Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm 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 9PM is: 3.0m 8s primary swell from a West-southwest direction and 0.8m 9s secondary swell from a East direction (forecast issued at 02:00pm February 18). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Feb)--
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
Saturday
21
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
0
0
0
0
1
0
0
2
1
0
0
0
0
0
0
0
1
0
0
1
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
E
1.3
E
2.5
WSW
3
WSW
3
W
1.3
WSW
1.1
WSW
0.9
WSW
0.5
E
0.6
E
0.5
E
0.5
SW
0.4
SW
0.4
WSW
0.4
WSW
0.4
SW
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.2
ESE
0.4
SW
0.2
ESE
Period(s) (?)99788888121212777761414131314848
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2822826961006116323716910572103722512181710148136130130132777
Wind
(km/h)
15
WSW
20
W
45
W
30
WNW
45
N
35
N
30
NNE
15
NE
0
ESE
10
SSW
15
SSW
10
SSE
10
SE
5
SE
15
NE
15
NE
15
N
5
NW
5
WSW
5
WNW
10
NNW
10
NNE
15
NNE
15
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
offglasscross-
on
cross-
on
cross-
on
crosscrossoffoffcross-
off
crosscross-
on
glasscross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
4:55PM
1.45
6:06AM
1.38
5:36PM
1.45
6:26AM
1.39
6:18PM
1.40
6:45AM
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
Saturday
21
Sunrise-------6:22-------6:22-------6:20
Sunset-5:24-------5:25-------5:27------
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C1010121074446778998889999989
Feels °C (?)6412-4-6-5-23324563336665545
  • 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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