Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Wednesday 10 Dec 2025 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
21.1° C
(Which is 1.2°C warmer than normal for this time of year)


How big are the waves at Mera today?

The current surf forecast for Mera at 11AM is: 0.8m 9s primary swell from a East-southeast direction and 0.3m 6s secondary swell from a West-southwest direction (forecast issued at 08:00am December 10). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (10 Dec)2ft (0.6m)9s
Afternoon (10 Dec)2.5ft (0.8m)9s
Evening (10 Dec)2.5ft (0.7m)9s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
10
Thursday
11
Friday
12
Sat
13
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
1
1
1
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.6
ESE
0.6
ESE
0.8
ESE
0.8
ESE
0.8
ESE
0.7
E
0.7
E
0.8
ESE
0.7
ESE
0.7
ESE
0.8
ESE
0.7
ESE
1.7
WSW
2.3
WSW
3
WSW
2.5
WSW
1.7
WSW
1.2
SW
0.9
WSW
0.8
WSW
0.5
E
0.7
E
0.7
E
0.6
E
Period(s) (?)1099999910101010105677888810121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)7469115113113788314110410212598169410686752322178103745614413993
Wind
(km/h)
10
N
15
N
10
NNW
10
NW
15
NNE
20
NE
15
NE
10
NNE
10
NNW
5
NW
15
WSW
40
SW
50
WSW
55
WSW
70
W
50
W
50
N
40
NNE
40
NNE
35
NNE
40
NNE
35
NNE
30
NNE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
crosscross-
off
offoffoffcross-
off
crosscross-
on
onononcross-
on
cross-
on
cross-
off
offcross-
off
cross-
off
cross-
off
offoffoff
High Tide
/ height (m)
9:12AM
1.27
7:11PM
1.27
9:55AM
1.23
8:19PM
1.13
10:35AM
1.22
10:07PM
1.01
Low Tide
/ height (m)
2:05PM
0.95
2:37AM
0.29
3:18PM
0.90
3:26AM
0.46
4:51PM
0.81
Wednesday
10
Thursday
11
Friday
12
Sat
13
Sunrise-6:35-------6:37-------6:37------
Sunset---4:29-------4:29-------4:29----
clear
clear
cloud
clear
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
Rain (mm)
------------------------
Temp. °C11111213121212121212141516171515108887665
Feels °C (?)8791087899101066614-2-3-2-2-4-4-2-3
  • 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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