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Amatu surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm 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
22.0° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Amatu today?
The current surf forecast for Amatu at 12AM is: 0.6m 12s primary swell from a East-northeast direction and 0.8m 8s secondary swell from a Southwest direction (forecast issued at 08:00pm November 28). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Nov) | - | - |
| Afternoon (29 Nov) | - | - |
| Evening (29 Nov) | 3.5ft (1.0m) | 8s |
Table - waves today at Amatu. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 28 | Saturday 29 | Sunday 30 | Monday 01 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 5 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 191 | 132 | 94 | 93 | 87 | 82 | 79 | 59 | 96 | 98 | 108 | 111 | 99 | 91 | 90 | 79 | 85 | 86 | 86 | 87 | 90 | 96 | 107 | 178 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross- off | off | cross- off | off | off | glass | glass | glass | glass | glass | cross | cross | cross | cross | cross |
High Tide / height (m) | 9:28PM 1.12 | 11:49AM 1.31 | 11:27PM 1.11 | 12:29PM 1.34 | 1:12AM 1.18 | 1:06PM 1.39 | ||||||||||||||||||
Low Tide / height (m) | 4:53PM 0.95 | 4:32AM 0.53 | 6:11PM 0.81 | 5:43AM 0.63 | 7:07PM 0.62 | 6:51AM 0.72 | ||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | Monday 01 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:28 | - | - |
| Sunset | - | - | - | - | - | - | - | 4:27 | - | - | - | - | - | - | - | 4:27 | - | - | - | - | - | - | - | 4:27 |
 | | | |  |  | |  | | |  | | |  | | | | | | |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 14 | 12 | 11 | 11 | 11 | 12 | 12 | 13 | 13 | 12 | 12 | 11 | 12 | 14 | 15 | 13 | 13 | 13 | 13 | 15 | 17 | 19 | 19 |
| Feels °C (?) | 12 | 9 | 6 | 5 | 6 | 6 | 8 | 9 | 10 | 12 | 9 | 9 | 9 | 10 | 12 | 14 | 12 | 11 | 11 | 10 | 10 | 11 | 13 | 13 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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