Niyodo Rivermouth Surf Break

Niyodo Rivermouth 48 hour detailed Surf Forecast

Lat Long: 33.54° N 133.69° E

Issued: 2 am 16 Jun 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
23.6° 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 (16 Jun):

  • Morning surf: Morning surf (16 Jun, local time) - 4ft (1.2m), 9s period with E swell.
  • Afternoon surf: Afternoon surf (16 Jun, local time) - 3.5ft (1.1m), 9s period with ESE swell.
  • Evening surf: Evening surf (16 Jun, local time) - 4.5ft (1.3m), 9s period with ESE swell.

The current surf forecast for Niyodo Rivermouth at 5AM is: 1.4m 9s primary swell from a East-southeast direction and 0.6m 7s secondary swell from a South direction (forecast issued at 02:00am June 16). The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (16 Jun)4ft (1.2m)9s
Afternoon (16 Jun)3.5ft (1.1m)9s
Evening (16 Jun)4.5ft (1.3m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Tue afternoon. Warm (max 25°C on Thu afternoon, min 21°C on Tue night). Wind will be generally light.

Tuesday
16
Wednesday
17
Thursday
18
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
6 PM
9 PM
Rating
(10 max)
2
2
2
2
1
1
0
1
1
2
2
2
3
3
3
2
2
2
2
2
0
0
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)
1.6
ESE
9
1.5
E
9
1.3
ESE
9
1.2
E
9
1.1
E
9
1.1
ESE
9
0.8
E
9
1.3
ESE
9
1.5
SE
6
1.6
ESE
6
1.7
ESE
7
2
ESE
7
2.1
ESE
7
1.9
SSW
9
2.3
S
9
1.8
S
8
1.4
SSW
8
1.3
SSW
8
1.3
SSW
8
1.2
SSW
8
1.2
S
8
0.8
SSW
8
0.8
SSW
7
0.9
SSW
7
Wave Graph
Metric surfscale
Energy kJ
413
355
270
220
186
193
96
228
159
185
247
356
384
599
817
428
215
229
228
176
159
72
70
78
Wind (km/h)
10
NNE
5
NNE
5
NNE
5
ENE
10
SSE
10
SE
15
SE
10
ESE
5
ENE
5
NE
5
NE
5
ENE
10
ENE
10
ENE
10
ENE
5
E
5
NNE
5
N
0
NE
5
SE
10
SE
5
SSE
5
S
0
ENE
Wind State
cross-off
glassy
cross-off
glassy
on
cross-on
cross-on
cross
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
cross
glassy
glassy
glassy
glassy
cross-on
cross-on
glassy
glassy
High Tide
5:45AM1.86m
7:42PM1.84m
6:33AM1.85m
8:29PM1.80m
7:23AM1.81m
Low Tide
00:19AM0.96m
12:43PM-0.12m
1:06AM0.96m
1:32PM-0.08m
1:53AM0.95m
2:20PM0.03m
clear
clear
part cloud
cloud
cloud
part cloud
light rain
rain showers
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
part 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>
7:15
7:16
7:16
 mm
1
1
1
1
1
Temp °C
20
19
19
22
23
23
22
21
21
21
21
22
23
22
23
23
22
22
22
24
24
25
25
23
Feels °C
21
20
20
24
24
24
22
22
23
23
23
24
25
23
25
26
25
25
25
27
27
29
29
27
Swell 1
Height (m)
Direction
Period (s)
1.6
ESE
9
1.5
E
9
1.3
ESE
9
1.2
E
9
1.1
E
9
1.1
ESE
9
0.8
E
9
0.4
SSW
7
0.1
SE
11
0.7
SSW
7
0.7
SSW
7
0.5
SSW
7
1
S
7
1.9
SSW
9
2.3
S
9
1.8
S
8
1.4
SSW
8
1.3
SSW
8
1.3
SSW
8
1.2
SSW
8
1.2
S
8
0.8
SSW
8
0.8
SSW
7
0.9
SSW
7
Energy kJ
413
355
270
220
186
193
96
15
4
57
57
31
112
599
817
428
215
229
228
176
159
72
70
78
Swell 2
Height (m)
Direction
Period (s)
0.5
S
8
0.6
S
8
0.6
S
7
0.6
S
7
0.5
S
7
0.5
S
7
0.4
SSW
7
0.1
SE
11
0.2
ESE
13
0.2
ESE
13
0.1
SE
13
0.1
SE
13
0.1
E
19
0.1
E
19
0.1
SE
10
0.9
ESE
6
0.7
E
6
0.6
E
6
0.8
ESE
6
0.7
ESE
6
0.3
E
12
0.5
SSE
6
0.4
ESE
6
0.4
ESE
6
Energy kJ
31
42
37
35
24
24
15
4
17
17
7
7
7
7
4
64
41
31
44
30
24
18
15
14
Swell 3
Height (m)
Direction
Period (s)
0.1
E
13
0.1
E
13
0.1
SE
13
0.1
SE
13
0.1
SE
11
0.1
SE
13
0.1
SE
11
0.1
SE
11
0.1
E
18
0.2
ESE
10
0.6
SE
6
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.3
SE
10
0.4
ESE
6
0.4
SSE
6
0.3
SE
10
Energy kJ
4
3
7
7
4
7
4
5
6
9
30
16
15
15
15
15
10
15
Wind waves
Height (m)
Direction
Period (s)
0.8
SE
4
1.3
ESE
9
1.5
SE
6
1.6
ESE
6
1.7
ESE
7
2
ESE
7
2.1
ESE
7
1.7
ESE
7
1.2
ESE
7
Energy kJ
29
228
159
185
247
356
384
265
131
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
1
1
2
1
2
2
2
3
3
3
3
2
2
2
2
1
1
1
1
Distance (km)
0
0
0
0
29
29
29
29
0
0
0
0
0
0
0
29
0
0
0
0
82
51
0
0
Best forecast wave conditions in Shikoku
Rating
(10 max)
2
2
2
2
2
1
1
2
1
2
2
2
3
3
3
3
2
2
2
2
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
2
3
2
3
1
2
2
2
3
3
3
3
2
2
2
2
2
2
1
1
Header Global
Rating
(10 max)
7
5
5
5
5
5
5
5
4
4
4
4
5
5
7
4
4
4
5
6
9
7
6
6
  • 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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