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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Friday 05 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
18.9° C
(Which is slightly cooler than normal)How big are the waves at Choshi today?
The current surf forecast for Choshi at 8PM is: 0.6m 13s primary swell from a East-northeast direction and 0.4m 16s secondary swell from a East-northeast direction (forecast issued at 02:00pm December 05). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Dec) | - | - |
| Afternoon (05 Dec) | 2.5ft (0.7m) | 13s |
| Evening (05 Dec) | 2ft (0.6m) | 13s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 13 | 16 | 15 | 15 | 15 | 15 | 15 | 4 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 14 | 9 | 9 | 6 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 142 | 145 | 108 | 108 | 142 | 302 | 291 | 279 | 279 | 287 | 10 | 207 | 162 | 164 | 164 | 94 | 86 | 84 | 82 | 16 | 15 | 14 | 37 | 34 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | off | off | glass | glass | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross | glass | glass | cross- off | off | off | cross- off |
High Tide / height (m) | 2:51PM 1.54 | 5:54AM 1.37 | 3:30PM 1.56 | 6:41AM 1.34 | 4:12PM 1.54 | 7:26AM 1.29 | ||||||||||||||||||
Low Tide / height (m) | 9:38AM 1.06 | 10:26PM -0.14 | 10:19AM 1.09 | 11:10PM -0.14 | 11:00AM 1.09 | 11:55PM -0.07 | ||||||||||||||||||
Friday 05 | Saturday 06 | Sunday 07 | Monday 08 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:33 |
| Sunset | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - |
 |  |  | | | | | | |  | |  |  | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 9 | 10 | 9 | 9 | 8 | 9 | 11 | 13 | 13 | 12 | 11 | 11 | 9 | 9 | 12 | 13 | 14 | 14 | 13 | 12 | 11 | 11 |
| Feels °C (?) | 6 | 4 | 4 | 6 | 5 | 5 | 4 | 6 | 8 | 8 | 9 | 9 | 6 | 5 | 5 | 5 | 9 | 9 | 12 | 13 | 10 | 8 | 6 | 7 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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