Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 am 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.2°C
2.0° 

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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 8ft (2.4m), 9s period with SSE swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 5ft (1.6m), 8s period with SSE swell.
  • Evening surf: Evening surf (09 Sep, local time) - 4.5ft (1.4m), 8s period with SE swell.

The current surf forecast for Niyodo Rivermouth at 11AM is: 2.1m 9s primary swell from a South-southeast direction and 0.1m 18s secondary swell from a East direction (forecast issued at 08:00am September 09). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Sep)8ft (2.4m)9s
Afternoon (09 Sep)5ft (1.6m)8s
Evening (09 Sep)4.5ft (1.4m)8s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Wed morning. Warm (max 27°C on Wed morning, min 22°C on Wed night). Wind will be generally light.

Wednesday
9
Thursday
10
Friday
11
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
2
2
2
1
1
1
1
1
1
1
1
1
1
2
1
0
1
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)
3.5
SSE
9
2.4
SSE
9
1.8
SSE
8
1.6
SSE
8
1.5
SSE
8
1.4
SE
8
1.2
SE
8
1.1
SE
8
1
SSE
8
1
SSE
8
0.9
SSE
8
0.9
SSE
8
1
SE
8
1.1
SE
8
1
SE
7
1
SE
7
0.8
SSE
8
0.8
SSE
9
1
SSE
8
1
SSE
8
1
SSE
8
0.9
SSE
7
Wave Graph
Metric surfscale
Energy kJ
1942
898
468
360
322
256
206
162
140
133
106
103
113
141
105
105
72
99
110
110
107
97
Wind (km/h)
10
N
15
WNW
20
NNW
20
N
15
N
15
N
10
N
10
N
10
N
5
N
5
WSW
5
WSW
5
SE
0
WNW
0
NNW
5
N
5
N
5
S
10
S
5
S
5
S
5
NNW
Wind State
off
cross-off
off
off
off
off
off
off
off
off
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
High Tide
4:03AM1.71m
5:26PM1.79m
4:52AM1.83m
5:53PM1.84m
5:36AM1.91m
6:18PM1.86m
Low Tide
10:46AM0.15m
11:08PM0.74m
11:25AM0.13m
11:42PM0.58m
12:00PM0.17m
mod rain
mod rain
light rain
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
cloud
part cloud
part cloud
clear
clear
thunderstorm
thunderstorm
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:45
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:19
6:17
 mm
9
8
1
1
1
1
1
Temp °C
26
26
27
25
25
23
23
22
22
23
24
25
24
23
23
23
24
26
27
27
26
25
Feels °C
30
30
28
25
25
23
24
22
23
24
26
28
27
27
27
26
27
30
30
31
31
29
  • 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 

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