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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Monday 13 Apr 2026 JSTForecast update in hr min s Forecast update imminent
Choshi surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Choshi sea temperature is
15.1° C
(Which is 2.5°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 5AM is: 0.4m 10s primary swell from a East-southeast direction and 0.8m 5s secondary swell from a South-southeast direction (forecast issued at 02:00am April 13). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Apr) | 1.5ft (0.4m) | 10s |
| Afternoon (13 Apr) | 1.5ft (0.5m) | 10s |
| Evening (13 Apr) | 2ft (0.6m) | 10s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 13 | 18 | 17 | 16 | 16 | 15 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 43 | 43 | 42 | 42 | 43 | 63 | 64 | 73 | 72 | 69 | 106 | 68 | 102 | 85 | 85 | 122 | 117 | 57 | 152 | 222 | 357 | 574 | 375 | 834 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | glass | cross | cross | cross | cross | cross- on | on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on |
High Tide / height (m) | 2:20AM 1.02 | 12:28PM 0.98 | 2:34AM 1.06 | 1:46PM 1.07 | 2:50AM 1.11 | 2:44PM 1.16 | ||||||||||||||||||
Low Tide / height (m) | 7:32AM 0.76 | 7:35PM 0.30 | 8:09AM 0.60 | 8:20PM 0.30 | 8:44AM 0.42 | 8:59PM 0.34 | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | ||||||||||||||||||||||
| Sunrise | - | - | 5:07 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:08 | - |
 | |  |  | | | | |  | |  | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 17 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 18 | 18 | 18 | 18 | 18 |
| Feels °C (?) | 13 | 13 | 15 | 14 | 16 | 14 | 15 | 16 | 17 | 18 | 15 | 14 | 13 | 15 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 15 | 15 |
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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 Choshi 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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