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Surf Forecasts:

Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 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 8AM is: 1.2m 9s primary swell from a East direction and 0.1m 6s secondary swell from a West direction (forecast issued at 02:00am February 18). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

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 
12 DaysHourly
Print Table
Wednesday
18
Thursday
19
Friday
20
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
0
1
1
0
0
0
0
1
0
0
1
1
0
0
0
0
1
0
0
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
E
0.6
E
0.7
E
1.2
E
1.3
E
1.3
E
2.4
WSW
3
WSW
3
W
1.3
WSW
1
WSW
0.9
WSW
0.6
E
0.6
WSW
0.5
E
0.5
SW
0.5
SW
0.6
E
0.4
WSW
0.4
SW
0.6
E
0.6
E
0.6
E
0.6
E
Period(s) (?)1212109997888881281277126614141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)959310624128228254595411061871369510242722623108169148138130130
Wind
(km/h)
20
N
15
N
15
NNW
10
NW
20
W
20
W
40
W
35
W
40
N
40
NNE
25
NNE
15
NNE
0
ENE
10
SSW
15
SSW
10
S
10
SE
10
ENE
20
NE
15
NNE
10
N
5
W
5
SW
5
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
off		cross-
off		cross-
off		offglassoncross-
on		cross-
on		crossoffoffoffcross-
off		cross-
on		oncross-
on
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)
11:05PM
-0.03
11:16AM
0.55
11:35PM
0.01
11:48AM
0.45
12:05AM
0.11
12:21PM
0.35
Wednesday
18
Thursday
19
Friday
20
Sunrise---6:24-------6:22-------6:22----
Sunset-----5:24-------5:25-------5:27--
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
Rain (mm)
------------------------
Temp. °C88891010111084456778987789910
Feels °C (?)34465411-2-6-4-1332454124667
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Mera at:
surf-forecast.com

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