- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Hanamizu River surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 pm Wednesday 20 May 2026 JSTForecast 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
19.6° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Hanamizu River today?
The current surf forecast for Hanamizu River at 8PM is: 0.7m 4s primary swell from a South direction and 0.3m 10s secondary swell from a Southeast direction, 0.4m 5s secondary swell from a South-southeast direction (forecast issued at 02:00pm May 20). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 May) | - | - |
| Afternoon (20 May) | 2.5ft (0.8m) | 4s |
| Evening (20 May) | 1ft (0.3m) | 10s |
Table - waves today at Hanamizu River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 28mm), heaviest during Thu afternoon. Warm (max 27°C on Wed afternoon, min 13°C on Fri night). Winds increasing (calm on Thu afternoon, fresh winds from the NNE by Fri afternoon). | ||||||||||||||||||||||||
Wed 20 | Thursday 21 | Friday 22 | Sat 23 | |||||||||||||||||||||
12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SE 10 | S 4 | S 4 | SE 10 | SE 10 | SE 9 | S 6 | ESE 9 | S 7 | SSW 7 | SSW 7 | SSW 8 | S 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 | S 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 | |
27 | 22 | 24 | 15 | 14 | 14 | 25 | 58 | 152 | 338 | 417 | 196 | 138 | 94 | 72 | 57 | 57 | 41 | 28 | 18 | 9 | 9 | 8 | 9 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | glassy | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 8:39PM1.36m | 6:18AM1.47m | 9:39PM1.30m | 7:09AM1.36m | 10:39PM1.27m | 8:20AM1.23m | ||||||||||||||||||
Low Tide | 1:08PM-0.01m | 1:09AM1.09m | 1:59PM0.12m | 2:09AM1.08m | 2:55PM0.27m | 3:38AM1.04m | ||||||||||||||||||
 |  |  |  |  |  |  |  | |  | | | | | | | | | | | |  | | | |
 | — | — | — | — | — | 4:35 | — | — | — | — | — | — | — | 4:33 | — | — | — | — | — | — | — | 4:33 | — | — |
 | — | — | 6:43 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | 6:45 |
— | — | — | — | 1 | 1 | 1 | 1 | 1 | 8 | 2 | 3 | 4 | 3 | 1 | 1 | — | 1 | — | — | — | — | — | — | |
Temp °C | 25 | 27 | 25 | 23 | 22 | 21 | 21 | 22 | 22 | 21 | 19 | 17 | 17 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 14 |
24 | 27 | 25 | 23 | 22 | 22 | 22 | 24 | 24 | 24 | 19 | 15 | 15 | 13 | 12 | 11 | 10 | 10 | 8 | 9 | 8 | 8 | 8 | 9 | |
Swell 1 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | ESE 9 | ESE 10 | S 7 | S 7 | SSW 8 | S 8 | SSW 8 | S 8 | S 8 | S 8 | S 8 | S 7 | SSW 7 | S 7 | S 7 | S 7 | S 7 |
 kJ | 27 | 16 | 15 | 15 | 14 | 14 | 14 | 58 | 38 | 181 | 209 | 196 | 138 | 94 | 72 | 57 | 57 | 41 | 28 | 18 | 9 | 9 | 8 | 9 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SSE 5 | S 6 | — | — | — | — | — | — | SE 10 | SE 9 | SE 9 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | E 11 | SSW 8 | SW 8 | SW 8 | E 11 |
| kJ | — | — | — | 7 | 1 | — | — | — | — | — | — | 4 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 2 | 6 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | E 11 | SE 11 | — | — | — | — | ESE 10 | E 9 | SE 11 | E 11 | E 11 | E 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 5 | — | — | — | — | 18 | 6 | 5 | 2 | 2 | 1 |
Wind waves Height (m) Direction Period (s) | S 4 | S 4 | S 4 | S 4 | S 4 | SSW 3 | S 6 | S 6 | S 7 | SSW 7 | SSW 7 | — | NE 3 | NNE 3 | NNE 3 | NNE 3 | NNE 4 | N 4 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | NNE 4 | NNE 4 |
| kJ | 13 | 22 | 24 | 13 | 8 | 4 | 25 | 52 | 152 | 338 | 417 | — | 4 | 7 | 4 | 9 | 17 | 18 | 19 | 21 | 16 | 13 | 12 | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 465 | 465 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 0 | 10 | 59 | 59 | 112 | 203 | 123 | 123 | 123 | 123 | 123 | 123 | 547 | 773 | 773 |
Best forecast wave conditions in Kanagawa | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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.
Nearest