Niyodo Rivermouth Surf Break
Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Weather Forecast for Niyodo Rivermouth

Issued: 2 am 09 Jun 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
23.5° C

Slightly warmer than usual

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 (09 Jun):

  • Morning surf: Morning surf (09 Jun, local time) - 3ft (0.9m), 8s period with S swell.
  • Afternoon surf: Afternoon surf (09 Jun, local time) - 3.5ft (1.0m), 8s period with S swell.
  • Evening surf: Evening surf (09 Jun, local time) - 3ft (0.9m), 8s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 6AM is: 0.7m 7s primary swell from a South direction and 0.6m 8s secondary swell from a East direction (forecast issued at 02:00am June 09). The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Jun)3ft (0.9m)8s
Afternoon (09 Jun)3.5ft (1.0m)8s
Evening (09 Jun)3ft (0.9m)8s

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 3mm), mostly falling on Tue night. Warm (max 23°C on Wed morning, min 18°C on Wed night). Wind will be generally light.

Tuesday
9
Wednesday
10
Thursday
11
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)
1
1
1
1
1
1
1
0
0
2
1
1
0
0
0
1
1
1
1
1
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
S
7
0.9
S
7
0.7
S
7
0.9
S
8
1
S
8
1
S
8
0.9
SSW
8
0.9
SSW
8
1
S
8
1.1
SSW
8
1.1
SSW
8
1
SSW
8
0.9
SSW
8
0.9
SSW
8
1
S
8
1.1
S
9
1.1
S
9
1.1
S
8
1.1
S
8
1.1
S
8
1.1
S
8
1.1
S
8
1
S
8
1
S
8
Wave Graph
Metric surfscale
Energy kJ
108
86
52
100
120
118
94
96
140
180
176
144
109
109
140
181
181
177
177
173
169
165
133
132
Wind (km/h)
10
N
5
NNW
5
NNW
5
NNW
5
NNE
0
ENE
0
SW
5
SW
10
WSW
5
WNW
5
NNE
0
SE
10
S
10
SSE
10
S
5
N
5
N
5
N
5
N
5
SSW
10
S
10
S
5
ESE
5
NE
Wind State
off
cross-off
off
glassy
glassy
glassy
glassy
cross-on
cross-on
glassy
glassy
glassy
on
on
on
glassy
off
off
off
glassy
on
on
glassy
cross-off
High Tide
00:10AM1.55m
12:18PM1.35m
1:00AM1.58m
1:50PM1.40m
1:49AM1.62m
3:08PM1.51m
Low Tide
6:31AM0.84m
6:22PM0.73m
7:37AM0.68m
7:33PM0.81m
8:35AM0.50m
8:41PM0.87m
light rain
mod rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
rain showers
<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>
7:13
7:14
7:14
 mm
4
8
1
1
1
1
Temp °C
18
18
18
19
21
21
21
20
20
19
19
21
23
23
22
20
18
18
18
22
23
23
22
20
Feels °C
18
19
19
20
23
22
23
21
21
20
20
23
23
23
23
22
18
17
17
22
23
24
24
21
Swell 1
Height (m)
Direction
Period (s)
1
S
7
0.9
S
7
0.7
S
7
0.9
S
8
1
S
8
1
S
8
0.9
SSW
8
0.9
SSW
8
1
S
8
1.1
SSW
8
1.1
SSW
8
1
SSW
8
0.9
SSW
8
0.9
SSW
8
1
S
8
1.1
S
9
1.1
S
9
1.1
S
8
1.1
S
8
1.1
S
8
1.1
S
8
1.1
S
8
1
S
8
1
S
8
Energy kJ
108
86
52
100
120
118
94
96
140
180
176
144
109
109
140
181
181
177
177
173
169
165
133
132
Swell 2
Height (m)
Direction
Period (s)
0.5
E
8
0.6
E
8
0.6
E
8
0.5
E
8
0.4
E
8
0.3
E
8
0.3
E
8
0.3
E
10
0.3
E
10
0.3
E
10
0.3
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
9
0.2
E
8
0.2
E
8
0.1
E
8
0.1
E
8
0.1
E
8
0.2
E
8
Energy kJ
33
46
45
29
21
12
12
17
17
17
16
6
6
6
6
6
6
6
6
6
1
1
1
5
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.2
E
12
0.2
E
10
0.2
E
12
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.2
SSW
11
0.1
E
15
0.1
E
15
0.1
E
15
Energy kJ
4
4
4
11
8
11
3
3
3
3
3
3
3
3
3
12
4
4
4
Wind waves
Height (m)
Direction
Period (s)
0.4
SW
3
0.4
SW
3
0.2
SSW
2
0.3
WSW
3
Energy kJ
2
4
1
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
2
2
1
1
Distance (km)
0
0
0
0
0
0
0
51
51
0
0
0
64
51
51
0
0
0
0
0
51
51
0
0
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
2
2
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
2
2
1
1
Header Global
Rating
(10 max)
5
6
6
9
9
8
7
6
5
5
5
5
5
5
6
9
9
9
9
9
8
6
8
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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