Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 am 02 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.6°C
2.1° 

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 (02 Sep):

  • Morning surf: Morning surf (02 Sep, local time) - 4ft (1.2m), 9s period with SSE swell.
  • Afternoon surf: Afternoon surf (02 Sep, local time) - 4ft (1.2m), 9s period with SSE swell.
  • Evening surf: Evening surf (02 Sep, local time) - 4ft (1.2m), 9s period with SSE swell.

The current surf forecast for Niyodo Rivermouth at 8AM is: 1.2m 9s primary swell from a South-southeast direction and 0.7m 11s secondary swell from a East direction, 0.3m 6s secondary swell from a East direction (forecast issued at 02:00am September 02). The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (02 Sep)4ft (1.2m)9s
Afternoon (02 Sep)4ft (1.2m)9s
Evening (02 Sep)4ft (1.2m)9s

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


Short Range Forecast

Heavy rain (total 155mm), heaviest during Thu night. Warm (max 30°C on Wed morning, min 22°C on Thu afternoon). Wind will be generally light.

Wednesday
2
Thursday
3
Friday
4
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)
2
2
2
2
1
0
1
1
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
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)
1.1
S
8
1.1
S
8
1.1
SSE
8
1.2
SSE
9
1.2
SSE
9
1.2
SSE
9
1.1
SSE
9
1.2
SSE
9
1
SSE
8
1
SSE
8
0.9
SSE
8
0.9
SSE
8
1.2
SSE
10
1.4
SSE
10
1.5
SSE
10
1.6
SSE
10
1.7
SSE
10
1.7
SSE
10
1.7
SSE
10
1.6
SSE
9
1.6
SSE
9
1.9
ESE
9
1.8
ESE
8
2.2
ESE
8
Wave Graph
Metric surfscale
Energy kJ
157
161
180
243
248
243
202
208
151
147
122
125
294
370
424
544
610
586
551
451
442
528
424
635
Wind (km/h)
5
NE
5
NNE
5
NNE
0
S
10
S
10
SSE
5
SSE
5
SE
5
NNE
5
NNE
5
NE
5
NNE
5
N
10
N
10
NNE
10
NNE
5
NNE
5
NNE
5
NNW
5
ESE
10
NNE
5
NE
5
NNE
5
NNE
Wind State
cross-off
cross-off
off
glassy
on
on
cross-on
cross-on
glassy
glassy
glassy
cross-off
glassy
off
off
cross-off
glassy
glassy
glassy
glassy
cross-off
glassy
glassy
cross-off
High Tide
8:53AM1.62m
8:36PM1.75m
9:49AM1.48m
9:09PM1.67m
11:15AM1.35m
Low Tide
2:34AM0.36m
2:35PM0.72m
3:19AM0.39m
3:09PM0.91m
4:17AM0.45m
3:53PM1.10m
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
thunderstorm
thunderstorm
light rain
light rain
light rain
heavy rain
heavy rain
heavy rain
light rain
light rain
light rain
heavy rain
heavy rain
mod rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:29
6:28
 mm
1
3
4
2
4
18
34
40
3
2
2
13
15
7
4
1
Temp °C
26
25
25
28
30
29
28
27
26
26
25
25
24
23
22
23
24
24
24
23
23
23
23
23
Feels °C
31
28
28
32
33
32
32
32
31
31
29
29
28
26
24
26
28
28
28
27
26
27
27
26
  • 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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