Niyodo Rivermouth Surf Break

Niyodo Rivermouth 48 hour detailed Surf Forecast

Lat Long: 33.54° N 133.69° E

Issued: 8 pm 18 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 (19 Jun):

  • Morning surf: Morning surf (19 Jun, local time) - 3ft (0.9m), 7s period with SSW swell.
  • Afternoon surf: Afternoon surf (19 Jun, local time) - 2ft (0.6m), 6s period with SSW swell.
  • Evening surf: Evening surf (19 Jun, local time) - 2.5ft (0.7m), 6s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 2AM is: 0.8m 7s primary swell from a South-southwest direction and 0.3m 10s secondary swell from a Southeast direction (forecast issued at 08:00pm June 18). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (19 Jun)3ft (0.9m)7s
Afternoon (19 Jun)2ft (0.6m)6s
Evening (19 Jun)2.5ft (0.7m)6s

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 63mm), heaviest during Sat afternoon. Warm (max 29°C on Sun afternoon, min 22°C on Fri night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
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
1
1
1
1
1
0
0
0
0
1
2
4
3
2
0
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
7
0.7
SSW
7
0.8
SSW
7
0.9
SSW
7
0.9
SSW
7
0.9
SSW
7
0.8
SSW
7
0.4
SE
9
0.7
SSW
6
0.7
SSW
6
0.8
SSW
6
0.9
SW
6
0.4
SE
10
0.4
SE
10
1.3
SSW
6
1.8
SSW
6
2.4
SSW
7
2.2
SSW
7
2.1
SSW
8
2.3
SW
8
2
SW
7
1.4
SSW
7
1.3
SSW
7
1.4
SSW
6
Wave Graph
Metric surfscale
Energy kJ
71
52
63
66
64
64
50
26
35
35
42
46
35
35
107
254
531
542
536
605
429
214
153
160
Wind (km/h)
5
S
5
NNE
5
N
5
N
5
NE
0
E
5
S
5
SSW
5
WNW
5
WNW
0
NE
0
SE
5
ESE
10
ESE
10
S
20
SSW
20
SSW
15
SW
10
SW
5
WSW
5
NNW
5
SW
10
SSW
10
WSW
Wind State
glassy
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
glassy
glassy
glassy
cross-on
on
on
on
cross-on
cross-on
glassy
glassy
glassy
on
cross
High Tide
9:15PM1.74m
8:15AM1.72m
10:00PM1.67m
9:11AM1.61m
10:44PM1.61m
10:16AM1.48m
Low Tide
2:43AM0.94m
3:07PM0.19m
3:37AM0.91m
3:55PM0.38m
4:38AM0.87m
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
thunderstorm
mod rain
heavy rain
thunderstorm
thunderstorm
rain showers
clear
clear
clear
clear
<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
7:17
 mm
1
2
1
1
9
23
23
2
1
Temp °C
24
23
23
23
23
25
26
25
24
23
23
22
22
23
25
24
24
24
24
24
24
26
28
29
Feels °C
28
27
26
26
26
28
29
29
28
27
28
26
25
26
29
26
26
27
28
29
28
30
30
31
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
7
0.7
SSW
7
0.8
SSW
7
0.9
SSW
7
0.9
SSW
7
0.9
SSW
7
0.8
SSW
7
0.6
SSW
6
0.7
SSW
6
0.7
SSW
6
0.8
SSW
6
0.6
SSW
6
0.5
SSW
5
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
1.9
SSW
8
1.7
SSW
8
1.4
SSW
7
0.4
SE
9
0.4
SE
9
Energy kJ
71
52
63
66
64
64
50
26
35
35
42
25
15
35
24
34
24
33
23
441
302
214
30
21
Swell 2
Height (m)
Direction
Period (s)
0.4
ESE
6
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
ESE
6
0.2
ESE
11
0.4
SE
5
0.4
SSE
5
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.1
E
8
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.4
SE
10
0.4
SE
9
0.4
SE
9
0.3
SE
11
0.3
SE
11
Energy kJ
12
15
15
15
8
12
7
10
33
34
35
35
35
1
7
6
6
6
32
31
30
20
19
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
10
0.2
E
6
0.3
ESE
7
0.3
ESE
6
0.2
SSE
9
0.3
SE
9
0.3
ESE
11
0.4
SE
9
0.4
SE
5
0.3
SSE
5
0.1
SE
14
0.1
E
8
0.1
E
8
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.1
E
18
0.1
E
18
0.1
E
18
Energy kJ
15
3
9
8
8
14
24
23
6
5
7
1
1
7
6
6
6
6
6
Wind waves
Height (m)
Direction
Period (s)
0.9
SW
6
0.7
SW
5
0.7
SSW
5
1.3
SSW
6
1.8
SSW
6
2.4
SSW
7
2.2
SSW
7
2.1
SSW
8
2.3
SW
8
2
SW
7
1.3
SSW
7
1.4
SSW
6
Energy kJ
46
24
28
107
254
531
542
536
605
429
153
160
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
3
2
2
2
Distance (km)
0
0
0
0
0
0
29
51
0
0
0
0
0
55
432
432
432
82
51
0
0
0
51
51
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
3
3
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3
3
4
3
3
2
3
Header Global
Rating
(10 max)
9
9
5
5
5
5
5
6
6
7
5
4
7
6
5
5
4
5
5
5
5
9
9
9
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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