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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Saturday 18 Apr 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
18.2° C
(Which is normal for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 4PM is: 2.2m 15s primary swell from a South-southeast direction (forecast issued at 08:00am April 18). An open ocean swell of 1.2m 11s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 7ft (2.2m) | 16s |
| Afternoon (18 Apr) | 7ft (2.2m) | 15s |
| Evening (18 Apr) | 7ft (2.2m) | 15s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| 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) (?) | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 15 | 14 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2472 | 2472 | 2243 | 2102 | 2147 | 2042 | 2015 | 2274 | 2346 | 2346 | 2612 | 2704 | 3051 | 3009 | 2903 | 2822 | 2385 | 2158 | 1876 | 1541 | 1413 | 1256 | 1039 | 1064 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross- on | cross- on | cross- on | cross | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | on |
High Tide / height (m) | 4:23AM 1.41 | 5:40PM 1.43 | 4:48AM 1.44 | 6:29PM 1.40 | 5:15AM 1.45 | 7:21PM 1.32 | ||||||||||||||||||
Low Tide / height (m) | 11:01AM -0.08 | 11:15PM 0.61 | 11:39AM -0.15 | 11:49PM 0.72 | 12:20PM -0.16 | 12:23AM 0.82 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tue 21 | |||||||||||||||||||||
| Sunrise | 5:05 | - | - | - | - | - | - | - | 5:05 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:14 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - | - | 6:15 | - | - | - |
 | | |  |  |  |  | | | | | | | | | | | | | | |  | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 17 | 18 | 18 | 18 | 18 | 17 | 17 |
| Feels °C (?) | 15 | 15 | 16 | 15 | 15 | 16 | 17 | 15 | 15 | 16 | 17 | 16 | 14 | 16 | 16 | 14 | 13 | 14 | 16 | 15 | 15 | 15 | 15 | 14 |
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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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