Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 8 pm 13 Sep 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
26.5°C
0.4° 

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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 3ft (0.9m), 12s period with E swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 3.5ft (1.1m), 10s period with SSE swell.
  • Evening surf: Evening surf (14 Sep, local time) - 3ft (0.9m), 14s period with E swell.

The current surf forecast for Amatu at 12AM is: 0.9m 12s primary swell from a East direction and 0.6m 7s secondary swell from a Southeast direction (forecast issued at 08:00pm September 13). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (14 Sep)3ft (0.9m)12s
Afternoon (14 Sep)3.5ft (1.1m)10s
Evening (14 Sep)3ft (0.9m)14s

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


Short Range Forecast

Heavy rain (total 26mm), heaviest during Wed morning. Warm (max 28°C on Mon morning, min 22°C on Tue night). Wind will be generally light.

Sun
13
Monday
14
Tuesday
15
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)
1
1
0
0
0
0
0
0
0
0
1
0
0
0
2
2
2
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
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
1.1
SSE
10
1.2
SSE
10
0.9
E
14
1
E
14
1
E
14
1
E
14
1
E
14
1.1
E
14
1
E
14
1.1
E
14
1
E
14
Wave Graph
Metric surfscale
Energy kJ
268
247
239
235
233
233
239
218
246
320
384
372
366
383
489
411
489
366
Wind (km/h)
5
S
10
SSW
10
SSW
15
SSW
15
SSW
20
SSW
25
SSW
25
SSW
25
SSW
25
SW
20
WSW
20
SW
15
SW
15
SW
15
SW
5
SW
5
SSE
10
SSE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross
cross
on
on
High Tide
5:39PM1.58m
6:14AM1.50m
5:59PM1.57m
6:53AM1.41m
6:18PM1.55m
Low Tide
11:55PM0.35m
12:03PM0.60m
00:26AM0.32m
12:27PM0.71m
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:49
5:46
 mm
1
1
1
Temp °C
23
24
25
26
25
27
28
27
26
26
24
23
23
25
25
24
24
25
Feels °C
27
28
28
29
28
28
29
28
27
28
24
23
24
27
27
28
28
29
  • 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 

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.


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