Hanamizu River Surf Break

Hanamizu River Surf Forecast and Surf Report

Lat Long: 35.29° N 139.26° E

Issued: 8 am 25 Jun 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
23.0° C

Normal for this time of year

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


Hanamizu River surf forecast from 25 Jun 2026:

  • Best quality surf: Sunday 28 Jun, 6AM (local time) - 8ft (2.4m), 12s period, SSW swell with glassy winds.
  • Most powerful swell: Sunday 28 Jun, 6AM (local time) - 8ft (2.4m), 12s period, SSW swell with 1,590 kJ wave energy.
  • Next surfable swell (1★+): Thursday 25 Jun, 6PM (local time) - 1.5ft (0.4m), 13s period with SW swell.

Best Forecast Surf Conditions for Hanamizu River this week:

The surf forecast for Hanamizu River over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Jun 25) at 6PM. The primary swell is predicted to be 0.7m and 7s period with a secondary swell of 0.4m and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Hanamizu River in the next 16 days are 2.4m 12s and forecast to arrive on Sunday (Jun 28) at 6AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Jun 28) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Thu 25th Jun)1.5ft (0.4m) 13s
Best Surf 6AM (Sun 28th Jun)8ft (2.4m) 12s
Most Powerful 6AM (Sun 28th Jun)8ft (2.4m) 12s

Table - best surf conditions forecast for Hanamizu River over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 108mm), heaviest during Sat night. Warm (max 26°C on Fri afternoon, min 19°C on Thu morning). Winds decreasing (fresh winds from the WSW on Fri night, calm by Sat afternoon).

Days 4-6 Weather Summary

Light rain (total 3mm), mostly falling on Sun afternoon. Warm (max 24°C on Sun morning, min 20°C on Mon night). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
1
0
0
0
0
1
1
1
0
0
0
1
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
SW
16
0.4
SW
14
0.5
SW
13
0.4
SW
13
1.5
SSW
6
0.8
SSW
6
0.3
SW
13
0.9
S
8
1.4
SSW
12
2.1
S
12
1.5
S
10
0.8
SSW
9
0.5
SSW
9
0.5
S
7
0.5
S
7
0.4
SW
8
0.4
SE
9
0.4
SE
9
0.4
SSW
7
0.3
SE
9
0.3
SE
9
Wave Graph
Metric surfscale
Energy kJ
38
50
80
56
151
51
27
99
579
1208
461
96
43
28
26
15
21
21
15
13
12
Wind (km/h)
20
NNE
20
N
0
N
15
SSW
15
SW
30
WSW
10
SSE
0
E
20
N
15
S
15
SE
15
NNE
10
ENE
5
SE
5
E
10
NE
5
ENE
15
N
10
NNE
10
SW
10
NNE
Wind State
cross-off
cross-off
glassy
cross
cross
cross-off
cross-on
glassy
cross-off
cross-on
on
cross-off
cross
glassy
cross-on
cross
cross-on
cross-off
cross-off
cross
cross-off
High Tide
3:02PM1.13m
00:43AM1.33m
3:57PM1.21m
1:30AM1.35m
4:37PM1.27m
2:16AM1.37m
5:12PM1.32m
3:00AM1.40m
5:44PM1.35m
3:42AM1.43m
6:15PM1.36m
4:22AM1.45m
6:44PM1.37m
Low Tide
7:01PM1.02m
8:26AM0.35m
8:12PM1.05m
9:09AM0.27m
9:09PM1.05m
9:48AM0.21m
9:54PM1.04m
10:26AM0.16m
10:32PM1.01m
11:02AM0.13m
11:07PM0.99m
11:37AM0.12m
11:43PM0.95m
heavy rain
mod rain
heavy rain
part cloud
light rain
heavy rain
heavy rain
cloud
rain showers
cloud
light rain
light rain
cloud
light rain
cloud
part cloud
cloud
part cloud
cloud
cloud
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:28
4:28
4:28
4:30
4:30
4:31
4:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:00
7:00
7:00
7:00
7:00
7:00
 mm
18
8
15
3
14
20
30
1
1
1
7
Temp °C
19
20
20
25
26
23
21
23
23
24
23
21
22
21
21
22
23
22
23
23
21
Feels °C
18
19
21
27
27
26
23
26
25
25
24
23
24
24
23
23
25
23
24
25
24
Swell 1
Height (m)
Direction
Period (s)
0.3
SW
16
0.4
SW
14
0.5
SSE
7
0.4
SW
13
0.1
SE
11
0.3
SW
11
0.5
S
6
0.9
S
8
1.4
SSW
12
2.1
S
12
1.5
S
10
0.8
SSW
9
0.5
SSE
8
0.4
SSW
8
0.5
S
7
0.4
SW
8
0.4
SE
9
0.4
SE
9
0.4
SSW
7
0.3
SSE
6
0.3
SSE
5
Energy kJ
38
50
26
56
4
20
19
99
579
1208
461
96
34
28
23
15
21
21
15
6
5
Swell 2
Height (m)
Direction
Period (s)
0.3
SSW
9
0.3
S
5
0.5
S
7
0.1
SE
10
0.2
SSW
14
0.3
SW
13
0.3
SW
12
0.1
E
16
0.1
E
15
0.7
SSE
8
0.5
SSW
9
0.5
S
7
0.4
SSW
8
0.4
SE
7
0.3
SSW
8
0.2
SSW
7
0.3
SE
9
0.3
SE
9
0.3
SE
9
Energy kJ
16
4
25
4
18
27
25
5
4
68
43
26
26
11
11
5
13
13
12
Swell 3
Height (m)
Direction
Period (s)
0.3
SE
10
0.2
SSW
9
0.5
SW
13
0.1
SE
18
0.1
SE
10
0.2
SSE
10
0.1
S
13
0.1
SE
16
0.1
E
15
0.1
E
15
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.1
E
13
0.1
E
13
0.1
E
13
0.2
SSW
7
0.1
SW
6
Energy kJ
16
7
80
12
4
9
3
10
4
4
13
13
13
4
4
3
5
2
Wind waves
Height (m)
Direction
Period (s)
0.3
NE
2
0.4
NE
3
0.9
SSW
4
1.5
SSW
6
0.8
SSW
6
0.5
NNE
3
1.1
SE
8
0.3
N
2
0.3
NNE
3
0.4
NNE
3
0.3
NNE
3
0.3
NE
3
Energy kJ
1
3
24
151
51
5
162
1
1
3
2
1
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
3
2
1
1
3
4
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
19
19
0
444
203
112
104
0
19
19
62
3
10
0
59
461
465
76
76
41
76
Best forecast wave conditions in Kanagawa
Rating
(10 max)
1
1
1
2
3
4
2
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
3
3
5
3
2
3
3
4
5
4
3
2
2
2
2
1
2
2
2
1
Header Global
Rating
(10 max)
5
5
5
6
7
5
6
6
5
6
6
5
6
5
9
7
5
5
7
5
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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Information about the Hanamizu River Surf forecast

The above surf forecast table for Hanamizu River provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hanamizu River can be found by selecting the local surf guide option on the grey menu. Our Hanamizu River surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Hanamizu River) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Hanamizu River may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Hanamizu River is 1 km (1 miles) from Ninomiya. If you plan a holiday in Kanagawa, look for hotels and other accommodation in Ninomiya. Ninomiya has rooms for a wide range of budgets as well as car hire and transport links.

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