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Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Wednesday 03 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
22.6° C
(Which is 2.3°C warmer than normal for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 12PM is: 0.7m 8s primary swell from a Southeast direction and 1.1m 4s secondary swell from a Southwest direction (forecast issued at 08:00am December 03). An open ocean swell of 0.6m 13s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Dec) | 2.5ft (0.7m) | 8s |
| Afternoon (03 Dec) | 4.5ft (1.3m) | 5s |
| Evening (03 Dec) | 13ft (4.0m) | 8s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 03 | Thursday 04 | Friday 05 | Sat 06 | |||||||||||||||||||||
| 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) (?) | 8 | 8 | 8 | 5 | 7 | 8 | 9 | 8 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 42 | 61 | 57 | 92 | 570 | 1957 | 2651 | 1877 | 1149 | 630 | 441 | 547 | 217 | 280 | 421 | 779 | 856 | 686 | 791 | 687 | 276 | 114 | 77 | 51 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | off | off | off |
High Tide / height (m) | 3:32AM 1.38 | 2:17PM 1.49 | 4:27AM 1.46 | 2:54PM 1.54 | 5:18AM 1.50 | 3:32PM 1.58 | ||||||||||||||||||
Low Tide / height (m) | 8:46AM 0.87 | 9:23PM -0.01 | 9:34AM 0.93 | 10:07PM -0.14 | 10:19AM 0.98 | 10:51PM -0.20 | ||||||||||||||||||
Wednesday 03 | Thursday 04 | Friday 05 | Sat 06 | |||||||||||||||||||||
| Sunrise | - | 6:30 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - |
 |  | |  |  |  | | | |  | | | | | | | |  | | | | | | | |
Rain (mm) | - | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 18 | 16 | 16 | 17 | 15 | 13 | 9 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 10 | 11 | 12 | 12 | 10 | 10 | 10 |
| Feels °C (?) | 13 | 9 | 9 | 10 | 4 | 1 | -1 | -5 | 0 | 3 | 4 | 5 | 6 | 6 | 2 | -2 | -3 | -2 | -2 | 1 | 3 | 3 | 5 | 5 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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