Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 pm 04 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
30.0°C
2.6° 

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 (04 Sep):

  • Afternoon surf: Afternoon surf (04 Sep, local time) - 5.5ft (1.7m), 10s period with S swell.
  • Evening surf: Evening surf (04 Sep, local time) - 5ft (1.6m), 10s period with S swell.

The current surf forecast for Niyodo Rivermouth at 7PM is: 1.6m 10s primary swell from a South direction and 0.3m 10s secondary swell from a East direction (forecast issued at 02:00pm September 04). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (04 Sep)--
Afternoon (04 Sep)5.5ft (1.7m)10s
Evening (04 Sep)5ft (1.6m)10s

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


Short Range Forecast

Heavy rain (total 162mm), heaviest during Fri afternoon. Warm (max 26°C on Sat afternoon, min 21°C on Fri night). Wind will be generally light.

Fri
4
Saturday
5
Sunday
6
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)
3
3
3
3
2
2
2
2
2
2
2
2
2
2
3
4
!
!
!
!
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)
1.8
S
10
1.7
S
10
1.7
S
10
1.6
S
10
1.2
SSW
10
1.1
SSW
10
1.2
S
10
1.2
SSW
9
1.5
E
7
1.1
SSW
9
1.3
E
7
1.4
E
6
1.8
E
6
2
E
7
1.7
E
8
1.7
SE
10
3
E
9
3.5
E
10
3.5
E
11
4
E
11
Wave Graph
Metric surfscale
Energy kJ
625
546
522
480
263
218
262
248
245
203
166
166
272
416
332
555
1817
2141
2930
3927
Wind (km/h)
15
NNW
10
N
5
N
10
NNE
5
NNW
5
NE
5
NNE
5
N
5
N
0
ESE
5
ESE
5
N
5
N
10
NNE
10
N
10
NNE
5
NE
5
N
10
ENE
5
N
Wind State
off
off
glassy
cross-off
glassy
glassy
cross-off
off
off
glassy
glassy
off
off
off
off
off
cross-off
off
cross-off
off
High Tide
9:51PM1.57m
1:52PM1.33m
11:11PM1.47m
3:38PM1.46m
Low Tide
3:53PM1.10m
5:43AM0.50m
5:37PM1.25m
7:35AM0.47m
8:37PM1.23m
heavy rain
heavy rain
heavy rain
light rain
light rain
rain showers
cloud
light rain
cloud
cloud
cloud
cloud
light rain
light rain
light rain
cloud
light rain
light rain
mod rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:41
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:28
6:25
6:24
 mm
16
52
16
2
2
1
1
1
2
1
1
4
8
8
Temp °C
24
22
22
21
21
22
22
23
25
26
26
25
24
24
24
25
26
25
24
23
Feels °C
26
24
25
23
24
25
24
26
29
30
30
28
27
27
27
28
30
29
28
26
  • 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.


Nearest locationNearest