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Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Thursday 02 Apr 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
16.2° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 3PM is: 2.3m 9s primary swell from a South-southwest direction and 0.1m 14s secondary swell from a Southeast direction (forecast issued at 08:00am April 02). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Apr) | 10ft (3.0m) | 9s |
| Afternoon (02 Apr) | 7.5ft (2.3m) | 9s |
| Evening (02 Apr) | 4.5ft (1.3m) | 9s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 02 | Friday 03 | Saturday 04 | Sun 05 | |||||||||||||||||||||
| 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) (?) | 8 | 9 | 10 | 9 | 9 | 9 | 9 | 9 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1516 | 1286 | 1840 | 904 | 606 | 300 | 163 | 99 | 62 | 44 | 35 | 36 | 41 | 56 | 56 | 135 | 167 | 198 | 263 | 293 | 461 | 753 | 1383 | 2417 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | cross- off | off | cross | cross- on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on |
High Tide / height (m) | 4:31AM 1.34 | 5:05PM 1.36 | 4:51AM 1.36 | 5:42PM 1.34 | 5:11AM 1.36 | 6:17PM 1.29 | ||||||||||||||||||
Low Tide / height (m) | 10:46AM 0.19 | 10:59PM 0.38 | 11:14AM 0.10 | 11:27PM 0.46 | 11:42AM 0.04 | 11:52PM 0.54 | ||||||||||||||||||
Thursday 02 | Friday 03 | Saturday 04 | Sun 05 | |||||||||||||||||||||
| Sunrise | 5:26 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - |
 |  | | |  |  |  |  |  | | | | | | | | | | | | | |  |  | |
Rain (mm) | 5 | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 | - | 6 | 2 |
| Temp. °C | 12 | 13 | 12 | 12 | 12 | 11 | 10 | 10 | 9 | 13 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 17 | 17 | 17 | 18 |
| Feels °C (?) | 11 | 11 | 10 | 8 | 7 | 7 | 6 | 6 | 6 | 11 | 10 | 11 | 12 | 13 | 11 | 11 | 12 | 12 | 11 | 9 | 10 | 10 | 9 | 12 |
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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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