Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 pm 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.8°C
2.4° 

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 (03 Sep):

  • Morning surf: Morning surf (03 Sep, local time) - 3.5ft (1.0m), 8s period with SSE swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 4.5ft (1.4m), 10s period with SSE swell.
  • Evening surf: Evening surf (03 Sep, local time) - 5.5ft (1.7m), 10s period with SSE swell.

The current surf forecast for Niyodo Rivermouth at 3AM is: 1.0m 8s primary swell from a South-southeast direction and 0.6m 10s secondary swell from a East direction, 0.4m 5s secondary swell from a East direction (forecast issued at 08:00pm September 02). The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (03 Sep)3.5ft (1.0m)8s
Afternoon (03 Sep)4.5ft (1.4m)10s
Evening (03 Sep)5.5ft (1.7m)10s

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


Short Range Forecast

Heavy rain (total 109mm), heaviest during Fri morning. Warm (max 28°C on Thu afternoon, min 21°C on Fri afternoon). Wind will be generally light.

Wed
2
Thursday
3
Friday
4
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
2
2
2
2
2
2
3
3
3
3
3
3
2
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
SSE
9
1.2
SSE
9
0.8
E
11
1
SSE
8
1
SSE
8
1
SSE
8
1.3
SSE
9
1.4
SSE
10
1.5
SSE
10
1.7
SSE
10
1.6
S
10
1.6
S
10
1.7
S
10
1.8
S
11
1.9
S
10
1.8
S
10
1.6
S
10
1.5
S
9
Wave Graph
Metric surfscale
Energy kJ
213
208
151
147
128
151
245
356
425
584
541
520
584
723
738
612
463
390
Wind (km/h)
10
SE
5
NE
5
NE
5
NE
5
NNE
5
NE
5
N
5
NNW
5
N
10
NNW
5
NNE
5
N
10
N
10
NNE
15
NE
10
NNW
10
NNE
5
NNE
Wind State
cross-on
glassy
glassy
glassy
glassy
glassy
off
off
glassy
off
off
off
off
cross-off
cross-off
cross-off
off
cross-off
High Tide
8:36PM1.75m
9:49AM1.48m
9:09PM1.67m
11:15AM1.35m
Low Tide
3:19AM0.39m
3:09PM0.91m
4:17AM0.45m
3:53PM1.10m
thunderstorm
cloud
thunderstorm
cloud
thunderstorm
light rain
light rain
cloud
cloud
cloud
cloud
cloud
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:29
6:28
 mm
3
1
1
1
2
11
14
21
19
13
7
Temp °C
28
27
26
26
26
26
26
28
27
25
25
25
23
23
22
22
21
21
Feels °C
33
32
31
31
30
31
30
31
31
28
28
28
25
26
23
25
23
24
  • 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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