Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 am Wednesday 08 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
14.9° C
(Which is 2.8°C colder than average for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 6AM is: 1.1m 8s primary swell from a South direction and 0.5m 8s secondary swell from a Southeast direction, 0.9m 8s secondary swell from a Northeast direction (forecast issued at 02:00am April 08). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (08 Apr)3ft (0.9m)8s
Afternoon (08 Apr)2ft (0.6m)9s
Evening (08 Apr)2ft (0.6m)8s

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


Updates in  hr  min  s Forecast update imminent
Wednesday
08
Thursday
09
Friday
10
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
2
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
S
1.4
S
1.1
S
0.9
S
0.8
S
0.6
SE
0.6
SE
0.6
SE
0.7
SE
0.6
SE
0.7
SE
0.7
SE
0.6
SE
0.6
SE
0.6
SE
0.6
ESE
0.6
ESE
0.6
ESE
1.6
S
1.9
S
2.1
SSW
2.3
SSW
2.5
SSW
3
SSW
Period(s) (?)98888988888888881010666778
Wave
Graph
(?)Metric surfscale
Energy kJ (?)49327916710982464555665363614948484364781632703414587401123
Wind
(km/h)
25
N
30
N
15
NNE
20
NNE
5
NE
10
SE
10
SSE
10
S
10
SSW
15
SSW
20
SSW
25
SSW
25
SSW
30
SSW
30
SSW
30
SSW
30
SSW
30
S
30
SSW
35
SSW
40
SSW
40
SSW
45
SSW
40
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off
cross-
off
cross-
off
cross-
off
onononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross
High Tide
/ height (m)
6:39AM
1.24
9:21PM
0.97
7:06AM
1.17
11:15PM
0.94
7:40AM
1.09
Low Tide
/ height (m)
1:05AM
0.76
1:59PM
0.18
1:32AM
0.83
2:56PM
0.27
2:13AM
0.91
4:18PM
0.34
Wednesday
08
Thursday
09
Friday
10
Sunrise--5:16-------5:16-------5:15-----
Sunset------6:05-------6:06-------6:06-
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
cloud
light rain
heavy rain
light rain
Rain (mm)
-----------------3---3144
Temp. °C1198111414131314141415161616161615161717171819
Feels °C (?)31241010991010910101011111110111111111214
  • 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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