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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm 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
15.2° C
(Which is 2.3°C colder than average for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 3AM is: 1.2m 5s primary swell from a South-southwest direction and 0.1m 11s secondary swell from a Southeast direction (forecast issued at 08:00pm March 30). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | 5ft (1.6m) | 6s |
| Afternoon (31 Mar) | 13ft (4.0m) | 9s |
| Evening (31 Mar) | 18ft (5.5m) | 11s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Mon 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | |||||||||||||||||||||
| 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 | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 4 | 5 | 5 | 5 | 5 | 6 | 7 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 8 | 9 | 9 | 7 | 7 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 32 | 53 | 67 | 77 | 90 | 166 | 753 | 2615 | 5262 | 6367 | 4174 | 3438 | 1246 | 800 | 542 | 361 | 246 | 183 | 132 | 99 | 86 | 154 | 196 | 280 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 3:54AM 1.27 | 3:43PM 1.30 | 4:11AM 1.31 | 4:26PM 1.34 | 4:30AM 1.36 | |||||||||||||||||||
Low Tide / height (m) | 9:21PM 0.21 | 9:47AM 0.45 | 9:55PM 0.25 | 10:16AM 0.30 | 10:26PM 0.32 | 10:45AM 0.17 | ||||||||||||||||||
Mon 30 | Tuesday 31 | Wednesday 01 | Thursday 02 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:30 | - | - | - | - | - | - | - | 5:28 | - | - | - | - | - | - | - | 5:26 | - | - | - |
| Sunset | - | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - |
 |  | | |  |  |  | | |  |  | |  | | | | |  |  |  | | | | | |
Rain (mm) | - | - | - | - | - | 3 | 6 | 5 | 1 | 1 | - | - | - | - | - | 1 | 6 | 10 | 11 | 1 | - | - | - | - |
| Temp. °C | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 18 | 18 | 19 | 18 | 15 | 15 | 14 | 14 | 14 | 13 | 14 | 12 | 11 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 12 | 12 | 12 | 12 | 11 | 9 | 7 | 5 | 7 | 10 | 11 | 12 | 11 | 7 | 7 | 8 | 9 | 11 | 5 | 3 | 3 | 4 | 4 | 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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