Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Tuesday 13 Jan 2026 JST
Forecast 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
18.5° C
(Which is slightly warmer than usual)


How big are the waves at Mera today?

The current surf forecast for Mera at 3AM is: 3.5m 9s primary swell from a West-southwest direction and 0.2m 11s secondary swell from a East-southeast direction (forecast issued at 08:00pm January 13). An open ocean swell of 0.1m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (14 Jan)11ft (3.5m)9s
Afternoon (14 Jan)8ft (2.5m)9s
Evening (14 Jan)5.5ft (1.7m)9s

Table - waves today at Mera. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Tue
13
Wednesday
14
Thursday
15
Friday
16
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
0
0
0
0
0
4
4
3
3
1
2
1
1
1
0
0
0
0
0
0
0
0
2
2
Swell
Height Map
Wave Height (m) & direction (?)
3
WSW
3.5
WSW
3.5
WSW
3.5
WSW
3
WSW
3.5
WSW
3
WSW
2.5
WSW
2.5
WSW
1.7
WSW
1.4
WSW
1.2
WSW
0.9
WSW
1.4
WSW
1.7
WSW
2.5
WSW
2.5
WSW
2.5
WSW
2.5
WSW
2.5
WSW
2.5
WSW
2.2
WSW
1.7
WSW
1.4
SW
Period(s) (?)888999998988877777777788
Wave
Graph
(?)Metric surfscale
Energy kJ (?)99414471687176015562028132110731027421267175103188241586533575633665703537337229
Wind
(km/h)
60
WSW
65
W
60
WSW
45
W
25
WNW
15
NNE
15
NNE
5
SSE
15
E
15
ENE
15
NE
20
NNE
10
N
5
W
25
WSW
50
WSW
60
WSW
55
WSW
55
WSW
50
WSW
40
W
25
WNW
5
NNE
10
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
offoffcrosscross-
off
cross-
off
offcross-
off
cross-
off
cross-
on
cross-
on
ononononcross-
on
cross-
on
cross-
on
offcross-
off
High Tide
/ height (m)
3:35AM
1.06
11:53AM
1.24
4:12AM
1.15
1:06PM
1.25
4:41AM
1.23
2:07PM
1.29
Low Tide
/ height (m)
7:22PM
0.38
6:17AM
1.03
8:18PM
0.27
8:07AM
1.03
9:03PM
0.17
9:09AM
0.99
Tue
13
Wednesday
14
Thursday
15
Friday
16
Sunrise-----6:48-------6:48-------6:47--
Sunset-------4:50-------4:51-------4:52
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
cloud
part cloud
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C13111099991010101098810121214141414131314
Feels °C (?)0-4-3-1244655534531-1333561010
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

Latest Updates

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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