Amatu Surf Break

Amatu 48 hour detailed Surf Forecast

Lat Long: 35.12° N 140.19° E

Issued: 2 pm 04 Jul 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
22.8° C

1.3°C colder than average for this time of year

Amatu surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Amatu today (04 Jul):

  • Afternoon surf: Afternoon surf (04 Jul, local time) - 2ft (0.6m), 8s period with ENE swell.
  • Evening surf: Evening surf (04 Jul, local time) - 2ft (0.6m), 8s period with E swell.

The current surf forecast for Amatu at 8PM is: 0.6m 8s primary swell from a East direction and 0.3m 10s secondary swell from a Northeast direction, 0.5m 4s secondary swell from a South direction (forecast issued at 02:00pm July 04). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (04 Jul)--
Afternoon (04 Jul)2ft (0.6m)8s
Evening (04 Jul)2ft (0.6m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 43mm), heaviest during Mon night. Warm (max 24°C on Sun morning, min 21°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the NE by Mon night).

Sat
4
Sunday
5
Monday
6
Tue
7
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
6 AM
9 AM
Rating
(10 max)
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
ENE
8
0.6
ENE
8
0.6
E
8
0.6
E
8
0.6
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
1.1
SE
5
1.2
SE
6
1.4
SE
6
1.7
SE
6
1.8
SE
6
2
ESE
6
2.4
ESE
7
2.5
ESE
7
2.5
ESE
7
2.4
ESE
7
2.4
ESE
7
2.1
E
7
2.1
E
7
1.4
SSE
15
1.5
SSE
15
Wave Graph
Metric surfscale
Energy kJ
45
50
46
48
46
30
30
29
29
55
88
138
224
251
329
512
686
687
621
595
478
452
886
1042
Wind (km/h)
15
SSE
15
SSE
15
SSE
10
SSE
10
S
5
S
5
SE
10
SE
20
SE
20
SE
15
SE
20
ESE
15
ESE
15
ESE
15
ESE
20
ESE
20
ESE
25
ESE
25
ESE
25
E
30
ENE
35
ENE
35
NE
30
NE
Wind State
on
on
on
on
on
glassy
glassy
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
cross
cross
cross-off
cross-off
High Tide
8:14PM1.36m
7:02AM1.31m
8:41PM1.35m
7:50AM1.24m
9:09PM1.34m
8:51AM1.16m
Low Tide
1:16PM0.21m
1:41AM0.81m
1:49PM0.31m
2:24AM0.77m
2:23PM0.44m
3:16AM0.71m
rain showers
rain showers
cloud
light rain
light rain
light rain
part cloud
rain showers
rain showers
light rain
cloud
cloud
cloud
light rain
cloud
cloud
light rain
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:30
4:30
4:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:57
6:57
6:57
6:55
 mm
2
1
1
2
2
1
2
1
1
3
4
4
5
5
7
2
1
Temp °C
23
23
23
22
22
21
22
23
24
23
23
22
22
22
22
22
21
21
21
21
21
21
21
21
Feels °C
24
24
24
24
24
24
25
25
24
23
24
22
22
23
22
22
21
20
20
20
19
18
18
18
Swell 1
Height (m)
Direction
Period (s)
0.6
ENE
8
0.6
ENE
8
0.6
E
8
0.6
E
8
0.6
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.5
E
8
0.4
ENE
8
0.4
ESE
10
0.4
ESE
10
0.4
SE
14
0.5
SE
14
0.6
SE
14
0.6
SE
14
0.7
SE
14
0.6
SE
13
0.8
SE
13
1
SE
14
0.9
SE
12
1
SE
13
1.4
SSE
15
1.5
SSE
15
Energy kJ
45
50
46
48
46
30
30
29
29
19
35
36
54
100
160
147
192
128
196
407
220
326
886
1042
Swell 2
Height (m)
Direction
Period (s)
0.3
SW
7
0.3
NE
10
0.3
NE
10
0.3
NE
10
0.3
SE
9
0.5
S
4
0.5
S
4
0.3
ESE
10
0.3
ESE
10
0.4
ESE
10
0.3
ENE
8
0.3
ENE
8
0.2
SSE
18
0.3
ESE
11
0.2
WSW
7
0.4
SE
17
0.4
SSE
17
0.6
SSE
16
0.6
SSE
15
0.1
SW
6
0.8
SSE
15
0.8
SSE
16
0.3
SW
7
0.3
SW
7
Energy kJ
7
16
15
15
13
9
9
21
21
35
11
11
32
23
4
76
113
169
158
2
256
318
7
7
Swell 3
Height (m)
Direction
Period (s)
0.3
NE
10
0.2
ESE
11
0.2
WSW
7
0.2
ESE
11
0.3
NE
10
0.3
ESE
11
0.3
ESE
10
0.2
SSE
10
0.2
SSE
10
0.2
SSE
10
0.2
SSE
9
0.3
SE
15
0.1
NE
9
0.1
SW
7
0.1
NE
8
0.2
WSW
7
0.1
SW
7
0.1
SW
7
0.1
SW
6
0.1
S
7
0.1
SW
6
0.1
SW
6
Energy kJ
16
12
4
12
15
23
22
10
10
9
8
34
3
2
3
4
2
2
2
1
2
2
Wind waves
Height (m)
Direction
Period (s)
0.4
SSE
5
0.4
SSE
5
0.5
S
3
0.6
S
4
0.6
S
4
0.6
S
4
0.5
S
4
0.5
SSE
4
1.1
SE
5
1.2
SE
6
1.4
SE
6
1.7
SE
6
1.8
SE
6
2
ESE
6
2.4
ESE
7
2.5
ESE
7
2.5
ESE
7
2.4
ESE
7
2.4
ESE
7
2.1
E
7
2.1
E
7
2.2
ENE
7
2.2
ENE
8
Energy kJ
9
9
6
12
13
12
9
10
55
88
138
224
251
329
512
686
687
621
595
478
452
498
555
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
3
1
2
3
3
3
Distance (km)
24
24
24
24
24
0
0
540
540
190
582
87
87
30
53
53
69
540
519
87
117
279
279
190
Best forecast wave conditions in Chiba
Rating
(10 max)
1
1
1
1
1
1
1
2
Best forecast wave conditions in Japan
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
3
3
3
3
3
3
Header Global
Rating
(10 max)
5
5
5
5
5
4
5
5
9
9
9
8
6
5
5
6
6
6
5
5
8
8
8
8
  • 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
How to use the Wavefinder 

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