Niyodo Rivermouth Surf Break

Niyodo Rivermouth 48 hour detailed Surf Forecast

Lat Long: 33.54° N 133.69° E

Issued: 8 pm 19 Jun 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
23.8° 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 (20 Jun):

  • Morning surf: Morning surf (20 Jun, local time) - 1.5ft (0.4m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (20 Jun, local time) - 4ft (1.2m), 6s period with SSW swell.
  • Evening surf: Evening surf (20 Jun, local time) - 7ft (2.1m), 7s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 12AM is: 0.8m 6s primary swell from a South-southwest direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 08:00pm June 19). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (20 Jun)1.5ft (0.4m)10s
Afternoon (20 Jun)4ft (1.2m)6s
Evening (20 Jun)7ft (2.1m)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 23mm), heaviest during Sat afternoon. Warm (max 29°C on Sun morning, min 20°C on Sun night). Wind will be generally light.

Fri
19
Saturday
20
Sunday
21
Monday
22
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)
1
1
1
1
1
1
0
0
0
0
0
1
3
1
0
0
1
2
1
1
1
1
1
1
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)
0.8
SSW
6
0.9
SSW
6
0.8
SSW
6
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.8
SSW
6
1.2
SSW
6
1.8
SSW
6
2.1
SSW
7
2.1
SSW
7
1.9
SSW
7
2
SSW
8
1.7
SSW
8
1.6
SSW
7
1.6
SSW
7
1.5
SSW
7
1.4
SW
7
1
SSW
7
0.9
SSW
7
0.8
SSW
6
0.5
SE
10
0.6
SE
10
0.5
SE
10
Wave Graph
Metric surfscale
Energy kJ
48
63
42
35
35
35
37
90
262
396
452
387
452
302
272
243
192
183
83
62
47
46
61
48
Wind (km/h)
5
WSW
0
NE
0
SE
0
SSW
5
ENE
5
ESE
10
SE
15
S
15
S
10
SSW
10
SSW
5
WSW
5
WNW
10
WSW
15
WSW
15
W
15
W
15
N
10
N
10
N
5
N
5
W
5
SSW
5
S
Wind State
glassy
glassy
glassy
glassy
glassy
glassy
cross-on
on
on
on
cross-on
cross
glassy
cross-on
cross-on
cross
cross
off
off
off
off
glassy
glassy
glassy
High Tide
10:00PM1.67m
9:11AM1.61m
10:44PM1.61m
10:16AM1.48m
11:28PM1.57m
11:35AM1.37m
Low Tide
3:07PM0.19m
3:37AM0.91m
3:55PM0.38m
4:38AM0.87m
4:44PM0.58m
5:45AM0.81m
cloud
light rain
light rain
light rain
light rain
cloud
cloud
thunderstorm
mod rain
light rain
thunderstorm
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
<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
7:17
7:17
 mm
1
3
3
1
2
7
2
2
2
Temp °C
24
23
23
23
23
24
24
24
24
24
24
24
24
26
29
29
27
22
21
20
21
24
25
26
Feels °C
29
28
28
28
27
28
27
26
27
27
27
28
29
29
29
29
28
23
21
20
21
25
26
27
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
6
0.7
SSW
6
0.8
SSW
6
0.6
SSW
6
0.5
SSW
6
0.6
SSW
6
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
1.8
SSW
8
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
1.2
SSW
7
1
SSW
7
0.9
SSW
7
0.8
SSW
6
0.7
SSW
6
0.6
SSW
6
0.5
SE
10
Energy kJ
48
35
42
28
18
24
34
34
24
24
33
33
353
30
30
21
21
116
83
62
47
40
26
48
Swell 2
Height (m)
Direction
Period (s)
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
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.4
SE
9
0.1
E
18
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.5
SE
9
0.5
SE
10
0.6
SE
10
0.2
SSE
11
Energy kJ
33
34
35
35
35
35
7
6
6
6
6
31
6
20
19
19
28
29
29
43
46
61
13
Swell 3
Height (m)
Direction
Period (s)
0.1
S
8
0.1
SE
14
0.1
SE
14
0.1
E
8
0.1
E
8
0.1
E
8
0.1
SE
12
0.1
E
9
0.1
E
18
0.1
E
18
0.1
E
18
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.1
SE
16
0.1
S
13
0.1
SE
16
0.1
E
16
Energy kJ
1
7
7
1
1
1
6
2
6
6
6
19
19
19
10
3
10
5
Wind waves
Height (m)
Direction
Period (s)
0.9
SSW
6
0.8
SSW
6
1.2
SSW
6
1.8
SSW
6
2.1
SSW
7
2.1
SSW
7
1.9
SSW
7
2
SSW
8
1.7
SSW
8
1.6
SSW
7
1.6
SSW
7
1.5
SSW
7
1.4
SW
7
0.3
NW
3
0.3
NW
3
0.2
NNW
2
0.6
SSW
6
Energy kJ
63
37
90
262
396
452
387
452
302
272
243
192
183
1
1
1
25
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
3
3
2
2
2
2
2
1
1
1
1
1
1
Distance (km)
0
0
0
0
0
0
432
283
432
51
82
51
0
51
51
51
51
0
0
0
0
0
0
0
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
1
1
1
1
1
2
2
3
3
2
2
2
2
2
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
3
3
2
2
2
2
2
1
1
1
1
1
1
Header Global
Rating
(10 max)
6
4
4
4
4
4
5
5
5
5
5
5
8
9
9
9
8
7
7
7
7
6
6
5
  • 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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