Amatu surfForecast / Chiba / Japan

information circle48hr Weather and Surf, issued 2 pm Tuesday 08 Jul 2025 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
26.2° C
(Which is 1.5°C warmer than normal for this time of year)


How big are the waves at Amatu today?

The current surf forecast for Amatu at 4PM is: 0.9m 9s primary swell from a East direction and 0.4m 12s secondary swell from a Southeast direction, 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 02:00pm July 08). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (08 Jul)--
Afternoon (08 Jul)3ft (0.9m)9s
Evening (08 Jul)2.5ft (0.8m)8s

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

Updates in  hr  min  s Forecast update imminent
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM0AM3AM6AM9AM12PM3PM6PM9PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1
E
0.9
E
0.9
E
0.8
ESE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.5
SE
0.7
SE
0.6
ESE
0.6
ESE
0.6
ESE
0.5
ESE
0.7
ESE
0.8
ESE
0.9
ESE
0.9
ESE
0.9
ESE
1.1
SE
1
SE
1.1
SE
1.7
NE
1.8
NE
1.7
NE
1.7
NE
1.6
NE
1.6
NE
1.5
NE
1.4
NE
1.4
ENE
1.3
ENE
1.1
SE
1.2
SE
1.3
SE
1.3
SE
1.3
SE
1.2
SE
1
SE
1.1
SE
1.1
SE
0.9
SE
0.9
ESE
0.9
ESE
1.2
ESE
1.3
ESE
1.4
ESE
1.7
ESE
1.5
ESE
1
E
1.7
ESE
1.7
ESE
2.1
ESE
2.1
ESE
2.3
ESE
2.5
SE
3
SE
Period(s) (?)99981212111111111111811111111111010109989678888888799109998888101010101099111010101091011
Wave
Graph
(?)Metric surfscale
Energy (?)239184180150136137121123135135133133148132122124113146154173161158178175334400462466502464414368368341350340512383346311281249237245215267293319361411527440412616605850844100312942351
Wind
(km/h)
15
SSE
15
S
15
SSW
15
SSW
15
SSW
15
SSW
15
SSW
15
SSW
20
S
20
S
15
S
15
S
10
S
10
S
10
SSW
10
S
15
SSE
15
SSE
10
SE
25
NE
25
NE
25
NE
25
NNE
25
NNE
30
NNE
30
NNE
30
NNE
25
NNE
25
NNE
25
NNE
20
NNE
20
NNE
20
NE
20
ENE
15
ENE
10
NE
10
NNE
10
NNE
10
N
5
NNE
10
SSW
20
SSW
20
SSW
25
SSW
20
SW
20
SW
20
SSW
20
S
15
S
15
SSE
10
SE
15
SSE
30
SSE
30
SSE
25
S
30
S
25
S
25
S
25
S
25
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononononcross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
glasscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononononononononcross-
on
cross-
on
onon
High Tide
/ height (m)
4:53PM
1.28
2:28AM
1.32
5:26PM
1.33
3:12AM
1.36
5:56PM
1.37
3:53AM
1.41
6:25PM
1.41
4:35AM
1.44
6:54PM
1.43
5:16AM
1.46
7:23PM
1.44
6:00AM
1.45
7:51PM
1.43
6:45AM
1.41
8:19PM
1.42
Low Tide
/ height (m)
9:17AM
0.21
9:36PM
1.03
9:56AM
0.13
10:19PM
1.00
10:33AM
0.07
10:55PM
0.97
11:09AM
0.03
11:29PM
0.94
11:45AM
0.02
12:03AM
0.90
12:20PM
0.05
12:39AM
0.85
12:56PM
0.13
1:17AM
0.80
1:31PM
0.25
Tuesday
08
Wednesday
09
Thursday
10
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Sunrise------4:31-------4:31-------4:33-------4:33-------4:33-------4:35-------4:35-----
Sunset--6:55-------6:55-------6:55-------6:54-------6:54-------6:54-------6:53-------6:53-
clearclearclearclearclearclearclearclearclearclearclearclearclearclearclearthunderstorm clearthunderstorm thunderstorm light rainlight rainlight raincloudcloudlight rainrain showerslight rainlight rainlight raincloudlight rainpart cloudpart cloudclearclearpart cloudclearpart cloudclearclearclearclearclearclearclearclearpart cloudclearpart cloudcloudcloudthunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm thunderstorm
Rain (mm)
---------------1-12511--11111-1--------------------121244536
Temp. °C292928262626262829282726262626282929272222212122222221212020202125252322212121252726262626252627282826262627272827272726
Feels °C (?)323131292930293131303030303030313232312222202021202019201919192024242424222222272825262626262828293029292728292928292927
  • 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

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