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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Saturday 06 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
22.4° C
(Which is 2.2°C warmer than normal for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 10AM is: 0.5m 7s primary swell from a Southwest direction and 0.4m 9s secondary swell from a Southeast direction (forecast issued at 08:00am December 06). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Dec) | 1.5ft (0.4m) | 9s |
| Afternoon (06 Dec) | 1.5ft (0.4m) | 9s |
| Evening (06 Dec) | 1.5ft (0.4m) | 9s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 06 | Sunday 07 | Monday 08 | Tue 09 | |||||||||||||||||||||
| 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) (?) | 7 | 9 | 9 | 9 | 9 | 9 | 9 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 32 | 23 | 20 | 20 | 22 | 20 | 29 | 92 | 133 | 160 | 115 | 293 | 250 | 331 | 258 | 173 | 83 | 204 | 210 | 342 | 527 | 407 | 440 | 81 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | cross- off | cross | cross- on | on | on | on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- off | off | off |
High Tide / height (m) | 6:08AM 1.49 | 4:11PM 1.58 | 6:56AM 1.45 | 4:52PM 1.56 | 7:42AM 1.39 | 5:34PM 1.49 | ||||||||||||||||||
Low Tide / height (m) | 11:01AM 1.01 | 11:35PM -0.19 | 11:42AM 1.02 | 12:20AM -0.13 | 12:24PM 1.01 | 1:05AM -0.02 | ||||||||||||||||||
Saturday 06 | Sunday 07 | Monday 08 | Tue 09 | |||||||||||||||||||||
| Sunrise | - | 6:33 | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - |
| Sunset | - | - | - | 4:28 | - | - | - | - | - | - | - | 4:29 | - | - | - | - | - | - | - | 4:29 | - | - | - | - |
 |  |  | | | | | | |  | | | | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 10 | 12 | 12 | 13 | 14 | 13 | 13 | 14 | 13 | 12 | 13 | 14 | 14 | 14 | 13 | 14 | 14 | 16 | 17 | 16 | 15 | 13 | 12 |
| Feels °C (?) | 3 | 5 | 9 | 9 | 10 | 8 | 5 | 4 | 4 | 5 | 7 | 9 | 11 | 11 | 11 | 9 | 10 | 6 | 6 | 5 | 5 | 9 | 6 | 5 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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