Hanamizu River surfForecast / Kanagawa / Japan

information circle12 Day Weather and Surf, issued 2 pm Sunday 13 Jul 2025 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
27.2° C
(Which is 1.8°C warmer than normal for this time of year)


Best Forecast Surf Conditions for Hanamizu River this week:

The surf forecast for Hanamizu River over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Jul 14) at 12PM. The primary swell is predicted to be 0.6m and 8s period with a secondary swell of 0.3m and 16s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Hanamizu River in the next 12 days are 3.0m 11s and forecast to arrive on Tuesday (Jul 15) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 3s period and expected on Monday (Jul 14) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12PM (Mon 14th Jul)2ft (0.6m) 8s
Best Surf 9PM (Tue 15th Jul)7.5ft (2.3m) 11s
Most Powerful 3PM (Tue 15th Jul)10ft (3.0m) 11s

Table - best surf conditions forecast for Hanamizu River over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Sun
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Fri
25
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
SSE
0.7
SSE
0.5
SSE
1.7
SE
1.2
SE
1.5
SSE
3
SE
2.1
SSE
1.9
SSE
2.1
S
2.2
S
1.4
S
1.5
S
1.3
S
1.1
S
1.1
S
0.8
SSW
0.8
S
0.9
S
0.8
S
0.6
S
0.8
S
0.7
S
0.7
SSW
0.6
SSW
0.8
SSW
0.8
S
0.5
SSW
1.2
S
1.8
S
1.9
S
1.8
S
1.5
S
1.3
S
1.3
S
1.2
S
Period(s) (?)8881411111111101098888777441091012111413121514131312111110
Wave
Graph
(?)Metric surfscale
Energy (?)5162401049555601324410307698687442783042371621508370494183130109151143258235140752132912561051630483430304
Wind
(km/h)
15
SSE
5
NNE
20
N
10
SSE
15
SW
20
SSW
25
S
20
SSW
20
S
25
S
10
WSW
20
SSW
25
SSW
10
WSW
15
S
25
S
10
SW
10
SSE
15
S
10
SW
5
SE
15
SSE
5
W
0
ENE
10
SSE
5
W
5
SE
15
S
10
SW
10
S
20
S
10
SW
15
S
25
S
10
SW
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
off
cross-
off
oncrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
on
cross-
on
cross-
off
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
off
glasscross-
on
cross-
off
glasscross-
on
glassoncross-
on
crosscross-
on
cross-
on
crosscross-
on
cross-
on
crosscross-
on
High Tide
/ height (m)
7:21PM
1.44
6:01AM
1.46
7:50PM
1.44
6:47AM
1.40
8:18PM
1.44
7:40AM
1.31
8:47PM
1.43
8:43AM
1.21
9:18PM
1.41
10:06AM
1.12
9:52PM
1.40
12:05PM
1.08
10:34PM
1.38
2:24PM
1.15
11:29PM
1.37
3:49PM
1.26
12:40AM
1.38
4:38PM
1.35
1:52AM
1.41
5:15PM
1.41
2:56AM
1.46
5:47PM
1.43
3:51AM
1.51
Low Tide
/ height (m)
12:39AM
0.87
12:57PM
0.14
1:21AM
0.80
1:31PM
0.25
2:08AM
0.73
2:07PM
0.40
3:00AM
0.65
2:44PM
0.57
4:01AM
0.57
3:25PM
0.76
5:12AM
0.48
4:17PM
0.94
6:29AM
0.37
5:45PM
1.09
7:42AM
0.26
7:41PM
1.15
8:45AM
0.15
9:03PM
1.14
9:39AM
0.06
9:58PM
1.09
10:27AM
0.01
10:40PM
1.02
11:09AM
0.00
Sun
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Fri
25
Sunrise--4:37--4:37--4:39--4:39--4:39--4:41--4:41--4:41--4:43--4:43--4:45--4:45
Sunset6:59--6:58--6:58--6:58--6:57--6:57--6:55--6:54--6:54--6:53--6:53--6:52--
clearrain showerslight rainpart cloudrain showersthunderstorm thunderstorm rain showersthunderstorm heavy rainrain showersthunderstorm clearclearclearclearclearclearpart cloudpart cloudpart cloudclearclearpart cloudclearclearclearclearclearpart cloudpart cloudclearclearclearpart cloudpart cloud
Rain (mm)
-21-64167143632------------------------
Temp. °C272626282628272627262628292628282628282628282627282628282728282728282728
Feels °C (?)293127292829293128292828292829282830302930303031313032303031293030282930

Short Range Forecast: Heavy rain (total 50mm), heaviest during Wed morning. Warm (max 28°C on Mon afternoon, min 25°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the S by Wed morning).

Days 3-6 Weather Summary Heavy rain (total 41mm), heaviest during Wed afternoon. Warm (max 29°C on Thu afternoon, min 24°C on Wed afternoon). Wind will be generally light.

Days 6-9 Weather Summary Mostly dry. Warm (max 28°C on Sat afternoon, min 25°C on Sat night). Wind will be generally light.

Long Range Forecast: Mostly dry. Warm (max 28°C on Tue afternoon, min 26°C on Tue night). Wind will be generally light.

  • 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 12 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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