Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 2 am 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
29.8°C
2.3° 

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 (01 Sep):

  • Morning surf: Morning surf (01 Sep, local time) - 1.5ft (0.5m), 13s period with E swell.
  • Afternoon surf: Afternoon surf (01 Sep, local time) - 2ft (0.6m), 13s period with E swell.
  • Evening surf: Evening surf (01 Sep, local time) - 2.5ft (0.7m), 12s period with E swell.

The current surf forecast for Niyodo Rivermouth at 6AM is: 0.5m 14s primary swell from a East direction and 0.7m 8s secondary swell from a South direction (forecast issued at 02:00am September 01). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (01 Sep)1.5ft (0.5m)13s
Afternoon (01 Sep)2ft (0.6m)13s
Evening (01 Sep)2.5ft (0.7m)12s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Wed night. Warm (max 30°C on Wed morning, min 24°C on Thu afternoon). Wind will be generally light.

Tuesday
1
Wednesday
2
Thursday
3
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)
1
1
1
0
0
1
1
2
2
2
2
2
1
0
1
2
2
2
2
1
1
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)
0.7
S
9
0.4
ESE
14
0.5
E
14
0.5
E
13
0.6
E
13
0.6
E
13
0.7
E
12
0.7
E
12
1.1
S
8
1.1
S
8
1.1
SSE
8
1.2
SSE
9
1.3
SSE
9
1.3
SSE
9
1.2
SSE
9
1.1
SSE
9
1.1
SSE
8
1.2
SSE
8
1.2
SSE
8
1.1
SSE
8
1.2
SSE
8
1.6
SSE
10
1.8
SSE
10
2
SSE
10
Wave Graph
Metric surfscale
Energy kJ
73
71
96
92
126
121
148
144
157
161
176
232
254
286
243
197
184
194
190
171
179
530
653
787
Wind (km/h)
5
NE
5
NE
5
NE
5
SE
10
SSE
10
SSE
5
SE
5
NE
5
NE
10
NNE
5
NNE
0
NNW
10
SSW
10
SSE
10
SE
5
NE
5
NNE
5
NE
5
NNE
5
ESE
5
ESE
5
SE
5
N
5
N
Wind State
glassy
glassy
cross-off
cross-on
on
on
cross-on
glassy
cross-off
cross-off
off
glassy
on
on
cross-on
glassy
cross-off
glassy
off
cross
cross-on
glassy
glassy
glassy
High Tide
8:08AM1.74m
8:08PM1.81m
8:53AM1.62m
8:36PM1.75m
9:49AM1.48m
Low Tide
1:56AM0.37m
2:03PM0.55m
2:34AM0.36m
2:35PM0.72m
3:19AM0.39m
3:09PM0.91m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
light rain
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:37
5:39
5:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:29
 mm
1
2
1
1
5
2
1
2
2
Temp °C
26
25
25
28
29
29
28
26
25
25
25
28
30
30
28
27
26
25
25
25
25
25
24
24
Feels °C
31
30
29
31
31
32
32
30
29
28
28
31
32
33
32
32
30
29
29
29
28
29
29
28
  • 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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