- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Wednesday 08 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
14.9° C
(Which is 2.8°C colder than average for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 6AM is: 1.1m 8s primary swell from a South direction and 0.5m 8s secondary swell from a Southeast direction, 0.9m 8s secondary swell from a Northeast direction (forecast issued at 02:00am April 08). The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Apr) | 3ft (0.9m) | 8s |
| Afternoon (08 Apr) | 2ft (0.6m) | 9s |
| Evening (08 Apr) | 2ft (0.6m) | 8s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 08 | Thursday 09 | Friday 10 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 8 | 8 | 8 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 10 | 6 | 6 | 6 | 7 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 493 | 279 | 167 | 109 | 82 | 46 | 45 | 55 | 66 | 53 | 63 | 61 | 49 | 48 | 48 | 43 | 64 | 78 | 163 | 270 | 341 | 458 | 740 | 1123 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- off | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 6:39AM 1.24 | 9:21PM 0.97 | 7:06AM 1.17 | 11:15PM 0.94 | 7:40AM 1.09 | |||||||||||||||||||
Low Tide / height (m) | 1:05AM 0.76 | 1:59PM 0.18 | 1:32AM 0.83 | 2:56PM 0.27 | 2:13AM 0.91 | 4:18PM 0.34 | ||||||||||||||||||
Wednesday 08 | Thursday 09 | Friday 10 | ||||||||||||||||||||||
| Sunrise | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:06 | - |
 |  |  | | | | | | |  |  |  | | | | | |  | | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | - | - | - | 3 | 14 | 4 |
| Temp. °C | 11 | 9 | 8 | 11 | 14 | 14 | 13 | 13 | 14 | 14 | 14 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 16 | 17 | 17 | 17 | 18 | 19 |
| Feels °C (?) | 3 | 1 | 2 | 4 | 10 | 10 | 9 | 9 | 10 | 10 | 9 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 12 | 14 |
- 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