- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Mera surfForecast / Chiba / Japan
48hr Weather and Surf, issued 8 pm Thursday 30 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
20.2° C
(Which is slightly warmer than usual)How big are the waves at Mera today?
The current surf forecast for Mera at 11PM is: 2.1m 6s primary swell from a Southeast direction (forecast issued at 08:00pm April 30). An open ocean swell of 0.1m 8s is not directed at the surf break, a second open ocean swell of 0.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (JST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | - | - |
| Afternoon (30 Apr) | - | - |
| Evening (30 Apr) | 0.5ft (0.1m) | 13s |
Table - waves today at Mera. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 72mm), heaviest during Fri morning. Warm (max 20°C on Fri morning, min 15°C on Fri night). Mainly near gales. | ||||||||||||||||||||||||
Thu 30 | Friday 1 | Saturday 2 | Sunday 3 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
SE 8 | E 13 | SE 6 | SE 7 | SE 8 | SE 8 | S 8 | SSW 9 | SW 9 | SW 9 | SW 9 | SW 9 | WSW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 8 | SW 8 | ESE 10 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | |
15 | 3 | 349 | 445 | 853 | 1039 | 1909 | 1522 | 1777 | 2018 | 2441 | 2157 | 2659 | 1076 | 773 | 486 | 357 | 286 | 206 | 132 | 123 | 103 | 94 | 100 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross-off | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-off | cross-on | cross | cross-off | cross-off | off | off | cross-off | cross | on | on | |
High Tide | 4:23PM1.29m | 3:34AM1.37m | 5:02PM1.31m | 3:57AM1.39m | 5:38PM1.32m | 4:22AM1.40m | ||||||||||||||||||
Low Tide | 9:52PM0.60m | 10:19AM0.05m | 10:24PM0.65m | 10:49AM-0.01m | 10:55PM0.70m | 11:19AM-0.03m | ||||||||||||||||||
 |  |  | |  | | |  |  |  | | | | | | |  |  |  | |  | | | | |
 | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:48 | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | 6:25 |
1 | 3 | 7 | 4 | 14 | 25 | 14 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 17 | 17 | 17 | 20 | 17 | 20 | 18 | 17 | 16 | 15 | 15 | 17 | 18 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 20 |
14 | 13 | 13 | 15 | 12 | 15 | 15 | 14 | 10 | 7 | 5 | 5 | 11 | 15 | 13 | 16 | 17 | 18 | 18 | 16 | 17 | 17 | 15 | 16 | |
Swell 1 Height (m) Direction Period (s) | SE 8 | SW 6 | NE 8 | NE 8 | N 8 | NE 13 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 8 | SW 8 | SW 7 | SW 7 | ESE 10 | ESE 10 | ESE 9 |
 kJ | 15 | 1 | 2 | 2 | 1 | 6 | 599 | 714 | 519 | 311 | 176 | 115 | 1606 | 1076 | 773 | 486 | 357 | 286 | 206 | 118 | 86 | 103 | 94 | 100 |
Swell 2 Height (m) Direction Period (s) | SW 6 | NE 8 | E 13 | NE 13 | E 12 | NE 8 | NE 8 | NE 11 | — | NE 12 | NE 12 | NE 12 | SE 8 | SE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 10 | ESE 10 | SW 7 | S 7 | NE 4 |
| kJ | 1 | 2 | 3 | 7 | 3 | 3 | 3 | 5 | — | 6 | 6 | 6 | 102 | 110 | 94 | 101 | 101 | 94 | 100 | 132 | 123 | 45 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | NE 8 | E 13 | — | E 11 | — | NE 13 | — | — | — | — | — | — | NE 12 | NE 11 | SSE 8 | E 11 | — | NE 11 | NE 11 | NE 11 | S 7 | E 11 | NE 4 | E 10 |
| kJ | 2 | 3 | — | 2 | — | 6 | — | — | — | — | — | — | 5 | 5 | 19 | 2 | — | 5 | 5 | 5 | 4 | 2 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | ESE 6 | ESE 6 | SE 6 | SE 7 | SE 8 | SE 8 | S 8 | SSW 9 | SW 9 | SW 9 | SW 9 | SW 9 | WSW 10 | — | — | — | — | — | — | NNE 2 | NNE 2 | — | SW 6 | SW 4 |
| kJ | 104 | 134 | 349 | 445 | 853 | 1039 | 1909 | 1522 | 1777 | 2018 | 2441 | 2157 | 2659 | — | — | — | — | — | — | 1 | 1 | — | 41 | 35 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 890 | 820 | 87 | 73 | 39 | 36 | 36 | 43 | 500 | 500 | 500 | 500 | 33 | 0 | 70 | 47 | 14 | 0 | 0 | 0 | 0 | 12 | 88 | 2074 |
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