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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Thursday 04 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 11PM is: 0.8m 13s primary swell from a East-northeast direction and 0.3m 5s secondary swell from a South-southwest direction (forecast issued at 08:00pm December 04). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Dec) | - | - |
| Afternoon (04 Dec) | - | - |
| Evening (04 Dec) | 3ft (0.9m) | 13s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 04 | Friday 05 | Saturday 06 | Sunday 07 | |||||||||||||||||||||
| 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) (?) | 9 | 13 | 13 | 13 | 10 | 13 | 13 | 13 | 13 | 13 | 16 | 15 | 15 | 15 | 15 | 9 | 9 | 15 | 16 | 16 | 16 | 16 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 13 | 299 | 195 | 238 | 52 | 145 | 142 | 142 | 108 | 108 | 142 | 302 | 287 | 279 | 279 | 13 | 20 | 207 | 162 | 164 | 164 | 94 | 87 | 85 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | glass | on | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | glass | cross | cross | cross | cross | cross- off | cross- off | off | off | cross- off |
High Tide / height (m) | 5:05AM 1.37 | 2:51PM 1.54 | 5:54AM 1.37 | 3:30PM 1.56 | 6:41AM 1.34 | |||||||||||||||||||
Low Tide / height (m) | 9:42PM -0.08 | 9:38AM 1.06 | 10:26PM -0.14 | 10:19AM 1.09 | 11:10PM -0.14 | 11:00AM 1.09 | ||||||||||||||||||
Thu 04 | Friday 05 | Saturday 06 | Sunday 07 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 |
 | |  |  | |  | |  | | | | | | | | | |  | |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 2 | - | - | - | - |
| Temp. °C | 9 | 9 | 10 | 8 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 9 | 8 | 9 | 11 | 13 | 14 | 14 | 12 | 12 | 10 | 10 | 12 | 13 |
| Feels °C (?) | 4 | 6 | 6 | 2 | 1 | 3 | 6 | 5 | 5 | 6 | 7 | 5 | 4 | 5 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 6 | 9 | 9 |
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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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