Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Friday 20 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
15.8° C
(Which is slightly cooler than normal)


How big are the waves at Mera today?

The current surf forecast for Mera at 7PM is: 0.6m 13s primary swell from a East direction and 0.3m 6s secondary swell from a Southwest direction, 0.3m 4s secondary swell from a Southwest direction (forecast issued at 02:00pm February 20). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Feb)--
Afternoon (20 Feb)2ft (0.6m)14s
Evening (20 Feb)2ft (0.6m)13s

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

Updates in  hr  min  s Forecast update imminent
Friday
20
Saturday
21
Sunday
22
Monday
23
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
0
1
0
0
0
0
0
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
E
0.6
E
0.6
E
0.6
E
0.6
E
0.2
ESE
0.2
ESE
0.2
WSW
0.2
WSW
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.2
ESE
0.6
SW
1
SW
1.3
SW
1.4
SW
1.5
SW
1.6
SW
1.8
SW
Period(s) (?)14141313148844888888883455566
Wave
Graph
(?)Metric surfscale
Energy kJ (?)14813613012813277216666666693574103119160202
Wind
(km/h)
15
NNE
5
NNW
10
W
10
W
10
NW
15
NNW
20
N
15
N
15
NNW
10
NW
10
WNW
5
WNW
10
W
5
WSW
10
SW
20
SW
30
SW
35
SW
35
SSW
40
SSW
45
SW
40
SSW
40
SSW
40
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
on
cross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
onononononononononon
High Tide
/ height (m)
6:18PM
1.40
6:45AM
1.40
7:04PM
1.32
7:05AM
1.39
7:55PM
1.20
7:25AM
1.38
Low Tide
/ height (m)
12:21PM
0.35
12:33AM
0.25
12:58PM
0.27
1:01AM
0.42
1:38PM
0.22
1:27AM
0.59
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise-------6:20-------6:18-------6:18
Sunset-5:27-------5:28-------5:29------
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
Rain (mm)
------------------------
Temp. °C89991098910111212121111121213141515151516
Feels °C (?)365564346899998756676779
  • 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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