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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Tuesday 17 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
15.6° C
 (Which is slightly cooler than normal)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 8PM is: 1.4m 6s primary swell from a East-northeast direction and 1.1m 6s secondary swell from a East-northeast direction, 0.6m 12s secondary swell from a East direction (forecast issued at 02:00pm February 17). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Feb)--
Afternoon (17 Feb)5ft (1.5m)7s
Evening (17 Feb)4.5ft (1.3m)6s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM
Rating
(10 max)
1
1
0
2
1
1
2
2
2
1
2
2
1
0
0
2
1
0
0
0
1
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
ENE
1.5
ENE
1.4
ENE
1.3
ENE
0.6
E
0.6
E
0.7
E
1.4
E
1.4
E
1.4
E
1.2
E
1.4
SW
1.3
SW
0.9
SW
0.6
E
0.6
E
0.6
E
0.5
E
0.6
E
0.6
E
0.6
E
0.4
ENE
0.4
ENE
0.5
E
Period(s) (?)7766121111999988812121212121212161513
Wave
Graph
(?)Metric surfscale
Energy kJ (?)327204149136959211429931332024122320110010010210272103103103817982
Wind
(km/h)
25
NNE
20
NE
20
ENE
15
NE
15
N
15
N
10
NNE
10
N
5
WSW
15
WSW
10
W
10
NNW
30
NNW
30
N
25
N
25
N
10
NW
10
WSW
10
WSW
10
SW
10
SW
5
SSW
5
NW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		crosscross-
off		offoffcross-
off		offglasscrosscross-
off		offoffcross-
off		cross-
off		offoffcrosscrosscross-
on		cross-
on		cross-
on		offoff
High Tide
/ height (m)
4:22PM
1.40
5:45AM
1.34
5:01PM
1.44
6:06AM
1.37
5:41PM
1.44
6:28AM
1.37
Low Tide
/ height (m)
10:50AM
0.62
11:09PM
-0.03
11:18AM
0.51
11:39PM
0.01
11:49AM
0.41
12:09AM
0.10
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Sunrise-------6:22-------6:22-------6:20
Sunset-5:22-------5:22-------5:23------
cloud
cloud
cloud
cloud
cloud
light rain
clear
cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
part cloud
Rain (mm)
-----1------------------
Temp. °C8877655791198743479888978
Feels °C (?)132321146654-2-5-5-425444635
  • 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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