Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am 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 1PM is: 1.1m 5s primary swell from a Southwest direction and 0.4m 10s secondary swell from a East-southeast direction, 0.3m 14s secondary swell from a East direction (forecast issued at 08:00am February 15). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (15 Feb)4ft (1.2m)6s
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
Wed
18
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
0
0
0
0
0
0
0
2
1
0
0
0
0
0
1
1
0
0
1
0
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.3
SW
1.2
SW
1.1
SW
0.4
E
0.6
E
0.6
E
1.4
SW
1.3
SW
1.3
SW
0.7
E
0.7
E
0.7
E
1.5
ENE
1.6
ENE
2
ENE
2.2
ENE
2.1
ENE
1.7
ENE
1.4
ENE
1.3
ENE
1.1
ENE
0.6
E
0.6
E
0.6
E
Period(s) (?)565141313666121212777888776121211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)868665741281261471241101441411391982273845965604322081441011109592
Wind
(km/h)
25
SW
25
SW
25
SW
25
SW
20
SW
20
SW
25
WSW
20
WSW
10
NNW
15
N
30
NE
30
ENE
30
ENE
30
ENE
30
NE
35
NE
30
NNE
25
NNE
25
NE
20
NE
10
ENE
10
E
5
NE
10
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrossoffcross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscross-
off
off
High Tide
/ height (m)
4:51AM
1.21
3:03PM
1.25
5:07AM
1.26
3:44PM
1.33
5:25AM
1.31
4:22PM
1.40
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
Wed
18
Sunrise-6:26-------6:24-------6:24------
Sunset---5:20-------5:21-------5:22----
cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
Rain (mm)
-------------1221-------
Temp. °C1414151614141413111212101096445788887
Feels °C (?)810101211101010986342-1-4-3-2024454
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest