Snow-ForecastSnow-ForecastMountain-ForecastMountain-ForecastTide-ForecastTide-ForecastWeather-ForecastWeather-Forecast
Search by country, region, or break
Search by country, region, or break

Quick Links

Surf Forecasts:

Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Thursday 08 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
16.7° C
 (Which is 1.1°C colder than average for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 4PM is: 0.2m 11s primary swell from a East direction (forecast issued at 02:00pm January 08). An open ocean swell of 1.4m 8s is not directed at the surf break, a second open ocean swell of 3.0m 8s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (08 Jan)--
Afternoon (08 Jan)0.5ft (0.2m)11s
Evening (08 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
Thursday
08
Friday
09
Saturday
10
Sunday
11
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
E
0.2
E
1.1
SW
0.9
SW
0.6
SW
1.1
NE
1
NE
0.8
NE
0.4
NE
0.2
E
0.2
E
0.2
E
0.2
E
0.6
SW
0.8
SW
1.1
SW
1.6
SW
1.8
SW
1.7
SW
2.5
SSW
3
SW
3.5
SW
3
SW
0.2
E
Period(s) (?)1111888898611111110445666788813
Wave
Graph
(?)Metric surfscale
Energy kJ (?)99151107541671528612999812196116322121063512071398132713
Wind
(km/h)
30
W
20
NNW
25
NNE
25
N
30
N
25
N
20
N
15
N
5
N
5
S
5
S
10
SSE
5
WSW
15
WSW
25
WSW
30
SW
40
SW
40
SW
40
SW
45
SW
50
SW
45
SW
45
WSW
50
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		offcross-
off		cross-
off		offoffcross-
off		cross-
off		glassglassglassonglasscrosscrosscross-
on		crosscrosscrosscrosscrosscrosscrosscross
High Tide
/ height (m)
7:37PM
1.26
8:47AM
1.33
8:28PM
1.13
9:13AM
1.31
9:35PM
1.01
Low Tide
/ height (m)
2:00PM
0.72
2:08AM
0.36
2:50PM
0.68
2:38AM
0.52
3:50PM
0.63
3:09AM
0.67
Thursday
08
Friday
09
Saturday
10
Sunday
11
Sunrise-------6:48-------6:48-------6:47
Sunset-4:43-------4:44-------4:45------
clear
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
cloud
cloud
cloud
clear
part cloud
clear
clear
cloud
part cloud
clear
part cloud
cloud
part cloud
Rain (mm)
------------------------
Temp. °C1111663334677899811121314141414119
Feels °C (?)35-2-2-6-5-4-2244475143555441-3
  • 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

Latest Updates

The World’s Most Inconsistent Waves
Ben Mondy

The World’s Most Inconsistent Waves

Huntington, Dribbleton, Virginia, Holland and the Superbank! We recently had a look at the world’s most consistent waves. This was based on the combination of swells and wind directed at 7,000 surf spots, as compiled from our data since 2006. Those stats, represented in easy-to-read graphics, are located under each wave’s spot guides, with historical swell and wind breakdowns available by month, season, and year. There is also an offshore filter, which shows how often the swells come with clean

Read more

Read more

Discover more articles and updates in the Greenroom.

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

Nearest locationNearest
Nearest locationNearest
Nearest locationNearest