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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Monday 30 Mar 2026 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
15.1° C
(Which is 2.4°C colder than average for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 4PM is: 0.7m 5s primary swell from a Southwest direction and 0.1m 12s secondary swell from a Southeast direction (forecast issued at 08:00am March 30). An open ocean swell of 0.7m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Mar) | 1.5ft (0.4m) | 4s |
| Afternoon (30 Mar) | 2ft (0.6m) | 5s |
| Evening (30 Mar) | 3.5ft (1.0m) | 5s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 30 | Tuesday 31 | Wednesday 01 | Thu 02 | |||||||||||||||||||||
| 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) (?) | 9 | 4 | 4 | 5 | 4 | 5 | 5 | 5 | 5 | 6 | 7 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 8 | 7 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 108 | 6 | 8 | 15 | 32 | 46 | 64 | 70 | 117 | 301 | 1033 | 3509 | 6432 | 6206 | 4378 | 2418 | 2015 | 842 | 499 | 327 | 217 | 138 | 147 | 91 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | glass | cross- on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | off | off | off | off | off | cross- off | cross | cross- off |
High Tide / height (m) | 3:37AM 1.22 | 2:55PM 1.21 | 3:54AM 1.27 | 3:43PM 1.30 | 4:11AM 1.31 | 4:26PM 1.34 | ||||||||||||||||||
Low Tide / height (m) | 9:18AM 0.62 | 9:21PM 0.21 | 9:47AM 0.45 | 9:55PM 0.25 | 10:16AM 0.30 | 10:26PM 0.32 | ||||||||||||||||||
Monday 30 | Tuesday 31 | Wednesday 01 | Thu 02 | |||||||||||||||||||||
| Sunrise | 5:31 | - | - | - | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 5:59 | - | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - |
 |  | | |  | |  | |  | |  | | |  |  | | | | | | |  | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 4 | 10 | 3 | 2 | 3 | - | - | - | - | - | 1 | 2 | 6 | 8 | 5 |
| Temp. °C | 14 | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 15 | 16 | 17 | 18 | 18 | 17 | 16 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 12 |
| Feels °C (?) | 13 | 15 | 14 | 12 | 12 | 13 | 12 | 12 | 10 | 8 | 6 | 4 | 6 | 9 | 10 | 15 | 10 | 7 | 7 | 7 | 9 | 13 | 14 | 7 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mera surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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