Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
28.9°C
1.7° 

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 (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 3ft (0.9m), 8s period with SSE swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 3.5ft (1.0m), 8s period with SSE swell.
  • Evening surf: Evening surf (10 Sep, local time) - 3.5ft (1.1m), 8s period with SE swell.

The current surf forecast for Niyodo Rivermouth at 3AM is: 1.1m 8s primary swell from a Southeast direction (forecast issued at 08:00pm September 09). An open ocean swell of 0.6m 7s is not directed at the surf break, a second open ocean swell of 1.6m 7s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (10 Sep)3ft (0.9m)8s
Afternoon (10 Sep)3.5ft (1.0m)8s
Evening (10 Sep)3.5ft (1.1m)8s

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


Short Range Forecast

Heavy rain (total 22mm), heaviest during Thu night. Warm (max 27°C on Sat morning, min 22°C on Wed night). Wind will be generally light.

Wed
9
Thursday
10
Friday
11
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
1
1
1
1
1
1
2
1
1
1
2
1
2
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
SSE
8
1.4
SE
8
1.2
SE
8
1.1
SE
8
1.1
SE
8
0.9
SSE
8
1
SSE
8
1
SSE
8
1.1
SE
8
1.1
SE
8
1.1
SE
7
1
SE
7
1
SE
7
0.9
SSE
8
0.9
SSE
7
1.1
SSE
7
1
SSE
7
1.2
SSE
7
Wave Graph
Metric surfscale
Energy kJ
322
256
206
158
154
114
126
123
145
140
121
107
107
88
97
125
117
153
Wind (km/h)
15
N
15
N
15
N
10
N
10
N
5
NNW
0
W
5
S
5
W
5
N
0
N
5
N
5
NE
0
NW
10
SSE
5
SSE
5
SSE
5
NNE
Wind State
off
off
off
off
off
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
on
glassy
glassy
glassy
High Tide
5:26PM1.79m
4:52AM1.83m
5:53PM1.84m
5:36AM1.91m
6:18PM1.86m
Low Tide
11:08PM0.74m
11:25AM0.13m
11:42PM0.58m
12:00PM0.17m
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
light rain
light rain
cloud
cloud
light rain
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:19
6:17
 mm
2
5
1
1
1
1
Temp °C
25
24
23
22
22
24
24
24
22
22
23
23
24
25
26
26
25
25
Feels °C
26
25
23
23
23
26
27
27
26
26
27
26
28
29
30
31
30
30
  • 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