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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 am Wednesday 11 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
17.4° C
 (Which is slightly warmer than usual)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 6AM is: 2.4m 7s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a Northeast direction, 0.1m 10s secondary swell from a Southeast direction (forecast issued at 02:00am February 11). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (11 Feb)10ft (3.0m)8s
Afternoon (11 Feb)6.5ft (2.0m)8s
Evening (11 Feb)4.5ft (1.4m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
11
Thursday
12
Friday
13
0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM
Rating
(10 max)
0
0
0
0
3
3
2
1
2
2
1
2
1
2
1
0
1
0
0
0
0
0
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
SW
1.9
SW
2.4
SSW
3
SSW
2.5
SSW
2
SSW
1.8
SSW
1.4
S
1.6
SSW
1.4
SSW
1.2
NE
1.3
NE
0.9
SSW
1.1
NE
0.9
NE
0.6
SW
0.5
SW
0.5
SW
0.4
SW
0.4
E
0.3
SW
0.3
SW
1.1
WSW
0.6
SW
Period(s) (?)667888999977877888847766
Wave
Graph
(?)Metric surfscale
Energy kJ (?)22127556298210325364932843802811471699611584413130206878025
Wind
(km/h)
40
SW
40
SW
40
SW
40
SW
20
WNW
15
NNW
15
N
15
NE
15
NNE
15
NNE
20
N
20
N
10
NNE
10
NNE
10
NE
10
ENE
5
NNE
15
N
15
N
10
NNW
0
SSW
5
SSW
10
NNE
5
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
on		cross-
on		cross-
off		offoffcross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		cross-
off		cross-
off		crosscross-
off		offcross-
off		offglasscross-
on		cross-
off		cross-
off
High Tide
/ height (m)
9:12AM
1.14
10:23AM
1.08
4:30AM
1.08
1:01PM
1.08
Low Tide
/ height (m)
6:41PM
0.40
8:07PM
0.30
8:50AM
0.99
8:59PM
0.19
Wednesday
11
Thursday
12
Friday
13
Sunrise---6:30-------6:28-------6:28----
Sunset-----5:15-------5:16-------5:17--
part cloud
part cloud
cloud
light rain
mod rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
cloud
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
Rain (mm)
---481-------1----------
Temp. °C121314139108987665567776691098
Feels °C (?)456657454300123443127765
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Amatu at:
surf-forecast.com

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