Niyodo Rivermouth Surf Break

Niyodo Rivermouth 48 hour detailed Surf Forecast

Lat Long: 33.54° N 133.69° E

Issued: 2 am 13 Jun 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
23.1° 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 (13 Jun):

  • Morning surf: Morning surf (13 Jun, local time) - 1.5ft (0.5m), 7s period with S swell.
  • Afternoon surf: Afternoon surf (13 Jun, local time) - 1.5ft (0.5m), 7s period with SSE swell.
  • Evening surf: Evening surf (13 Jun, local time) - 1.5ft (0.5m), 7s period with S swell.

The current surf forecast for Niyodo Rivermouth at 9AM is: 0.5m 7s primary swell from a South direction and 0.4m 8s secondary swell from a South-southwest direction (forecast issued at 02:00am June 13). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (13 Jun)1.5ft (0.5m)7s
Afternoon (13 Jun)1.5ft (0.5m)7s
Evening (13 Jun)1.5ft (0.5m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 13mm), heaviest on Sun night. Warm (max 24°C on Sat morning, min 18°C on Sun night). Wind will be generally light.

Saturday
13
Sunday
14
Monday
15
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
0
0
0
0
0
0
0
0
0
0
0
0
2
2
3
3
3
2
3
3
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
S
8
0.5
SSW
8
0.5
S
7
0.5
S
7
0.5
SSE
7
0.5
SSE
7
0.5
S
7
0.5
S
7
0.5
S
7
0.4
SSE
6
0.4
SSE
6
0.4
S
6
0.7
SE
6
0.7
SSE
6
0.8
SSE
6
0.2
ESE
14
1.9
ESE
6
1.9
SE
8
2.4
ESE
8
2.3
ESE
9
2.4
ESE
9
2.3
ESE
9
2.2
ESE
9
1.8
ESE
10
Wave Graph
Metric surfscale
Energy kJ
74
35
25
23
26
26
22
22
21
13
13
12
39
32
36
20
272
413
782
859
917
890
813
602
Wind (km/h)
10
N
10
N
5
N
0
WNW
10
S
10
SSE
5
SSE
5
NNE
5
NNE
5
NNE
5
NNE
5
ESE
15
SE
15
SE
10
SSE
10
E
10
ENE
10
NNE
10
N
5
NNW
5
WNW
10
SSW
5
WNW
5
NW
Wind State
off
off
off
glassy
on
cross-on
glassy
off
off
off
cross-off
glassy
cross-on
cross-on
cross-on
cross
cross-off
off
off
cross-off
glassy
on
glassy
glassy
High Tide
3:24AM1.73m
5:10PM1.75m
4:11AM1.78m
6:03PM1.83m
4:58AM1.83m
6:53PM1.86m
Low Tide
9:43PM0.90m
10:17AM0.13m
10:39PM0.93m
11:06AM-0.01m
11:31PM0.95m
11:55AM-0.10m
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
light rain
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
7:15
7:15
 mm
1
2
2
4
2
2
Temp °C
20
20
20
24
24
24
24
21
20
20
20
22
24
23
20
19
18
18
19
20
23
23
20
20
Feels °C
21
20
20
25
24
24
26
22
21
21
20
23
24
23
20
19
18
18
19
21
24
23
22
22
Swell 1
Height (m)
Direction
Period (s)
0.8
S
8
0.5
SSW
8
0.5
S
7
0.5
S
7
0.5
SSE
7
0.5
SSE
7
0.5
S
7
0.5
S
7
0.5
S
7
0.4
SSE
6
0.4
SSE
6
0.4
S
6
0.2
ESE
9
0.3
E
8
0.3
E
8
0.5
S
5
0.1
SE
12
1.9
SE
8
2.4
ESE
8
2.3
ESE
9
2.4
ESE
9
2.3
ESE
9
2.2
ESE
9
1.8
ESE
10
Energy kJ
74
35
25
23
26
26
22
22
21
13
13
12
8
10
10
14
6
413
782
859
917
890
813
602
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
9
0.5
SSE
7
0.4
SSW
8
0.4
SSW
8
0.3
SSW
7
0.3
SSW
7
0.2
SSW
7
0.1
SE
10
0.2
E
8
0.3
E
8
0.3
E
8
0.3
E
8
0.1
SE
13
0.2
ESE
9
0.2
ESE
9
0.2
ESE
14
0.1
E
15
0.2
E
15
0.2
E
15
0.2
ESE
15
0.1
SE
15
0.1
SE
15
0.5
S
8
0.5
S
8
Energy kJ
3
29
24
19
11
11
5
4
5
11
10
10
7
8
9
20
4
17
17
21
8
8
31
28
Swell 3
Height (m)
Direction
Period (s)
0.1
E
7
0.1
SE
9
0.1
SE
9
0.2
ESE
9
0.2
ESE
10
0.2
ESE
10
0.2
ESE
10
0.2
E
8
0.1
SE
10
0.1
SE
9
0.1
SE
9
0.2
ESE
9
0.1
E
16
0.1
SE
13
0.2
E
10
0.2
ESE
10
Energy kJ
1
3
3
8
10
9
9
6
4
3
3
9
5
6
8
9
Wind waves
Height (m)
Direction
Period (s)
0.7
SE
6
0.7
SSE
6
0.8
SSE
6
0.7
E
4
1.9
ESE
6
1.3
ENE
7
1.2
ENE
7
Energy kJ
39
32
36
12
272
191
139
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
3
3
3
3
3
Distance (km)
0
0
0
0
523
433
433
433
433
432
432
432
29
645
29
29
0
0
0
0
0
85
0
0
Best forecast wave conditions in Shikoku
Rating
(10 max)
1
1
1
1
1
1
1
2
3
3
3
3
3
3
3
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
2
3
3
3
3
3
4
3
Header Global
Rating
(10 max)
5
4
8
9
6
5
5
5
5
5
5
4
4
4
4
5
5
9
9
4
4
5
5
5
  • 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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