Niyodo Rivermouth Surf Break

Niyodo Rivermouth 48 hour detailed Surf Forecast

Lat Long: 33.54° N 133.69° E

Issued: 8 am 07 Jul 2026 (local time)

Forecast update in  hr  min

Today's Niyodo Rivermouth sea temperature is
24.4° C

1.3°C colder than average for this time of year

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 (07 Jul):

  • Morning surf: Morning surf (07 Jul, local time) - 3.5ft (1.1m), 13s period with SE swell.
  • Afternoon surf: Afternoon surf (07 Jul, local time) - 3.5ft (1.1m), 16s period with SE swell.
  • Evening surf: Evening surf (07 Jul, local time) - 5ft (1.5m), 15s period with SE swell.

The current surf forecast for Niyodo Rivermouth at 3PM is: 1.1m 16s primary swell from a Southeast direction and 1.3m 8s secondary swell from a East-southeast direction (forecast issued at 08:00am July 07). The wind direction is predicted to be glassy and the swell rating is 4.

Time (JST) & DateWave HeightWave Period
Morning (07 Jul)3.5ft (1.1m)13s
Afternoon (07 Jul)3.5ft (1.1m)16s
Evening (07 Jul)5ft (1.5m)15s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Tue morning. Warm (max 27°C on Thu morning, min 23°C on Tue night). Wind will be generally light.

Tuesday
7
Wednesday
8
Thursday
9
Fri
10
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
12 AM
3 AM
Rating
(10 max)
3
2
2
4
4
4
4
4
5
4
4
5
4
!
5
5
!
!
!
!
!
!
!
!
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)
1.3
ESE
13
1.1
SE
13
1.1
SE
16
1.1
SE
16
1.5
SE
15
1.5
SE
15
1.8
SE
16
2
SE
16
2.4
SE
16
2.5
SE
16
2.3
SE
16
2.5
SE
16
2.5
SE
16
3
SE
16
2.5
SE
15
2.5
SE
15
3
SSE
15
3
SSE
15
3
SSE
15
3
SSE
16
3
SSE
16
3
SSE
16
3
SSE
15
3.5
SSE
15
Wave Graph
Metric surfscale
Energy kJ
563
424
546
553
1028
936
1815
1978
2865
2963
2601
3680
2925
3784
3116
3093
3601
3670
4315
4590
4772
4681
4766
5223
Wind (km/h)
0
E
5
SSE
5
SSE
5
SSE
0
E
0
ENE
0
NNE
5
N
5
N
5
S
10
SSE
10
SSE
5
SSE
5
E
5
NNE
5
NNE
5
NNE
5
SSW
10
SSE
10
SSE
5
SE
5
ENE
5
NNE
5
NE
Wind State
glassy
cross-on
cross-on
glassy
glassy
glassy
glassy
off
glassy
on
on
cross-on
cross-on
glassy
off
cross-off
cross-off
glassy
on
cross-on
cross-on
glassy
off
cross-off
High Tide
10:22AM1.43m
10:58PM1.62m
11:42AM1.36m
11:45PM1.60m
1:23PM1.36m
00:42AM1.59m
Low Tide
4:32AM0.75m
4:25PM0.67m
5:34AM0.68m
5:20PM0.83m
6:45AM0.58m
6:35PM0.98m
part cloud
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:01
5:01
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:17
7:17
7:17
7:17
 mm
1
Temp °C
24
24
24
24
24
24
23
23
23
25
26
26
25
25
23
23
23
26
27
27
26
25
24
24
Feels °C
29
28
27
28
28
29
27
26
26
28
29
29
29
29
26
26
26
29
30
30
30
30
28
27
Swell 1
Height (m)
Direction
Period (s)
1.3
ESE
13
1.1
SE
13
1.1
SE
16
1.3
ESE
8
1.5
SE
15
1.5
SE
15
1.8
SE
16
2
SE
16
2.4
SE
16
2.5
SE
16
2.3
SE
16
2.5
SE
16
2.5
SE
16
3
SE
16
2.5
SE
15
2.5
SE
15
3
SSE
15
3
SSE
15
3
SSE
15
3
SSE
16
3
SSE
16
3
SSE
16
3
SSE
15
3.5
SSE
15
Energy kJ
563
424
546
223
1028
936
1815
1978
2865
2963
2601
3680
2925
3784
3116
3093
3601
3670
4315
4590
4772
4681
4766
5223
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
6
0.6
SE
17
0.9
SE
12
1.1
SE
16
1.3
E
8
1.2
E
8
1.1
E
8
1
E
7
0.8
SSE
20
1.3
SSE
18
1.4
SSE
18
1.2
SSE
18
1
SSE
18
1
S
19
1.7
SSE
17
0.9
S
20
0.7
E
8
0.8
ESE
8
0.6
E
8
0.6
E
8
0.6
E
8
0.4
E
8
Energy kJ
29
238
202
553
217
181
142
109
505
1042
1274
907
731
736
1518
650
63
87
47
49
50
22
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
20
0.5
SSW
6
0.4
SSW
6
1
SE
12
0.4
SE
20
0.9
SE
18
0.4
E
8
Energy kJ
60
20
13
282
100
465
22
Wind waves
Height (m)
Direction
Period (s)
0.8
E
4
0.9
ESE
7
1.3
ESE
7
1.2
E
7
1.1
E
7
1
ESE
7
1.1
E
7
0.7
E
8
Energy kJ
19
82
191
147
116
93
110
66
Nearest Offshore or Glassy
Rating
(10 max)
3
3
4
4
4
4
4
4
5
5
3
5
5
4
5
5
3
4
4
5
4
4
4
4
Distance (km)
0
29
58
0
0
0
0
0
0
29
539
29
29
9
0
0
9
9
539
82
9
9
9
9
Best forecast wave conditions in Shikoku
Rating
(10 max)
3
3
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
6
Best forecast wave conditions in Japan
Rating
(10 max)
3
3
4
4
4
4
4
4
5
5
4
5
5
5
5
5
8
5
4
5
5
5
5
7
Header Global
Rating
(10 max)
8
8
7
6
5
5
7
7
9
9
9
8
7
7
8
9
9
8
7
6
6
6
6
6
  • 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
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