Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Sunday 15 Feb 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
16.6° C
(Which is normal for this time of year)


How big are the waves at Amatu today?

The current surf forecast for Amatu at 7PM is: 0.6m 13s primary swell from a East direction and 0.4m 10s secondary swell from a Southeast direction, 1.1m 6s secondary swell from a Southwest direction (forecast issued at 02:00pm February 15). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (15 Feb)--
Afternoon (15 Feb)3.5ft (1.1m)5s
Evening (15 Feb)2ft (0.6m)13s

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

Updates in  hr  min  s Forecast update imminent
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM
Rating
(10 max)
0
0
0
0
0
0
2
0
0
0
0
0
1
1
1
0
1
1
1
0
1
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.2
SW
0.4
E
0.6
ESE
0.6
E
1.3
SW
0.6
E
1.3
WSW
0.7
ESE
0.7
E
1.5
ENE
1.6
ENE
1.7
ENE
2.1
ENE
2.2
ENE
2
ENE
1.7
ENE
1.4
ENE
1.2
ENE
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
Period(s) (?)514131361361212677888976111212121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)8374139126128121110152141170223270487627567407197113899595939089
Wind
(km/h)
25
SW
25
SW
20
SW
20
SW
25
WSW
20
WSW
10
N
20
NNE
30
NE
30
ENE
30
ENE
30
ENE
30
NE
35
NNE
25
NNE
25
NNE
20
NE
20
NE
10
NE
15
ENE
10
N
15
N
15
N
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrossoffcross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
3:03PM
1.25
5:07AM
1.26
3:44PM
1.33
5:25AM
1.31
4:22PM
1.40
5:45AM
1.34
Low Tide
/ height (m)
9:58AM
0.82
10:10PM
0.02
10:23AM
0.72
10:40PM
-0.02
10:50AM
0.62
11:09PM
-0.03
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise-------6:24-------6:24-------6:22
Sunset-5:20-------5:21-------5:22------
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
-----------132----------
Temp. °C1515141314131112111098644688787667
Feels °C (?)10101191010874331-1-4-3-122344224
  • 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

Latest Updates

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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