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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Thursday 19 Feb 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
15.0° C
(Which is slightly cooler than normal)How big are the waves at Choshi today?
The current surf forecast for Choshi at 1AM is: 0.4m 16s primary swell from a East direction and 0.4m 12s secondary swell from a East direction (forecast issued at 08:00pm February 19). An open ocean swell of 0.6m 7s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Feb) | 2ft (0.6m) | 15s |
| Afternoon (20 Feb) | 2ft (0.6m) | 15s |
| Evening (20 Feb) | 2ft (0.6m) | 14s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 14 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 74 | 80 | 79 | 174 | 246 | 159 | 157 | 167 | 148 | 148 | 144 | 88 | 144 | 110 | 82 | 86 | 51 | 52 | 51 | 26 | 96 | 94 | 90 | 93 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | glass | glass | off | cross- off | glass | cross- on | cross- on | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | glass | cross- off | off | cross- off | cross- on | cross- on |
High Tide / height (m) | 5:04PM 1.39 | 5:58AM 1.27 | 5:48PM 1.33 | 6:16AM 1.28 | 6:35PM 1.24 | 6:34AM 1.30 | ||||||||||||||||||
Low Tide / height (m) | 11:40PM 0.17 | 11:51AM 0.40 | 12:07AM 0.30 | 12:29PM 0.31 | 12:32AM 0.45 | 1:11PM 0.24 | ||||||||||||||||||
Thu 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:23 |
 | | |  |  |  | |  |  | | | | | | |  | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 8 | 8 | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 |
| Feels °C (?) | 2 | 4 | 5 | 3 | 3 | 5 | 4 | 6 | 7 | 7 | 5 | 3 | 4 | 5 | 6 | 7 | 10 | 10 | 11 | 11 | 9 | 9 | 9 | 7 |
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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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