Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
28.1°C
1.6° 

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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 7ft (2.1m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 11ft (3.5m), 16s period with ESE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 11ft (3.5m), 14s period with ESE swell.

The current surf forecast for Niyodo Rivermouth at 3PM is: 3.5m 16s primary swell from a East-southeast direction (forecast issued at 08:00am September 19). The wind direction is predicted to be glassy and the swell rating is 11.

Time (JST) & DateWave HeightWave Period
Morning (19 Sep)7ft (2.1m)10s
Afternoon (19 Sep)11ft (3.5m)16s
Evening (19 Sep)11ft (3.5m)14s

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


Short Range Forecast

Mostly dry. Warm (max 31°C on Sun morning, min 19°C on Mon night). Wind will be generally light.

Saturday
19
Sunday
20
Monday
21
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)
4
4
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4
4
3
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)
2.2
ESE
10
2.1
ESE
10
3.5
ESE
16
3.5
ESE
16
3.5
ESE
14
3.5
ESE
14
4
ESE
14
4
ESE
14
4
ESE
13
4
ESE
13
4
ESE
13
4
ESE
13
3.5
ESE
13
3.5
ESE
13
3.5
ESE
12
3
ESE
12
3.5
ESE
12
3
ESE
12
3
ESE
12
2.5
ESE
12
2.2
ESE
12
1.8
ESE
12
Wave Graph
Metric surfscale
Energy kJ
896
800
5789
6575
5603
5448
5502
5643
5105
5029
5397
5183
4637
4177
3358
3076
3223
3018
2265
1807
1302
882
Wind (km/h)
5
NNE
5
WNW
10
SSW
5
SW
5
NW
10
N
10
N
15
NNW
10
N
20
N
15
N
20
NNW
15
NNW
20
NNW
15
NNW
20
NNW
20
NNW
20
NNW
20
NNW
20
N
20
N
20
N
Wind State
glassy
glassy
cross-on
glassy
glassy
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
High Tide
9:22PM1.39m
4:06PM1.33m
00:05AM1.30m
4:10PM1.43m
Low Tide
4:47AM0.66m
6:47AM0.71m
8:43PM1.27m
8:31AM0.64m
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:06
6:04
 mm
Temp °C
23
26
28
27
26
25
24
23
23
27
31
30
26
24
23
23
23
25
28
27
24
21
Feels °C
26
29
30
31
30
28
26
24
24
27
31
29
26
24
23
23
22
24
28
26
23
20
  • 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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