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Surf Forecasts:
Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Tuesday 07 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
15.5° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 2PM is: 1.1m 6s primary swell from a Southwest direction and 0.7m 9s secondary swell from a Southeast direction, 0.1m 13s secondary swell from a South direction (forecast issued at 08:00am April 07). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Apr) | 5ft (1.6m) | 6s |
| Afternoon (07 Apr) | 2.5ft (0.7m) | 9s |
| Evening (07 Apr) | 6ft (1.9m) | 9s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 07 | Wednesday 08 | Thursday 09 | Fri 10 | |||||||||||||||||||||
| 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) (?) | 6 | 6 | 6 | 9 | 6 | 9 | 9 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 91 | 177 | 115 | 79 | 86 | 562 | 430 | 279 | 136 | 86 | 260 | 40 | 47 | 44 | 47 | 46 | 53 | 51 | 44 | 48 | 48 | 49 | 61 | 56 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 6:15AM 1.29 | 8:17PM 1.05 | 6:39AM 1.24 | 9:21PM 0.97 | 7:06AM 1.17 | 11:15PM 0.94 | ||||||||||||||||||
Low Tide / height (m) | 1:17PM 0.10 | 1:05AM 0.76 | 1:59PM 0.18 | 1:32AM 0.83 | 2:56PM 0.27 | 2:13AM 0.91 | ||||||||||||||||||
Tuesday 07 | Wednesday 08 | Thursday 09 | Fri 10 | |||||||||||||||||||||
| Sunrise | 5:18 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:06 | - | - | - |
 | |  | | |  |  | |  | | | | |  | | | |  | | | | | | | |
Rain (mm) | - | - | 3 | 4 | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 17 | 15 | 14 | 14 | 15 | 11 | 9 | 9 | 8 | 11 | 13 | 13 | 12 | 13 | 13 | 14 | 14 | 16 | 16 | 16 | 16 | 16 | 15 | 15 |
| Feels °C (?) | 12 | 10 | 10 | 10 | 12 | 4 | 4 | 3 | 3 | 6 | 9 | 8 | 8 | 9 | 9 | 10 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 10 |
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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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