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Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Thursday 09 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
15.2° C
(Which is 2.6°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: 0.6m 8s primary swell from a Southeast direction and 0.1m 5s secondary swell from a Northeast direction, 1.0m 4s secondary swell from a South direction (forecast issued at 08:00am April 09). The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | 2.5ft (0.7m) | 8s |
| Afternoon (09 Apr) | 2ft (0.6m) | 8s |
| Evening (09 Apr) | 4ft (1.2m) | 5s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | Sun 12 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 8 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 63 | 60 | 60 | 48 | 54 | 66 | 94 | 163 | 244 | 426 | 467 | 753 | 1510 | 1441 | 1549 | 1045 | 433 | 635 | 603 | 589 | 1017 | 475 | 269 | 112 |
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- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross- off | cross | cross |
High Tide / height (m) | 7:06AM 1.17 | 11:15PM 0.94 | 7:40AM 1.09 | 1:22AM 0.99 | 8:55AM 0.99 | 1:59AM 1.06 | ||||||||||||||||||
Low Tide / height (m) | 2:56PM 0.27 | 2:13AM 0.91 | 4:18PM 0.34 | 4:55AM 0.95 | 5:53PM 0.36 | |||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | Sun 12 | |||||||||||||||||||||
| Sunrise | 5:16 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:13 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - | - | 6:07 | - | - | - |
 |  | | | |  | | | | | |  |  |  |  |  | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 5 | 7 | 3 | 1 | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 16 | 16 | 17 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 18 | 19 | 21 | 21 | 19 | 17 | 16 | 15 |
| Feels °C (?) | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 14 | 15 | 14 | 14 | 14 | 17 | 18 | 18 | 14 | 12 | 12 |
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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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