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Surf Forecasts:
Hanamizu River surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 2 pm Tuesday 21 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
18.0° C
(Which is slightly cooler than normal)How big are the waves at Hanamizu River today?
The current surf forecast for Hanamizu River at 8PM is: 0.4m 11s primary swell from a Southeast direction and 0.1m 15s secondary swell from a Southeast direction, 0.6m 6s secondary swell from a South-southeast direction (forecast issued at 02:00pm April 21). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | - | - |
| Afternoon (21 Apr) | 1.5ft (0.4m) | 11s |
| Evening (21 Apr) | 1.5ft (0.4m) | 11s |
Table - waves today at Hanamizu River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| 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 | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 11 | 6 | 7 | 8 | 8 | 8 | 4 | 4 | 8 | 6 | 6 | 6 | 6 | 6 | 6 | 9 | 4 | 12 | 9 | 12 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 58 | 41 | 328 | 29 | 106 | 183 | 53 | 45 | 23 | 13 | 14 | 11 | 16 | 12 | 15 | 10 | 10 | 7 | 7 | 6 | 6 | 7 | 5 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | on | cross- on | cross | cross- off | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | off | cross- off | cross- off | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:31PM 1.33 | 6:21AM 1.50 | 9:51PM 1.24 | 6:56AM 1.41 | 11:45PM 1.21 | 7:42AM 1.28 | ||||||||||||||||||
Low Tide / height (m) | 1:12PM 0.03 | 12:59AM 1.05 | 2:04PM 0.14 | 1:37AM 1.12 | 3:07PM 0.27 | 2:56AM 1.16 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:00 | - |
| Sunset | - | - | 6:19 | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:21 | - | - | - | - | - |
 |  | |  | | | | | |  | |  |  | | | | | |  |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 5 | 7 | 4 | 3 | 1 | - |
| Temp. °C | 21 | 22 | 20 | 17 | 16 | 15 | 15 | 18 | 19 | 19 | 18 | 17 | 17 | 17 | 17 | 18 | 19 | 17 | 15 | 13 | 13 | 12 | 13 | 14 |
| Feels °C (?) | 20 | 21 | 18 | 15 | 14 | 13 | 12 | 15 | 13 | 14 | 15 | 15 | 16 | 16 | 15 | 15 | 17 | 15 | 14 | 8 | 7 | 6 | 7 | 8 |
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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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