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Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Saturday 28 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
15.9° C
(Which is 1.3°C colder than average for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 7PM is: 1.3m 9s primary swell from a East direction and 0.5m 11s secondary swell from a Northeast direction (forecast issued at 02:00pm March 28). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Mar) | - | - |
| Afternoon (28 Mar) | 4.5ft (1.4m) | 10s |
| Evening (28 Mar) | 4.5ft (1.3m) | 9s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 363 | 363 | 295 | 287 | 244 | 260 | 273 | 273 | 230 | 217 | 212 | 173 | 169 | 138 | 160 | 163 | 163 | 131 | 128 | 123 | 96 | 98 | 122 | 190 |
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 | cross- off | off | cross- on | cross- on | glass | cross- off | cross | cross- off | off | glass | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:03PM 1.06 | 3:06AM 1.14 | 1:49PM 1.14 | 3:27AM 1.21 | 2:53PM 1.24 | 3:49AM 1.26 | ||||||||||||||||||
Low Tide / height (m) | 7:41PM 0.25 | 8:40AM 0.80 | 8:39PM 0.23 | 9:15AM 0.62 | 9:22PM 0.23 | |||||||||||||||||||
Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:31 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:28 | - |
| Sunset | - | 5:55 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - |
 | |  |  |  | | | | | |  | | | |  | | |  | | | | | |  | |
Rain (mm) | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 16 | 18 | 17 | 15 | 15 | 15 | 14 | 14 | 15 | 17 | 17 | 17 | 16 | 17 | 17 | 17 | 16 |
| Feels °C (?) | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 15 | 17 | 15 | 15 | 14 | 14 | 13 | 13 | 15 | 14 | 14 | 14 | 12 | 13 | 12 | 12 | 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
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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