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Surf Forecasts:
Choshi surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Wednesday 15 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
15.2° C
(Which is 2.5°C colder than average for this time of year)How big are the waves at Choshi today?
The current surf forecast for Choshi at 6AM is: 0.5m 18s primary swell from a Southeast direction and 0.8m 9s secondary swell from a East-southeast direction (forecast issued at 02:00am April 15). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Apr) | 2ft (0.6m) | 17s |
| Afternoon (15 Apr) | 3.5ft (1.1m) | 16s |
| Evening (15 Apr) | 4ft (1.2m) | 15s |
Table - waves today at Choshi. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 15 | Thursday 16 | Friday 17 | ||||||||||||||||||||||
| 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 | 9 | 18 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 9 | 15 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 117 | 113 | 152 | 222 | 432 | 567 | 512 | 648 | 657 | 606 | 520 | 733 | 823 | 793 | 649 | 551 | 566 | 581 | 802 | 702 | 1087 | 631 | 631 | 640 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on |
High Tide / height (m) | 2:50AM 1.11 | 2:44PM 1.16 | 3:08AM 1.16 | 3:36PM 1.22 | 3:27AM 1.21 | 4:26PM 1.25 | ||||||||||||||||||
Low Tide / height (m) | 8:44AM 0.42 | 8:59PM 0.34 | 9:19AM 0.23 | 9:35PM 0.41 | 9:55AM 0.06 | |||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | ||||||||||||||||||||||
| Sunrise | - | - | 5:05 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:08 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:09 | - |
 |  |  | |  |  |  |  | |  | | | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | - | - | - | 1 | 6 | 7 | 5 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 16 | 16 | 15 | 14 | 13 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 12 | 12 | 13 |
| Feels °C (?) | 15 | 16 | 17 | 17 | 17 | 18 | 17 | 16 | 16 | 12 | 8 | 3 | 1 | -1 | -1 | 0 | -1 | 0 | 2 | 3 | 5 | 8 | 9 | 10 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
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