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Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Saturday 19 Jul 2025 JST
How big are the waves at Amatu today?
The current surf forecast for Amatu at 3PM is: 1.3m 10s primary swell from a Southeast direction and 0.4m 6s secondary swell from a Southwest direction (forecast issued at 08:00am July 19). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | 4.5ft (1.3m) | 10s |
| Afternoon (19 Jul) | 4.5ft (1.3m) | 10s |
| Evening (19 Jul) | 4.5ft (1.3m) | 9s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Saturday 19 | Sunday 20 | Monday 21 | Tue 22 | |||||||||||||||||||||
| 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 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 318 | 328 | 321 | 308 | 319 | 303 | 298 | 284 | 248 | 239 | 210 | 243 | 209 | 253 | 211 | 185 | 189 | 184 | 248 | 190 | 220 | 214 | 232 | 231 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:11PM 1.10 | 10:29PM 1.36 | 2:33PM 1.18 | 11:31PM 1.37 | 3:49PM 1.29 | 12:50AM 1.39 | ||||||||||||||||||
Low Tide / height (m) | 5:10AM 0.49 | 4:16PM 0.98 | 6:29AM 0.37 | 5:47PM 1.12 | 7:40AM 0.24 | 7:48PM 1.17 | ||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tue 22 | |||||||||||||||||||||
| Sunrise | 4:37 | - | - | - | - | - | - | - | 4:37 | - | - | - | - | - | - | - | 4:39 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:51 | - | - | - | - | - | - | - | 6:51 | - | - | - |
 | | | | |  | |  |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 27 | 28 | 28 | 26 | 26 | 26 | 25 | 25 | 27 | 28 | 28 | 26 | 25 | 25 | 25 | 25 | 27 | 28 | 28 | 26 | 26 | 26 | 25 |
| Feels °C (?) | 29 | 29 | 30 | 30 | 28 | 29 | 29 | 28 | 28 | 29 | 30 | 29 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 28 | 29 | 29 | 27 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Chiba
The wind is still cross-on at Amatu (light winds from the SSW at Katsuura 11 km from Amatu). A 1.1m swell from the SE
1 h 7 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Amatu surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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