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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 pm Saturday 21 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
15.7° C
(Which is 1.5°C colder than average for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 11PM is: 0.7m 4s primary swell from a South-southwest direction and 0.2m 5s secondary swell from a East direction (forecast issued at 02:00pm March 21). An open ocean swell of 0.7m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | - | - |
| Afternoon (21 Mar) | 1.5ft (0.5m) | 6s |
| Evening (21 Mar) | 1.5ft (0.5m) | 3s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| 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 | 6 AM | 9 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 6 | 6 | 3 | 4 | 16 | 16 | 3 | 4 | 15 | 4 | 4 | 15 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 33 | 21 | 7 | 4 | 12 | 25 | 25 | 7 | 7 | 22 | 8 | 8 | 21 | 53 | 71 | 142 | 227 | 256 | 294 | 286 | 423 | 390 | 362 | 320 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross | on | on | on | on | on | on | on | glass | cross- off | off | off | cross- off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:22PM 1.40 | 5:56AM 1.42 | 7:10PM 1.32 | 6:18AM 1.42 | 8:05PM 1.20 | 6:41AM 1.38 | ||||||||||||||||||
Low Tide / height (m) | 11:59AM 0.05 | 12:09AM 0.48 | 12:36PM 0.00 | 12:38AM 0.63 | 1:17PM 0.00 | 1:05AM 0.77 | ||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 5:43 | - | - | - | - | - | - | - | 5:41 | - | - | - | - | - | - | - | 5:39 | - |
| Sunset | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - |
 | |  | |  |  | | |  | |  | | | |  | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | 1 | 2 | 5 | 8 | 4 | - | - | - | - | - |
| Temp. °C | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 11 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 10 | 11 | 11 | 12 | 12 | 12 | 12 | 12 |
| Feels °C (?) | 6 | 6 | 6 | 7 | 8 | 9 | 9 | 8 | 8 | 8 | 8 | 9 | 10 | 8 | 9 | 10 | 7 | 9 | 9 | 9 | 8 | 3 | 3 | 4 |
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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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