Niyodo Rivermouth Surf Break

Niyodo Rivermouth 48 hour detailed Surf Forecast

Lat Long: 33.54° N 133.69° E

Issued: 2 pm 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
23.7° C

Normal for this time of year

Niyodo Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Niyodo Rivermouth today (17 Jun):

  • Afternoon surf: Afternoon surf (17 Jun, local time) - 7ft (2.1m), 8s period with ESE swell.
  • Evening surf: Evening surf (17 Jun, local time) - 5ft (1.6m), 7s period with E swell.

The current surf forecast for Niyodo Rivermouth at 10PM is: 1.6m 7s primary swell from a East direction and 0.4m 6s secondary swell from a South direction, 0.3m 7s secondary swell from a South-southwest direction (forecast issued at 02:00pm June 17). The wind direction is predicted to be offshore and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (17 Jun)--
Afternoon (17 Jun)7ft (2.1m)8s
Evening (17 Jun)5ft (1.6m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 31mm), heaviest during Fri night. Warm (max 25°C on Thu afternoon, min 21°C on Wed night). Wind will be generally light.

Wed
17
Thursday
18
Friday
19
Sat
20
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
Rating
(10 max)
2
3
2
2
1
2
2
1
0
0
1
1
1
1
1
1
1
0
1
2
1
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.9
ESE
7
2.1
ESE
8
2
ESE
7
1.6
E
7
1.3
ESE
7
1.3
SSW
9
1.4
SSW
8
1.3
SSW
8
1
SSW
8
1.1
SSW
7
0.8
SSW
7
0.9
SSW
7
0.9
SSW
7
1
SSW
7
1.1
SSW
7
1.1
SSW
7
1
SSW
7
1.2
SSW
6
1.4
SSW
7
1.6
SW
7
1.1
SSW
6
1.2
SSW
6
1.4
SW
6
1.5
SSW
6
Wave Graph
Metric surfscale
Energy kJ
390
495
426
269
161
232
244
191
120
125
62
94
82
99
111
108
85
99
170
251
100
96
137
164
Wind (km/h)
5
ESE
0
ENE
5
NNE
5
NNE
5
NNW
5
NNW
0
N
10
SSE
10
S
10
SSW
5
S
5
E
5
ENE
5
NE
5
NE
5
SSE
5
SSE
5
SSE
0
SE
0
N
5
SW
10
SSW
10
S
5
S
Wind State
glassy
glassy
glassy
cross-off
glassy
cross-off
glassy
on
on
on
glassy
glassy
cross-off
cross-off
glassy
glassy
glassy
cross-on
glassy
glassy
glassy
on
on
on
High Tide
8:29PM1.80m
7:23AM1.81m
9:15PM1.74m
8:15AM1.72m
10:00PM1.67m
Low Tide
1:53AM0.95m
2:20PM0.03m
2:43AM0.94m
3:07PM0.19m
3:37AM0.91m
cloud
cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
mod rain
heavy rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:16
7:16
7:16
7:16
 mm
1
9
13
3
Temp °C
23
23
23
22
22
21
21
24
24
25
24
23
22
22
23
24
24
24
24
23
23
23
23
24
Feels °C
26
26
26
24
24
23
23
26
26
28
28
27
25
25
26
27
27
27
29
28
27
27
26
28
Swell 1
Height (m)
Direction
Period (s)
0.4
SSW
7
0.4
SW
7
0.3
SW
7
0.4
S
6
1.3
ESE
7
1.3
SSW
9
1.4
SSW
8
1.3
SSW
8
1
SSW
8
1.1
SSW
7
0.8
SSW
7
0.9
SSW
7
0.9
SSW
7
1
SSW
7
1.1
SSW
7
1.1
SSW
7
1
SSW
7
0.9
SSW
6
1.4
SSW
7
1.4
SSW
7
1.1
SSW
6
0.9
SSW
6
0.9
SSW
6
0.4
SE
10
Energy kJ
20
12
7
12
161
232
244
191
120
125
62
94
82
99
111
108
85
57
170
175
100
66
61
25
Swell 2
Height (m)
Direction
Period (s)
0.1
E
19
0.1
E
19
0.1
E
18
0.3
SSW
7
0.5
S
6
1
E
7
0.9
ESE
6
0.8
ESE
6
0.6
ESE
6
0.5
ESE
6
0.5
E
6
0.4
ESE
6
0.3
ESE
6
0.3
SE
10
0.4
SE
10
0.2
ESE
6
0.3
SE
9
0.3
SE
9
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.1
SE
13
Energy kJ
7
7
6
9
20
86
60
43
25
19
17
10
7
15
26
3
14
14
24
25
25
25
25
7
Swell 3
Height (m)
Direction
Period (s)
0.1
E
18
0.1
E
18
0.1
E
18
0.2
SSW
10
0.4
SSE
6
0.3
SE
10
0.3
SE
10
0.2
E
12
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
ESE
6
0.2
ESE
6
0.3
SE
9
0.2
ESE
6
0.2
E
10
0.1
SE
14
0.1
E
8
0.1
E
8
0.1
E
8
Energy kJ
7
6
6
10
13
15
15
11
15
15
15
15
7
4
14
3
8
7
1
1
1
Wind waves
Height (m)
Direction
Period (s)
1.9
ESE
7
2.1
ESE
8
2
ESE
7
1.6
E
7
1.1
ENE
7
0.4
SW
3
0.7
SW
4
1.2
SSW
6
1.6
SW
7
1.2
SSW
6
1.4
SW
6
1.5
SSW
6
Energy kJ
390
495
426
269
111
2
18
99
251
96
137
164
Nearest Offshore or Glassy
Rating
(10 max)
2
3
2
2
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
2
1
1
1
2
Distance (km)
0
0
0
0
0
0
0
51
51
51
0
0
0
0
0
0
0
51
0
0
0
51
51
51
Best forecast wave conditions in Shikoku
Rating
(10 max)
2
3
2
2
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
3
2
2
1
2
2
2
2
2
1
1
1
1
1
1
1
2
1
2
2
2
2
2
Header Global
Rating
(10 max)
5
8
8
4
4
4
5
5
9
9
9
7
5
5
6
5
6
6
6
5
5
8
7
7
  • 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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