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Surf Forecasts:

Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 am Friday 20 Mar 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
15.7° C
 (Which is 1.5°C colder than average for this time of year)

How big are the waves at Mera today?

The current surf forecast for Mera at 6AM is: 1.0m 8s primary swell from a Southwest direction (forecast issued at 02:00am March 20). An open ocean swell of 0.9m 13s is not directed at the surf break, a second open ocean swell of 1.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Mar)5.5ft (1.7m)6s
Afternoon (20 Mar)4.5ft (1.3m)6s
Evening (20 Mar)3.5ft (1.0m)6s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Friday
20
Saturday
21
Sunday
22
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
0
1
1
0
0
0
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
SW
1.1
SW
1
SW
1.7
E
0.8
SSW
1.3
E
1.2
E
1
E
1.1
SW
1.1
SW
0.8
WSW
0.7
WSW
0.6
WSW
0.4
WSW
0.4
SW
0.1
SE
0.6
SSW
0.2
SSE
0.2
SSE
0.8
WSW
0.2
SSE
0.2
SSE
0.9
SW
1.1
SW
Period(s) (?)88867666777776616416165151545
Wave
Graph
(?)Metric surfscale
Energy kJ (?)25315111323270135113751091266644351710101025252423223147
Wind
(km/h)
35
E
35
ENE
30
ENE
25
ENE
20
NE
30
N
15
N
20
NNE
15
N
15
NNE
20
NE
15
NE
5
SE
15
SSE
20
SSE
20
S
20
SSW
15
SW
10
NW
10
NW
15
WSW
25
SW
25
SW
25
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		offoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffglasscrosscross-
on		cross-
on		cross-
on		oncrosscrosscross-
on		ononon
High Tide
/ height (m)
5:15AM
1.39
5:37PM
1.44
5:35AM
1.41
6:22PM
1.40
5:56AM
1.42
7:10PM
1.32
Low Tide
/ height (m)
11:09PM
0.22
11:24AM
0.15
11:39PM
0.34
11:59AM
0.05
12:09AM
0.48
12:36PM
0.00
Friday
20
Saturday
21
Sunday
22
Sunrise--5:45-------5:43-------5:43-----
Sunset-----5:51-------5:52-------5:52--
cloud
light rain
light rain
light rain
light rain
rain showers
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
Rain (mm)
-12332------------------
Temp. °C141312121311109897781011121313121111141414
Feels °C (?)7667105655513566799987788
  • 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

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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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