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 8 pm Tuesday 03 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 1AM is: 0.6m 8s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a Southwest direction (forecast issued at 08:00pm February 03). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (04 Feb)3ft (0.9m)5s
Afternoon (04 Feb)4.5ft (1.3m)6s
Evening (04 Feb)1.5ft (0.4m)14s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tue
03
Wednesday
04
Thursday
05
Friday
06
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
0
0
0
0
0
0
0
1
2
1
1
1
0
0
1
1
1
1
1
1
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.9
NE
0.7
NE
0.6
ENE
0.4
NE
0.8
SW
0.9
SW
1.1
SW
1.3
SW
1
SW
0.4
NE
1.2
SW
0.4
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.6
ENE
0.6
ENE
1
SW
1
SW
0.6
ENE
0.6
ENE
1.3
SW
Period(s) (?)78884556614613131212121212127712127
Wave
Graph
(?)Metric surfscale
Energy kJ (?)79574120234074101615210567108103999696949486869394162
Wind
(km/h)
5
ENE
5
S
10
SW
15
SW
20
WSW
20
WSW
25
WSW
25
WSW
15
WSW
10
W
10
NW
10
NNW
5
N
5
N
5
SW
10
SW
10
W
10
W
10
WNW
5
NW
5
NNW
5
N
0
SSE
0
SSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crossglasscross-
on		cross-
on		crosscross-
off		crosscrosscrosscross-
off		offoffoffglasscross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		glassglassglassglass
High Tide
/ height (m)
5:20PM
1.48
6:41AM
1.38
6:03PM
1.44
7:03AM
1.37
6:43PM
1.36
7:23AM
1.36
Low Tide
/ height (m)
12:04AM
-0.00
12:15PM
0.57
12:35AM
0.11
12:48PM
0.50
1:03AM
0.25
1:22PM
0.45
Tue
03
Wednesday
04
Thursday
05
Friday
06
Sunrise-----6:35-------6:35-------6:35--
Sunset-------5:08-------5:09-------5:10
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
cloud
clear
clear
clear
cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
Rain (mm)
------------------------
Temp. °C8889981011109877811121110988101213
Feels °C (?)4543323455433478775457911
  • 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

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal
travel
Surf Forecast

Save Up to 20% on SIXT Rental Cars Worldwide – Exclusive Surf-Forecast Deal

Surf road trips just got even better. Surf-Forecast users can now save up to 20% on SIXT rental cars worldwide during the promotional period until March 31, 2026. Whether you’re planning a legendary California road trip, chasing waves along Europe’s coasts, or exploring remote surf destinations, this exclusive SIXT offer helps you travel smarter and cheaper. And if you want some inspiration on where to go, check out our article Five Iconic Surf Road Trips. Click and get your SIXT discount

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