Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 am Saturday 22 Nov 2025 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
19.7° C
(Which is 1.3°C colder than average for this time of year)


How big are the waves at Amatu today?

The current surf forecast for Amatu at 6AM is: 0.4m 11s primary swell from a East-southeast direction and 0.6m 7s secondary swell from a Southwest direction (forecast issued at 02:00am November 22). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (22 Nov)1.5ft (0.4m)11s
Afternoon (22 Nov)2.5ft (0.7m)6s
Evening (22 Nov)1.5ft (0.5m)10s

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

Updates in  hr  min  s Forecast update imminent
Saturday
22
Sunday
23
Monday
24
0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
1
0
1
1
0
0
0
0
0
0
1
2
2
2
2
2
2
2
2
2
2
2
2
2
Swell
Height Map
Wave Height (m) & direction (?)
1.1
SW
0.8
SW
0.4
ESE
0.4
ESE
0.4
ESE
0.7
NE
0.5
E
0.5
E
0.5
E
0.5
E
1.1
ESE
1.2
ESE
1.4
SE
1.5
SE
1.8
SE
1.8
SE
1.7
SE
1.8
SE
1.7
ESE
1.3
SE
1.7
ESE
1.5
ESE
1.4
ESE
1.3
ESE
Period(s) (?)7711111061010101067777788888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)13654383742385451494891116163212284331326378365216356300248237
Wind
(km/h)
15
N
15
NNE
15
N
15
NNE
20
ENE
15
ENE
15
ENE
15
ENE
10
ENE
10
E
5
NE
10
N
10
NNE
5
NNE
10
ENE
10
N
10
NNW
10
NNW
10
NNW
10
NNW
5
W
5
WSW
10
WNW
5
WNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
crosscrosscrosscrosscrosscrossglassoffcross-
off
glasscrossoffoffoffoffoffcross-
off
glasscross-
off
glass
High Tide
/ height (m)
6:20AM
1.36
4:33PM
1.45
7:00AM
1.34
5:04PM
1.43
7:44AM
1.31
5:36PM
1.39
Low Tide
/ height (m)
11:11PM
0.08
11:21AM
0.93
11:44PM
0.08
11:54AM
0.96
12:20AM
0.12
12:30PM
0.99
Saturday
22
Sunday
23
Monday
24
Sunrise---6:18-------6:20-------6:20----
Sunset-----4:30-------4:29-------4:29--
clear
clear
clear
clear
cloud
cloud
part cloud
cloud
part cloud
part cloud
rain showers
cloud
cloud
part cloud
part cloud
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
----------1----45-------
Temp. °C131312141514141415151515151616141413121315161414
Feels °C (?)998111110111113141414141515131311101113141112
  • 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

Latest Updates

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.


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