Niyodo Rivermouth Surf Break

Niyodo Rivermouth 48 hour detailed Surf Forecast

Lat Long: 33.54° N 133.69° E

Issued: 8 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):

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

The current surf forecast for Niyodo Rivermouth at 11PM is: 1.4m 7s primary swell from a East-southeast direction and 0.3m 6s secondary swell from a South direction (forecast issued at 08:00pm June 17). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (17 Jun)--
Afternoon (17 Jun)--
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 50mm), 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
Saturday
20
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
12 PM
3 PM
Rating
(10 max)
2
2
1
2
2
1
0
0
0
1
1
2
2
1
0
1
1
0
1
0
0
0
0
0
Swell
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
1.6
E
7
1.4
ESE
7
1.3
SSW
8
1.3
SSW
8
1.1
S
8
1
SSW
8
0.9
SSW
7
0.8
SSW
7
0.9
SSW
7
1.2
SSW
7
1.5
SSW
8
1.4
SSW
8
1.2
SSW
7
1.1
SSW
7
0.9
SSW
6
0.7
SSW
6
0.9
SSW
6
0.9
SSW
6
0.8
SSW
6
0.4
SE
10
1
SSW
5
1.6
SSW
6
3
SSW
7
Wave Graph
Metric surfscale
Energy kJ
387
269
175
221
223
142
120
94
69
73
135
284
231
147
108
75
37
70
59
44
35
61
178
837
Wind (km/h)
0
ESE
5
NNE
5
NW
5
NNW
5
NNE
5
SSE
5
S
10
S
10
SW
5
S
5
N
5
NNW
5
NNE
5
S
5
S
5
SSW
0
WSW
5
WSW
5
S
10
SSW
10
S
5
S
15
SSW
15
SSW
Wind State
glassy
glassy
cross-off
off
glassy
glassy
on
on
cross-on
glassy
glassy
glassy
glassy
glassy
on
glassy
glassy
cross
glassy
cross-on
on
on
on
on
High Tide
8:29PM1.80m
7:23AM1.81m
9:15PM1.74m
8:15AM1.72m
10:00PM1.67m
9:11AM1.61m
Low Tide
1:53AM0.95m
2:20PM0.03m
2:43AM0.94m
3:07PM0.19m
3:37AM0.91m
cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
light rain
heavy rain
mod rain
light rain
thunderstorm
mod 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
3
13
9
2
12
7
Temp °C
23
23
22
21
21
24
24
25
23
23
22
22
23
24
25
24
24
23
22
23
23
24
24
24
Feels °C
26
26
24
23
23
26
26
27
25
27
25
25
26
27
28
28
28
26
26
27
27
28
27
26
Swell 1
Height (m)
Direction
Period (s)
0.3
SW
7
0.4
S
6
1.4
ESE
7
1.3
SSW
8
1.3
SSW
8
1.1
S
8
1
SSW
8
0.9
SSW
7
0.8
SSW
7
0.9
SSW
7
1.2
SSW
7
1.5
SSW
8
1.4
SSW
8
1.2
SSW
7
1.1
SSW
7
0.9
SSW
6
0.7
SSW
6
0.9
SSW
6
0.9
SSW
6
0.8
SSW
6
0.6
SSW
6
0.6
S
6
0.4
SE
10
0.4
SE
10
Energy kJ
7
12
175
221
223
142
120
94
69
73
135
284
231
147
108
75
37
70
59
44
27
23
24
32
Swell 2
Height (m)
Direction
Period (s)
0.1
E
18
0.3
SSW
7
0.3
S
6
1.2
ESE
6
0.9
E
6
0.7
E
6
0.5
E
6
0.4
ESE
6
0.3
ESE
6
0.3
ESE
6
0.3
ESE
6
0.4
SE
10
0.4
SE
10
0.3
SE
9
0.3
ESE
11
0.4
SE
9
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.1
SE
13
0.1
SE
12
Energy kJ
6
9
6
123
64
36
17
12
7
8
8
25
27
14
24
23
23
24
35
35
35
35
7
6
Swell 3
Height (m)
Direction
Period (s)
0.1
E
18
0.1
E
12
0.4
SW
7
0.1
SE
10
0.2
ESE
12
0.3
SE
10
0.2
E
12
0.2
E
12
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
ESE
6
0.2
ESE
6
0.2
ESE
7
0.3
SE
9
0.1
SE
6
0.1
E
6
0.1
SE
14
0.1
SE
14
0.1
E
8
0.1
E
8
0.1
SE
13
Energy kJ
6
3
11
4
14
15
11
11
15
15
15
8
4
5
14
1
1
7
7
1
1
7
Wind waves
Height (m)
Direction
Period (s)
1.9
ESE
7
1.6
E
7
1.7
ENE
6
0.4
WSW
3
0.4
WSW
3
1
SSW
5
1.6
SSW
6
3
SSW
7
Energy kJ
387
269
226
2
3
61
178
837
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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