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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Monday 19 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
15.9° C
 (Which is 1.5°C colder than average for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 5PM is: 0.6m 14s primary swell from a East-northeast direction and 0.7m 6s secondary swell from a East-southeast direction, 0.8m 4s secondary swell from a Southwest direction (forecast issued at 02:00pm January 19). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (19 Jan)--
Afternoon (19 Jan)1.5ft (0.4m)14s
Evening (19 Jan)2.5ft (0.7m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
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
0
0
0
0
0
0
1
1
1
1
2
0
1
0
0
1
1
1
0
0
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1
ESE
0.4
ENE
0.6
ENE
0.7
ENE
1.8
SW
0.7
ENE
0.7
ENE
1.4
SW
0.7
ENE
0.6
ENE
0.6
ENE
0.9
ENE
0.9
NE
0.8
NE
0.4
NE
0.6
ENE
1.1
NE
0.4
ENE
0.6
SE
0.6
SE
0.6
SE
0.6
SE
0.8
SE
0.7
SE
Period(s) (?)61414146131271212121110101414814101010101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)65821361612001491361681259110719616011751127165737979797710888
Wind
(km/h)
5
WNW
25
WSW
35
SW
40
SW
40
WSW
40
WSW
20
WNW
25
NNE
20
NE
15
NE
20
N
20
N
25
N
25
N
20
NNE
20
NNE
15
N
10
NNE
10
NE
10
SE
15
WNW
15
NNW
10
NNW
15
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscrosscrosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
off		offoffoff
High Tide
/ height (m)
4:30PM
1.40
6:33AM
1.35
5:07PM
1.42
6:56AM
1.36
5:46PM
1.42
7:20AM
1.36
Low Tide
/ height (m)
11:16AM
0.82
11:35PM
-0.05
11:46AM
0.76
12:05AM
-0.03
12:17PM
0.70
12:35AM
0.04
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Sunrise-------6:45-------6:45-------6:43
Sunset-4:52-------4:53-------4:54------
clear
clear
clear
cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
rain showers
rain showers
clear
clear
part cloud
Rain (mm)
-------------------11---
Temp. °C13131414151512109876320013244213
Feels °C (?)118866674330-1-5-6-6-6-5-1-21-1-3-4-3
  • 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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