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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 am Monday 13 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
15.8° 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 1PM is: 0.6m 9s primary swell from a East-southeast direction and 0.8m 5s secondary swell from a Southeast direction (forecast issued at 08:00am April 13). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Apr) | 1.5ft (0.5m) | 10s |
| Afternoon (13 Apr) | 2ft (0.6m) | 9s |
| Evening (13 Apr) | 3.5ft (1.0m) | 11s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 13 | Tuesday 14 | Wednesday 15 | Thu 16 | |||||||||||||||||||||
| 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) (?) | 11 | 10 | 9 | 9 | 10 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 12 | 12 | 12 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 15 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 75 | 52 | 56 | 56 | 85 | 220 | 216 | 212 | 204 | 212 | 234 | 272 | 314 | 400 | 421 | 486 | 464 | 1523 | 1892 | 1982 | 2120 | 1859 | 2560 | 2491 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- on | glass |
High Tide / height (m) | 1:18PM 1.05 | 2:56AM 1.19 | 2:25PM 1.17 | 3:16AM 1.25 | 3:18PM 1.28 | |||||||||||||||||||
Low Tide / height (m) | 8:11AM 0.75 | 8:05PM 0.31 | 8:44AM 0.58 | 8:49PM 0.31 | 9:16AM 0.40 | 9:28PM 0.34 | ||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thu 16 | |||||||||||||||||||||
| Sunrise | 5:11 | - | - | - | - | - | - | - | 5:11 | - | - | - | - | - | - | - | 5:09 | - | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:10 | - | - | - | - | - | - | - | 6:12 | - | - | - |
 | | | |  |  | | | |  | | | | | |  | | | | | |  |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 1 |
| Temp. °C | 17 | 18 | 19 | 18 | 18 | 18 | 17 | 17 | 16 | 17 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 17 |
| Feels °C (?) | 16 | 17 | 18 | 16 | 17 | 18 | 17 | 16 | 15 | 15 | 16 | 15 | 14 | 15 | 16 | 15 | 16 | 15 | 17 | 17 | 18 | 17 | 18 | 18 |
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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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