Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 am 26 Aug 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.4°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 (26 Aug):

  • Morning surf: Morning surf (26 Aug, local time) - 6.5ft (2.0m), 12s period with S swell.
  • Afternoon surf: Afternoon surf (26 Aug, local time) - 6ft (1.8m), 12s period with S swell.
  • Evening surf: Evening surf (26 Aug, local time) - 5ft (1.6m), 11s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 5PM is: 1.7m 12s primary swell from a South-southwest direction and 1.1m 9s secondary swell from a Southeast direction (forecast issued at 08:00am August 26). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (26 Aug)6.5ft (2.0m)12s
Afternoon (26 Aug)6ft (1.8m)12s
Evening (26 Aug)5ft (1.6m)11s

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 30°C on Wed morning, min 26°C on Thu night). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
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)
4
4
2
2
4
3
3
3
3
1
1
1
1
2
2
2
2
2
0
1
2
2
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)
2.3
S
12
2
S
12
2.2
S
11
1.8
S
12
1.7
SSW
12
1.6
SSW
11
1.5
SSW
11
1.4
SSW
10
1.3
SSW
10
1.2
SSW
10
1.1
SSW
9
1.1
SSE
10
1.1
SSE
9
1
SSE
9
1
SSE
9
1.2
S
9
1
SSW
8
0.9
SSE
8
0.9
SSW
8
1
SSW
8
1.1
SSW
7
1.1
S
7
Wave Graph
Metric surfscale
Energy kJ
1480
1055
1170
879
805
582
496
404
331
275
197
226
197
161
158
230
137
116
116
107
114
131
Wind (km/h)
5
ENE
5
SSE
10
S
10
S
5
SSW
0
ESE
0
NE
0
SSW
0
NNE
5
SSW
10
SSW
10
S
5
SSW
0
SSW
0
S
0
SSW
0
NNE
5
SSE
10
S
10
SSW
5
S
5
SSW
Wind State
glassy
glassy
on
on
glassy
glassy
glassy
glassy
glassy
on
on
on
on
glassy
glassy
glassy
glassy
glassy
on
cross-on
glassy
glassy
High Tide
4:25AM1.63m
5:51PM1.69m
5:03AM1.74m
6:12PM1.76m
5:39AM1.81m
6:34PM1.80m
Low Tide
11:10AM0.25m
11:25PM0.84m
11:40AM0.20m
11:53PM0.72m
12:08PM0.18m
clear
clear
cloud
part cloud
clear
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:35
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:38
6:37
6:37
 mm
1
1
1
1
1
1
1
1
3
2
1
Temp °C
26
29
30
30
29
27
27
27
27
28
29
29
28
27
26
26
26
28
29
29
28
27
Feels °C
30
33
34
34
34
33
33
33
33
33
33
32
33
33
31
32
32
33
33
34
34
32
  • 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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