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Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Tuesday 24 Feb 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
15.3° 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 2AM is: 0.3m 15s primary swell from a East-northeast direction and 0.4m 10s secondary swell from a East direction, 0.9m 5s secondary swell from a South direction (forecast issued at 08:00pm February 24). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Feb) | 6.5ft (2.0m) | 7s |
| Afternoon (25 Feb) | 7ft (2.2m) | 8s |
| Evening (25 Feb) | 8ft (2.4m) | 8s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| 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 | 15 | 10 | 6 | 7 | 7 | 8 | 7 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 9 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 33 | 35 | 43 | 49 | 138 | 349 | 547 | 555 | 579 | 767 | 905 | 910 | 1175 | 1358 | 1397 | 1553 | 1336 | 1040 | 994 | 1478 | 1116 | 1435 | 1094 | 418 |
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- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off |
High Tide / height (m) | 10:55PM 0.94 | 8:24AM 1.26 | 9:08AM 1.19 | 4:06AM 1.11 | 11:47AM 1.14 | |||||||||||||||||||
Low Tide / height (m) | 3:31PM 0.23 | 2:01AM 0.88 | 5:00PM 0.25 | 6:46PM 0.21 | 7:36AM 1.07 | |||||||||||||||||||
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - |
| Sunset | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:31 |
 |  |  | | |  |  |  |  | | | | |  | | | | | | | |  | | | |
Rain (mm) | - | - | 1 | 1 | 2 | 3 | 10 | 22 | 7 | 7 | 4 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 15 | 17 | 16 | 17 | 17 | 15 | 11 | 10 | 9 | 9 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 12 | 12 |
| Feels °C (?) | 12 | 14 | 14 | 12 | 13 | 12 | 12 | 5 | 3 | 2 | 1 | -1 | -1 | -1 | -3 | -1 | -1 | 0 | 0 | 2 | 3 | 4 | 8 | 10 |
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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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