- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Tuesday 24 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 2.0°C colder than average for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 1AM is: 0.9m 8s primary swell from a East-northeast direction and 0.8m 8s secondary swell from a Southeast direction (forecast issued at 08:00pm March 24). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Mar) | 3.5ft (1.0m) | 8s |
| Afternoon (25 Mar) | 5ft (1.6m) | 6s |
| Evening (25 Mar) | 6.5ft (2.0m) | 7s |
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) (?) | 8 | 8 | 8 | 8 | 8 | 8 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 161 | 126 | 94 | 74 | 54 | 132 | 73 | 150 | 239 | 352 | 422 | 612 | 628 | 663 | 866 | 829 | 1411 | 1137 | 1011 | 971 | 878 | 909 | 865 | 796 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross |
High Tide / height (m) | 9:16PM 1.06 | 7:18AM 1.31 | 11:11PM 0.97 | 7:50AM 1.23 | 8:49AM 1.12 | |||||||||||||||||||
Low Tide / height (m) | 1:30AM 0.85 | 3:08PM 0.12 | 1:46AM 0.94 | 4:34PM 0.22 | ||||||||||||||||||||
Tue 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:33 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:53 | - | - | - | - | - | - | - | 5:54 |
 | | | |  | | |  |  | | | | | | | | | | |  |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | - | 1 | 1 | - | - | - | - |
| Temp. °C | 11 | 12 | 13 | 12 | 13 | 14 | 14 | 13 | 13 | 12 | 13 | 13 | 12 | 12 | 13 | 13 | 11 | 12 | 12 | 12 | 11 | 15 | 15 | 15 |
| Feels °C (?) | 6 | 8 | 9 | 8 | 9 | 9 | 9 | 8 | 8 | 6 | 7 | 6 | 7 | 7 | 8 | 9 | 7 | 9 | 9 | 8 | 7 | 10 | 11 | 11 |
- Map Icons:
Break
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.
Nearest