Hanamizu River Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River 48 hour detailed Surf Forecast

Issued: 2 am 20 Jul 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
25.9° C
0.1° 

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 (20 Jul):

  • Morning surf: Morning surf (20 Jul, local time) - 0.5ft (0.2m), 9s period with SSE swell.
  • Afternoon surf: Afternoon surf (20 Jul, local time) - 0.5ft (0.2m), 8s period with SSE swell.
  • Evening surf: Evening surf (20 Jul, local time) - 1.5ft (0.5m), 4s period with SSW swell.

The current surf forecast for Hanamizu River at 7AM is: 0.2m 9s primary swell from a South-southeast direction and 0.2m 3s secondary swell from a South-southwest direction, 0.3m 3s secondary swell from a Southwest direction (forecast issued at 02:00am July 20). The wind direction is predicted to be glassy.

Time (JST) & DateWave HeightWave Period
Morning (20 Jul)0.5ft (0.2m)9s
Afternoon (20 Jul)0.5ft (0.2m)8s
Evening (20 Jul)1.5ft (0.5m)4s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Wed afternoon. Warm (max 31°C on Tue morning, min 27°C on Wed night). Wind will be generally light.

Monday
20
Tuesday
21
Wednesday
22
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)
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
S
4
0.2
SSE
8
0.2
SSE
9
0.2
SSE
9
0.2
SSE
9
0.2
SSE
8
0.5
S
4
0.5
SSW
4
0.5
SSW
4
0.7
SW
4
0.6
SW
4
0.2
SSE
8
0.2
SSE
8
0.2
ESE
11
0.5
S
4
0.2
E
11
0.5
SSW
4
0.7
SW
4
0.5
SW
4
0.3
SSW
4
0.3
SSW
4
0.4
SSW
3
0.4
SSW
3
0.4
SSW
4
Wave Graph
Metric surfscale
Energy kJ
5
6
8
7
7
7
7
8
9
15
9
6
6
12
7
9
10
17
9
4
3
5
5
5
Wind (km/h)
10
W
5
W
5
WNW
5
SE
15
SSE
15
S
10
SSW
10
W
10
W
10
WNW
5
WNW
5
SSE
15
SSE
10
S
10
SSW
10
W
10
WNW
10
WNW
5
NW
10
SE
15
SSE
15
S
10
SSW
10
W
Wind State
cross-off
cross-off
off
on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
off
on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
off
on
cross-on
cross-on
cross-on
cross-off
High Tide
8:21AM1.23m
8:47PM1.39m
9:26AM1.10m
9:12PM1.37m
10:59AM1.01m
Low Tide
2:33AM0.63m
2:19PM0.59m
3:26AM0.59m
2:44PM0.76m
4:27AM0.55m
3:05PM0.90m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:41
4:41
4:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:54
6:54
6:53
 mm
1
1
Temp °C
27
27
27
29
29
30
30
29
28
28
28
31
30
30
30
29
28
28
28
30
30
29
29
28
Feels °C
31
31
31
33
32
34
35
33
32
32
32
36
33
34
35
33
32
32
33
35
34
33
34
32
  • 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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