Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 8 am 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
26.2°C
0.3° 

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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.0m), 13s period with E swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 3ft (0.9m), 13s period with E swell.
  • Evening surf: Evening surf (16 Sep, local time) - 2.5ft (0.8m), 12s period with E swell.

The current surf forecast for Amatu at 4PM is: 0.9m 12s primary swell from a East direction and 0.9m 8s secondary swell from a Southeast direction (forecast issued at 08:00am September 16). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (16 Sep)3.5ft (1.0m)13s
Afternoon (16 Sep)3ft (0.9m)13s
Evening (16 Sep)2.5ft (0.8m)12s

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


Short Range Forecast

Heavy rain (total 48mm), heaviest during Wed afternoon. Warm (max 23°C on Wed morning, min 19°C on Thu night). Winds increasing (light winds from the NE on Wed morning, fresh winds from the NNE by Fri morning).

Wednesday
16
Thursday
17
Friday
18
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
1
2
1
1
1
1
1
0
1
1
1
1
1
1
1
2
2
1
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)
1
E
13
1
E
13
0.9
E
13
0.9
E
13
0.8
E
12
0.8
E
12
0.8
E
12
0.8
E
12
1.6
NE
7
1.9
NE
7
2
NE
8
2.1
ENE
8
2.3
ENE
8
2.4
ENE
8
2.5
ENE
9
2.4
ENE
9
2.5
ENE
9
2.5
ENE
9
2.5
NE
9
2.2
NE
8
2.3
NE
8
1.9
SE
14
Wave Graph
Metric surfscale
Energy kJ
350
340
272
255
190
187
184
184
247
396
465
545
654
778
898
888
1014
1037
945
634
632
1505
Wind (km/h)
10
NNE
15
NNE
15
NE
20
NE
20
NNE
25
NNE
25
NNE
25
NNE
25
NNE
30
NNE
30
NNE
35
NE
30
NNE
30
NNE
30
NNE
30
N
35
NNE
35
NNE
35
NNE
35
NNE
30
NNE
30
NNE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
7:34AM1.30m
6:38PM1.51m
8:20AM1.19m
6:58PM1.46m
9:33AM1.09m
7:19PM1.39m
Low Tide
12:48PM0.82m
1:35AM0.36m
1:06PM0.91m
2:19AM0.43m
1:17PM1.00m
thunderstorm
mod rain
thunderstorm
mod rain
heavy rain
light rain
light rain
light rain
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:45
5:44
5:43
 mm
3
6
5
9
23
3
1
1
Temp °C
23
22
23
22
21
21
21
20
20
20
22
22
20
20
20
19
19
19
20
21
21
21
Feels °C
26
23
25
23
21
21
20
19
18
17
18
17
16
16
16
15
15
15
16
18
19
19
  • 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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