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Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Thursday 26 Mar 2026 JSTForecast update in hr min s Forecast update imminent
Amatu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Amatu sea temperature is
15.0° C
(Which is 2.2°C colder than average for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 3AM is: 2.5m 9s primary swell from a East-southeast direction and 0.4m 10s secondary swell from a Northeast direction, 1.0m 11s secondary swell from a Northeast direction (forecast issued at 08:00pm March 26). The wind direction is predicted to be offshore and the swell rating is 4.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Mar) | 7.5ft (2.3m) | 9s |
| Afternoon (27 Mar) | 6.5ft (2.0m) | 9s |
| Evening (27 Mar) | 6ft (1.8m) | 9s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thu 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1100 | 1092 | 1392 | 1221 | 1090 | 865 | 808 | 646 | 575 | 509 | 455 | 422 | 408 | 426 | 434 | 371 | 307 | 288 | 282 | 244 | 205 | 246 | 207 | 205 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | off | off | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | glass | cross- on | on | on | cross- on | cross- on | glass | glass | glass | cross- off | cross- on | cross- on |
High Tide / height (m) | 8:49AM 1.12 | 2:49AM 1.08 | 12:03PM 1.06 | 3:06AM 1.14 | 1:49PM 1.14 | |||||||||||||||||||
Low Tide / height (m) | 4:34PM 0.22 | 6:17PM 0.26 | 7:46AM 0.96 | 7:41PM 0.25 | 8:40AM 0.80 | |||||||||||||||||||
Thu 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:33 | - | - | - | - | - | - | - | 5:33 | - | - | - | - | - | - | - | 5:31 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:55 | - | - | - | - | - | - | - | 5:57 |
 | |  |  |  | | |  | | |  | |  |  | | | | |  | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - | - | 1 | - | - | - | - | - |
| Temp. °C | 13 | 12 | 12 | 11 | 10 | 13 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 15 | 17 | 17 |
| Feels °C (?) | 8 | 8 | 8 | 7 | 6 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 11 | 13 | 12 | 11 | 12 | 12 | 13 | 12 | 13 | 15 | 15 |
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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
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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