Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 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 12PM is: 1.3m 9s primary swell from a South-southwest direction and 1.0m 9s secondary swell from a South-southeast direction (forecast issued at 08:00am 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 Fri afternoon. Warm (max 29°C on Thu morning, min 25°C on Fri night). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
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)
2
0
0
2
1
2
1
2
2
2
1
1
2
1
1
2
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
Wave
Height (m)
Direction
Period (s)
1.3
SSW
10
1.2
SSW
10
1.3
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
1.1
S
8
1.1
S
8
1
S
7
0.5
E
13
0.5
E
13
1
S
7
1
S
7
0.9
SSW
8
0.9
SSW
7
0.9
SSW
7
0.7
S
7
0.9
SSW
7
0.9
SSW
7
Wave Graph
Metric surfscale
Energy kJ
331
275
287
258
242
188
275
264
230
153
138
97
82
80
108
112
99
91
91
53
97
91
Wind (km/h)
5
SSW
10
SSW
10
SSW
10
SSW
5
SSW
5
SSW
5
SW
5
SW
0
N
5
SSW
10
S
5
SSW
0
S
5
NE
5
NNE
5
NE
5
N
0
SW
10
S
10
SSW
5
SSW
0
SSE
Wind State
on
on
cross-on
on
cross-on
glassy
cross-on
glassy
glassy
glassy
on
cross-on
glassy
glassy
glassy
glassy
glassy
glassy
on
cross-on
cross-on
glassy
High Tide
5:03AM1.74m
6:12PM1.76m
5:39AM1.81m
6:34PM1.80m
6:14AM1.86m
6:56PM1.84m
Low Tide
11:40AM0.20m
11:53PM0.72m
12:08PM0.18m
00:21AM0.60m
12:37PM0.21m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
<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
2
1
1
1
2
1
1
2
3
1
Temp °C
27
28
29
29
28
27
27
26
26
28
29
28
28
26
26
25
25
27
29
29
28
27
Feels °C
32
32
33
33
33
33
32
31
32
33
33
33
34
31
31
29
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