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: 8 pm 08 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) - 3.5ft (1.1m), 9s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 12AM is: 1.0m 7s primary swell from a South direction and 0.5m 8s secondary swell from a East direction (forecast issued at 08:00pm June 08). An open ocean swell of 0.4m 3s is not directed at the surf break. 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)3.5ft (1.1m)9s

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 27mm), heaviest during Mon night. Warm (max 23°C on Wed morning, min 18°C on Mon night). Wind will be generally light.

Mon
8
Tuesday
9
Wednesday
10
Thursday
11
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)
0
2
1
1
1
1
1
0
1
2
2
2
2
1
0
0
0
1
1
1
1
1
0
0
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)
1.3
SSW
8
1.2
S
8
1
S
7
0.8
S
7
0.7
S
7
0.9
S
8
1
S
8
1
S
8
1
S
8
1.1
SSW
9
1.3
SSW
9
1.3
SSW
9
1.2
SSW
8
1.1
SSW
8
1
S
8
1
S
8
0.9
SSW
8
0.9
SSW
8
0.9
SSW
8
0.9
SSW
8
0.9
SSW
8
0.9
S
8
0.9
S
8
1.1
S
9
Wave Graph
Metric surfscale
Energy kJ
206
181
108
68
52
100
124
121
121
197
276
232
207
171
134
130
107
107
115
115
115
111
108
177
Wind (km/h)
10
SSW
15
N
15
N
5
NW
10
NNW
5
N
0
SE
10
SSW
5
SSW
5
WSW
5
N
5
NNE
5
NNE
0
W
10
SSE
10
SSE
10
S
0
NNW
5
N
5
N
5
N
5
SW
10
S
10
S
Wind State
on
off
off
cross-off
off
off
glassy
on
glassy
glassy
glassy
off
off
glassy
on
on
on
glassy
off
off
off
glassy
on
on
High Tide
00:10AM1.55m
12:18PM1.35m
1:00AM1.58m
1:50PM1.40m
1:49AM1.62m
Low Tide
5:17PM0.64m
6:31AM0.84m
6:22PM0.73m
7:37AM0.68m
7:33PM0.81m
8:35AM0.50m
mod rain
heavy rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
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>
7:13
7:13
7:14
7:14
 mm
7
16
5
4
2
Temp °C
22
20
18
18
18
19
21
21
21
20
20
19
18
22
23
23
22
20
19
18
18
22
23
23
Feels °C
24
21
18
19
18
20
23
21
23
22
22
20
18
23
23
23
23
22
20
18
17
22
23
23
Swell 1
Height (m)
Direction
Period (s)
0.7
E
8
1.2
S
8
1
S
7
0.8
S
7
0.7
S
7
0.9
S
8
1
S
8
1
S
8
1
S
8
1.1
SSW
9
1.3
SSW
9
1.3
SSW
9
1.2
SSW
8
1.1
SSW
8
1
S
8
1
S
8
0.9
SSW
8
0.9
SSW
8
0.9
SSW
8
0.9
SSW
8
0.9
SSW
8
0.9
S
8
0.9
S
8
1.1
S
9
Energy kJ
68
181
108
68
52
100
124
121
121
197
276
232
207
171
134
130
107
107
115
115
115
111
108
177
Swell 2
Height (m)
Direction
Period (s)
0.4
SE
7
0.6
E
8
0.5
E
8
0.5
E
8
0.5
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
ENE
9
0.2
ENE
9
0.3
ENE
9
0.3
ENE
9
0.2
E
9
0.2
E
9
0.2
S
11
0.5
S
11
0.6
SSW
10
0.1
E
8
Energy kJ
19
49
33
32
31
30
21
12
12
17
17
17
16
7
8
8
16
16
6
6
10
61
82
1
Swell 3
Height (m)
Direction
Period (s)
0.2
E
11
0.3
SE
7
0.1
SE
10
0.1
SE
10
0.1
SE
10
0.2
E
12
0.2
E
12
0.2
E
10
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
0.1
SE
9
0.1
SE
9
0.2
E
8
0.2
E
8
0.1
E
8
0.1
E
15
Energy kJ
10
8
4
4
4
11
10
8
3
3
3
3
3
3
3
3
3
3
3
6
6
1
4
Wind waves
Height (m)
Direction
Period (s)
1.3
SSW
8
0.4
NNW
3
0.3
N
3
0.2
NNW
2
0.4
SW
3
0.5
SW
4
0.2
ENE
4
0.4
ENE
9
0.3
ENE
4
Energy kJ
206
2
1
1
2
6
2
27
4
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
2
Distance (km)
55
0
0
0
0
0
0
51
0
0
0
0
0
0
64
587
29
0
0
0
0
0
58
51
Best forecast wave conditions in Shikoku
Rating
(10 max)
2
2
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
4
2
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
2
Header Global
Rating
(10 max)
7
5
5
5
6
9
9
8
7
6
5
5
5
5
5
5
7
9
9
9
9
9
9
7
  • 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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