Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 am 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.4°C
1.8° 

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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 4ft (1.2m), 10s period with SSW swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 4ft (1.2m), 10s period with SSE swell.
  • Evening surf: Evening surf (27 Aug, local time) - 3.5ft (1.1m), 9s period with SSE swell.

The current surf forecast for Niyodo Rivermouth at 6AM is: 1.3m 10s primary swell from a South-southwest direction and 1.1m 9s secondary swell from a Southeast direction (forecast issued at 02:00am August 27). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (27 Aug)4ft (1.2m)10s
Afternoon (27 Aug)4ft (1.2m)10s
Evening (27 Aug)3.5ft (1.1m)9s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Thu morning. Warm (max 30°C on Fri morning, min 25°C on Fri night). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
3
2
2
1
0
2
2
2
3
2
2
2
0
1
2
2
1
1
1
1
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
SSW
11
1.4
SSW
10
1.3
SSW
10
1.2
SSW
10
1.2
SSW
9
1.2
SSE
10
1.2
SSE
9
1.1
SSE
9
1.3
S
9
1.3
S
9
1.3
S
8
0.9
SSE
8
1.1
S
8
1.1
S
7
1
S
7
1
S
7
1
S
7
1
S
7
0.9
S
7
0.9
SSW
7
0.9
SSW
7
0.7
S
7
0.7
S
7
0.9
SSW
7
Wave Graph
Metric surfscale
Energy kJ
436
404
331
275
248
258
242
188
275
263
224
116
153
131
103
108
108
108
88
91
91
53
53
91
Wind (km/h)
5
S
10
SSW
5
SSW
10
SSW
10
SSW
10
SSW
5
SSW
5
SSW
5
WSW
5
SW
0
NNW
0
SSE
10
S
5
SSW
0
SSE
5
NNE
5
N
5
NNE
5
N
0
SW
10
S
10
SSW
5
S
0
SSW
Wind State
glassy
cross-on
cross-on
on
cross-on
on
glassy
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
glassy
glassy
glassy
glassy
on
on
on
glassy
High Tide
5:03AM1.74m
6:12PM1.76m
5:39AM1.81m
6:34PM1.80m
6:14AM1.86m
6:56PM1.84m
Low Tide
11:25PM0.84m
11:40AM0.20m
11:53PM0.72m
12:08PM0.18m
00:21AM0.60m
12:37PM0.21m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:35
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:37
6:37
6:35
 mm
1
1
1
1
2
1
1
1
2
2
1
2
2
1
1
Temp °C
27
27
27
28
29
29
28
27
27
26
26
28
30
28
27
26
26
25
25
27
29
29
28
27
Feels °C
33
32
32
32
33
33
34
33
32
31
32
34
34
33
33
31
31
30
30
32
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.


Nearest locationNearest