- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 2 am Wednesday 29 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
20.9° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Mera today?
The current surf forecast for Mera at 10AM is: 1.4m 6s primary swell from a Southwest direction and 0.4m 9s secondary swell from a East direction (forecast issued at 02:00am April 29). The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Apr) | 5ft (1.6m) | 6s |
| Afternoon (29 Apr) | 4.5ft (1.3m) | 6s |
| Evening (29 Apr) | 2.5ft (0.8m) | 6s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 73mm), heaviest during Fri morning. Very mild (max 19°C on Fri morning, min 13°C on Wed night). Mainly near gales. | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 1 | ||||||||||||||||||||||
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 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | E 6 | E 6 | E 6 | SE 8 | SW 6 | ESE 6 | SE 6 | SE 7 | SE 8 | SSE 8 | SSE 9 | SE 9 | SW 8 | |
178 | 209 | 219 | 206 | 98 | 116 | 73 | 51 | 35 | 23 | 18 | 206 | 163 | 112 | 9 | 1 | 223 | 287 | 689 | 1318 | 1320 | 1405 | 718 | 1287 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross | cross | cross-off | cross-off | cross-off | off | off | off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | on | cross-off | glassy | on | on | |
High Tide | 2:50AM1.26m | 3:41PM1.23m | 3:12AM1.32m | 4:23PM1.29m | 3:34AM1.37m | 5:02PM1.31m | ||||||||||||||||||
Low Tide | 9:18AM0.29m | 9:18PM0.54m | 9:49AM0.15m | 9:52PM0.60m | 10:19AM0.05m | |||||||||||||||||||
 | |  | |  | | |  |  | |  | | | | | | |  |  | | | | |  | |
 | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:24 | — |
— | — | — | — | — | — | — | — | 2 | 3 | 2 | — | — | 1 | — | 2 | 5 | 7 | 24 | 25 | 2 | — | — | — | |
Temp °C | 19 | 19 | 19 | 18 | 18 | 18 | 16 | 16 | 14 | 14 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 17 | 17 | 19 | 15 | 16 | 18 | 17 |
13 | 13 | 14 | 17 | 18 | 18 | 10 | 11 | 8 | 9 | 8 | 8 | 9 | 10 | 10 | 11 | 13 | 12 | 14 | 18 | 11 | 16 | 14 | 7 | |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SE 8 | SW 6 | SW 6 | E 8 | E 12 | E 12 | SSE 8 | SSE 9 | SE 9 | SE 9 |
 kJ | 26 | 27 | 26 | 152 | 98 | 73 | 73 | 51 | 35 | 23 | 18 | 9 | 5 | 5 | 9 | 1 | 1 | 1 | 3 | 3 | 1320 | 1405 | 718 | 427 |
Swell 2 Height (m) Direction Period (s) | SE 11 | SE 11 | SE 11 | E 9 | E 9 | E 9 | SE 11 | SE 8 | SE 8 | SE 8 | SSE 8 | S 12 | SE 9 | SSE 10 | SW 6 | SW 6 | — | E 13 | NE 12 | NE 13 | E 13 | NE 13 | NE 11 | NE 12 |
| kJ | 5 | 5 | 5 | 25 | 25 | 14 | 5 | 3 | 3 | 3 | 7 | 3 | 3 | 9 | 1 | 1 | — | 3 | 5 | 7 | 3 | 6 | 4 | 6 |
Swell 3 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | SE 11 | SE 11 | NE 8 | S 13 | SE 11 | SE 11 | S 12 | S 12 | S 12 | S 12 | S 12 | SE 9 | — | NE 13 | E 11 | NE 14 | — | NE 10 | NE 8 | NE 12 | — |
| kJ | 4 | 4 | 3 | 5 | 5 | 3 | 3 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | — | 7 | 2 | 7 | — | 4 | 3 | 6 | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | — | SW 6 | ENE 9 | ENE 5 | ENE 6 | ENE 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 | ESE 6 | SE 6 | SE 7 | SE 8 | — | SSW 8 | SSW 8 | SW 8 |
| kJ | 178 | 209 | 219 | 206 | — | 116 | 80 | 103 | 154 | 176 | 200 | 206 | 163 | 112 | 97 | 141 | 223 | 287 | 689 | 1318 | — | 597 | 480 | 1287 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 244 | 60 | 36 | 12 | 12 | 0 | 914 | 148 | 1081 | 1081 | 1081 | 1081 | 14 | 0 | 483 | 578 | 73 | 47 | 483 | 14 | 52 | 0 | 500 | 500 |
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