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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Saturday 06 Dec 2025 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
18.1° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 11PM is: 0.7m 16s primary swell from a East-northeast direction and 0.2m 9s secondary swell from a East-southeast direction, 0.6m 5s secondary swell from a South direction (forecast issued at 08:00pm December 06). The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | - | - |
| Afternoon (06 Dec) | - | - |
| Evening (06 Dec) | 2.5ft (0.7m) | 15s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sat 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| 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) (?) | 4 | 15 | 16 | 16 | 16 | 6 | 15 | 15 | 14 | 14 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 8 | 10 | 10 | 10 | 10 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10 | 207 | 162 | 164 | 164 | 103 | 86 | 84 | 82 | 81 | 16 | 15 | 15 | 16 | 17 | 53 | 311 | 41 | 18 | 23 | 36 | 36 | 49 | 47 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross | glass | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off |
High Tide / height (m) | 3:30PM 1.56 | 6:41AM 1.34 | 4:12PM 1.54 | 7:26AM 1.29 | 4:55PM 1.49 | 8:09AM 1.24 | ||||||||||||||||||
Low Tide / height (m) | 11:10PM -0.14 | 11:00AM 1.09 | 11:55PM -0.07 | 11:41AM 1.07 | 12:40AM 0.03 | 12:27PM 1.05 | ||||||||||||||||||
Sat 06 | Sunday 07 | Monday 08 | Tuesday 09 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:33 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 |
 | |  | | |  | | | | | | | | |  | |  | |  | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 13 | 12 | 12 | 11 | 10 | 12 | 13 | 14 | 13 | 13 | 12 | 11 | 11 | 14 | 16 | 16 | 13 | 11 | 10 | 10 | 10 | 10 | 10 |
| Feels °C (?) | 10 | 8 | 7 | 5 | 6 | 6 | 8 | 10 | 12 | 10 | 9 | 8 | 7 | 6 | 9 | 11 | 12 | 7 | 4 | 3 | 4 | 3 | 5 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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