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Surf Forecasts:
Hayama surfForecast / Kanagawa / Japan
16 Day Weather and Surf, issued 2 am Friday 10 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
14.9° C
(Which is 2.8°C colder than average for this time of year)Best Forecast Surf Conditions for Hayama this week:
The surf forecast for Hayama over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Apr 14) at 3PM. The primary swell is predicted to be 0.4m and 12s period with a secondary swell of 0.2m and 15s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Hayama in the next 16 days are 2.5m 8s and forecast to arrive on Friday (Apr 10) at 9PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 7s period and expected on Friday (Apr 17) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3PM (Tue 14th Apr) | 1.5ft (0.4m) 12s |
| Best Surf | 9PM (Wed 15th Apr) | 3ft (0.9m) 14s |
| Most Powerful | 9PM (Fri 10th Apr) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Hayama over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Moderate rain (total 15mm), heaviest on Fri night. Warm (max 21°C on Sat afternoon, min 13°C on Sat night). Winds decreasing (near gales from the SSW on Fri afternoon, calm by Sun night). | Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Tue morning, min 14°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the NNE by Wed night). | ||||||||||||||||||||
Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 6 | 7 | 8 | 9 | 7 | 8 | 8 | 6 | 6 | 11 | 11 | 11 | 12 | 12 | 13 | 12 | 16 | 14 | 16 | 15 | 15 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 267 | 539 | 660 | 541 | 250 | 63 | 10 | 13 | 9 | 19 | 19 | 19 | 34 | 50 | 82 | 96 | 126 | 281 | 177 | 474 | 566 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | off | cross- off | on | on | glass | on | glass | off | off | off | off | cross | cross- off | off | cross- off | off |
High Tide / height (m) | 2:10AM 1.12 | 9:57AM 1.02 | 2:34AM 1.19 | 12:57PM 1.05 | 2:55AM 1.24 | 2:15PM 1.16 | 3:17AM 1.29 | 3:08PM 1.28 | 3:38AM 1.34 | 3:52PM 1.37 | 3:59AM 1.38 | 4:32PM 1.43 | |||||||||
Low Tide / height (m) | 4:59PM 0.38 | 7:35AM 1.01 | 6:43PM 0.39 | 8:18AM 0.86 | 7:54PM 0.36 | 8:47AM 0.70 | 8:43PM 0.34 | 9:15AM 0.53 | 9:23PM 0.34 | 9:44AM 0.37 | 9:58PM 0.37 | 10:13AM 0.23 | 10:29PM 0.42 | ||||||||
Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||
| Sunrise | 5:16 | - | - | 5:16 | - | - | 5:13 | - | - | 5:13 | - | - | 5:11 | - | - | 5:09 | - | - | 5:09 | - | - |
| Sunset | - | 6:08 | - | - | 6:09 | - | - | 6:10 | - | - | 6:10 | - | - | 6:12 | - | - | 6:13 | - | - | 6:14 | - |
 |  |  |  | |  | | |  | | | |  | | | | | | | |  | |
Rain (mm) | 6 | 1 | 8 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 17 | 18 | 19 | 19 | 21 | 18 | 14 | 16 | 15 | 16 | 17 | 18 | 19 | 19 | 17 | 18 | 19 | 17 | 18 | 18 | 16 |
| Feels °C (?) | 11 | 10 | 12 | 16 | 13 | 12 | 10 | 12 | 12 | 16 | 15 | 18 | 15 | 15 | 15 | 16 | 17 | 15 | 13 | 13 | 11 |
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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.
Information about the Hayama Surf forecast
The above surf forecast table for Hayama provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hayama can be found by selecting the local surf guide option on the grey menu. Our Hayama surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Hayama) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Hayama may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Hayama is 2 km (1 miles) from the city of Hayama. If you plan a holiday in Kanagawa, look for hotels and other accommodation in Hayama. Hayama has rooms for a wide range of budgets as well as car hire and transport links.
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