Niyodo Rivermouth Surf Break

Lat Long: 33.54° N 133.69° E

Niyodo Rivermouth 48 hour detailed Surf Forecast

Issued: 8 am 19 Oct 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
26.0°C
1.9° 

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 (19 Oct):

  • Morning surf: Morning surf (19 Oct, local time) - 5ft (1.6m), 7s period with SE swell.
  • Afternoon surf: Afternoon surf (19 Oct, local time) - 5ft (1.6m), 7s period with SE swell.
  • Evening surf: Evening surf (19 Oct, local time) - 4.5ft (1.3m), 8s period with ESE swell.

The current surf forecast for Niyodo Rivermouth at 4PM is: 1.6m 7s primary swell from a Southeast direction and 0.1m 18s secondary swell from a Southeast direction (forecast issued at 08:00am October 19). The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (19 Oct)5ft (1.6m)7s
Afternoon (19 Oct)5ft (1.6m)7s
Evening (19 Oct)4.5ft (1.3m)8s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Mon morning. Warm (max 27°C on Wed afternoon, min 16°C on Wed night). Wind will be generally light.

Monday
19
Tuesday
20
Wednesday
21
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
2
2
2
2
3
3
2
3
4
4
3
4
4
4
2
3
5
5
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)
1.5
SE
8
1.6
SE
7
1.6
SE
7
1.6
SE
7
1.6
SE
7
1.3
ESE
8
1.3
ESE
8
1.3
ESE
9
1.4
SE
9
1.3
SE
9
1.3
SE
9
1.6
SE
13
1.8
SE
14
1.8
SE
13
1.8
SE
13
1.9
SE
14
1.9
SSE
14
1.8
SE
13
1.6
SSE
17
2.5
SSE
16
2.5
SSE
16
2.5
SSE
15
Wave Graph
Metric surfscale
Energy kJ
248
262
255
233
239
187
212
238
318
287
246
865
1363
1092
1083
1470
1408
1067
1334
3157
3288
3221
Wind (km/h)
5
E
5
SSW
0
SSW
0
E
5
E
5
ENE
5
NE
0
ENE
5
N
0
N
5
S
5
SSE
0
S
0
W
5
SW
5
WSW
0
NNE
5
WSW
10
S
10
SSW
10
NW
15
NNW
Wind State
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
glassy
on
on
glassy
glassy
cross-on
glassy
glassy
glassy
on
cross-on
cross-off
off
High Tide
2:10PM1.33m
11:26PM1.27m
2:53PM1.42m
1:44AM1.32m
3:20PM1.52m
Low Tide
5:36AM0.70m
7:22PM1.21m
7:20AM0.70m
8:43PM1.07m
8:28AM0.64m
cloud
light rain
light rain
thunderstorm
rain showers
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
rain showers
rain showers
rain showers
rain showers
clear
clear
part cloud
thunderstorm
rain showers
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
—
—
—
—
—
—
—
6:13
—
—
—
—
—
—
—
6:13
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
5:28
—
—
—
—
—
—
—
5:25
—
—
—
—
—
—
—
5:24
—
—
 mm
—
2
5
2
1
—
—
—
—
—
—
1
1
1
1
1
—
—
—
1
1
—
Temp °C
22
21
22
23
22
22
23
22
22
23
25
25
24
23
23
23
23
24
25
27
24
19
Feels °C
24
24
26
27
26
26
27
26
26
27
28
28
28
27
26
27
27
27
27
29
26
18
  • 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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