Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 am Saturday 04 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
16.1° 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 7AM is: 1.6m 6s primary swell from a South-southeast direction and 0.4m 10s secondary swell from a East-southeast direction, 0.3m 10s secondary swell from a Northeast direction (forecast issued at 02:00am April 04). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (04 Apr)6ft (1.9m)6s
Afternoon (04 Apr)8ft (2.5m)7s
Evening (04 Apr)10ft (3.0m)8s

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


Updates in  hr  min  s Forecast update imminent
Saturday
04
Sunday
05
Monday
06
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
!
0
1
0
2
2
1
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.5
ESE
1
S
1.3
SSE
1.9
SSE
2.3
SSE
2.5
S
3
S
3
S
4
S
4.5
S
4
S
2.4
SW
3
S
3
S
3
S
2.1
SSE
2.2
SW
1.2
SE
1.1
SE
1.1
SE
1
ESE
0.9
ESE
0.9
ESE
0.9
ESE
Period(s) (?)1066677889101010999889988888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)566811726346964290613502617372430171207133613971252602602216174166147120117114
Wind
(km/h)
20
SW
20
SW
20
S
35
S
40
S
40
S
40
S
45
S
55
S
55
SSW
30
SW
25
SSW
25
SW
25
SW
30
SW
30
SW
30
WSW
15
W
5
NW
10
ENE
10
ESE
10
S
15
SSW
20
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
crosscrosscross-
off
cross-
off
crosscross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
5:11AM
1.36
6:17PM
1.29
5:31AM
1.35
6:53PM
1.22
5:52AM
1.33
7:31PM
1.14
Low Tide
/ height (m)
11:27PM
0.46
11:42AM
0.04
11:52PM
0.54
12:11PM
0.02
12:16AM
0.62
12:42PM
0.04
Saturday
04
Sunday
05
Monday
06
Sunrise--5:22-------5:20-------5:20-----
Sunset------6:01-------6:01-------6:02-
part cloud
part cloud
cloud
light rain
light rain
rain showers
light rain
light rain
light rain
rain showers
rain showers
part cloud
cloud
cloud
cloud
cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
part cloud
Rain (mm)
---11113512-------------
Temp. °C151515171717171718201919201917161715151617171717
Feels °C (?)1111111110910109121516171513111313151516161515
  • 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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