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Surf Forecasts:
Shida surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Wednesday 10 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Shida surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Shida sea temperature is
18.5° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Shida today?
The current surf forecast for Shida at 1AM is: 0.6m 9s primary swell from a East-southeast direction and 0.2m 10s secondary swell from a East-northeast direction, 0.7m 4s secondary swell from a East-northeast direction (forecast issued at 08:00pm December 10). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Dec) | 2ft (0.6m) | 10s |
| Afternoon (11 Dec) | 2ft (0.6m) | 9s |
| Evening (11 Dec) | 6ft (1.9m) | 6s |
Table - waves today at Shida. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| 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 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 11 | 6 | 7 | 7 | 8 | 10 | 6 | 5 | 13 | 12 | 9 | 9 | 10 | 10 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 106 | 73 | 58 | 64 | 63 | 60 | 59 | 59 | 49 | 269 | 331 | 160 | 72 | 62 | 229 | 109 | 93 | 113 | 119 | 114 | 113 | 108 | 104 | 109 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | glass | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | on | on | on | on | on | on | on | on | on | on | on | cross- on |
High Tide / height (m) | 6:51PM 1.28 | 9:33AM 1.29 | 8:01PM 1.14 | 10:13AM 1.29 | 9:42PM 1.03 | 10:52AM 1.30 | ||||||||||||||||||
Low Tide / height (m) | 2:11AM 0.35 | 3:14PM 0.92 | 2:57AM 0.51 | 4:41PM 0.82 | 3:48AM 0.67 | |||||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:37 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:25 | - | - | - | - | - | - | - | 4:25 | - | - | - | - | - | - | - | 4:25 |
 | |  | |  |  | | | | | | | |  | |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 12 | 12 | 12 | 13 | 11 | 10 | 13 | 15 | 15 | 15 | 16 | 11 | 9 | 7 | 7 | 7 | 6 | 5 | 4 | 4 | 4 | 5 | 6 | 6 |
| Feels °C (?) | 7 | 7 | 8 | 10 | 8 | 6 | 9 | 8 | 6 | 5 | 7 | 3 | 2 | -3 | -5 | -4 | -3 | -2 | -2 | -2 | -1 | 1 | 1 | 1 |
- 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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