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Surf Forecasts:
Hanamizu River surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Saturday 18 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
16.8° C
(Which is 1.4°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 5PM is: 1.5m 15s primary swell from a South-southeast direction and 0.2m 11s secondary swell from a East direction (forecast issued at 08:00am April 18). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 5ft (1.6m) | 16s |
| Afternoon (18 Apr) | 5ft (1.5m) | 16s |
| Evening (18 Apr) | 4.5ft (1.4m) | 15s |
Table - waves today at Hanamizu River. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| 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 | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1239 | 1224 | 1068 | 1041 | 845 | 869 | 869 | 857 | 845 | 899 | 911 | 911 | 961 | 961 | 947 | 822 | 701 | 595 | 451 | 380 | 277 | 221 | 146 | 141 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- on | cross- on | cross- on | cross- on | glass | off | off | cross- off | cross- on | on | cross- on | cross- on | cross- on | glass | glass | cross | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:30AM 1.55 | 5:50PM 1.54 | 4:55AM 1.57 | 6:38PM 1.51 | 5:22AM 1.57 | 7:30PM 1.43 | ||||||||||||||||||
Low Tide / height (m) | 11:08AM 0.06 | 11:21PM 0.73 | 11:46AM -0.01 | 11:54PM 0.85 | 12:27PM -0.02 | 12:26AM 0.96 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| Sunrise | 5:07 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:17 | - | - | - | - | - | - | - | 6:19 | - | - | - |
 |  | | | |  |  |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 13 | 16 | 17 | 18 | 17 | 16 | 16 | 16 | 16 | 18 | 19 | 20 | 18 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 17 | 16 | 15 | 15 |
| Feels °C (?) | 11 | 14 | 14 | 15 | 16 | 16 | 16 | 15 | 15 | 16 | 18 | 18 | 16 | 17 | 18 | 16 | 15 | 15 | 15 | 15 | 16 | 15 | 13 | 13 |
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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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