Hanamizu River Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River Surf Forecast and Surf Report

Issued: 2 am 24 Sep 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
25.2°C
0.2° 

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 23 Sep 2026:

  • Best quality surf: Thursday 1 Oct, 6AM (local time) - 3.5ft (1.1m), 7s period, SSW swell with cross-offshore winds.
  • Most powerful swell: Thursday 1 Oct, 3AM (local time) - 6ft (1.8m), 7s period, SSW swell with 297 kJ wave energy.
  • Next surfable swell (1★+): Thursday 1 Oct, 6AM (local time) - 3.5ft (1.1m), 7s 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 Thursday (Oct 01) at 6AM. The primary swell is predicted to be 1.1m and 7s period with a secondary swell of 0.1m and 11s. 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 1.8m 7s and forecast to arrive on Thursday (Oct 01) at 3AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Saturday (Sep 26) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Thu 1st Oct)3.5ft (1.1m) 7s
Best Surf 6AM (Thu 1st Oct)3.5ft (1.1m) 7s
Most Powerful 3AM (Thu 1st Oct)6ft (1.8m) 7s

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


Short Range Forecast

Heavy rain (total 21mm), heaviest during Sat morning. Warm (max 25°C on Thu afternoon, min 18°C on Sat afternoon). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 21mm), heaviest during Sun night. Warm (max 23°C on Mon afternoon, min 20°C on Sun night). Wind will be generally light.

Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
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
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)
0.4
SE
6
0.2
SSE
5
0.1
SE
8
0.1
SE
8
0.3
ESE
4
0.1
SE
8
0.1
S
8
0.1
S
13
0.1
SE
9
0.1
SE
9
0.1
SE
9
0.2
S
7
0.2
SSW
6
0.2
SSE
9
0.3
SSW
5
0.5
S
6
0.3
SSW
6
0.2
SSW
6
0.2
S
6
0.3
SSW
7
1.3
SSW
6
Wave Graph
Metric surfscale
Energy kJ
8
3
3
3
4
3
1
4
3
3
3
7
4
7
5
18
6
3
3
10
106
Wind (km/h)
5
ENE
10
SSW
5
NNE
10
ENE
10
S
5
SSE
20
NNE
20
N
15
N
10
NNE
5
SE
5
NNW
5
S
5
SSE
5
NNW
20
NE
15
ENE
10
N
5
N
15
SW
30
SW
Wind State
glassy
cross-on
glassy
cross-on
cross-on
on
cross-off
cross-off
cross-off
cross-off
on
cross-off
glassy
glassy
cross-off
cross
cross
cross-off
glassy
cross
cross
High Tide
3:57PM1.41m
3:27AM1.40m
4:15PM1.46m
4:08AM1.47m
4:33PM1.50m
4:48AM1.52m
4:53PM1.52m
5:29AM1.53m
5:14PM1.54m
6:11AM1.50m
5:36PM1.55m
6:57AM1.43m
5:59PM1.53m
Low Tide
9:19AM0.35m
9:44PM0.68m
9:51AM0.34m
10:11PM0.54m
10:21AM0.37m
10:39PM0.39m
10:51AM0.43m
11:10PM0.27m
11:21AM0.53m
11:42PM0.18m
11:50AM0.64m
00:18AM0.13m
12:19PM0.77m
00:58AM0.14m
clear
clear
rain showers
part cloud
part cloud
light rain
mod rain
mod rain
cloud
cloud
light rain
heavy rain
cloud
cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:31
5:31
5:33
5:33
5:33
5:35
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:37
5:36
5:35
5:34
5:31
5:30
5:29
 mm
2
2
8
9
1
20
Temp °C
24
25
25
24
24
22
20
18
19
22
22
21
22
23
23
22
23
22
21
23
25
Feels °C
26
27
28
25
24
22
19
16
18
23
23
23
25
26
26
21
23
23
22
24
24
  • 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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