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Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Sunday 30 Nov 2025 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
22.3° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 2PM is: 0.5m 12s primary swell from a East-northeast direction and 0.5m 5s secondary swell from a East direction, 0.6m 5s secondary swell from a Southwest direction (forecast issued at 08:00am November 30). The wind direction is predicted to be glassy.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Nov) | 2ft (0.6m) | 12s |
| Afternoon (30 Nov) | 1.5ft (0.5m) | 12s |
| Evening (30 Nov) | 1.5ft (0.5m) | 12s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 30 | Monday 01 | Tuesday 02 | Wed 03 | |||||||||||||||||||||
| 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) (?) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 13 | 13 | 13 | 13 | 12 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 98 | 90 | 90 | 79 | 86 | 87 | 87 | 87 | 90 | 96 | 144 | 136 | 151 | 156 | 132 | 173 | 113 | 113 | 111 | 106 | 138 | 145 | 147 | 147 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | glass | glass | glass | glass | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | off | off | off | cross- off | cross | cross | cross | cross | cross |
High Tide / height (m) | 12:29PM 1.34 | 1:12AM 1.18 | 1:06PM 1.39 | 2:30AM 1.29 | 1:43PM 1.44 | |||||||||||||||||||
Low Tide / height (m) | 5:43AM 0.63 | 7:07PM 0.62 | 6:51AM 0.72 | 7:54PM 0.40 | 7:53AM 0.81 | 8:39PM 0.18 | ||||||||||||||||||
Sunday 30 | Monday 01 | Tuesday 02 | Wed 03 | |||||||||||||||||||||
| Sunrise | - | 6:26 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - | - | 6:28 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:27 | - | - | - | - | - | - | - | 4:27 | - | - | - | - | - | - | - | 4:27 | - | - | - | - |
 |  | | | | |  | | | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 13 | 14 | 15 | 14 | 13 | 14 | 15 | 17 | 19 | 20 | 19 | 18 | 18 | 17 | 14 | 14 | 15 | 18 | 18 | 16 | 17 | 17 | 16 |
| Feels °C (?) | 8 | 12 | 13 | 14 | 13 | 12 | 12 | 10 | 12 | 13 | 14 | 13 | 13 | 13 | 13 | 11 | 12 | 13 | 17 | 16 | 13 | 14 | 14 | 13 |
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Ocean Swells (m)- Wind Speed (km/h)
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