Surf Break

Lat Long: 35.29° N 139.26° E

Hanamizu River Surf Forecast and Surf Report

Issued: 8 am 23 Oct 2026 (local time)

Forecast update in  hr  min

Today's Hanamizu River sea temperature is
24.1°C
1.1° 

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 Oct 2026:

  • Best quality surf: Friday 23 Oct, 3PM (local time) - 3ft (0.9m), 13s period, S swell with glassy winds.
  • Most powerful swell: Tuesday 27 Oct, 3PM (local time) - 8ft (2.5m), 8s period, SSW swell with 964 kJ wave energy.
  • Next surfable swell (1★+): Friday 23 Oct, 3PM (local time) - 3ft (0.9m), 13s period with S 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 (Oct 23) at 3PM. The primary swell is predicted to be 0.9m and 13s period with a secondary swell of 0.5m and 15s. Another secondary swell of 0.6m and 6s is also forecast. 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 2.5m 8s and forecast to arrive on Tuesday (Oct 27) at 3PM. 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 Wednesday (Oct 28) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Fri 23rd Oct)3ft (0.9m) 13s
Best Surf 3PM (Fri 23rd Oct)3ft (0.9m) 13s
Most Powerful 3PM (Tue 27th Oct)8ft (2.5m) 8s

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


Short Range Forecast

Moderate rain (total 11mm), heaviest on Sat morning. Warm (max 22°C on Sun morning, min 16°C on Fri morning). Wind will be generally light.

Days 4-6 Weather Summary

Moderate rain (total 17mm), heaviest on Mon night. Warm (max 23°C on Tue morning, min 12°C on Wed night). Wind will be generally light.

Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
2
2
2
2
1
0
1
1
1
0
0
0
1
3
0
0
0
0
0
0
1
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
13
0.9
S
13
0.9
SSW
13
1.3
SE
9
0.7
SSW
14
0.7
SSW
14
0.4
SW
14
1.5
SSW
6
0.7
SSW
7
0.3
SW
11
0.3
SE
10
0.3
SE
8
1.4
SSW
6
2.5
SSW
8
1.1
SSW
9
0.5
SSW
9
0.3
SSW
8
0.2
S
7
0.1
SE
11
0.4
SE
6
0.8
SSE
7
Wave Graph
Metric surfscale
Energy kJ
411
252
249
235
178
161
56
164
48
19
14
9
110
964
216
47
13
5
5
10
70
Wind (km/h)
15
NE
5
SSE
5
N
15
NNE
15
N
5
S
5
W
15
NNE
10
NNE
15
NNE
10
NE
5
NNE
10
WSW
20
NNE
15
NE
10
ENE
10
SSE
10
NE
20
NNE
15
NNE
0
ENE
Wind State
cross
glassy
cross-off
cross-off
cross-off
cross-on
glassy
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross
cross-on
on
cross
cross-off
cross-off
glassy
High Tide
2:54PM1.41m
3:16AM1.35m
3:16PM1.46m
4:01AM1.45m
3:39PM1.50m
4:45AM1.51m
4:03PM1.53m
5:29AM1.53m
4:29PM1.56m
6:15AM1.51m
4:56PM1.56m
7:05AM1.44m
5:26PM1.55m
Low Tide
9:10PM0.51m
9:11AM0.55m
9:39PM0.34m
9:48AM0.60m
10:11PM0.18m
10:23AM0.67m
10:45PM0.06m
10:57AM0.76m
11:22PM-0.01m
11:31AM0.86m
00:01AM-0.03m
12:04PM0.95m
00:45AM0.01m
part cloud
cloud
light rain
mod rain
light rain
cloud
cloud
cloud
cloud
cloud
light rain
mod rain
mod rain
rain showers
part cloud
part cloud
cloud
part cloud
light rain
rain showers
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
—
—
5:56
—
—
5:56
—
—
5:56
—
—
5:58
—
—
5:58
—
—
6:00
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
4:59
—
—
4:58
—
—
4:55
—
—
4:54
—
—
4:53
—
—
4:52
—
—
4:52
—
 mm
—
—
1
7
3
—
—
—
—
—
1
9
6
1
—
—
—
—
5
1
2
Temp °C
17
18
19
18
18
21
22
20
20
21
21
21
23
20
20
17
18
15
10
13
13
Feels °C
16
17
20
17
17
23
24
19
20
22
22
20
24
21
22
15
15
10
5
10
13
  • 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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