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Surf Forecasts:

Hanamizu River surfForecast / Kanagawa / Japan

information circle12 Day Weather and Surf, issued 8 am Thursday 12 Feb 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
15.6° C
 (Which is slightly cooler than normal)

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 Sunday (Feb 15) at 9AM. The primary swell is predicted to be 1.2m and 5s period with a secondary swell of 0.8m and 5s. Another secondary swell of 0.1m and 10s 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 12 days are 1.3m 6s and forecast to arrive on Sunday (Feb 15) at 9PM. Winds are predicted to be offshore 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 (Feb 16) at 3PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9AM (Sun 15th Feb)4ft (1.2m) 5s
Best Surf 9AM (Sun 15th Feb)4ft (1.2m) 5s
Most Powerful 9PM (Sun 15th Feb)4.5ft (1.3m) 6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Some drizzle, heaviest during Thu morning. Very mild (max 13°C on Sat afternoon, min 5°C on Thu morning). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Tue morning. Very mild (max 15°C on Sun afternoon, min 4°C on Tue morning). Wind will be generally light.

Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.7
S
0.5
S
0.2
SSW
0.1
S
0.1
SE
0.2
SSW
0.2
SSW
0.3
SW
0.9
SW
1.2
SW
0.9
SSW
1.2
SW
0.4
SE
0.3
SE
0.4
NE
0.1
E
0.3
SE
0.4
SE
0.5
SE
0.4
SE
0.2
ESE
Period(s) (?)88871077645561093868997
Wave
Graph
(?)Metric surfscale
Energy kJ (?)683361445629744210225123151839205
Wind
(km/h)
10
NE
5
ESE
5
WNW
5
NNE
10
E
10
NNW
10
SW
20
S
15
WSW
5
WNW
0
ENE
10
WNW
20
NNE
20
E
15
NE
25
NNE
25
N
5
NE
5
NE
10
SE
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossglassoffcross-
off		cross-
on		cross-
off		crosscross-
on		cross-
off		glassglassoffcross-
off		cross-
on		crosscross-
off		cross-
off		glasscrossoncross-
off
High Tide
/ height (m)
10:16AM
1.23
4:43AM
1.22
12:45PM
1.22
4:43AM
1.29
2:10PM
1.29
4:56AM
1.35
3:05PM
1.37
5:13AM
1.41
3:49PM
1.45
5:32AM
1.45
4:30PM
1.51
5:52AM
1.49
5:09PM
1.54
Low Tide
/ height (m)
8:03PM
0.46
8:43AM
1.14
8:58PM
0.35
9:28AM
1.07
9:38PM
0.25
9:59AM
0.98
10:13PM
0.17
10:28AM
0.88
10:44PM
0.13
10:57AM
0.78
11:14PM
0.12
11:27AM
0.67
11:43PM
0.16
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise6:33--6:31--6:31--6:30--6:28--6:28--6:26--
Sunset-5:21--5:22--5:22--5:23--5:24--5:25--5:27-
rain showers
part cloud
clear
part cloud
part cloud
clear
clear
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
light rain
light rain
light rain
part cloud
clear
part cloud
Rain (mm)
1--------------212---
Temp. °C687898121310141513121210578101110
Feels °C (?)465464786121310564-224787
  • 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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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Hanamizu River surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Hanamizu River at:
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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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