Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 am Wednesday 01 Apr 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
16.3° C
(Which is 1.0°C colder than average for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 5AM is: 2.2m 11s primary swell from a Southwest direction and 2.5m 9s secondary swell from a South direction, 1.4m 11s secondary swell from a Southwest direction (forecast issued at 02:00am April 01). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (01 Apr)6.5ft (2.0m)8s
Afternoon (01 Apr)5.5ft (1.7m)8s
Evening (01 Apr)4.5ft (1.4m)8s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
01
Thursday
02
Friday
03
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
0
1
3
4
1
0
0
1
0
1
!
!
4
3
3
1
2
1
1
1
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
4
SSW
2.2
SW
2.5
S
2
S
1.8
SSE
1.7
SSE
1.3
SSE
1.4
SSE
1.4
SSE
1.9
S
3
SSW
3
SSW
2.5
SSW
2.3
SSW
2
SSW
1.3
SW
1
SW
0.8
SW
0.6
SW
0.6
SW
0.5
NE
0.6
NE
0.6
NE
0.6
NE
Period(s) (?)1011988888878999999998991010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)35841148106057941436118322021439710161514126581161629415695614441545959
Wind
(km/h)
40
SW
25
SW
10
WSW
10
NE
30
NE
30
ENE
25
NE
10
E
15
SE
30
NNW
25
N
20
NW
5
NNW
10
NNE
15
NNE
20
NNE
15
NNW
15
NNW
15
N
5
NNW
15
SW
20
SSW
15
S
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
crosscrosscross-
off
cross-
off
crosscross-
off
crossonoffoffcross-
off
offcross-
off
cross-
off
cross-
off
offoffoffoffcross-
on
cross-
on
cross-
on
on
High Tide
/ height (m)
4:10AM
1.31
4:26PM
1.35
4:31AM
1.34
5:05PM
1.36
4:51AM
1.36
5:42PM
1.34
Low Tide
/ height (m)
9:58PM
0.26
10:17AM
0.31
10:30PM
0.31
10:46AM
0.19
10:59PM
0.38
11:14AM
0.10
Wednesday
01
Thursday
02
Friday
03
Sunrise--5:26-------5:26-------5:24-----
Sunset-----5:59--------6:00-------6:00-
part cloud
part cloud
clear
part cloud
cloud
light rain
light rain
light rain
mod rain
heavy rain
rain showers
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
-----1437129-------------
Temp. °C191716171514131415131212121112111110101315151415
Feels °C (?)1414151710991314889119866651011111011
  • 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

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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