- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Friday 22 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 12AM is: 0.5m 8s primary swell from a Southwest direction (forecast issued at 08:00pm May 22). An open ocean swell of 2.3m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 May) | - | - |
| Afternoon (23 May) | - | - |
| Evening (23 May) | 2ft (0.6m) | 8s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Sun morning. Warm (max 21°C on Mon morning, min 13°C on Fri night). Winds decreasing (strong winds from the NNE on Fri night, light winds from the ENE by Sun night). | ||||||||||||||||||||||||
Fri 22 | Saturday 23 | Sunday 24 | Monday 25 | |||||||||||||||||||||
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 | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | WSW 7 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | |
91 | 48 | 29 | 20 | 14 | 9 | 8 | 5 | 724 | 654 | 587 | 529 | 319 | 550 | 262 | 306 | 217 | 192 | 209 | 215 | 223 | 200 | 205 | 215 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-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 | cross-off | off | off | 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 | |||||||||||||||||||
 |  | | | | | |  | |  | | | |  | | | | | |  |  | | | | |
 | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — | — | — | — | 4:31 | — | — | — | — |
 | 6:40 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | 6:43 |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 13 | 13 | 13 | 14 | 14 | 16 | 17 | 18 | 18 | 18 | 19 | 18 | 18 | 18 | 19 | 20 | 20 | 20 | 20 | 19 | 19 | 20 | 21 | 21 |
4 | 4 | 5 | 7 | 8 | 10 | 12 | 13 | 13 | 14 | 16 | 16 | 17 | 16 | 16 | 18 | 18 | 19 | 20 | 19 | 18 | 19 | 21 | 20 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | WSW 7 | SSW 7 | — | SE 12 | SE 12 | E 10 | SW 7 | E 10 | E 10 | E 9 | SE 7 | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 |
 kJ | 91 | 48 | 29 | 20 | 14 | 9 | 8 | 5 | 4 | — | 6 | 6 | 319 | 2 | 262 | 306 | 217 | 192 | 209 | 215 | 223 | 200 | 205 | 215 |
Swell 2 Height (m) Direction Period (s) | NW 6 | — | — | SSE 7 | SSE 8 | S 7 | S 7 | S 7 | — | — | SW 7 | SE 12 | SW 7 | — | ESE 10 | ESE 10 | ESE 10 | ENE 9 | ENE 9 | ENE 9 | E 10 | ENE 10 | ENE 11 | ENE 11 |
| kJ | 2 | — | — | 5 | 6 | 4 | 4 | 4 | — | — | 2 | 6 | 2 | — | 10 | 10 | 11 | 216 | 216 | 225 | 184 | 236 | 240 | 210 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | SW 7 | SW 7 | — | — | — | — | — | ESE 11 | ESE 11 | ESE 11 | E 16 | E 16 | E 16 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | — | 12 | 12 | 12 | 5 | 5 | 5 |
Wind waves Height (m) Direction Period (s) | NE 8 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 10 | E 10 | E 10 | E 10 | SE 6 | E 10 | SE 6 | SE 7 | SE 7 | — | — | — | ENE 9 | — | — | — |
| kJ | 754 | 904 | 880 | 817 | 799 | 885 | 831 | 807 | 724 | 654 | 587 | 529 | 62 | 550 | 116 | 128 | 164 | — | — | — | 314 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 153 | 153 | 563 | 767 | 808 | 808 | 14 | 14 | 14 | 563 | 14 | 14 | 0 | 14 | 14 | 47 | 47 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Chiba | ||||||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
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.
Nearest