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Amatu ratings
Quality on a good day: 3.0
Consistency of Surf: 2.0
Difficulty Level: 1.0

…

Overall: 2.7

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Based on 1 vote. Vote

Surf Forecasts
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Amatu location mapGet alerts temp

Amatu Surf Forecast / Chiba / Japan

12 Day Weather and Surf, issued 8 pm Saturday 01 Apr 2023 JST
Forecast update in  hr  min  s 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 17.3 °C (Statistics for 01 Apr 1981-2005 - mean: 17.3 max: 18.6 min: 15.8 °C)
Icon breakBreak
Icon legend buoysLive Wave Height (m)
Icon legend windLive Wind Speed (km/h)
Amatu.12
Map placeholder
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 17.3 °C (Statistics for 01 Apr 1981-2005 - mean: 17.3 max: 18.6 min: 15.8 °C)

Eyeball surf reportRecent Eyeball Surf Reports for Chiba

  1. weather stationWind Update Continuing clean conditions at Amatu (light winds from the N at Katsuura 11 km from Amatu).

    1 hour 22 minutes ago Amatu
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1 h 22 min ago

Light
9 km/h
N
Clean
Please reload the page to see if there are any updates.

Best Forecast Surf Conditions for Amatu this week:

The surf forecast for Amatu over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Apr 02) at 3PM. The primary swell is predicted to be 1.9m and 7s period with a secondary swell of 0.1m and 12s. Another secondary swell of 0.1m and 16s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Amatu in the next 12 days are 2.4m 10s and forecast to arrive on Tuesday (Apr 04) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 6s period and expected on Sunday (Apr 09) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3PM (Sun 2nd Apr)6ft (1.9m) 7s
Best Surf 6PM (Sat 8th Apr)10ft (3.0m) 7s
Most Powerful 6AM (Tue 4th Apr)8ft (2.4m) 10s

Table - best surf conditions forecast for Amatu over the next 12 days.

Hourly12 daysChiba Surf
Icon printPrint Surf Table
Updates in  hr  min  s Update imminent 
Sunday
02
Monday
03
Tuesday
04
Wednesday
05
Thursday
06
Friday
07
Saturday
08
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thu
13
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
001122442320000000042230000000000222
Swell
Height Map
See all maps
T japan.htsgw.metric.6.cc23
T japan.htsgw.metric.21.cc23
T japan.htsgw.metric.45.cc23
T japan.htsgw.metric.69.cc23
T japan.htsgw.metric.93.cc23
T japan.htsgw.metric.117.cc23
T japan.htsgw.metric.141.cc23
T japan.htsgw.metric.165.cc23
T japan.htsgw.metric.189.cc23
T japan.htsgw.metric.213.cc23
T japan.htsgw.metric.237.cc23
T japan.htsgw.metric.261.cc23
T japan.htsgw.metric.285.cc23
Wave Height (m) & direction (?)
0.8
SE
1.5
E
1.9
E
1.7
ENE
2.1
ENE
2.2
ENE
1.9
ENE
2.1
ENE
1.5
ENE
1.3
ENE
1.2
ENE
0.9
ENE
0.8
ENE
0.7
ENE
0.7
ENE
1
ESE
1.3
ESE
1.4
ESE
1.6
ESE
1.7
E
1.5
E
2.4
SW
1
E
1
SW
0.6
E
0.3
E
0.4
ESE
0.6
SW
0.4
SW
0.4
SE
0.7
SW
1.8
SW
2.3
SW
2.2
SW
2.1
SW
2.5
SW
Period(s) (?)8677889101011111111111012111112121291191011106611667777
Wave
Graph
(?)Metric surfscale
Energy (?)69149309244549597522815469400337176149999226041649473082760482723116272213325133043206478503404720
Wind
(km/h)
15
ENE
25
ENE
30
NE
30
NNE
30
NE
30
NE
20
NNE
15
NE
15
E
5
SSW
15
SSW
15
S
20
SSW
25
SSW
25
SSW
25
SSW
30
SSW
35
SW
40
SSW
20
NE
20
ENE
35
N
25
NNW
20
SSW
10
SW
25
SW
30
SW
20
WSW
15
WSW
30
SW
35
SSW
45
SSW
35
SW
30
N
5
ENE
15
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
off		crossoffoffcross-
on		crosscrosscrosscrosscrosscross-
on		cross-
on		cross-
on		crosscross-
off		crosscross-
on
High Tide
/ height (m)
3:30AM
1.13
2:26PM
1.10
3:44AM
1.19
3:10PM
1.19
3:59AM
1.24
3:47PM
1.27
4:16AM
1.29
4:23PM
1.32
4:34AM
1.33
4:59PM
1.35
4:55AM
1.35
5:37PM
1.36
5:17AM
1.37
6:19PM
1.33
5:40AM
1.36
7:04PM
1.27
6:05AM
1.35
7:56PM
1.19
6:30AM
1.32
9:03PM
1.11
6:59AM
1.27
10:42PM
1.05
7:34AM
1.21
Low Tide
/ height (m)
9:11AM
0.71
9:01PM
0.24
9:32AM
0.58
9:34PM
0.22
9:55AM
0.45
10:04PM
0.22
10:19AM
0.32
10:33PM
0.26
10:45AM
0.19
11:01PM
0.31
11:14AM
0.09
11:30PM
0.40
11:44AM
0.01
12:00AM
0.50
12:18PM
-0.03
12:30AM
0.62
12:56PM
-0.03
1:01AM
0.75
1:41PM
0.02
1:33AM
0.86
2:38PM
0.09
2:16AM
0.96
3:56PM
0.18

Note: the tide data above is for Kazusa Katuura, Tiba, Japan which is 6 km away. Surf properties and timing are calculated for Amatu.New forecast is published every 6 hours at www.surf-forecast.com. See detailed tide info and graph
Offshore winds at Amatu blow from the NNW

Sunday
02
Monday
03
Tuesday
04
Wednesday
05
Thursday
06
Friday
07
Saturday
08
Sunday
09
Monday
10
Tuesday
11
Wednesday
12
Thu
13
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
rain showerscloudlight rainpart cloudpart cloudclearclearclearclearclearclearpart cloudpart cloudpart cloudpart cloudpart cloudcloudcloudrain showerscloudlight rainrain showersclearclearclearpart cloudcloudclearclearclearpart cloudrain showersrain showersclearclearclear
Summaryrain shwrscloudylight rainsome cloudssome cloudsclearclearclearclearclearclearsome cloudssome cloudssome cloudssome cloudssome cloudscloudycloudyrain shwrscloudylight rainrain shwrsclearclearclearsome cloudscloudyclearclearclearsome cloudsrain shwrsrain shwrsclearclearclear
Rain (mm)
1-1---------------1-12---------31---
Temp. °C161513111212101414131515151818171918181513101515141817161919181917111314
Low °C151412111111911131314151517171719181614138131413171614171817181691214
Feels °C (?)12107444410101111111213131214131212931110101110111414121210199
Sunrise-5:26--5:24--5:22--5:20--5:20--5:18--5:16--5:16--5:15--5:13--5:11--5:11-
Sunset--6:00--6:00--6:01--6:01--6:02--6:04--6:05--6:06--6:06--6:07--6:07--6:08

Short Range Forecast: Light rain (total 2mm), mostly falling on Sat night. Very mild (max 16°C on Sat night, min 9°C on Mon night). Winds decreasing (fresh winds from the NE on Sun afternoon, light winds from the ESE by Tue afternoon).

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Fri morning, min 13°C on Tue night). Winds increasing (light winds from the SSE on Tue night, fresh winds from the SW by Fri afternoon).

Days 6-9 Weather Summary Light rain (total 4mm), mostly falling on Fri night. Very mild (max 18°C on Fri night, min 8°C on Sat night). Winds decreasing (strong winds from the SSW on Fri night, light winds from the W by Sun night).

Long Range Forecast: Light rain (total 4mm), mostly falling on Wed morning. Very mild (max 19°C on Tue morning, min 9°C on Wed night). Winds decreasing (strong winds from the SSW on Wed morning, light winds from the ENE by Thu morning).

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.


Information about the Amatu Surf forecast

The above surf forecast table for Amatu provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Amatu can be found by selecting the local surf guide option on the grey menu. Our Amatu surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Amatu) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Amatu may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Amatu is 9 km (6 miles) from Kawaguchi. If you plan a holiday in Chiba, look for hotels and other accommodation in Kawaguchi. Kawaguchi has rooms for a wide range of budgets as well as car hire and transport links.

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