Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Thursday 02 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
16.2° C
(Which is 1.1°C colder than average for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 3PM is: 2.3m 9s primary swell from a South-southwest direction and 0.1m 14s secondary swell from a Southeast direction (forecast issued at 08:00am April 02). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (02 Apr)10ft (3.0m)9s
Afternoon (02 Apr)7.5ft (2.3m)9s
Evening (02 Apr)4.5ft (1.3m)9s

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


Updates in  hr  min  s Forecast update imminent
Thursday
02
Friday
03
Saturday
04
Sun
05
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
!
!
!
2
2
2
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
3.5
SSW
3
SSW
3
SSW
2.3
SSW
1.9
SSW
1.3
SW
1
SW
0.8
SW
0.8
SSE
0.6
NE
0.5
NE
0.5
NE
0.5
NE
0.5
ESE
0.5
ESE
1.4
SSE
1.5
S
1.6
SSE
1.9
SSE
1.9
SSE
2.3
SSE
2.5
S
3
S
4
S
Period(s) (?)891099999788991010666667789
Wave
Graph
(?)Metric surfscale
Energy kJ (?)151612861840904606300163996244353641565613516719826329346175313832417
Wind
(km/h)
10
NW
15
W
10
NW
15
N
20
NNE
10
N
15
NNW
10
N
10
N
5
WSW
10
SSW
15
S
10
SSE
15
SSE
25
S
25
SSW
20
SSW
25
SSW
35
S
35
S
40
S
45
S
50
S
45
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
offcrosscross-
on
ononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
High Tide
/ height (m)
4:31AM
1.34
5:05PM
1.36
4:51AM
1.36
5:42PM
1.34
5:11AM
1.36
6:17PM
1.29
Low Tide
/ height (m)
10:46AM
0.19
10:59PM
0.38
11:14AM
0.10
11:27PM
0.46
11:42AM
0.04
11:52PM
0.54
Thursday
02
Friday
03
Saturday
04
Sun
05
Sunrise5:26-------5:24-------5:22-------
Sunset----6:00-------6:00-------6:01---
light rain
cloud
cloud
cloud
part cloud
cloud
light rain
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
light rain
light rain
light rain
cloud
mod rain
rain showers
Rain (mm)
5-----1-----------111-62
Temp. °C12131212121110109131415151616161617171617171718
Feels °C (?)1111108776661110111213111112121191010912
  • 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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