Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 8 am 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
26.7°C
0.6° 

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 (13 Sep):

  • Morning surf: Morning surf (13 Sep, local time) - 3ft (0.9m), 13s period with E swell.
  • Afternoon surf: Afternoon surf (13 Sep, local time) - 3ft (0.9m), 13s period with E swell.
  • Evening surf: Evening surf (13 Sep, local time) - 3ft (0.9m), 12s period with E swell.

The current surf forecast for Amatu at 11AM is: 0.9m 13s primary swell from a East direction and 0.6m 6s secondary swell from a East-northeast direction, 0.8m 6s secondary swell from a Northeast direction (forecast issued at 08:00am September 13). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (13 Sep)3ft (0.9m)13s
Afternoon (13 Sep)3ft (0.9m)13s
Evening (13 Sep)3ft (0.9m)12s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Tue night. Warm (max 27°C on Mon morning, min 21°C on Sun morning). Wind will be generally light.

Sunday
13
Monday
14
Tuesday
15
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
Rating
(10 max)
2
2
2
1
1
1
1
0
0
0
0
0
0
0
1
2
1
0
2
1
2
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
ESE
13
0.9
E
13
0.9
E
13
0.9
E
13
0.9
E
13
0.9
E
12
0.9
E
12
0.9
E
12
0.9
E
12
0.9
E
12
0.9
E
12
0.9
E
12
1.1
SSE
10
0.9
E
14
1
E
14
1
E
14
1
E
14
1
E
14
1.1
E
14
1.1
E
14
1
E
14
1
E
14
Wave Graph
Metric surfscale
Energy kJ
286
272
276
276
268
247
239
235
233
233
239
244
226
320
388
372
366
383
489
496
405
366
Wind (km/h)
10
N
15
NNE
5
E
5
SSE
5
SSE
10
S
10
S
10
SSW
15
SSW
20
SSW
25
SSW
25
SSW
25
SSW
25
SSW
20
SW
15
SW
15
SW
15
SW
15
WSW
10
SW
5
SSW
5
NNW
Wind State
off
cross-off
glassy
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross-on
glassy
High Tide
5:34AM1.57m
5:39PM1.58m
6:14AM1.50m
5:59PM1.57m
6:53AM1.41m
6:18PM1.55m
Low Tide
11:37AM0.48m
11:55PM0.35m
12:03PM0.60m
00:26AM0.32m
12:27PM0.71m
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
thunderstorm
cloud
cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:50
5:49
5:46
 mm
1
1
2
Temp °C
21
21
24
25
23
24
25
25
25
27
27
27
26
25
25
24
24
26
24
25
25
25
Feels °C
23
23
28
29
27
28
29
28
28
29
27
28
27
26
25
26
26
27
26
28
29
30
  • 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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