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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Thursday 12 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
15.6° C
 (Which is 1.2°C colder than average for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 11PM is: 1.7m 14s primary swell from a East-northeast direction and 0.1m 11s secondary swell from a Southeast direction, 1.1m 12s secondary swell from a Northeast direction (forecast issued at 08:00pm March 12). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (JST) & DateWave HeightWave Period
Morning (12 Mar)--
Afternoon (12 Mar)--
Evening (12 Mar)5ft (1.5m)14s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Thu
12
Friday
13
Saturday
14
Sunday
15
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)
3
2
3
3
3
2
2
2
2
1
1
1
1
1
3
2
3
3
3
3
3
5
5
4
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
ENE
1.5
ENE
1.8
ENE
2
ENE
2.1
ENE
2
ENE
1.9
ENE
1.9
ENE
1.9
ENE
1.9
ENE
2
ENE
1.9
ENE
1.9
ENE
1.9
ENE
1.8
ENE
1.8
ENE
1.8
ENE
1.8
ENE
1.9
ENE
1.9
ENE
1.9
ENE
2
ENE
2
ENE
2.2
ENE
Period(s) (?)141414141414151616161616161616161616161616171716
Wave
Graph
(?)Metric surfscale
Energy kJ (?)6948501299149117231578166819191967194321101919187518531672165216311611178518261849235123782696
Wind
(km/h)
15
ENE
15
ENE
15
NNE
20
NNE
20
NNE
30
NE
30
NE
30
NE
30
NE
40
NE
40
NE
40
NNE
40
NNE
40
NE
35
NE
30
NE
25
NE
20
NE
20
NNE
15
N
15
N
15
NNE
10
NE
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
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		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross
High Tide
/ height (m)
8:43AM
1.02
3:36AM
1.04
12:25PM
1.00
3:41AM
1.12
1:51PM
1.09
Low Tide
/ height (m)
5:20PM
0.38
7:10PM
0.34
8:27AM
0.92
8:14PM
0.25
8:56AM
0.81
Thu
12
Friday
13
Saturday
14
Sunday
15
Sunrise----5:54-------5:52-------5:50---
Sunset-------5:44-------5:45-------5:45
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C99866898999991011109998791111
Feels °C (?)4430-101010-10013233432476
  • 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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