Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 am 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.8°C
2.3° 

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 (01 Sep):

  • Morning surf: Morning surf (01 Sep, local time) - 1.5ft (0.5m), 13s period with E swell.
  • Afternoon surf: Afternoon surf (01 Sep, local time) - 2ft (0.6m), 13s period with E swell.
  • Evening surf: Evening surf (01 Sep, local time) - 2.5ft (0.7m), 12s period with E swell.

The current surf forecast for Niyodo Rivermouth at 11AM is: 0.6m 13s primary swell from a East direction and 0.7m 8s secondary swell from a South direction (forecast issued at 08:00am September 01). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (01 Sep)1.5ft (0.5m)13s
Afternoon (01 Sep)2ft (0.6m)13s
Evening (01 Sep)2.5ft (0.7m)12s

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


Short Range Forecast

Heavy rain (total 44mm), heaviest during Thu night. Warm (max 30°C on Wed morning, min 23°C on Thu night). Wind will be generally light.

Tuesday
1
Wednesday
2
Thursday
3
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
0
0
0
1
2
2
2
2
2
1
0
1
2
2
2
2
2
2
3
3
3
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)
0.5
E
14
0.5
E
13
0.6
E
13
0.6
E
13
0.7
E
12
0.7
E
12
1.1
S
8
1.1
S
8
1.1
SSE
8
1.2
SSE
9
1.3
SSE
9
1.4
SSE
9
1.4
SSE
9
1.1
SSE
9
1.1
SSE
8
1
SSE
8
1
SSE
8
1
SSE
8
1.3
SSE
10
1.6
SSE
10
1.9
SSE
11
1.8
SSE
10
Wave Graph
Metric surfscale
Energy kJ
96
92
126
121
148
144
157
161
176
238
260
307
300
197
180
147
147
144
367
510
815
694
Wind (km/h)
5
NE
10
SE
10
SSE
10
SSE
5
SSE
5
NE
5
NE
10
NNE
10
NNE
0
W
10
SSW
15
SSE
10
ESE
5
NNE
5
ESE
5
NNE
5
N
5
NNW
5
ENE
5
NE
5
NE
5
NNE
Wind State
cross-off
cross-on
on
on
cross-on
glassy
cross-off
off
cross-off
glassy
on
cross-on
cross-on
glassy
glassy
glassy
glassy
cross-off
glassy
glassy
glassy
glassy
High Tide
8:08AM1.74m
8:08PM1.81m
8:53AM1.62m
8:36PM1.75m
9:49AM1.48m
Low Tide
2:03PM0.55m
2:34AM0.36m
2:35PM0.72m
3:19AM0.39m
3:09PM0.91m
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
light rain
mod rain
light rain
light rain
light rain
light rain
rain showers
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:29
 mm
1
5
2
3
6
1
5
3
1
3
Temp °C
25
28
29
29
28
26
25
25
25
28
30
30
27
26
25
25
25
24
25
26
25
25
Feels °C
29
31
31
31
32
30
29
28
28
32
32
32
31
31
29
30
29
28
29
30
30
29
  • 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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