstorm clearclearclearclearclearpart cloudthunderstorm thunderstorm thunderstorm part cloudpart cloudcloudpart cloudpart cloudthunderstorm thunderstorm rain showersrain showerspart cloudpart cloudpart cloudthunderstorm thunderstorm thunderstorm thunderstorm part cloudclearclearclearclearpart cloudpart cloudclearclearclearclearclearpart cloudthunderstorm mod rainlight rainclearclearclearclearclearclearclearclearclearclearclearclearclearclearrain showersrain showers
Rain (mm)
121------121-----1212---1221-------------281--------------13
Temp. °C292928262525242830302827252525262828282625252528292928262525252829292827262525282928242424232327292928262525252829302927
Feels °C (?)323333312929273232323131292829303232333029292932323232312929293332333233312929323231272828252530313232302828283132333330
  • 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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