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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Wednesday 01 Apr 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
15.3° C
(Which is 1.4°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 1PM is: 1.3m 9s primary swell from a South-southeast direction and 0.1m 15s secondary swell from a East direction, 1.1m 5s secondary swell from a Northeast direction (forecast issued at 08:00am April 01). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Apr) | 5ft (1.5m) | 9s |
| Afternoon (01 Apr) | 3.5ft (1.1m) | 9s |
| Evening (01 Apr) | 4.5ft (1.4m) | 8s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 01 | Thursday 02 | Friday 03 | Sat 04 | |||||||||||||||||||||
| 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 | 6 PM | 9 PM | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 9 | 9 | 9 | 6 | 8 | 6 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 8 | 8 | 8 | 7 | 7 | 10 | 4 | 10 | 4 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 495 | 354 | 264 | 211 | 140 | 270 | 171 | 276 | 1103 | 267 | 268 | 312 | 242 | 175 | 57 | 62 | 32 | 21 | 17 | 19 | 20 | 20 | 22 | 53 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross | cross | cross- on | cross | cross- off | cross- off | off | cross- off | cross- off | cross- off | off | off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 3:42AM 1.16 | 3:56PM 1.21 | 3:58AM 1.21 | 4:36PM 1.21 | 4:16AM 1.25 | 5:15PM 1.18 | ||||||||||||||||||
Low Tide / height (m) | 9:47AM 0.31 | 9:57PM 0.32 | 10:18AM 0.19 | 10:25PM 0.39 | 10:48AM 0.10 | 10:51PM 0.47 | ||||||||||||||||||
Wednesday 01 | Thursday 02 | Friday 03 | Sat 04 | |||||||||||||||||||||
| Sunrise | 5:24 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 5:57 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:59 | - | - | - | - |
 |  | |  |  | | |  |  | | | | |  | | |  | | | | | | |  | |
Rain (mm) | - | - | - | 3 | 5 | 3 | 5 | 13 | 11 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 15 | 13 | 12 | 12 | 13 | 14 | 16 | 14 | 13 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 11 | 14 | 14 | 14 | 15 | 16 | 15 |
| Feels °C (?) | 18 | 9 | 6 | 6 | 6 | 8 | 9 | 17 | 9 | 9 | 4 | 7 | 8 | 7 | 5 | 5 | 6 | 8 | 10 | 8 | 7 | 10 | 11 | 8 |
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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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