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Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Wednesday 01 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
16.3° C
(Which is 1.0°C colder than average for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 4PM is: 1.6m 8s primary swell from a South-southeast direction and 0.9m 10s secondary swell from a Southwest direction (forecast issued at 08:00am April 01). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Apr) | 6.5ft (2.0m) | 8s |
| Afternoon (01 Apr) | 5ft (1.6m) | 8s |
| Evening (01 Apr) | 4.5ft (1.4m) | 8s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 01 | Thursday 02 | Friday 03 | Sat 04 | |||||||||||||||||||||
| 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 | 0 AM | 3 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 9 | 9 | 10 | 9 | 10 | 10 | 9 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1039 | 579 | 414 | 322 | 162 | 220 | 214 | 434 | 2202 | 940 | 1196 | 1088 | 625 | 399 | 192 | 117 | 78 | 58 | 42 | 55 | 60 | 48 | 57 | 101 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | glass | cross- off | cross | cross- off | cross- off | cross- on | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- on | cross- on | on | on | on | cross- on |
High Tide / height (m) | 4:10AM 1.31 | 4:26PM 1.35 | 4:31AM 1.34 | 5:05PM 1.36 | 4:51AM 1.36 | 5:42PM 1.34 | ||||||||||||||||||
Low Tide / height (m) | 10:17AM 0.31 | 10:30PM 0.31 | 10:46AM 0.19 | 10:59PM 0.38 | 11:14AM 0.10 | 11:27PM 0.46 | ||||||||||||||||||
Wednesday 01 | Thursday 02 | Friday 03 | Sat 04 | |||||||||||||||||||||
| Sunrise | 5:26 | - | - | - | - | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 5:59 | - | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - |
 | |  |  |  | | |  |  | | | | |  |  |  | | | | | | | | | |
Rain (mm) | - | - | - | 3 | 4 | 3 | 5 | 7 | 13 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 18 | 15 | 13 | 13 | 14 | 15 | 12 | 12 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 9 | 13 | 14 | 14 | 14 | 15 | 16 | 16 |
| Feels °C (?) | 15 | 19 | 10 | 8 | 8 | 12 | 14 | 8 | 10 | 11 | 9 | 10 | 8 | 4 | 4 | 5 | 4 | 10 | 10 | 10 | 10 | 11 | 11 | 11 |
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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
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