Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Saturday 31 Jan 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
16.2° C
(Which is slightly cooler than normal)


How big are the waves at Amatu today?

The current surf forecast for Amatu at 11PM is: 0.5m 13s primary swell from a Northeast direction and 0.5m 8s secondary swell from a Southwest direction (forecast issued at 08:00pm January 31). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (31 Jan)--
Afternoon (31 Jan)--
Evening (31 Jan)1.5ft (0.5m)13s

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

Updates in  hr  min  s Forecast update imminent
Sat
31
Sunday
01
Monday
02
Tuesday
03
6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM
Rating
(10 max)
0
0
1
1
1
1
0
1
1
1
1
1
1
1
1
0
1
1
1
0
0
0
0
2
Swell
Height Map
Wave Height (m) & direction (?)
0.5
NE
0.5
NE
0.4
NE
0.5
NE
0.5
NE
0.5
NE
0.4
NE
0.9
SW
1
SW
1.1
SW
0.9
SW
0.7
SW
0.4
NE
0.4
NE
0.4
NE
0.4
NE
0.9
SW
0.9
SW
0.9
SW
0.3
NE
0.4
SW
0.2
ENE
0.3
SW
1.5
NE
Period(s) (?)1313121212121288887111111117771161076
Wave
Graph
(?)Metric surfscale
Energy kJ (?)848255737271519411012896544331313979757518111010167
Wind
(km/h)
10
S
15
SE
0
NW
20
N
15
NNW
10
NW
10
SW
10
W
5
N
10
NE
15
N
15
NNW
10
NNW
10
NNW
5
SSW
10
WSW
5
NW
10
WNW
10
NNW
10
N
20
N
25
N
25
N
20
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
glassoffoffoffcrosscross-
off
glasscross-
off
offoffoffoffglasscrossoffcross-
off
offcross-
off
cross-
off
cross-
off
cross-
off
off
High Tide
/ height (m)
5:24AM
1.35
3:45PM
1.45
5:51AM
1.37
4:35PM
1.49
6:17AM
1.38
Low Tide
/ height (m)
10:08PM
-0.11
10:30AM
0.87
10:51PM
-0.13
11:06AM
0.76
11:30PM
-0.09
11:41AM
0.66
Sat
31
Sunday
01
Monday
02
Tuesday
03
Sunrise-----6:39-------6:37-------6:37--
Sunset-------5:06-------5:07-------5:07
part cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C777446898876569977654689
Feels °C (?)324-2-1245542112654421-2-102
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest