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Surf Forecasts:
Hayama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Monday 20 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Hayama surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hayama sea temperature is
17.3° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Hayama today?
The current surf forecast for Hayama at 1PM is: 1.1m 13s primary swell from a Southeast direction (forecast issued at 08:00am April 20). The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 4.5ft (1.3m) | 13s |
| Afternoon (20 Apr) | 3ft (0.9m) | 13s |
| Evening (20 Apr) | 3ft (0.9m) | 12s |
Table - waves today at Hayama. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| 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) (?) | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 6 | 6 | 6 | 6 | 7 | 10 | 5 | 6 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 711 | 577 | 444 | 282 | 256 | 248 | 141 | 180 | 86 | 60 | 58 | 41 | 22 | 23 | 68 | 19 | 23 | 173 | 17 | 25 | 48 | 39 | 28 | 28 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | on | cross- on | cross- on | cross- on | on | on | on | on | cross- off | cross- off | cross | cross- off | cross | glass | glass | on | on | on | cross- on | on | on | glass |
High Tide / height (m) | 5:29AM 1.45 | 7:12PM 1.31 | 5:53AM 1.43 | 8:01PM 1.22 | 6:19AM 1.38 | 9:04PM 1.14 | ||||||||||||||||||
Low Tide / height (m) | 12:23PM -0.00 | 12:20AM 0.77 | 1:01PM 0.04 | 12:49AM 0.87 | 1:44PM 0.13 | 1:20AM 0.95 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | Thu 23 | |||||||||||||||||||||
| Sunrise | 5:03 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:17 | - | - | - | - | - | - | - | 6:19 | - | - | - |
 |  | |  | |  | |  | | | | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 18 | 19 | 20 | 19 | 17 | 16 | 15 | 16 | 17 | 18 | 18 | 18 | 18 | 18 | 18 |
| Feels °C (?) | 15 | 15 | 17 | 14 | 15 | 15 | 14 | 14 | 13 | 15 | 16 | 17 | 16 | 15 | 13 | 13 | 14 | 14 | 14 | 14 | 15 | 16 | 17 | 17 |
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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 Hayama 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.
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