Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Friday 03 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
16.0° 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 11AM is: 0.6m 7s primary swell from a South direction and 0.5m 8s secondary swell from a Northeast direction (forecast issued at 08:00am April 03). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (03 Apr)2ft (0.6m)8s
Afternoon (03 Apr)1.5ft (0.5m)10s
Evening (03 Apr)1.5ft (0.5m)10s

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


Updates in  hr  min  s Forecast update imminent
Friday
03
Saturday
04
Sunday
05
Mon
06
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
!
2
0
2
1
0
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.9
NE
0.6
SW
0.5
NE
0.5
ESE
0.5
ESE
0.5
ESE
1.2
S
1.6
S
1.7
S
2
SSE
2.2
SSE
2.5
SSE
2.5
S
3.5
S
4
S
4
S
3.5
S
2.2
SW
2.5
S
2.4
S
2.2
SSE
2.4
S
1.8
SW
1.6
SSW
Period(s) (?)88810101056667788991010999888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9144335255566816621729139857783214332217272022779671148961692816450302
Wind
(km/h)
15
N
5
WNW
15
SW
20
S
15
SSE
20
S
25
S
25
S
25
S
35
S
35
S
40
S
40
S
40
S
50
S
35
SW
30
SW
25
SW
20
SW
25
SW
20
SW
20
SW
25
WSW
20
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
on
cross-
on
ononcross-
on
cross-
on
onononcross-
on
cross-
on
oncross-
on
cross-
on
crosscrosscross-
on
crosscrosscross-
on
crosscross
High Tide
/ height (m)
4:51AM
1.36
5:42PM
1.34
5:11AM
1.36
6:17PM
1.29
5:31AM
1.35
6:53PM
1.22
Low Tide
/ height (m)
11:14AM
0.10
11:27PM
0.46
11:42AM
0.04
11:52PM
0.54
12:11PM
0.02
12:16AM
0.62
Friday
03
Saturday
04
Sunday
05
Mon
06
Sunrise5:24-------5:22-------5:20-------
Sunset----6:00-------6:01-------6:01---
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
cloud
cloud
cloud
light rain
light rain
mod rain
light rain
rain showers
part cloud
cloud
cloud
cloud
cloud
clear
clear
Rain (mm)
------------14641-------
Temp. °C101315151616161516171717171717191819202018171716
Feels °C (?)6101110121111101110101010119151416181716151414
  • 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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