Hanamizu River Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River Surf Forecast and Surf Report

Issued: 8 pm 25 Jul 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
27.2° C
0.9° 

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 Jul 2026:

  • Most powerful swell: Thursday 30 Jul, 3PM (local time) - 1.5ft (0.5m), 8s period, S swell with 29 kJ wave energy.

Best Forecast Surf Conditions for Hanamizu River this week:

The most powerful waves expected at Hanamizu River in the next 16 days are 0.5m 8s and forecast to arrive on Thursday (Jul 30) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 3PM (Thu 30th Jul)1.5ft (0.5m) 8s

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


Short Range Forecast

Heavy rain (total 22mm), heaviest during Sat night. Warm (max 27°C on Sun morning, min 24°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 8mm), mostly falling on Tue night. Warm (max 31°C on Fri afternoon, min 24°C on Tue night). Wind will be generally light.

Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
31
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
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)
0.2
SSE
15
0.1
SE
15
0.3
SE
11
0.3
SE
11
0.3
SE
10
0.3
SE
10
0.4
SSW
8
0.4
SSW
9
0.3
SE
10
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
8
0.3
SSW
7
0.5
S
8
0.4
SSW
4
0.5
S
6
0.5
S
6
0.3
SSW
6
Wave Graph
Metric surfscale
Energy kJ
22
8
18
20
16
16
23
26
15
14
13
13
13
10
29
6
22
20
8
Wind (km/h)
10
NE
10
SSE
15
S
10
NW
20
ENE
10
S
5
S
5
ESE
10
S
15
NE
10
NE
15
S
5
S
10
S
20
S
10
W
5
E
10
SSW
5
NNE
Wind State
cross
on
cross-on
off
cross
cross-on
glassy
on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-off
glassy
cross-on
glassy
High Tide
00:48AM1.28m
4:44PM1.26m
1:59AM1.31m
5:07PM1.31m
2:54AM1.37m
5:29PM1.36m
3:40AM1.42m
5:51PM1.39m
4:21AM1.46m
6:13PM1.42m
5:00AM1.48m
6:35PM1.44m
Low Tide
8:56AM0.32m
9:09PM1.09m
9:39AM0.25m
9:52PM1.04m
10:16AM0.18m
10:26PM0.97m
10:50AM0.14m
10:59PM0.90m
11:21AM0.13m
11:31PM0.83m
11:50AM0.15m
00:04AM0.75m
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
rain showers
part cloud
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:46
4:47
4:48
4:48
4:48
4:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:51
6:50
6:49
6:49
6:47
 mm
9
2
2
2
3
4
7
1
1
Temp °C
26
27
27
26
26
27
25
25
26
24
26
27
25
27
28
27
30
31
28
Feels °C
29
30
30
29
28
30
28
27
29
26
28
29
28
30
30
30
35
35
33
  • 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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