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Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Monday 16 Feb 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 normal for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 11AM is: 0.7m 12s primary swell from a East direction and 0.4m 5s secondary swell from a Southwest direction (forecast issued at 08:00am February 16). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (16 Feb)2.5ft (0.7m)12s
Afternoon (16 Feb)5ft (1.6m)6s
Evening (16 Feb)5.5ft (1.7m)7s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Monday
16
Tuesday
17
Wednesday
18
Thu
19
6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM
Rating
(10 max)
2
0
0
0
0
0
0
1
1
1
1
1
2
1
1
1
1
1
0
0
2
2
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
WSW
0.7
E
0.7
E
1.6
ENE
1.7
ENE
1.7
ENE
2
ENE
2.4
ENE
2.2
ENE
1.9
ENE
1.7
ENE
1.5
ENE
1.3
ENE
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
0.6
E
1.2
SW
1.1
SW
0.6
E
Period(s) (?)61212677788897612121211111111118812
Wave
Graph
(?)Metric surfscale
Energy kJ (?)119144141179265278384653619516454206125959593898989899018214598
Wind
(km/h)
10
NNW
20
NNE
30
NE
30
ENE
30
ENE
30
ENE
30
NE
35
NE
30
NNE
25
NNE
20
NE
20
NE
15
NE
15
NE
15
N
15
N
10
N
10
N
10
SW
15
W
10
NW
15
NNW
25
NNE
30
N
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offcross-
off		cross-
off		crosscrosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offcross-
off		offcross-
on		cross-
off		offoffcross-
off		cross-
off
High Tide
/ height (m)
5:07AM
1.26
3:44PM
1.33
5:25AM
1.31
4:22PM
1.40
5:45AM
1.34
5:01PM
1.44
Low Tide
/ height (m)
10:23AM
0.72
10:40PM
-0.02
10:50AM
0.62
11:09PM
-0.03
11:18AM
0.51
11:39PM
0.01
Monday
16
Tuesday
17
Wednesday
18
Thu
19
Sunrise-6:24-------6:24-------6:22------
Sunset---5:21-------5:22-------5:22----
clear
clear
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
-----1221---------------
Temp. °C1113121010975457877665710119864
Feels °C (?)8953320-3-3-2133322146554-1-5
  • 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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