Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.8°C
2.1° 

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 (29 Aug):

  • Morning surf: Morning surf (29 Aug, local time) - 3.5ft (1.1m), 8s period with SSW swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 4ft (1.2m), 8s period with SSW swell.
  • Evening surf: Evening surf (29 Aug, local time) - 4ft (1.2m), 7s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 8AM is: 1.1m 8s primary swell from a South-southwest direction and 1.0m 8s secondary swell from a South direction, 0.4m 12s secondary swell from a East direction (forecast issued at 02:00am August 29). The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (29 Aug)3.5ft (1.1m)8s
Afternoon (29 Aug)4ft (1.2m)8s
Evening (29 Aug)4ft (1.2m)7s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Sun night. Warm (max 30°C on Sun morning, min 24°C on Mon night). Wind will be generally light.

Saturday
29
Sunday
30
Monday
31
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)
0
0
1
2
0
0
1
2
1
1
1
1
0
0
0
1
1
1
1
1
0
0
0
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)
1.1
S
8
1
S
8
0.9
SSW
8
1.1
SSW
8
1
S
8
1.2
SSW
8
1.2
SSW
7
1.2
SSW
7
1
SSW
7
1
SSW
7
0.9
SSW
7
0.8
S
7
0.8
S
7
0.8
S
7
0.8
S
7
0.8
S
7
0.8
S
7
0.8
SSW
8
0.8
SSW
8
0.7
S
8
0.7
S
9
0.6
S
8
0.7
S
8
0.7
S
8
Wave Graph
Metric surfscale
Energy kJ
138
115
96
128
115
151
147
147
117
117
91
70
68
68
68
66
66
87
94
68
73
45
68
66
Wind (km/h)
10
SW
5
WSW
0
W
5
SW
10
SSW
10
SSW
5
SSW
0
S
0
ENE
5
NNE
5
NNW
0
SSW
10
S
10
SSW
10
S
0
S
0
ENE
0
E
0
NNW
5
S
10
S
10
S
5
S
5
ENE
Wind State
cross-on
cross-on
glassy
glassy
on
on
on
glassy
glassy
glassy
glassy
glassy
on
on
on
glassy
glassy
glassy
glassy
glassy
on
on
on
glassy
High Tide
6:14AM1.86m
6:56PM1.84m
6:50AM1.86m
7:19PM1.85m
7:27AM1.82m
7:43PM1.84m
Low Tide
00:21AM0.60m
12:37PM0.21m
00:51AM0.50m
1:05PM0.28m
1:22AM0.42m
1:34PM0.40m
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
thunderstorm
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:37
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:34
6:32
 mm
1
2
2
4
1
1
Temp °C
27
27
26
28
29
29
28
27
27
26
26
28
30
30
28
27
26
26
26
28
29
29
28
26
Feels °C
31
32
32
33
33
33
33
33
33
31
31
33
34
35
33
33
32
32
32
33
33
32
32
31
  • 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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