Mera surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Tuesday 17 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 4AM is: 0.6m 11s primary swell from a East direction and 0.9m 6s secondary swell from a East direction (forecast issued at 08:00pm February 17). An open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

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
Tue
17
Wednesday
18
Thursday
19
Friday
20
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
0
0
0
0
1
2
0
0
0
0
1
0
2
1
1
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.1
SW
0.5
E
0.6
E
0.6
E
0.7
E
1.2
E
1.4
E
1.3
E
1.9
WSW
3
WSW
2.5
W
1.1
WSW
1
WSW
0.9
WSW
0.5
E
0.5
E
0.7
E
0.6
E
0.6
E
0.4
E
0.7
WSW
0.7
WSW
0.6
E
0.6
E
Period(s) (?)611121211999788888121212121212661414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2619593108241320276326998830142123957172144104103473431148136
Wind
(km/h)
25
NE
20
NNE
25
N
15
N
15
NNE
5
NNE
15
W
15
WNW
25
W
30
WNW
40
N
45
NNE
25
NNE
20
NNE
0
N
5
SSW
15
SSW
15
SSW
15
SSW
10
SSW
5
NW
15
N
15
NW
10
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
offoffglassoncross-
on
oncross-
on
cross-
on
glasscross-
off
crosscross-
on
High Tide
/ height (m)
4:15PM
1.42
5:47AM
1.36
4:55PM
1.45
6:06AM
1.38
5:36PM
1.45
6:26AM
1.39
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
Tue
17
Wednesday
18
Thursday
19
Friday
20
Sunrise-----6:24-------6:22-------6:22--
Sunset-------5:24-------5:25-------5:27
cloud
light rain
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
part cloud
cloud
Rain (mm)
-1----------------------
Temp. °C88777810101110844567899109888
Feels °C (?)2313356542-3-7-4-23334577444
  • 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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