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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Thursday 19 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 1.4°C colder than average for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 1AM is: 1.1m 13s primary swell from a East-northeast direction and 1.2m 8s secondary swell from a South-southwest direction, 1.4m 6s secondary swell from a East-northeast direction (forecast issued at 08:00pm March 19). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (20 Mar)3.5ft (1.0m)13s
Afternoon (20 Mar)3ft (0.9m)13s
Evening (20 Mar)3.5ft (1.1m)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
19
Friday
20
Saturday
21
Sunday
22
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)
0
0
0
0
0
0
0
2
1
3
3
1
1
3
1
0
0
0
0
1
2
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.3
ENE
1.2
ENE
1.1
ENE
1.1
ENE
1
ENE
1
ENE
0.9
ENE
0.9
ENE
0.9
ENE
1.1
ENE
1.1
ENE
1.1
ENE
1.1
ENE
1
ENE
1
ENE
1.1
ENE
0.9
ENE
0.9
ENE
0.8
ENE
0.8
ENE
0.8
ENE
0.7
ENE
0.7
ENE
0.6
ENE
Period(s) (?)131313131313131314141413131313131312121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)627523437431356345280298356459446408396321317402249224172167164125123109
Wind
(km/h)
30
ENE
35
ENE
30
ENE
30
ENE
30
ENE
25
ENE
20
ENE
15
NE
15
NE
15
N
15
N
20
N
15
N
15
N
10
SW
15
SSW
15
S
15
S
15
SSW
15
WSW
10
W
10
W
20
WSW
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcrosscross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		cross-
off		crosscross
High Tide
/ height (m)
4:52PM
1.43
5:12AM
1.38
5:36PM
1.44
5:35AM
1.40
6:22PM
1.39
6:00AM
1.40
Low Tide
/ height (m)
11:07PM
0.19
11:20AM
0.11
11:40PM
0.30
11:56AM
0.01
12:11AM
0.44
12:35PM
-0.04
Thu
19
Friday
20
Saturday
21
Sunday
22
Sunrise----5:43-------5:43-------5:41---
Sunset-------5:50-------5:50-------5:51
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
cloud
Rain (mm)
---111121---------------
Temp. °C14131211111110101010876811121112131211121414
Feels °C (?)866555566743027767988999
  • 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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