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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Monday 20 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Shida surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shida sea temperature is
16.3° C
(Which is 1.9°C colder than average for this time of year)How big are the waves at Shida today?
The current surf forecast for Shida at 5AM is: 2.4m 14s primary swell from a Southeast direction and 0.4m 10s secondary swell from a East-northeast direction (forecast issued at 02:00am April 20). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Apr) | 7.5ft (2.3m) | 13s |
| Afternoon (20 Apr) | 7ft (2.1m) | 13s |
| Evening (20 Apr) | 6ft (1.8m) | 12s |
Table - waves today at Shida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| 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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2612 | 2509 | 2135 | 1890 | 1537 | 1395 | 1118 | 976 | 944 | 855 | 836 | 493 | 738 | 651 | 562 | 510 | 239 | 445 | 367 | 388 | 378 | 120 | 150 | 178 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- on | cross- on | cross | cross | cross | cross | cross- off | off | off | off | off | cross- off |
High Tide / height (m) | 4:48AM 1.57 | 7:03PM 1.38 | 5:17AM 1.56 | 8:03PM 1.29 | 5:49AM 1.51 | |||||||||||||||||||
Low Tide / height (m) | 11:19PM 0.87 | 11:59AM -0.03 | 11:50PM 0.97 | 12:43PM 0.02 | 12:22AM 1.05 | 1:34PM 0.12 | ||||||||||||||||||
Monday 20 | Tuesday 21 | Wednesday 22 | ||||||||||||||||||||||
| Sunrise | - | - | 5:01 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:14 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - |
 | |  |  | | | |  | | | | |  | | | | |  | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 16 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 20 | 19 | 19 | 16 | 17 | 15 | 16 | 17 | 18 | 18 | 18 | 18 | 18 |
| Feels °C (?) | 16 | 15 | 15 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 16 | 16 | 16 | 12 | 13 | 9 | 11 | 13 | 14 | 13 | 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 Shida 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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