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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Tuesday 14 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
16.2° C
(Which is 2.1°C colder than average for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 8AM is: 1.0m 10s primary swell from a Southeast direction and 0.1m 7s secondary swell from a Southwest direction (forecast issued at 02:00am April 14). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Apr) | 3.5ft (1.0m) | 10s |
| Afternoon (14 Apr) | 3.5ft (1.1m) | 10s |
| Evening (14 Apr) | 3ft (0.9m) | 12s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 14 | Wednesday 15 | Thursday 16 | ||||||||||||||||||||||
| 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 | 12 PM | 3 PM | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 12 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 16 | 16 | 16 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 216 | 212 | 204 | 200 | 234 | 234 | 200 | 228 | 240 | 599 | 464 | 1750 | 1852 | 1909 | 1431 | 1467 | 1389 | 1301 | 1415 | 1299 | 1728 | 1663 | 1437 | 1382 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | off | off | cross- off | cross- off | cross- off | off | off | off | off | off |
High Tide / height (m) | 2:56AM 1.19 | 2:25PM 1.17 | 3:16AM 1.25 | 3:18PM 1.28 | 3:37AM 1.31 | 4:06PM 1.37 | ||||||||||||||||||
Low Tide / height (m) | 8:44AM 0.58 | 8:49PM 0.31 | 9:16AM 0.40 | 9:28PM 0.34 | 9:49AM 0.22 | |||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | ||||||||||||||||||||||
| Sunrise | - | - | 5:11 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - | 5:07 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - | - | - | - | - | 6:12 | - |
 | |  |  | |  | |  | | | |  | | | |  | |  |  | | | | |  | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 9 | 7 | 13 | 10 | 1 | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 18 | 18 | 19 | 18 | 17 | 17 | 17 | 17 | 17 | 15 | 15 | 16 | 16 | 15 | 14 | 15 | 15 | 16 | 15 | 12 | 11 |
| Feels °C (?) | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 15 | 13 | 12 | 15 | 14 | 11 | 7 | 8 | 8 | 9 | 6 | 3 | 3 |
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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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