Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 pm 03 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 (03 Sep):

  • 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 5PM is: 1.5m 10s primary swell from a South-southeast direction and 0.6m 10s secondary swell from a East direction (forecast issued at 02:00pm September 03). The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (03 Sep)--
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 67mm), heaviest during Fri afternoon. Warm (max 29°C on Thu afternoon, min 21°C on Fri night). Wind will be generally light.

Thu
3
Friday
4
Saturday
5
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)
2
2
2
3
3
3
3
3
3
3
2
2
2
2
3
3
2
2
2
2
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)
1.1
SSE
9
1.4
SSE
10
1.5
SSE
10
1.7
SSE
10
1.8
SSE
10
1.9
SSE
10
1.9
SSE
10
1.8
S
10
1.8
S
10
1.7
S
10
1.6
S
10
1.4
S
9
1
SSW
10
1.2
E
7
1.9
E
8
2
E
8
1.3
E
8
1.3
E
8
1.2
E
7
1.5
E
7
Wave Graph
Metric surfscale
Energy kJ
189
356
407
561
637
671
657
618
625
535
453
341
197
156
477
463
235
198
156
199
Wind (km/h)
5
NW
5
SW
5
E
5
NNE
5
N
5
NNE
5
NE
5
N
15
N
5
NNW
5
NNE
10
NE
5
NNW
5
NNW
10
N
10
N
0
N
5
SW
0
NW
5
NNE
Wind State
glassy
glassy
glassy
glassy
off
glassy
cross-off
off
off
cross-off
off
cross-off
cross-off
off
off
off
glassy
glassy
glassy
off
High Tide
9:09PM1.67m
11:15AM1.35m
9:51PM1.57m
1:52PM1.33m
Low Tide
3:09PM0.91m
4:17AM0.45m
3:53PM1.10m
5:43AM0.50m
5:37PM1.25m
thunderstorm
cloud
thunderstorm
light rain
part cloud
cloud
cloud
light rain
heavy rain
heavy rain
mod rain
light rain
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:28
6:25
 mm
2
1
1
1
25
29
7
2
Temp °C
27
29
28
26
26
26
25
25
23
22
22
21
21
22
22
24
29
29
27
25
Feels °C
32
33
33
31
30
30
28
29
25
25
25
23
23
24
23
25
32
32
31
28
  • 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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