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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Friday 09 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 6PM is: 0.4m 7s primary swell from a Northeast direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 02:00pm January 09). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Jan)--
Afternoon (09 Jan)1.5ft (0.5m)8s
Evening (09 Jan)0.5ft (0.2m)11s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
09
Saturday
10
Sunday
11
Monday
12
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
0
0
0
0
0
0
0
0
3
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
NE
0.5
NE
0.4
NE
0.2
E
0.2
E
0.6
SW
0.8
SW
1.2
SW
1.6
SW
1.7
SW
2.1
SW
2.5
SW
3
SW
3.5
SW
3.5
SW
3
SW
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
0.2
E
1.8
SW
1.4
SW
Period(s) (?)6871110445666788991312121212121010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)15291398122171163203341648993145218001309131212121212609388
Wind
(km/h)
10
NNE
5
SE
5
SE
5
SSE
10
SSW
20
SW
25
WSW
30
SW
40
SW
40
SW
40
SW
40
SW
45
SW
50
SW
35
WSW
45
WSW
60
W
55
W
50
W
40
W
35
W
15
W
0
ENE
15
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
on		ononcross-
on		crosscrosscrosscrosscrosscrosscrosscrosscross-
on		crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		glasscross-
off
High Tide
/ height (m)
8:28PM
1.13
9:13AM
1.31
9:35PM
1.01
9:42AM
1.28
11:28PM
0.92
Low Tide
/ height (m)
2:50PM
0.68
2:38AM
0.52
3:50PM
0.63
3:09AM
0.67
5:04PM
0.58
3:44AM
0.81
Friday
09
Saturday
10
Sunday
11
Monday
12
Sunrise-------6:48-------6:47-------6:47
Sunset-4:44-------4:45-------4:45------
clear
part cloud
part cloud
cloud
cloud
part cloud
cloud
clear
clear
clear
part cloud
part cloud
part cloud
light rain
light rain
clear
clear
clear
part cloud
part cloud
cloud
clear
clear
clear
Rain (mm)
-------------13---------
Temp. °C78781010810121314141414121096543334
Feels °C (?)343565223566554-1-6-8-8-7-7-30-2
  • 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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