Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 am Sunday 19 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
16.8° C
(Which is 1.5°C colder than average for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 10AM is: 2.4m 14s primary swell from a South-southeast direction and 0.9m 10s secondary swell from a East-northeast direction (forecast issued at 02:00am April 19). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (19 Apr)8ft (2.4m)14s
Afternoon (19 Apr)8ft (2.5m)14s
Evening (19 Apr)10ft (3.0m)15s

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


Updates in  hr  min  s Forecast update imminent
Sunday
19
Monday
20
Tuesday
21
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
3
4
4
4
3
3
4
!
!
4
4
3
2
1
2
2
2
0
0
0
3
2
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.4
SSE
2.3
SSE
2.3
SSE
2.4
SSE
2.4
SE
2.5
SE
2.5
SE
3
SE
3
SE
2.5
SE
2.5
SE
2.5
SE
2.4
SE
2.2
SE
2.1
SE
2
ESE
1.9
SE
1.9
ESE
1.7
ESE
1.9
SE
1.8
SE
1.7
ESE
1.7
ESE
1.7
ESE
Period(s) (?)151414141414151514141413131312121212121111111110
Wave
Graph
(?)Metric surfscale
Energy kJ (?)23492243221223132457262630453320314329272357212619821583140311771064972749891757661649581
Wind
(km/h)
5
SSE
0
NNW
5
NNE
10
NE
15
E
15
E
10
E
10
ENE
10
NE
10
ENE
15
NE
15
E
15
ESE
20
ESE
10
SE
15
SSE
15
S
15
SSW
20
SSW
25
SW
15
NNW
20
NE
20
ESE
15
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onglassglasscross-
off
crosscrosscrosscrosscross-
off
cross-
off
cross-
off
crosscross-
on
cross-
on
onononcross-
on
cross-
on
crossoffcross-
off
cross-
on
cross-
on
High Tide
/ height (m)
4:50AM
1.44
6:29PM
1.38
5:20AM
1.45
7:23PM
1.30
5:51AM
1.43
8:23PM
1.21
Low Tide
/ height (m)
11:14PM
0.58
11:37AM
-0.20
11:50PM
0.69
12:20PM
-0.20
12:24AM
0.80
1:06PM
-0.14
Sunday
19
Monday
20
Tuesday
21
Sunrise--5:03-------5:01-------5:00-----
Sunset------6:14-------6:15-------6:15-
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
Rain (mm)
------------------------
Temp. °C161615181919171716161517181817161616171917201617
Feels °C (?)161715171717161716151314161515141414151614161314
  • 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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