Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 pm 27 Sep 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
27.1°C
1.4° 

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 (28 Sep):

  • Morning surf: Morning surf (28 Sep, local time) - 2.5ft (0.7m), 7s period with SSE swell.
  • Afternoon surf: Afternoon surf (28 Sep, local time) - 3.5ft (1.0m), 14s period with SSW swell.
  • Evening surf: Evening surf (28 Sep, local time) - 5.5ft (1.7m), 13s period with SSW swell.

The current surf forecast for Niyodo Rivermouth at 1AM is: 0.3m 10s primary swell from a East direction and 0.5m 5s secondary swell from a South direction, 0.3m 7s secondary swell from a South-southeast direction (forecast issued at 08:00pm September 27). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (28 Sep)2.5ft (0.7m)7s
Afternoon (28 Sep)3.5ft (1.0m)14s
Evening (28 Sep)5.5ft (1.7m)13s

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


Short Range Forecast

Heavy rain (total 37mm), heaviest during Mon night. Warm (max 26°C on Mon morning, min 20°C on Tue afternoon). Wind will be generally light.

Sun
27
Monday
28
Tuesday
29
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)
0
1
0
0
0
1
0
3
3
4
4
4
4
4
3
3
3
3
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
SSE
6
0.7
S
6
0.3
E
10
0.3
E
9
0.4
SSE
7
0.7
SSE
7
0.8
SSE
6
1
SSW
14
1.4
SSW
13
1.7
SSW
13
1.9
SSW
13
2
SSW
12
2.2
SSW
12
2
SSW
12
1.8
SSW
11
1.6
S
11
1.6
S
11
1.7
S
11
Wave Graph
Metric surfscale
Energy kJ
25
30
16
16
16
45
58
402
669
1042
1175
1178
1360
1121
866
617
595
661
Wind (km/h)
5
NNW
5
NNE
5
N
5
NE
0
NNW
0
W
5
SSW
5
SW
0
ESE
5
E
5
NE
5
NE
10
N
10
NNW
10
N
10
N
5
N
5
N
Wind State
glassy
glassy
glassy
glassy
glassy
glassy
on
glassy
glassy
glassy
glassy
glassy
off
off
off
off
off
off
High Tide
6:11PM1.87m
6:38AM1.91m
6:36PM1.88m
7:18AM1.87m
7:02PM1.87m
Low Tide
00:22AM0.25m
12:37PM0.45m
00:55AM0.18m
1:09PM0.57m
mod rain
light rain
cloud
cloud
light rain
rain showers
thunderstorm
part cloud
thunderstorm
thunderstorm
light rain
light rain
light rain
light rain
light rain
light rain
light rain
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>
—
—
—
—
—
—
—
5:54
—
—
—
—
—
—
—
5:52
—
—
 mm
6
4
—
—
2
2
1
—
1
1
3
3
5
5
4
3
2
1
Temp °C
23
23
23
23
23
24
26
26
25
25
24
24
23
21
21
21
20
20
Feels °C
27
26
27
26
27
29
30
31
30
30
28
28
26
22
22
23
22
21
  • 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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