Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Wednesday 03 Dec 2025 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
21.6° C
(Which is 1.4°C warmer than normal for this time of year)


How big are the waves at Amatu today?

The current surf forecast for Amatu at 7PM is: 0.7m 13s primary swell from a Northeast direction and 0.6m 8s secondary swell from a Southeast direction (forecast issued at 02:00pm December 03). An open ocean swell of 1.7m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (03 Dec)--
Afternoon (03 Dec)2.5ft (0.7m)13s
Evening (03 Dec)2.5ft (0.7m)13s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
03
Thursday
04
Friday
05
Saturday
06
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
0
0
1
0
3
1
1
2
2
1
1
1
0
0
0
0
0
0
0
1
1
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
0.7
ENE
0.7
ENE
0.7
NE
0.7
NE
2.4
SW
2.1
SW
0.8
NE
0.8
NE
1
SW
0.7
NE
0.8
NE
0.7
NE
0.6
NE
1.6
SW
0.5
NE
0.5
NE
0.5
NE
0.5
NE
0.5
NE
0.9
SW
0.5
NE
0.5
NE
0.4
NE
0.5
NE
Period(s) (?)131313139101413101313131381313131212712121315
Wave
Graph
(?)Metric surfscale
Energy kJ (?)145145167164968782218215180178202172136306827978777779747456115
Wind
(km/h)
25
SW
20
SW
20
W
30
W
20
WNW
25
NW
25
NNW
15
NNW
5
NNE
10
ESE
10
ESE
10
SSW
15
W
30
W
35
WSW
35
WSW
35
WSW
30
W
20
N
15
N
10
N
10
N
10
NNE
10
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off
cross-
off
cross-
off
cross-
off
offoffcross-
off
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
2:20PM
1.51
4:31AM
1.47
2:59PM
1.56
5:25AM
1.50
3:39PM
1.60
6:16AM
1.50
Low Tide
/ height (m)
9:24PM
-0.01
9:39AM
0.95
10:10PM
-0.15
10:25AM
1.00
10:56PM
-0.21
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunrise-------6:30-------6:31-------6:31
Sunset-4:27-------4:27-------4:27------
light rain
light rain
part cloud
clear
light rain
cloud
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
Rain (mm)
12--1-------------------
Temp. °C14151412876789998891012121098878
Feels °C (?)910943-1-214555300134443423
  • 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

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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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