Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 8 am 14 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 4PM is: 1.1m 10s primary swell from a South-southeast direction and 0.8m 12s secondary swell from a East direction, 0.4m 15s secondary swell from a East-northeast direction (forecast issued at 08:00am September 14). 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 92mm), heaviest during Wed night. Warm (max 27°C on Mon morning, min 20°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the NNE by Wed night).

Monday
14
Tuesday
15
Wednesday
16
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)
0
0
0
0
0
0
1
2
0
0
3
2
3
2
2
2
1
1
1
1
0
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
E
12
0.9
E
12
0.9
E
12
1.1
SSE
10
1.1
SSE
10
0.9
E
14
1
E
14
1
E
14
1
E
14
1
E
14
1
E
14
1.1
E
14
1
E
14
1
E
14
1
E
13
1
E
13
1
E
13
0.9
E
13
0.9
E
13
0.9
E
13
0.8
E
12
0.8
E
12
Wave Graph
Metric surfscale
Energy kJ
233
233
239
218
226
320
388
372
366
383
405
496
405
366
345
345
340
276
272
255
190
187
Wind (km/h)
15
SSW
20
SSW
25
SSW
25
SSW
25
SSW
25
SSW
20
SW
15
WSW
15
SW
15
SSW
10
W
10
S
5
SE
0
SSW
5
WSW
10
N
20
NNE
20
NE
20
NE
20
NE
20
ENE
5
NNW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-off
cross-on
glassy
glassy
glassy
off
cross-off
cross-off
cross-off
cross-off
cross
glassy
High Tide
6:14AM1.50m
5:59PM1.57m
6:53AM1.41m
6:18PM1.55m
7:34AM1.30m
6:38PM1.51m
Low Tide
12:03PM0.60m
00:26AM0.32m
12:27PM0.71m
00:59AM0.32m
12:48PM0.82m
clear
clear
clear
clear
clear
cloud
cloud
cloud
light rain
rain showers
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
mod rain
mod rain
mod rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:49
5:46
5:45
 mm
3
1
10
6
1
2
2
1
1
4
6
8
9
20
Temp °C
25
27
27
27
26
26
25
22
23
24
22
24
24
24
24
23
21
22
22
22
22
23
Feels °C
28
28
27
28
27
28
26
24
24
26
24
28
28
28
28
26
21
23
23
22
23
27
  • 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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