Amatu Surf Break

Amatu 48 hour detailed Surf Forecast

Lat Long: 35.12° N 140.19° E

Issued: 8 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
22.3° C

Slightly cooler than normal

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 (19 Jun):

  • Evening surf: Evening surf (19 Jun, local time) - 3.5ft (1.1m), 7s period with SE swell.

The current surf forecast for Amatu at 12AM is: 1.2m 7s primary swell from a South-southeast direction and 0.7m 9s secondary swell from a Southwest direction (forecast issued at 08:00pm June 18). The wind direction is predicted to be glassy and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (19 Jun)--
Afternoon (19 Jun)--
Evening (19 Jun)3.5ft (1.1m)7s

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 44mm), heaviest during Sat night. Warm (max 25°C on Sun afternoon, min 20°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the SSW by Sun morning).

Thu
18
Friday
19
Saturday
20
Sunday
21
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
12 PM
3 PM
Rating
(10 max)
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
Swell
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)
1.1
SSE
7
1.1
SE
7
1.2
SSE
7
1
SSE
7
0.9
SSE
7
0.6
ENE
9
0.6
ENE
9
0.6
ENE
9
0.6
ENE
9
0.5
ENE
9
0.6
ENE
9
0.7
ENE
9
0.8
ENE
9
0.8
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
1
ENE
9
1
ENE
10
1
ENE
10
1.6
SSW
6
1.5
SSW
7
2.2
SW
7
1.8
SW
8
Wave Graph
Metric surfscale
Energy kJ
110
106
139
91
79
62
62
62
62
44
59
68
86
86
121
127
124
158
175
175
190
192
516
373
Wind (km/h)
20
N
10
NNW
5
NW
10
NE
10
ENE
10
E
15
ESE
15
ESE
15
ESE
10
ESE
10
E
15
ENE
20
ENE
15
E
15
ESE
10
SE
15
SE
20
SE
25
SSE
25
S
25
SSW
30
SSW
30
SW
10
WNW
Wind State
off
off
glassy
cross-off
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross
cross-off
High Tide
8:13PM1.38m
6:36AM1.43m
8:50PM1.34m
7:33AM1.32m
9:25PM1.32m
8:37AM1.20m
Low Tide
1:14AM0.92m
1:45PM0.12m
2:07AM0.87m
2:29PM0.30m
3:08AM0.81m
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
light rain
mod rain
heavy rain
light rain
thunderstorm
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:24
4:24
4:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:54
6:55
6:55
6:55
 mm
4
7
14
3
11
5
Temp °C
22
21
20
20
21
23
23
23
22
22
22
22
21
22
23
23
22
21
21
22
22
23
24
25
Feels °C
22
22
23
22
23
24
24
23
23
24
24
23
21
22
23
24
23
21
20
21
21
22
24
27
Swell 1
Height (m)
Direction
Period (s)
1.1
SSE
7
1.1
SE
7
1.2
SSE
7
1
SSE
7
0.9
SSE
7
0.6
SE
6
0.6
SSE
6
0.6
ENE
9
0.6
ENE
9
0.5
ENE
9
0.6
ENE
9
0.7
ENE
9
0.8
ENE
9
0.8
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
1
ENE
9
1
ENE
10
1
ENE
10
0.9
ENE
10
0.9
ENE
10
1.3
SSW
7
1.2
SSW
7
Energy kJ
110
106
139
91
79
31
30
62
62
44
59
68
86
86
121
127
124
158
175
175
132
132
183
153
Swell 2
Height (m)
Direction
Period (s)
0.8
SSW
7
0.9
SSW
8
0.7
SW
9
0.7
SW
8
0.6
SW
8
0.6
ENE
9
0.6
ENE
9
0.6
S
6
0.5
S
6
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.8
SE
5
0.4
SE
9
0.3
SW
7
0.3
SE
12
0.7
ESE
6
0.4
ESE
6
0.9
ENE
10
0.9
ENE
10
Energy kJ
70
81
78
71
43
62
62
27
17
25
25
24
34
34
34
33
30
31
7
21
32
14
163
163
Swell 3
Height (m)
Direction
Period (s)
0.7
SE
9
0.5
ENE
9
0.6
ENE
9
0.5
ENE
9
0.5
ENE
9
0.5
S
7
0.5
SW
8
0.4
SW
8
0.4
SE
10
0.4
SW
7
0.4
SW
7
0.4
SW
7
0.3
SW
7
0.3
SW
7
0.4
SW
7
0.4
SW
7
0.4
SE
10
0.4
SW
7
0.3
SE
12
0.1
E
18
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
Energy kJ
77
48
56
47
46
24
31
22
25
19
19
13
8
8
17
17
33
17
22
6
21
29
29
30
Wind waves
Height (m)
Direction
Period (s)
0.4
NNE
3
0.6
N
4
0.4
NE
5
0.4
E
3
0.4
ESE
3
0.4
ESE
3
0.6
SSE
6
0.5
SE
5
0.6
SE
5
0.6
SE
4
0.7
ESE
4
0.7
SE
4
0.8
SE
4
0.8
SE
5
1.1
SE
4
1.5
SSE
5
1.6
SSW
6
1.5
SSW
7
2.2
SW
7
1.8
SW
8
Energy kJ
3
11
8
2
3
3
21
14
16
10
13
16
23
26
46
123
190
192
516
373
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
2
1
2
3
Distance (km)
0
0
0
0
16
35
24
24
24
30
190
16
190
190
24
24
190
540
540
537
279
73
43
0
Best forecast wave conditions in Chiba
Rating
(10 max)
2
2
2
2
1
1
1
1
1
1
1
1
1
3
Best forecast wave conditions in Japan
Rating
(10 max)
3
2
3
2
2
1
1
1
1
1
1
1
1
1
1
1
1
3
3
4
3
3
2
3
Header Global
Rating
(10 max)
9
9
5
5
5
5
5
6
6
7
5
4
7
6
5
5
4
5
5
5
5
9
9
9
  • 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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