Hanamizu River surfForecast / Kanagawa / Japan

information circle16 Day Weather and Surf, issued 2 am Monday 27 Apr 2026 JST
Forecast update in hr  min  s Forecast update imminent
Hanamizu River surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hanamizu River sea temperature is
19.1° C
(Which is normal for this time of year)

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 (Apr 27) at 3PM. The primary swell is predicted to be 0.9m and 7s period. 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 1.6m 6s and forecast to arrive on Wednesday (Apr 29) at 9AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Monday (Apr 27) at 9AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Mon 27th Apr)3ft (0.9m) 7s
Best Surf 3PM (Mon 27th Apr)3ft (0.9m) 7s
Most Powerful 9AM (Wed 29th Apr)5ft (1.6m) 6s

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 23mm), heaviest during Mon morning. Warm (max 22°C on Tue afternoon, min 13°C on Wed night). Wind will be generally light.

Days 4-6 Weather Summary

Heavy rain (total 27mm), heaviest during Thu night. Warm (max 21°C on Sat afternoon, min 11°C on Thu night). Wind will be generally light.

Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
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
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.6
SSE
6
0.9
SSE
7
0.8
S
7
0.6
S
7
0.9
S
4
1.5
SSW
6
1.6
SW
6
1.1
SSW
6
0.5
S
6
0.2
E
8
0.2
SSE
9
0.1
SE
9
0.3
SE
7
0.4
SE
10
0.4
SE
10
0.6
SSE
8
0.4
SE
9
0.9
SSW
4
1.1
SSW
5
1.5
SSW
6
1.3
SW
6
Wave Graph
Metric surfscale
Energy kJ
25
84
70
35
27
139
195
88
16
5
8
3
8
33
33
37
23
23
54
126
104
Wind (km/h)
15
N
5
NNE
15
SSW
10
SSW
25
WSW
25
WSW
10
ENE
10
ESE
25
NE
15
NE
10
ENE
20
N
25
N
5
NNW
15
SSW
15
S
20
S
10
WNW
10
SW
20
SW
15
WSW
cross-off
glassy
cross
cross-on
cross-off
cross-off
cross-on
on
cross
cross
cross
cross-off
cross-off
cross-off
cross
cross-on
cross-on
off
cross
cross
cross-off
High Tide
2:01PM1.19m
2:39AM1.35m
3:02PM1.28m
3:01AM1.40m
3:49PM1.35m
3:22AM1.43m
4:30PM1.40m
3:43AM1.46m
5:07PM1.43m
4:05AM1.47m
5:43PM1.43m
4:28AM1.48m
6:19PM1.40m
Low Tide
8:11PM0.57m
8:57AM0.58m
8:54PM0.62m
9:28AM0.42m
9:30PM0.67m
9:57AM0.29m
10:02PM0.73m
10:26AM0.20m
10:32PM0.79m
10:55AM0.14m
11:01PM0.84m
11:25AM0.12m
11:28PM0.89m
heavy rain
rain showers
part cloud
part cloud
clear
part cloud
part cloud
cloud
light rain
cloud
cloud
heavy rain
mod rain
light rain
clear
clear
part cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:56
4:54
4:52
4:52
4:50
4:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:23
6:24
6:25
6:27
6:28
6:28
6:29
16
2
5
15
9
3
Temp °C
17
16
16
20
22
19
20
21
16
13
14
13
14
15
16
19
21
19
23
23
20
17
17
15
17
18
16
19
19
12
10
11
10
10
15
14
15
18
17
20
20
18
Swell 1
Height (m)
Direction
Period (s)
0.6
SSE
6
0.9
SSE
7
0.8
S
7
0.1
SE
7
0.1
E
7
0.2
E
8
1
S
6
0.7
SSW
6
0.5
S
6
0.2
SSW
6
0.2
SSE
9
0.1
SE
6
0.3
SE
7
0.4
SE
10
0.4
SE
10
0.6
SSE
8
0.4
SE
7
0.2
ESE
9
0.2
ESE
10
0.1
SE
10
1
SSW
6
Energy kJ
25
84
70
2
1
5
78
39
16
3
8
1
8
33
33
37
19
8
10
4
62
Swell 2
Height (m)
Direction
Period (s)
0.2
ESE
7
0.1
SE
11
0.1
S
13
0.1
SE
8
0.1
SW
6
0.1
SE
9
0.1
SE
10
0.5
E
7
0.4
SE
9
0.2
SSE
7
0.3
E
9
0.1
SE
10
Energy kJ
5
5
3
3
1
3
4
24
22
5
14
4
Swell 3
Height (m)
Direction
Period (s)
0.1
S
16
0.1
S
14
0.1
S
14
0.1
SE
11
0.1
S
13
0.1
E
11
0.2
E
8
0.1
S
5
0.1
E
9
0.3
S
7
0.1
E
8
Energy kJ
5
4
4
5
3
2
5
1
2
8
1
Wind waves
Height (m)
Direction
Period (s)
0.7
N
4
0.3
NNE
2
0.6
S
7
0.9
S
4
1.5
SSW
6
1.6
SW
6
1.1
SSW
6
0.5
NE
3
0.4
ENE
3
0.2
ENE
2
0.2
ENE
2
0.6
N
3
0.7
NNE
4
0.4
N
3
0.5
S
7
0.9
SSW
4
1.1
SSW
5
1.5
SSW
6
1.3
SW
6
Energy kJ
12
1
35
27
139
195
88
4
4
1
1
7
11
3
23
23
54
126
104
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
2
1
3
1
2
1
1
2
1
1
1
1
1
2
1
Distance (km)
12
0
13
77
2191
203
10
19
2498
253
253
463
87
77
62
77
104
12
103
463
483
Best forecast wave conditions in Kanagawa
Rating
(10 max)
1
1
1
2
1
1
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
1
1
2
1
1
2
1
1
2
3
1
1
2
1
2
1
Header Global
Rating
(10 max)
8
6
6
5
5
5
9
6
9
5
5
4
7
6
5
5
4
4
4
5
5
  • Map Icons:
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  • 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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