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Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Saturday 23 May 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
21.4° C
(Which is normal for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 8AM is: 0.4m 7s primary swell from a Southwest direction and 0.2m 7s secondary swell from a South-southeast direction (forecast issued at 02:00am May 23). An open ocean swell of 2.2m 10s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | 1ft (0.3m) | 7s |
| Afternoon (23 May) | 0.5ft (0.2m) | 7s |
| Evening (23 May) | 6ft (1.8m) | 10s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Sat night. Warm (max 21°C on Mon morning, min 15°C on Sat morning). Winds decreasing (fresh winds from the NE on Sat morning, light winds from the NE by Mon night). | ||||||||||||||||||||||||
Saturday 23 | Sunday 24 | Monday 25 | ||||||||||||||||||||||
12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SSW 7 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 9 | ESE 7 | E 9 | E 9 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | |
29 | 20 | 14 | 8 | 8 | 5 | 739 | 587 | 522 | 529 | 539 | 551 | 506 | 285 | 246 | 198 | 231 | 221 | 221 | 244 | 294 | 264 | 219 | 187 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | |
High Tide | 10:18PM1.18m | 8:06AM1.14m | 11:11PM1.16m | 9:52AM1.03m | 11:56PM1.16m | 12:00PM1.00m | ||||||||||||||||||
Low Tide | 3:10AM0.92m | 3:43PM0.30m | 4:51AM0.84m | 4:48PM0.45m | 6:23AM0.70m | 5:55PM0.58m | ||||||||||||||||||
 | |  | | | | | | |  |  | | |  | | | |  | | | |  | | | |
 | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — |
— | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 13 | 15 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 19 | 20 | 20 | 20 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 21 |
5 | 7 | 6 | 8 | 12 | 13 | 13 | 13 | 15 | 16 | 16 | 17 | 17 | 18 | 18 | 19 | 18 | 18 | 18 | 19 | 21 | 21 | 20 | 22 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SSW 7 | — | — | SE 12 | SE 12 | SW 7 | SW 7 | ESE 10 | ESE 10 | E 9 | E 9 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 |
 kJ | 29 | 20 | 14 | 8 | 8 | 5 | — | — | 6 | 6 | 2 | 2 | 20 | 20 | 246 | 186 | 231 | 221 | 221 | 244 | 294 | 264 | 219 | 187 |
Swell 2 Height (m) Direction Period (s) | — | SSE 8 | SSE 7 | SSE 7 | — | — | — | — | — | SW 7 | SW 7 | SW 7 | SW 6 | ESE 10 | ESE 10 | E 16 | E 16 | ESE 11 | ESE 11 | E 16 | ENE 11 | ENE 11 | ENE 11 | ENE 11 |
| kJ | — | 6 | 5 | 5 | — | — | — | — | — | 2 | 2 | 2 | 2 | 19 | 10 | 5 | 5 | 12 | 12 | 5 | 245 | 210 | 254 | 210 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | E 16 | E 16 | E 16 | — | SW 9 | SSW 9 | SSW 8 | SSW 8 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 5 | 5 | — | 3 | 8 | 14 | 19 |
Wind waves Height (m) Direction Period (s) | NE 9 | ENE 9 | ENE 9 | ENE 10 | ENE 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | ESE 10 | ESE 9 | ESE 7 | SE 7 | SE 7 | ENE 9 | ENE 9 | ENE 9 | ENE 11 | ENE 10 | — | — | — |
| kJ | 880 | 782 | 799 | 851 | 867 | 825 | 739 | 587 | 522 | 529 | 539 | 551 | 506 | 285 | 153 | 198 | 243 | 248 | 259 | 337 | 478 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 563 | 767 | 808 | 820 | 14 | 14 | 14 | 563 | 14 | 14 | 0 | 14 | 14 | 47 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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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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