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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 pm Thursday 22 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
16.6° C
 (Which is slightly cooler than normal)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 11PM is: 0.9m 8s primary swell from a Southwest direction and 0.6m 10s secondary swell from a Southeast direction (forecast issued at 08:00pm January 22). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (22 Jan)--
Afternoon (22 Jan)--
Evening (22 Jan)3ft (0.9m)8s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Thu
22
Friday
23
Saturday
24
Sunday
25
6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM
Rating
(10 max)
0
1
2
1
1
1
1
0
0
1
1
0
0
0
0
0
0
0
0
1
2
2
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.6
SE
0.9
SW
0.9
SW
0.8
SW
0.8
SW
0.8
SW
0.6
SW
0.6
SW
0.4
NE
0.4
NE
0.9
SW
0.4
NE
0.4
SE
0.3
NE
0.3
NE
0.2
ENE
0.2
ENE
0.2
ENE
0.2
ENE
1.7
SW
1.6
SW
1.3
SW
1.1
SW
0.9
SW
Period(s) (?)118888888121281110111111111110910101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)9411510784777751504950913324191912111110481432303208160
Wind
(km/h)
5
E
20
NNE
10
N
5
NNW
10
N
10
NNE
5
N
10
S
5
S
5
SSW
10
W
20
W
30
WSW
35
W
45
WSW
45
WSW
50
WSW
40
W
30
W
15
NW
20
NNW
20
NNW
20
NNW
15
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
off		offoffoffcross-
off		glasscross-
on		onglasscross-
off		cross-
off		crosscross-
off		crosscrosscrosscross-
off		cross-
off		cross-
off		offoffoffcross-
off
High Tide
/ height (m)
6:26PM
1.38
7:44AM
1.35
7:09PM
1.31
8:07AM
1.33
7:59PM
1.20
8:31AM
1.31
Low Tide
/ height (m)
1:05AM
0.14
1:27PM
0.58
1:35AM
0.29
2:08PM
0.53
2:05AM
0.46
Thu
22
Friday
23
Saturday
24
Sunday
25
Sunrise-----6:43-------6:43-------6:43--
Sunset-------4:57-------4:58-------4:59
cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C433224565555579986543466
Feels °C (?)0-4-2-3-3-211110-1-3-3-2-3-4-4-3-2-4-3-10
  • 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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