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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Friday 13 Mar 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
15.5° C
 (Which is 1.3°C colder than average for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 3AM is: 1.9m 16s primary swell from a East-northeast direction and 0.2m 8s secondary swell from a South-southeast direction, 2.4m 7s secondary swell from a Northeast direction (forecast issued at 08:00pm March 13). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (14 Mar)6ft (1.8m)16s
Afternoon (14 Mar)6ft (1.8m)16s
Evening (14 Mar)6ft (1.8m)16s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Fri
13
Saturday
14
Sunday
15
Monday
16
6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM
Rating
(10 max)
2
2
1
1
1
1
2
2
3
3
4
3
3
4
3
4
3
3
3
4
4
4
!
3
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2
ENE
2
ENE
1.9
ENE
1.9
ENE
1.9
ENE
1.8
ENE
1.8
ENE
1.8
ENE
1.8
ENE
1.8
ENE
2.3
ENE
1.9
ENE
1.9
ENE
1.9
ENE
2
ENE
2.2
ENE
2.1
ENE
2.1
ENE
2.1
ENE
2
ENE
2.1
ENE
2.5
E
3
E
2.5
E
Period(s) (?)161616161616161616161616161717161616161616151414
Wave
Graph
(?)Metric surfscale
Energy kJ (?)216221361919185318751672167216521631161127161826184921392351269623102254225420322170294532532904
Wind
(km/h)
30
NE
35
NE
35
NNE
35
NNE
35
NNE
35
NNE
35
NE
30
NE
25
NE
20
NE
15
N
15
N
15
N
15
NNE
10
ENE
15
E
10
E
10
ENE
10
ENE
10
NE
20
NNE
15
NNE
10
NNE
10
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
on
High Tide
/ height (m)
3:36AM
1.04
12:25PM
1.00
3:41AM
1.12
1:51PM
1.09
3:53AM
1.18
2:43PM
1.20
Low Tide
/ height (m)
7:10PM
0.34
8:27AM
0.92
8:14PM
0.25
8:56AM
0.81
8:56PM
0.17
9:22AM
0.68
Fri
13
Saturday
14
Sunday
15
Monday
16
Sunrise----5:52-------5:50-------5:50---
Sunset-------5:45-------5:45-------5:45
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
Rain (mm)
------------------------
Temp. °C8988891010998779111111101010991011
Feels °C (?)00-1-1-10123432247787774478
  • 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 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.

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

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