Niyodo Rivermouth Surf Break

Niyodo Rivermouth 48 hour detailed Surf Forecast

Lat Long: 33.54° N 133.69° E

Issued: 2 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 (18 Jun):

  • Afternoon surf: Afternoon surf (18 Jun, local time) - 3ft (0.9m), 7s period with SSW swell.
  • Evening surf: Evening surf (18 Jun, local time) - 2.5ft (0.7m), 7s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 7PM is: 0.8m 7s primary swell from a South-southwest direction and 0.4m 6s secondary swell from a East-southeast direction (forecast issued at 02:00pm June 18). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (18 Jun)--
Afternoon (18 Jun)3ft (0.9m)7s
Evening (18 Jun)2.5ft (0.7m)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 44mm), heaviest during Fri night. Warm (max 27°C on Sun morning, min 22°C on Thu night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sun
21
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)
1
0
1
1
1
1
1
1
0
1
1
1
0
1
0
0
0
0
0
0
1
3
4
1
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
SSW
8
0.9
SSW
7
0.8
SSW
7
0.7
SSW
7
0.8
SSW
7
0.9
SSW
7
1.1
SSW
7
0.9
SSW
7
0.8
SSW
7
0.7
SSW
6
1.2
SSW
7
0.9
SSW
6
0.7
SSW
6
0.4
SE
10
0.4
SE
10
0.4
SE
10
1.5
SSW
6
1.9
SSW
6
2.5
SSW
7
2.5
SW
8
2.4
SSW
8
2.1
SSW
8
2.2
SW
8
1.7
SSW
8
Wave Graph
Metric surfscale
Energy kJ
120
97
71
52
63
82
115
82
56
34
120
57
36
35
35
35
143
297
711
846
750
532
587
319
Wind (km/h)
5
S
10
S
5
S
0
N
5
N
5
N
5
NE
5
SSW
5
SSE
5
SSW
5
WSW
0
SSW
5
SW
0
S
5
E
10
SE
10
SSE
15
SSW
20
S
15
SSW
15
SSW
5
NW
5
W
5
SW
Wind State
glassy
on
glassy
glassy
off
glassy
glassy
glassy
on
glassy
cross-on
glassy
cross-on
glassy
cross
cross-on
cross-on
on
on
cross-on
cross-on
glassy
glassy
cross-on
High Tide
9:15PM1.74m
8:15AM1.72m
10:00PM1.67m
9:11AM1.61m
10:44PM1.61m
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
part cloud
clear
part cloud
cloud
light rain
light rain
light rain
heavy rain
mod rain
light rain
cloud
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
rain showers
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
1
1
11
6
5
2
4
6
4
2
1
Temp °C
25
25
24
23
22
22
23
25
25
24
23
22
23
23
23
24
24
24
24
24
24
24
23
25
Feels °C
28
28
28
27
25
25
26
28
27
28
27
26
27
28
27
28
28
26
26
26
27
29
27
28
Swell 1
Height (m)
Direction
Period (s)
1
SSW
8
0.9
SSW
7
0.8
SSW
7
0.7
SSW
7
0.8
SSW
7
0.9
SSW
7
1.1
SSW
7
0.9
SSW
7
0.8
SSW
7
0.7
SSW
6
0.9
SSW
6
0.9
SSW
6
0.7
SSW
6
0.5
SSW
5
0.4
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
0.4
SE
10
1.8
SSW
8
0.4
SE
9
Energy kJ
120
97
71
52
63
82
115
82
56
34
60
57
36
17
11
35
24
34
24
23
23
32
402
30
Swell 2
Height (m)
Direction
Period (s)
0.6
E
6
0.5
E
6
0.4
ESE
6
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
ESE
7
0.3
SE
9
0.4
SE
5
0.4
SE
9
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.1
E
8
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
Energy kJ
24
18
12
15
15
15
9
14
9
23
23
24
35
35
35
1
7
6
6
6
6
31
6
Swell 3
Height (m)
Direction
Period (s)
0.2
E
12
0.2
E
12
0.3
SE
10
0.2
E
6
0.3
ESE
7
0.3
ESE
6
0.3
SE
9
0.3
ESE
6
0.3
SE
9
0.4
SE
5
0.1
SE
14
0.1
E
8
0.1
E
8
0.2
SSE
5
0.1
SE
13
0.1
SE
12
0.1
E
10
Energy kJ
11
11
15
3
9
8
13
7
14
7
7
1
1
2
7
6
2
Wind waves
Height (m)
Direction
Period (s)
1.2
SSW
7
0.7
SSW
5
1.5
SSW
6
1.9
SSW
6
2.5
SSW
7
2.5
SW
8
2.4
SSW
8
2.1
SSW
8
2.2
SW
8
1.7
SSW
8
Energy kJ
120
20
143
297
711
846
750
532
587
319
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
4
3
Distance (km)
0
51
0
0
0
0
0
0
29
0
51
0
51
0
29
82
55
432
432
642
82
0
0
51
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
3
Best forecast wave conditions in Japan
Rating
(10 max)
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
3
Header Global
Rating
(10 max)
5
9
9
9
5
5
5
5
6
6
6
6
7
4
4
4
4
4
5
5
9
9
4
9
  • 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
How to use the Wavefinder

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Niyodo Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


Nearest locationNearest