Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Saturday 17 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
16.4° C
(Which is 1.3°C colder than average for this time of year)


How big are the waves at Mera today?

The current surf forecast for Mera at 2PM is: 1.7m 6s primary swell from a West-southwest direction and 0.3m 10s secondary swell from a East-southeast direction (forecast issued at 08:00am January 17). An open ocean swell of 0.2m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Jan)2.5ft (0.8m)6s
Afternoon (17 Jan)6ft (1.8m)6s
Evening (17 Jan)5.5ft (1.7m)6s

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

Updates in  hr  min  s Forecast update imminent
Saturday
17
Sunday
18
Monday
19
Tue
20
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
0
0
0
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
WSW
0.8
WSW
1.6
WSW
1.8
WSW
2.1
WSW
1.7
WSW
1.5
W
0.7
SW
0.5
SW
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.3
ESE
0.2
ESE
0.3
ESE
0.3
ESE
1
E
1.1
E
1
E
0.9
E
1
WSW
1.7
WSW
2.2
WSW
Period(s) (?)66666666610101010101010106666466
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2646145230309200170342020191919201021226285735437181358
Wind
(km/h)
15
NW
20
W
35
WSW
35
WSW
25
W
15
N
20
NNE
25
NNE
20
NE
25
NE
20
NE
25
ENE
30
E
30
ENE
25
ENE
25
NNE
25
NNE
20
N
25
NNW
15
WNW
10
WSW
30
WSW
45
WSW
45
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on
ononcross-
on
cross-
off
cross-
off
offoffoffoffcross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
off
cross-
off
crossoncross-
on
oncross-
on
High Tide
/ height (m)
5:09AM
1.29
2:56PM
1.34
5:36AM
1.33
3:38PM
1.39
6:02AM
1.35
4:16PM
1.43
Low Tide
/ height (m)
9:53AM
0.94
10:19PM
0.00
10:29AM
0.89
10:52PM
-0.05
11:02AM
0.83
11:25PM
-0.08
Saturday
17
Sunday
18
Monday
19
Tue
20
Sunrise-6:47-------6:47-------6:47------
Sunset---4:52-------4:53-------4:54----
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
clear
clear
clear
cloud
part cloud
Rain (mm)
------------1111--------
Temp. °C121215161514121011101011111111101010101011121414
Feels °C (?)8778910646456556546578643
  • 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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