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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 am Thursday 12 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
17.0° C
 (Which is slightly warmer than usual)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 8AM is: 1.1m 8s primary swell from a South-southwest direction and 0.9m 7s secondary swell from a Northeast direction, 1.3m 7s secondary swell from a Northeast direction (forecast issued at 02:00am February 12). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Feb)4.5ft (1.4m)7s
Afternoon (12 Feb)3.5ft (1.1m)7s
Evening (12 Feb)3ft (0.9m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thursday
12
Friday
13
Saturday
14
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)
2
2
1
1
2
2
2
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
SSW
1.5
SSW
1.3
SSW
1.4
NE
0.9
SSW
1.1
NE
1.1
NE
0.9
NE
0.4
SW
0.5
SW
0.4
E
0.4
E
0.3
SW
0.5
SW
0.8
SW
0.7
SW
0.6
SW
0.6
SW
0.3
SE
0.3
SE
0.4
SE
0.4
SE
0.4
SE
1.1
SW
Period(s) (?)99978777884475777710101010104
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4273222371871221151157722306681161432828151524242543
Wind
(km/h)
10
NNE
15
N
15
N
15
NNE
10
NNE
10
N
10
NE
10
ENE
5
ENE
5
N
10
N
10
NNE
5
WSW
10
W
5
N
10
NNE
10
N
5
N
5
N
0
WSW
10
S
20
S
15
SSW
25
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crosscrossoffcross-
off		cross-
off		glasscross-
off		offcross-
off		cross-
off		cross-
off		glassglasscross-
on		oncross-
on		cross
High Tide
/ height (m)
10:23AM
1.08
4:30AM
1.08
1:01PM
1.08
4:38AM
1.15
2:15PM
1.16
Low Tide
/ height (m)
8:07PM
0.30
8:50AM
0.99
8:59PM
0.19
9:31AM
0.91
Thursday
12
Friday
13
Saturday
14
Sunrise---6:28-------6:28-------6:26----
Sunset-----5:16-------5:17-------5:19--
cloud
part cloud
part cloud
cloud
light rain
rain showers
cloud
cloud
cloud
light rain
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
Rain (mm)
----11---1--------------
Temp. °C88766567887791198878912141312
Feels °C (?)442121346544786554679996
  • 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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