Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Wednesday 18 Feb 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
16.1° C
(Which is slightly cooler than normal)


How big are the waves at Mera today?

The current surf forecast for Mera at 1PM is: 1.3m 9s primary swell from a East direction and 0.5m 4s secondary swell from a West-southwest direction (forecast issued at 08:00am February 18). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Feb)4ft (1.2m)9s
Afternoon (18 Feb)4.5ft (1.3m)9s
Evening (18 Feb)10ft (3.0m)8s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
18
Thursday
19
Friday
20
Sat
21
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
1
1
0
0
0
0
1
0
1
1
1
0
0
0
0
0
0
0
1
0
0
0
1
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
E
1.2
E
1.3
E
1.3
E
2.5
WSW
3
WSW
3
W
1.3
WSW
1
WSW
0.9
WSW
0.5
E
0.6
WSW
0.5
E
0.6
E
0.5
SW
0.5
SW
0.4
WSW
0.4
SW
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.7
W
Period(s) (?)109997888881281212776614141313145
Wave
Graph
(?)Metric surfscale
Energy kJ (?)10624128228269610381163237136100714272106232316914813813013013221
Wind
(km/h)
15
NNW
10
WNW
20
W
20
W
40
W
35
W
40
N
35
N
25
NNE
15
NNE
0
E
10
S
10
SSW
10
SSW
10
S
10
SSE
5
E
10
NE
15
NNW
10
W
10
WSW
5
W
10
NNW
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
offglasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
offcross-
off
cross-
on
oncross-
on
cross-
off
cross-
off
High Tide
/ height (m)
5:47AM
1.36
4:55PM
1.45
6:06AM
1.38
5:36PM
1.45
6:26AM
1.39
6:18PM
1.40
Low Tide
/ height (m)
11:16AM
0.55
11:35PM
0.01
11:48AM
0.45
12:05AM
0.11
12:21PM
0.35
12:33AM
0.25
Wednesday
18
Thursday
19
Friday
20
Sat
21
Sunrise-6:24-------6:22-------6:22------
Sunset---5:24-------5:25-------5:27----
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
clear
clear
clear
Rain (mm)
------------------------
Temp. °C891010121074556788910999991099
Feels °C (?)465421-4-6-2-133345665555756
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest