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Surf Forecasts:
Hanamizu River surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 pm Monday 20 Apr 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
17.3° C
(Which is 1.1°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 4AM is: 0.9m 12s primary swell from a South-southeast direction and 0.8m 5s secondary swell from a South-southeast direction (forecast issued at 08:00pm April 20). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 1.5ft (0.5m) | 11s |
| Afternoon (21 Apr) | 1.5ft (0.4m) | 11s |
| Evening (21 Apr) | 4.5ft (1.3m) | 10s |
Table - waves today at Hanamizu River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 6 | 7 | 8 | 8 | 3 | 8 | 8 | 5 | 6 | 13 | 7 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 256 | 210 | 209 | 222 | 86 | 60 | 58 | 41 | 29 | 361 | 26 | 26 | 16 | 16 | 36 | 9 | 15 | 33 | 8 | 7 | 6 | 7 | 6 | 6 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross- off | cross | cross | cross- on | on | on | glass | on | glass | cross | cross- on | cross- on | cross- on | cross- on | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- on |
High Tide / height (m) | 7:30PM 1.43 | 5:50AM 1.55 | 8:31PM 1.33 | 6:21AM 1.50 | 9:51PM 1.24 | 6:56AM 1.41 | ||||||||||||||||||
Low Tide / height (m) | 12:26AM 0.96 | 1:12PM 0.03 | 12:59AM 1.05 | 2:04PM 0.14 | 1:37AM 1.12 | |||||||||||||||||||
Mon 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:01 | - | - | - |
| Sunset | 6:19 | - | - | - | - | - | - | - | 6:19 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - |
 |  | |  |  | | |  | | | | | | | | | | | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 18 | 17 | 16 | 17 | 18 | 21 | 21 | 18 | 17 | 16 | 15 | 15 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 16 | 17 | 19 | 19 |
| Feels °C (?) | 16 | 16 | 16 | 15 | 16 | 17 | 19 | 19 | 16 | 16 | 14 | 13 | 13 | 14 | 15 | 15 | 17 | 17 | 16 | 15 | 11 | 12 | 16 | 16 |
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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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