Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
28.8°C
1.6° 

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 (11 Sep):

  • Morning surf: Morning surf (11 Sep, local time) - 3ft (0.9m), 8s period with SSE swell.
  • Afternoon surf: Afternoon surf (11 Sep, local time) - 4.5ft (1.3m), 7s period with SSE swell.
  • Evening surf: Evening surf (11 Sep, local time) - 3.5ft (1.1m), 7s period with SSE swell.

The current surf forecast for Niyodo Rivermouth at 1PM is: 1.2m 7s primary swell from a South-southeast direction and 0.6m 7s secondary swell from a East direction, 0.8m 7s secondary swell from a East direction (forecast issued at 08:00am September 11). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (11 Sep)3ft (0.9m)8s
Afternoon (11 Sep)4.5ft (1.3m)7s
Evening (11 Sep)3.5ft (1.1m)7s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Fri afternoon. Warm (max 28°C on Sat morning, min 24°C on Sun night). Wind will be generally light.

Friday
11
Saturday
12
Sunday
13
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
2
1
2
1
2
2
1
1
1
0
1
1
1
2
1
1
1
0
1
1
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSE
7
0.9
SSE
8
1.2
SSE
7
1.3
SSE
7
1.3
SSE
7
1.1
SSE
7
1.1
SSE
7
1
SSE
7
0.9
SSE
7
0.8
SSE
7
0.5
E
14
0.5
E
14
0.5
E
14
0.6
E
14
0.7
E
14
0.5
E
14
0.5
E
13
0.5
E
13
0.5
E
13
0.9
ESE
13
0.6
E
13
0.9
SE
9
Wave Graph
Metric surfscale
Energy kJ
86
99
147
172
172
136
132
108
79
63
89
89
89
134
192
93
88
85
87
257
126
110
Wind (km/h)
5
NNE
0
S
5
S
5
WSW
5
W
10
NW
5
N
5
NNE
5
NNE
0
SSE
5
SSW
5
SW
5
SSE
5
NNE
5
NNE
5
NE
5
ENE
5
ESE
10
SSE
10
SSE
5
SE
5
NE
Wind State
glassy
glassy
on
glassy
cross
cross-off
glassy
glassy
glassy
glassy
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
High Tide
5:36AM1.91m
6:18PM1.86m
6:17AM1.93m
6:43PM1.87m
6:55AM1.89m
7:06PM1.85m
Low Tide
12:00PM0.17m
00:14AM0.45m
12:32PM0.26m
00:46AM0.35m
1:01PM0.39m
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:45
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:17
6:16
6:15
 mm
1
2
1
1
1
1
1
Temp °C
24
26
27
27
26
25
25
25
25
26
28
28
27
26
25
25
25
27
28
28
27
25
Feels °C
28
31
31
32
30
29
30
30
30
31
32
33
32
31
29
29
29
32
31
32
32
30
  • 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 

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