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Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Tuesday 02 Dec 2025 JSTForecast update in hr min s Forecast update imminent
Mera surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mera sea temperature is
23.1° C
(Which is 2.7°C warmer than normal for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 11AM is: 0.4m 10s primary swell from a Southeast direction and 0.6m 5s secondary swell from a Southwest direction, 0.8m 5s secondary swell from a West-southwest direction (forecast issued at 08:00am December 02). An open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Dec) | 1.5ft (0.4m) | 10s |
| Afternoon (02 Dec) | 1.5ft (0.4m) | 10s |
| Evening (02 Dec) | 1.5ft (0.4m) | 10s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 02 | Wednesday 03 | Thursday 04 | Fri 05 | |||||||||||||||||||||
| 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) (?) | 5 | 10 | 10 | 10 | 10 | 10 | 10 | 8 | 8 | 8 | 9 | 6 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 47 | 28 | 28 | 28 | 27 | 27 | 49 | 35 | 42 | 50 | 74 | 270 | 990 | 2352 | 2335 | 1966 | 994 | 474 | 233 | 424 | 267 | 555 | 694 | 726 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | off | cross | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 1:41PM 1.42 | 3:32AM 1.38 | 2:17PM 1.49 | 4:27AM 1.46 | 2:54PM 1.54 | |||||||||||||||||||
Low Tide / height (m) | 7:52AM 0.79 | 8:40PM 0.16 | 8:46AM 0.87 | 9:23PM -0.01 | 9:34AM 0.93 | 10:07PM -0.14 | ||||||||||||||||||
Tuesday 02 | Wednesday 03 | Thursday 04 | Fri 05 | |||||||||||||||||||||
| Sunrise | - | 6:28 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - |
 |  | | |  | |  | | |  |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 17 | 17 | 15 | 14 | 10 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 9 |
| Feels °C (?) | 13 | 13 | 14 | 16 | 16 | 15 | 14 | 14 | 12 | 11 | 11 | 11 | 4 | -1 | 1 | -2 | 2 | 3 | 2 | 4 | 5 | 4 | 0 | -4 |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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