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Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Friday 28 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
21.4° C
(Which is slightly warmer than usual)How big are the waves at Amatu today?
The current surf forecast for Amatu at 8AM is: 1.9m 7s primary swell from a Southwest direction and 0.6m 8s secondary swell from a East-northeast direction, 0.5m 11s secondary swell from a Southeast direction (forecast issued at 02:00am November 28). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Nov) | 7ft (2.1m) | 7s |
| Afternoon (28 Nov) | 5ft (1.5m) | 8s |
| Evening (28 Nov) | 3ft (0.9m) | 8s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||||
| 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 | 9 | 6 | 7 | 8 | 8 | 8 | 8 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 137 | 108 | 193 | 382 | 470 | 284 | 169 | 115 | 94 | 93 | 87 | 82 | 79 | 60 | 82 | 98 | 109 | 111 | 99 | 78 | 78 | 81 | 86 | 87 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | glass | off | cross- off | cross- off | off | glass | glass | glass | glass |
High Tide / height (m) | 11:04AM 1.28 | 9:28PM 1.12 | 11:49AM 1.31 | 11:27PM 1.11 | 12:29PM 1.34 | |||||||||||||||||||
Low Tide / height (m) | 3:27AM 0.43 | 4:53PM 0.95 | 4:32AM 0.53 | 6:11PM 0.81 | 5:43AM 0.63 | 7:07PM 0.62 | ||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - |
| Sunset | - | - | - | - | - | 4:28 | - | - | - | - | - | - | - | 4:27 | - | - | - | - | - | - | - | 4:27 | - | - |
 |  |  |  | | | |  |  | | |  | |  | | | | | | | | | | | |
Rain (mm) | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | 1 | - | - | 1 | - | - | - | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 17 | 18 | 15 | 13 | 12 | 11 | 11 | 11 | 12 | 13 | 13 | 14 | 13 | 12 | 12 | 13 | 14 | 15 | 13 | 13 |
| Feels °C (?) | 12 | 11 | 11 | 9 | 13 | 14 | 11 | 9 | 6 | 5 | 6 | 6 | 8 | 9 | 10 | 13 | 11 | 10 | 10 | 11 | 12 | 14 | 12 | 12 |
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Ocean Swells (m)- Wind Speed (km/h)
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