Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 8 am Tuesday 26 May 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
20.9° C
(Which is normal for this time of year)

How big are the waves at Amatu today?

The current surf forecast for Amatu at 12PM is: 1.3m 8s primary swell from a East-southeast direction and 0.9m 10s secondary swell from a East-northeast direction (forecast issued at 08:00am May 26). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (26 May)3.5ft (1.0m)11s
Afternoon (26 May)4.5ft (1.3m)8s
Evening (26 May)4ft (1.2m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Wed morning. Warm (max 24°C on Wed morning, min 20°C on Tue night). Winds increasing (light winds from the E on Tue night, fresh winds from the SW by Thu night).

Tuesday
26
Wednesday
27
Thursday
28
Fri
29
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
12 AM
3 AM
Rating
(10 max)
1
1
1
1
1
0
1
2
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1
ENE
11
1
ENE
11
1.3
ESE
8
1.3
ESE
8
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.4
ESE
8
1.6
ESE
8
1.6
ESE
8
1.6
ESE
8
1.5
ESE
8
1.4
ESE
8
1.3
ESE
8
1.3
ESE
8
1.3
ESE
8
1.3
ESE
8
1.1
ESE
8
1.1
ESE
8
1.3
ESE
8
1.5
S
6
2
SSW
6
2.4
SSW
7
Wave Graph
Metric surfscale
Energy kJ
245
240
192
202
183
174
170
174
210
295
310
318
291
250
217
201
223
217
171
163
191
171
321
595
Wind (km/h)
10
ENE
10
ENE
15
ENE
15
ENE
15
ENE
10
E
10
E
10
NE
10
NNE
15
ENE
10
ENE
10
ESE
10
S
15
SSW
10
SW
15
SW
15
SSW
15
SSW
20
S
20
SSW
25
S
30
SW
35
SW
35
SW
cross
cross
cross
cross
cross
cross-on
cross-on
cross-off
cross-off
cross-off
cross
cross-on
on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
High Tide
1:39PM1.08m
1:18AM1.28m
2:46PM1.14m
1:53AM1.31m
3:39PM1.20m
2:25AM1.33m
Low Tide
7:30AM0.56m
7:02PM0.68m
8:15AM0.41m
7:57PM0.74m
8:52AM0.28m
8:46PM0.79m
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
cloud
rain showers
rain showers
light rain
part cloud
part cloud
part cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:28
4:28
4:28
4:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:43
6:44
6:45
6:45
1
1
1
Temp °C
20
22
23
23
21
20
20
20
21
22
24
24
23
22
21
20
21
21
22
22
22
23
23
22
20
22
23
23
21
21
22
22
23
23
26
26
25
23
22
20
21
21
22
22
21
22
21
19
Swell 1
Height (m)
Direction
Period (s)
1.2
SE
8
1.3
ESE
8
1.3
ESE
8
1.3
ESE
8
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.2
ESE
8
1.4
ESE
8
1.6
ESE
8
1.6
ESE
8
1.6
ESE
8
1.5
ESE
8
1.4
ESE
8
1.3
ESE
8
1.3
ESE
8
1.3
ESE
8
1.3
ESE
8
1.1
ESE
8
1.1
ESE
8
1.3
ESE
8
1.1
ESE
8
1
ESE
9
0.9
ESE
10
Energy kJ
178
187
192
202
183
174
170
174
210
295
310
318
291
250
217
201
223
217
171
163
191
167
162
163
Swell 2
Height (m)
Direction
Period (s)
1
ENE
11
1
ENE
11
0.9
ENE
10
0.9
ENE
10
0.9
ENE
10
0.9
ENE
10
0.9
ENE
10
0.7
ENE
10
0.6
ENE
10
0.5
ENE
10
0.5
ENE
10
0.4
ENE
10
0.5
ENE
11
0.4
ENE
11
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.4
ENE
10
0.4
ENE
11
0.4
ENE
11
0.4
NE
12
Energy kJ
245
240
187
180
146
146
143
100
77
51
54
42
64
44
42
40
41
41
42
42
42
44
48
34
Swell 3
Height (m)
Direction
Period (s)
0.4
S
7
0.4
S
7
0.3
S
7
0.2
S
6
0.2
S
6
0.2
S
6
0.2
ESE
14
0.2
ESE
14
0.2
ESE
14
0.2
ESE
14
0.2
ESE
14
0.2
ESE
14
0.2
ESE
14
0.2
ESE
14
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.2
ESE
13
0.3
ESE
13
0.3
ESE
13
0.2
ESE
10
0.4
ESE
12
0.1
S
16
Energy kJ
15
15
8
3
3
3
21
20
20
19
19
19
18
18
18
17
17
17
33
31
10
57
5
Wind waves
Height (m)
Direction
Period (s)
0.1
S
5
0.3
SW
5
0.6
SSW
4
0.5
S
4
0.9
S
4
1.1
S
6
1.3
S
6
1.5
S
6
2
SSW
6
2.4
SSW
7
Energy kJ
1
4
11
7
28
72
124
171
321
595
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
1
1
1
Distance (km)
16
16
16
40
16
24
24
0
0
0
16
24
24
24
24
96
35
24
24
30
184
189
96
75
Best forecast wave conditions in Chiba
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
2
Header Global
Rating
(10 max)
4
4
5
6
9
9
9
9
6
7
6
6
8
6
6
6
9
9
9
8
9
9
9
7
  • 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

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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest