Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Friday 06 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 5PM is: 1.1m 7s primary swell from a Southwest direction and 0.5m 11s secondary swell from a Northeast direction (forecast issued at 08:00am February 06). An open ocean swell of 2.3m 7s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (06 Feb)4.5ft (1.3m)6s
Afternoon (06 Feb)3.5ft (1.1m)7s
Evening (06 Feb)3.5ft (1.1m)7s

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

Updates in  hr  min  s Forecast update imminent
Friday
06
Saturday
07
Sunday
08
Mon
09
6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM
Rating
(10 max)
0
1
2
1
2
2
1
0
0
1
3
2
1
2
0
1
0
1
0
0
1
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
1.4
SW
1.3
SW
1.3
SW
1.1
SW
1.2
SW
1.1
SW
1
SW
0.6
ENE
1.5
ENE
2.2
NE
2.5
NE
1.7
ENE
1.6
ENE
1.4
ENE
1.6
ENE
1.1
ENE
1.2
ENE
1.2
ENE
1.7
NE
1.5
NE
0.8
SW
0.8
SW
0.8
SW
0.8
SW
Period(s) (?)7677777117889877666779101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)17815013811615213710082205535844463339197216104110110255206104133144110
Wind
(km/h)
15
WSW
20
W
15
W
10
W
5
NNE
15
NNE
15
N
25
NE
30
ENE
25
NE
20
NNE
20
NE
20
NE
10
NE
15
SE
15
WNW
20
WNW
20
NNW
25
N
25
N
25
N
40
NNW
35
NNW
25
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
cross-
off
cross-
off
offcross-
off
cross-
off
offoffoffoff
High Tide
/ height (m)
7:23AM
1.36
7:22PM
1.25
7:42AM
1.33
8:03PM
1.13
8:01AM
1.31
8:51PM
1.00
Low Tide
/ height (m)
1:22PM
0.45
1:28AM
0.39
1:59PM
0.42
1:50AM
0.52
2:41PM
0.42
2:09AM
0.65
Friday
06
Saturday
07
Sunday
08
Mon
09
Sunrise-6:35-------6:33-------6:33------
Sunset---5:10-------5:12-------5:13----
clear
cloud
cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
light rain
cloud
cloud
part cloud
cloud
part cloud
cloud
clear
part cloud
Rain (mm)
-------113553312--------
Temp. °C91213141210998533435541211100
Feels °C (?)478985431-2-3-3-2001-2-5-5-6-7-10-10-8
  • 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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