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Surf Forecasts:
Hayama surfForecast / Kanagawa / Japan
48hr Weather and Surf, issued 8 am Saturday 18 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
17.0° C
(Which is 1.2°C colder than average for this time of year)How big are the waves at Hayama today?
The current surf forecast for Hayama at 4PM is: 1.5m 15s primary swell from a South-southeast direction (forecast issued at 08:00am April 18). An open ocean swell of 0.3m 11s is not directed at the surf break. The wind direction is predicted to be 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 Hayama. (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 | glass | on | cross- on | on | cross- on | cross- on | glass | glass | off | cross- off | off | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | glass | cross- on | cross- on | cross- on | on | on |
High Tide / height (m) | 4:43AM 1.44 | 5:49PM 1.44 | 5:06AM 1.45 | 6:29PM 1.39 | 5:29AM 1.45 | 7:12PM 1.31 | ||||||||||||||||||
Low Tide / height (m) | 11:15AM 0.03 | 11:26PM 0.58 | 11:48AM -0.01 | 11:54PM 0.68 | 12:23PM -0.00 | 12:20AM 0.77 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| Sunrise | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:16 | - | - | - |
 | | |  | |  |  |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 15 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 19 | 19 | 19 | 17 | 16 | 16 | 15 | 16 | 18 | 17 | 17 | 17 | 17 | 17 |
| Feels °C (?) | 14 | 14 | 14 | 14 | 15 | 17 | 16 | 17 | 15 | 16 | 18 | 17 | 18 | 17 | 16 | 15 | 13 | 13 | 17 | 14 | 15 | 15 | 15 | 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)
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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