Hanamizu River Surf Break

Hanamizu River Surf Forecast and Surf Report

Lat Long: 35.29° N 139.26° E

Issued: 2 am 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
22.7° 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 20 Jun 2026:

  • Best quality surf: Saturday 27 Jun, 3AM (local time) - 7ft (2.1m), 8s period, SW swell with offshore winds.
  • Most powerful swell: Sunday 21 Jun, 6PM (local time) - 7ft (2.2m), 7s period, SW swell with 507 kJ wave energy.
  • Next surfable swell (1★+): Monday 22 Jun, 3AM (local time) - 2.5ft (0.8m), 8s period with SSW 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 Monday (Jun 22) at 3AM. The primary swell is predicted to be 0.8m and 8s period with a secondary swell of 0.2m and 10s. 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 2.2m 7s and forecast to arrive on Sunday (Jun 21) at 6PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Monday (Jun 22) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Mon 22nd Jun)2.5ft (0.8m) 8s
Best Surf 3AM (Sat 27th Jun)7ft (2.1m) 8s
Most Powerful 6PM (Sun 21st Jun)7ft (2.2m) 7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Mon night. Warm (max 29°C on Sun afternoon, min 19°C on Tue night). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 12mm), heaviest on Fri morning. Warm (max 24°C on Fri afternoon, min 20°C on Wed morning). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
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
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
2
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)
1.1
S
5
1.8
SSW
6
0.9
SSW
8
0.5
SSW
8
0.4
S
6
0.2
SSE
10
0.2
SSE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
10
0.3
SSW
10
0.3
SE
10
0.3
SSW
10
0.6
S
9
1.9
SSW
6
2.3
SSW
7
1.7
SSW
7
0.9
SSW
7
0.7
SSW
7
0.8
SSW
7
Wave Graph
Metric surfscale
Energy kJ
71
255
108
37
12
10
13
20
18
18
17
20
16
18
57
293
473
286
97
55
54
Wind (km/h)
10
SSW
25
WSW
15
NNE
10
NE
10
S
10
NE
15
NE
5
SE
10
ENE
10
NE
10
S
5
WNW
5
E
15
SSE
5
W
5
S
15
SSW
10
WNW
10
SSE
10
SSW
10
WSW
Wind State
cross
cross-off
cross-off
cross
cross-on
cross
cross
glassy
cross-on
cross
cross-on
glassy
glassy
cross-on
cross-off
glassy
cross
cross-off
on
cross
cross-off
High Tide
10:05PM1.32m
9:56AM1.10m
10:40PM1.32m
11:43AM1.04m
11:17PM1.32m
1:37PM1.06m
11:58PM1.33m
3:02PM1.13m
00:43AM1.33m
3:57PM1.21m
1:30AM1.35m
4:37PM1.27m
2:16AM1.37m
Low Tide
3:10PM0.50m
4:24AM0.75m
3:53PM0.67m
5:37AM0.65m
4:42PM0.82m
6:43AM0.54m
5:45PM0.94m
7:39AM0.44m
7:01PM1.02m
8:26AM0.35m
8:12PM1.05m
9:09AM0.27m
9:09PM1.05m
thunderstorm
part cloud
part cloud
part cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
rain showers
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:28
4:28
4:28
4:28
4:28
4:28
4:28
<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
1
5
7
5
Temp °C
26
29
25
23
23
20
21
22
21
22
22
21
23
23
22
22
24
23
25
25
25
Feels °C
28
27
25
24
24
19
21
23
22
23
22
23
24
24
24
25
26
25
27
27
25
Swell 1
Height (m)
Direction
Period (s)
0.1
SE
9
0.1
SE
11
0.9
SSW
8
0.5
SSW
8
0.2
SSW
8
0.3
SE
3
0.2
SSE
11
0.3
SE
11
0.3
SE
11
0.3
SSE
5
0.3
SE
10
0.3
SSW
10
0.3
SSE
4
0.3
SSW
10
0.4
SW
13
0.1
SE
10
0.4
SW
12
0.9
SSW
7
0.7
SSW
7
0.8
SSW
7
Energy kJ
3
5
108
37
6
2
13
20
18
5
17
20
4
18
44
4
34
97
55
54
Swell 2
Height (m)
Direction
Period (s)
0.1
SE
11
0.1
SE
9
0.2
SSE
10
0.2
SSE
10
0.2
SSE
10
0.2
SSW
8
0.1
S
6
0.1
S
6
0.1
S
5
0.3
SE
11
0.2
SSW
11
0.3
SE
10
0.2
SSW
9
0.2
SSE
10
0.3
SE
6
0.3
ESE
7
0.1
E
18
0.3
SW
11
0.2
SSW
11
0.1
SW
13
Energy kJ
5
3
10
10
10
6
1
1
1
18
12
17
8
10
5
10
6
18
13
7
Swell 3
Height (m)
Direction
Period (s)
0.1
E
18
0.2
E
10
0.1
E
16
0.1
E
16
0.1
E
10
0.2
SSE
10
0.1
SW
6
0.1
S
10
0.1
S
14
0.2
SSW
12
0.1
SW
13
0.1
SW
12
0.3
SE
10
0.2
SSW
12
0.2
SSE
10
0.1
SE
18
0.1
SE
18
0.1
E
18
0.1
SE
10
0.1
SE
10
0.1
SE
10
Energy kJ
6
7
5
5
2
10
2
2
4
15
7
6
16
14
10
12
12
6
4
4
4
Wind waves
Height (m)
Direction
Period (s)
1.1
S
5
1.8
SSW
6
0.2
NNE
2
0.4
S
6
0.4
NE
3
0.4
NE
3
0.1
SE
4
0.5
SE
4
0.5
S
4
0.5
S
4
0.6
SSE
4
0.4
SSE
5
0.6
S
9
1.9
SSW
6
2.3
SSW
7
1.7
SSW
7
Energy kJ
71
255
1
12
3
3
1
9
10
9
13
7
57
293
473
286
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
1
1
1
1
3
2
1
1
1
1
2
1
2
2
2
1
1
1
Distance (km)
203
444
3
20
62
41
69
101
87
41
62
20
12
465
0
0
203
0
31
13
12
Best forecast wave conditions in Kanagawa
Rating
(10 max)
1
1
1
1
1
1
1
2
2
1
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
3
2
4
2
1
3
1
3
2
2
1
2
2
3
4
3
2
3
4
4
2
Header Global
Rating
(10 max)
4
9
5
7
5
7
5
6
5
7
9
7
6
7
5
5
5
5
6
6
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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