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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Tuesday 09 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
17.6° C
(Which is 1.8°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: 0.4m 10s primary swell from a East-southeast direction (forecast issued at 08:00pm December 09). An open ocean swell of 0.8m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Dec) | - | - |
| Afternoon (09 Dec) | - | - |
| Evening (09 Dec) | 2.5ft (0.8m) | 5s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| 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) (?) | 5 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 6 | 7 | 8 | 10 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 50 | 40 | 32 | 32 | 48 | 52 | 45 | 45 | 63 | 49 | 63 | 57 | 56 | 48 | 48 | 31 | 42 | 160 | 131 | 55 | 54 | 55 | 37 | 36 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | glass | cross- off | cross- off | cross- off | cross- off | cross | cross | glass | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | off | cross- off | off | cross- off | cross- off |
High Tide / height (m) | 5:41PM 1.41 | 8:50AM 1.21 | 6:32PM 1.29 | 9:29AM 1.19 | 7:34PM 1.15 | 10:06AM 1.19 | ||||||||||||||||||
Low Tide / height (m) | 1:24AM 0.17 | 1:23PM 1.01 | 2:09AM 0.32 | 2:35PM 0.95 | 2:53AM 0.48 | |||||||||||||||||||
Tue 09 | Wednesday 10 | Thursday 11 | Friday 12 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 | - | - | - | - | - | - | - | 4:22 |
 |  | |  | |  | |  | | | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 10 | 11 | 11 | 11 | 10 | 11 | 11 | 12 | 12 | 13 | 13 | 13 | 11 | 12 | 16 | 14 | 15 | 15 | 10 | 7 | 6 | 7 | 7 |
| Feels °C (?) | 4 | 4 | 7 | 8 | 9 | 6 | 7 | 6 | 8 | 8 | 9 | 10 | 10 | 8 | 8 | 8 | 5 | 4 | 5 | 0 | -4 | -7 | -4 | -4 |
- 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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