Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 pm 26 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
27.5°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 (27 Sep):

  • Morning surf: Morning surf (27 Sep, local time) - 1.5ft (0.4m), 8s period with SSE swell.
  • Afternoon surf: Afternoon surf (27 Sep, local time) - 1.5ft (0.4m), 8s period with SSE swell.
  • Evening surf: Evening surf (27 Sep, local time) - 1.5ft (0.5m), 6s period with S swell.

The current surf forecast for Niyodo Rivermouth at 4AM is: 0.4m 8s primary swell from a South-southeast direction and 0.6m 5s secondary swell from a South-southwest direction (forecast issued at 08:00pm September 26). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (27 Sep)1.5ft (0.4m)8s
Afternoon (27 Sep)1.5ft (0.4m)8s
Evening (27 Sep)1.5ft (0.5m)6s

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


Short Range Forecast

Heavy rain (total 64mm), heaviest during Sun morning. Warm (max 25°C on Mon morning, min 19°C on Tue afternoon). Wind will be generally light.

Sat
26
Sunday
27
Monday
28
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)
1
1
1
1
1
1
0
0
1
1
1
0
0
1
1
1
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)
0.8
SSW
4
0.9
SW
5
0.4
SSE
9
0.4
SSE
8
0.4
SSE
8
0.4
SSE
8
0.4
SSE
8
0.4
SSE
8
0.4
SSE
8
0.5
S
6
0.6
SSE
5
0.6
SSE
5
0.3
E
9
0.6
SSE
7
0.4
SW
11
0.7
SSW
12
0.9
SSW
12
1.2
SSW
12
Wave Graph
Metric surfscale
Energy kJ
24
35
27
24
23
23
21
23
22
21
23
21
15
37
31
133
230
412
Wind (km/h)
5
W
5
NE
5
NNE
0
NNW
0
W
5
N
5
NNW
0
NNW
5
E
0
NW
5
N
5
N
5
NNW
5
NNW
5
NW
5
N
5
NNE
5
NNW
Wind State
glassy
cross-off
off
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
off
High Tide
5:48PM1.84m
6:00AM1.90m
6:11PM1.87m
6:38AM1.91m
6:36PM1.88m
Low Tide
11:51PM0.37m
12:07PM0.36m
00:22AM0.25m
12:37PM0.45m
mod rain
mod rain
cloud
cloud
light rain
heavy rain
heavy rain
mod rain
light rain
cloud
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
5:56
—
—
—
—
—
—
—
5:56
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
—
—
5:55
—
—
—
—
—
—
—
5:54
—
—
 mm
7
7
—
—
4
13
13
6
3
—
1
1
2
1
—
—
—
1
Temp °C
24
23
23
23
22
22
22
23
22
23
23
23
23
24
25
25
23
22
Feels °C
28
26
26
27
26
26
26
28
26
28
27
27
27
28
29
29
26
24
  • 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