Hanamizu River Surf Break

Hanamizu River Surf Forecast and Surf Report

Lat Long: 35.29° N 139.26° E

Issued: 8 pm 25 Jun 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
22.9° C

Slightly cooler than normal

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) - 5ft (1.6m), 11s period, S swell with cross-offshore winds.
  • Most powerful swell: Saturday 27 Jun, 9PM (local time) - 6ft (1.8m), 13s period, S swell with 1,121 kJ wave energy.
  • Next surfable swell (1★+): Friday 26 Jun, 3AM (local time) - 1.5ft (0.5m), 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 Friday (Jun 26) at 3AM. The primary swell is predicted to be 0.5m and 13s period with a secondary swell of 0.6m and 7s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Hanamizu River in the next 16 days are 1.8m 13s and forecast to arrive on Saturday (Jun 27) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Saturday (Jun 27) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Fri 26th Jun)1.5ft (0.5m) 13s
Best Surf 6AM (Sun 28th Jun)5ft (1.6m) 11s
Most Powerful 9PM (Sat 27th Jun)6ft (1.8m) 13s

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 134mm), heaviest during Sat morning. Warm (max 27°C on Fri morning, min 19°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the N by Sat morning).

Days 5-7 Weather Summary

Mostly dry. Warm (max 26°C on Wed afternoon, min 21°C on Sun night). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thu
2
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Rating
(10 max)
1
0
0
0
0
2
2
2
1
1
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)
0.5
SW
13
0.4
SW
13
1.7
SSW
6
0.8
SSW
6
0.3
SW
13
2.3
S
10
1.6
S
12
2.1
S
11
1.5
S
11
0.8
SSW
9
0.5
SSW
9
0.5
S
7
0.4
SSE
9
0.4
SSE
9
0.4
SE
9
0.4
SE
9
0.3
SE
9
0.3
SE
9
0.7
S
7
0.6
S
7
0.6
S
6
Wave Graph
Metric surfscale
Energy kJ
80
56
205
56
27
1024
748
1068
533
98
43
28
31
32
21
21
13
13
48
33
25
Wind (km/h)
0
WNW
20
SW
25
SW
25
W
15
NNE
10
SSE
20
NNE
10
NE
10
S
5
NE
10
NE
10
SSE
5
NE
15
NE
10
SE
10
ENE
15
NNE
10
ENE
10
N
20
NE
5
SE
Wind State
glassy
cross
cross
cross-off
cross-off
on
cross-off
cross
cross-on
glassy
cross
cross-on
cross
cross
on
cross
cross-off
cross-on
cross-off
cross
on
High Tide
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
5:00AM1.45m
Low Tide
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
12:11PM0.13m
heavy rain
part cloud
thunderstorm
heavy rain
heavy rain
rain showers
rain showers
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
rain showers
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:28
4:28
4:30
4:30
4:31
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
7:00
 mm
22
1
26
71
4
10
1
Temp °C
21
27
27
23
21
25
23
23
22
21
24
23
22
24
24
22
25
26
23
26
26
Feels °C
23
27
27
22
23
27
24
25
24
24
26
25
26
25
25
24
25
27
26
27
28
Swell 1
Height (m)
Direction
Period (s)
0.7
S
7
0.4
SW
13
0.1
SE
11
0.3
SW
11
0.5
S
6
2.3
S
10
1.6
S
12
2.1
S
11
1.5
S
11
0.8
SSW
9
0.5
SSE
8
0.5
S
7
0.4
SSE
9
0.4
SSE
9
0.4
SE
9
0.4
SE
9
0.3
SE
9
0.3
SE
9
0.7
S
7
0.6
S
7
0.1
SE
8
Energy kJ
44
56
4
20
17
1024
748
1068
533
98
33
27
31
32
21
21
13
13
48
33
3
Swell 2
Height (m)
Direction
Period (s)
0.5
SW
13
0.1
SE
10
0.2
SSW
14
0.3
SW
13
0.5
N
4
0.1
E
16
0.1
E
15
0.6
SSE
8
0.5
SSW
9
0.4
SSW
8
0.4
SW
8
0.3
SSW
8
0.3
SSW
7
0.2
SSW
7
0.2
SSE
5
0.2
SSW
6
0.1
S
10
0.1
SE
9
0.1
E
12
Energy kJ
80
4
18
27
8
5
4
51
43
28
17
12
11
5
2
4
2
3
3
Swell 3
Height (m)
Direction
Period (s)
0.2
SSW
9
0.1
SE
18
0.1
SE
10
0.2
SSW
6
0.1
E
16
0.1
SE
16
0.1
E
16
0.1
SE
15
0.1
E
15
0.1
E
15
0.2
SSE
9
0.1
E
14
0.1
E
14
0.1
E
13
0.1
E
13
0.1
SW
6
0.2
SSE
5
0.1
E
13
0.1
E
12
0.1
SE
9
Energy kJ
8
12
4
4
5
10
5
9
4
4
8
4
4
4
4
1
2
3
3
3
Wind waves
Height (m)
Direction
Period (s)
1.1
SSW
4
1.7
SSW
6
0.8
SSW
6
0.1
E
8
0.7
NW
4
0.4
NNE
4
0.6
S
6
Energy kJ
49
205
56
1
20
5
25
Nearest Offshore or Glassy
Rating
(10 max)
1
3
3
1
1
3
3
3
3
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
444
203
13
104
10
19
10
59
0
10
59
20
41
62
69
12
69
12
59
62
Best forecast wave conditions in Kanagawa
Rating
(10 max)
1
1
4
3
4
1
1
1
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
3
3
4
3
4
5
4
4
3
2
1
2
2
1
1
2
2
2
1
1
Header Global
Rating
(10 max)
5
5
6
8
5
6
5
8
7
5
8
5
5
5
5
6
5
5
5
4
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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