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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Saturday 10 Jan 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
17.1° C
 (Which is slightly cooler than normal)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 5PM is: 2.1m 6s primary swell from a Southwest direction and 0.2m 10s secondary swell from a East direction, 0.1m 10s secondary swell from a Northeast direction (forecast issued at 02:00pm January 10). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (10 Jan)--
Afternoon (10 Jan)6ft (1.8m)6s
Evening (10 Jan)8ft (2.5m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Saturday
10
Sunday
11
Monday
12
Tuesday
13
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2
2
1
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
SW
1.8
SW
2.1
SW
2.5
SW
3
SW
3
SW
3
SW
2.5
SW
3
SW
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
1.8
SW
1.4
SW
1.2
SW
1
SW
0.9
SW
1.1
SW
2.1
SW
2.1
SW
2.3
SW
2.1
SW
Period(s) (?)56678888812121212121010109988777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)1382393526309411319116976910101212121212634388268163135184560466471398
Wind
(km/h)
40
SW
40
SW
45
SW
45
SW
55
SW
50
SW
35
SW
40
WSW
60
W
50
W
50
W
45
W
40
W
20
W
5
WNW
10
NE
5
NE
5
SSE
10
SSE
15
WSW
25
WSW
40
WSW
45
WSW
40
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscross-
on		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glassglassoncrosscrosscrosscrosscross
High Tide
/ height (m)
9:13AM
1.31
9:35PM
1.01
9:42AM
1.28
11:28PM
0.92
10:18AM
1.24
2:18AM
0.95
Low Tide
/ height (m)
3:50PM
0.63
3:09AM
0.67
5:04PM
0.58
3:44AM
0.81
6:25PM
0.50
4:44AM
0.93
Saturday
10
Sunday
11
Monday
12
Tuesday
13
Sunrise-------6:47-------6:47-------6:47
Sunset-4:45-------4:45-------4:45------
clear
clear
part cloud
clear
part cloud
light rain
light rain
cloud
clear
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
Rain (mm)
-----12-----------------
Temp. °C12131415151512101085443346767681012
Feels °C (?)34565541-4-5-8-8-7-4-1-12422-1-203
  • 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

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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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