Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Friday 13 Feb 2026 JST
Forecast update in hr  min  s Forecast update imminent
Amatu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Amatu sea temperature is
16.7° C
(Which is normal for this time of year)


How big are the waves at Amatu today?

The current surf forecast for Amatu at 2AM is: 0.3m 10s primary swell from a Southeast direction and 0.4m 6s secondary swell from a Southwest direction, 0.3m 4s secondary swell from a East-northeast direction (forecast issued at 08:00pm February 13). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (14 Feb)1ft (0.3m)10s
Afternoon (14 Feb)1ft (0.3m)10s
Evening (14 Feb)2.5ft (0.8m)4s

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

Updates in  hr  min  s Forecast update imminent
Fri
13
Saturday
14
Sunday
15
Monday
16
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.6
SW
0.6
SW
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.3
SE
0.4
SE
0.8
SW
1.1
SW
1.1
SW
0.5
SE
0.4
ESE
0.9
SW
0.4
E
0.6
ESE
1.4
SW
1.7
SW
1.5
SW
1.2
SW
0.7
E
0.7
E
0.7
E
Period(s) (?)77101010101010104551011514136677121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)29271515151515152625516551384160139132233195124144141139
Wind
(km/h)
0
NE
0
E
5
E
5
ENE
5
E
10
SE
10
S
15
SW
20
SW
25
SW
25
SW
25
SW
20
WSW
20
WSW
20
WSW
20
WSW
20
WSW
20
SW
20
WSW
15
W
15
WNW
15
N
20
NNE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
on
crosscross-
on
ononcrosscross-
on
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off
cross-
off
offcross-
off
cross-
off
High Tide
/ height (m)
4:38AM
1.15
2:15PM
1.16
4:51AM
1.21
3:03PM
1.25
5:07AM
1.26
Low Tide
/ height (m)
8:59PM
0.19
9:31AM
0.91
9:37PM
0.10
9:58AM
0.82
10:10PM
0.02
10:23AM
0.72
Fri
13
Saturday
14
Sunday
15
Monday
16
Sunrise-----6:26-------6:26-------6:24--
Sunset-------5:19-------5:20-------5:21
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
Rain (mm)
------------------------
Temp. °C991091011131311121314141415151313121211111411
Feels °C (?)7787891110767910101010998887104
  • 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 Amatu 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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