Hanamizu River Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River 48 hour detailed Surf Forecast

Issued: 8 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
27.5° C
0.4° 

Hanamizu River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Hanamizu River today (16 Aug):

  • Morning surf: Morning surf (16 Aug, local time) - 1.5ft (0.4m), 9s period with SSW swell.
  • Afternoon surf: Afternoon surf (16 Aug, local time) - 1.5ft (0.5m), 9s period with S swell.
  • Evening surf: Evening surf (16 Aug, local time) - 1.5ft (0.5m), 9s period with S swell.

The current surf forecast for Hanamizu River at 5PM is: 0.5m 9s primary swell from a South direction and 0.2m 11s secondary swell from a South-southeast direction (forecast issued at 08:00am August 16). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (16 Aug)1.5ft (0.4m)9s
Afternoon (16 Aug)1.5ft (0.5m)9s
Evening (16 Aug)1.5ft (0.5m)9s

Table - waves today at Hanamizu River. (Swell directed towards the surf break)


Short Range Forecast

Light rain (total 5mm), mostly falling on Sun afternoon. Warm (max 28°C on Sun morning, min 24°C on Sun night). Wind will be generally light.

Sunday
16
Monday
17
Tuesday
18
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.4
SSW
9
0.4
SSW
9
0.4
SSW
9
0.5
S
9
0.7
ESE
9
0.5
S
9
0.5
S
9
0.5
S
9
0.4
S
9
0.4
S
9
0.6
ESE
8
0.6
ESE
8
0.6
ESE
8
0.4
S
8
0.3
SSW
8
0.2
SSW
8
0.2
SSW
8
0.2
ESE
10
0.3
SE
7
0.3
SE
7
0.3
SE
7
0.4
SE
7
Wave Graph
Metric surfscale
Energy kJ
28
28
27
39
70
37
37
37
24
23
47
48
47
21
13
7
6
10
9
8
8
13
Wind (km/h)
15
N
15
NNE
10
E
10
ESE
10
ESE
10
E
5
NE
10
N
10
N
10
NE
10
ESE
10
SSE
10
S
5
SE
0
N
10
N
10
N
10
ENE
10
SE
10
SSE
10
S
5
S
Wind State
cross-off
cross-off
cross-on
on
on
cross-on
cross
cross-off
cross-off
cross
on
cross-on
cross-on
on
glassy
cross-off
cross-off
cross-on
on
cross-on
cross-on
cross-on
High Tide
6:30AM1.47m
6:58PM1.47m
7:14AM1.36m
7:18PM1.46m
8:00AM1.24m
7:37PM1.44m
Low Tide
12:43PM0.39m
1:10AM0.46m
1:08PM0.55m
1:49AM0.43m
1:29PM0.70m
part cloud
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
clear
part cloud
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:29
 mm
1
1
1
1
1
Temp °C
23
25
28
27
26
26
25
24
24
26
26
27
27
26
25
24
24
26
27
28
27
26
Feels °C
24
25
29
29
29
29
28
27
26
28
28
29
29
29
29
27
27
28
30
30
29
30
  • 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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