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Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Tuesday 31 Mar 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
14.9° 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 9AM is: 1.6m 6s primary swell from a South direction and 0.6m 10s secondary swell from a East direction, 0.1m 11s secondary swell from a Southeast direction (forecast issued at 02:00am March 31). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | 5ft (1.6m) | 6s |
| Afternoon (31 Mar) | 8ft (2.5m) | 8s |
| Evening (31 Mar) | 10ft (3.0m) | 10s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 31 | Wednesday 01 | Thursday 02 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 6 | 7 | 8 | 9 | 10 | 10 | 11 | 9 | 9 | 9 | 8 | 8 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 100 | 94 | 73 | 158 | 388 | 730 | 1188 | 1411 | 1155 | 1270 | 450 | 313 | 258 | 206 | 117 | 111 | 148 | 206 | 48 | 56 | 59 | 71 | 55 | 52 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 3:27AM 1.12 | 3:11PM 1.17 | 3:42AM 1.16 | 3:56PM 1.21 | 3:58AM 1.21 | 4:36PM 1.21 | ||||||||||||||||||
Low Tide / height (m) | 9:16AM 0.47 | 9:28PM 0.26 | 9:47AM 0.31 | 9:57PM 0.32 | 10:18AM 0.19 | |||||||||||||||||||
Tuesday 31 | Wednesday 01 | Thursday 02 | ||||||||||||||||||||||
| Sunrise | - | - | 5:26 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - | - | - | 5:58 | - | - |
 | |  |  | | |  |  |  | | | | | | | |  | | | | | | | | |
Rain (mm) | - | - | - | 1 | 1 | 3 | 6 | 2 | - | - | - | - | - | - | 4 | 5 | 11 | 11 | 2 | 1 | 1 | 1 | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 19 | 19 | 17 | 16 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 11 | 9 | 9 | 10 | 11 |
| Feels °C (?) | 12 | 11 | 11 | 8 | 7 | 7 | 7 | 11 | 14 | 15 | 10 | 8 | 6 | 7 | 8 | 7 | 7 | 5 | 5 | 1 | 0 | 3 | 5 | 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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