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Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Thursday 19 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
15.6° C
(Which is slightly cooler than normal)How big are the waves at Amatu today?
The current surf forecast for Amatu at 11PM is: 0.4m 16s primary swell from a East-northeast direction and 0.5m 12s secondary swell from a East direction (forecast issued at 02:00pm February 19). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Feb) | - | - |
| Afternoon (19 Feb) | 2ft (0.6m) | 12s |
| Evening (19 Feb) | 2ft (0.6m) | 12s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 16 | 12 | 15 | 15 | 14 | 14 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 13 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 103 | 103 | 103 | 103 | 83 | 104 | 79 | 155 | 146 | 189 | 184 | 192 | 192 | 142 | 119 | 117 | 82 | 82 | 89 | 81 | 80 | 75 | 75 | 73 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | glass | cross- off | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | glass | glass | glass | cross- off | cross- off | cross- on | cross- on |
High Tide / height (m) | 5:41PM 1.44 | 6:28AM 1.37 | 6:23PM 1.39 | 6:50AM 1.37 | 7:08PM 1.31 | 7:12AM 1.35 | ||||||||||||||||||
Low Tide / height (m) | 11:49AM 0.41 | 12:09AM 0.10 | 12:22PM 0.32 | 12:38AM 0.24 | 12:58PM 0.25 | 1:06AM 0.40 | ||||||||||||||||||
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:20 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 |
| Sunset | - | 5:23 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:25 | - | - | - | - | - | - |
 | |  | | |  | |  | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 9 | 8 | 8 | 7 | 6 | 5 | 6 | 9 | 10 | 9 | 9 | 8 | 7 | 7 | 9 | 12 | 13 | 12 | 11 | 11 | 10 | 10 | 12 |
| Feels °C (?) | 3 | 5 | 5 | 5 | 4 | 2 | 0 | 1 | 4 | 7 | 6 | 6 | 4 | 3 | 3 | 5 | 9 | 11 | 10 | 9 | 9 | 8 | 7 | 7 |
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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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