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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Tuesday 21 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
17.3° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Shida today?
The current surf forecast for Shida at 8AM is: 1.4m 11s primary swell from a Southeast direction and 0.1m 13s secondary swell from a East direction (forecast issued at 02:00am April 21). An open ocean swell of 1.4m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Apr) | 4.5ft (1.4m) | 11s |
| Afternoon (21 Apr) | 4.5ft (1.4m) | 11s |
| Evening (21 Apr) | 4ft (1.2m) | 10s |
Table - waves today at Shida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| 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) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 14 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 944 | 923 | 908 | 493 | 485 | 415 | 502 | 316 | 347 | 347 | 320 | 286 | 267 | 292 | 250 | 255 | 188 | 184 | 79 | 68 | 49 | 44 | 43 | 42 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- on | cross- on | cross | cross | cross | cross | cross- off | off | off | off | off | off | cross- off | cross- off | glass | off | cross- off | off | off | cross- on |
High Tide / height (m) | 5:17AM 1.56 | 8:03PM 1.29 | 5:49AM 1.51 | 9:20PM 1.22 | 6:25AM 1.42 | |||||||||||||||||||
Low Tide / height (m) | 11:50PM 0.97 | 12:43PM 0.02 | 12:22AM 1.05 | 1:34PM 0.12 | 12:59AM 1.11 | 2:35PM 0.24 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
| Sunrise | - | - | 4:58 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:56 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - |
 | |  | |  |  | |  | | | | | | | | |  | | | | |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 5 |
| Temp. °C | 17 | 17 | 18 | 20 | 20 | 17 | 17 | 16 | 16 | 15 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 18 | 18 | 14 | 12 | 12 |
| Feels °C (?) | 14 | 13 | 14 | 16 | 18 | 11 | 12 | 10 | 11 | 11 | 12 | 12 | 13 | 14 | 15 | 15 | 16 | 17 | 18 | 18 | 14 | 10 | 11 | 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 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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