Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 pm 28 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) - 3ft (0.9m), 8s period with SSW swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 3.5ft (1.0m), 8s period with SSW swell.
  • Evening surf: Evening surf (29 Aug, local time) - 3.5ft (1.0m), 7s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 2AM is: 1.0m 8s primary swell from a South direction and 0.5m 12s secondary swell from a East direction (forecast issued at 08:00pm August 28). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (29 Aug)3ft (0.9m)8s
Afternoon (29 Aug)3.5ft (1.0m)8s
Evening (29 Aug)3.5ft (1.0m)7s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Fri night. Warm (max 29°C on Sat morning, min 26°C on Fri night). Wind will be generally light.

Fri
28
Saturday
29
Sunday
30
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
1
1
0
0
1
1
1
1
1
1
0
0
1
1
Swell
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
13
0.9
SSW
8
1
S
8
1
S
8
0.9
SSW
8
0.9
SSW
8
0.9
SSW
8
1
SSW
8
1
SSW
7
1
SSW
7
0.9
SSW
8
0.9
SSW
7
0.9
SSW
7
0.8
S
7
0.8
S
7
0.8
S
7
0.8
S
7
0.7
S
7
Wave Graph
Metric surfscale
Energy kJ
82
100
115
115
96
94
94
120
117
117
94
91
91
70
68
68
68
51
Wind (km/h)
10
SW
10
SW
10
SW
5
SW
0
W
5
SSW
10
S
10
SSW
5
SSW
5
SE
0
S
0
NNW
5
NNW
5
SW
10
S
10
SSW
5
S
5
SW
Wind State
cross-on
cross-on
cross-on
glassy
glassy
glassy
on
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
High Tide
6:34PM1.80m
6:14AM1.86m
6:56PM1.84m
6:50AM1.86m
7:19PM1.85m
Low Tide
00:21AM0.60m
12:37PM0.21m
00:51AM0.50m
1:05PM0.28m
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:35
6:34
 mm
1
1
1
Temp °C
28
27
27
27
26
27
29
29
28
27
27
26
26
28
29
29
28
27
Feels °C
33
32
32
32
32
32
33
33
33
33
33
32
32
33
33
33
33
33
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Niyodo Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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