Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 8 pm 16 Sep 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
25.0°C
0.8° 

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 (17 Sep):

  • Morning surf: Morning surf (17 Sep, local time) - 6ft (1.8m), 7s period with NE swell.
  • Afternoon surf: Afternoon surf (17 Sep, local time) - 7ft (2.2m), 8s period with ENE swell.
  • Evening surf: Evening surf (17 Sep, local time) - 7ft (2.2m), 8s period with ENE swell.

The current surf forecast for Amatu at 3AM is: 0.8m 12s primary swell from a East direction and 0.7m 8s secondary swell from a Southeast direction, 1.4m 6s secondary swell from a Northeast direction (forecast issued at 08:00pm September 16). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Sep)6ft (1.8m)7s
Afternoon (17 Sep)7ft (2.2m)8s
Evening (17 Sep)7ft (2.2m)8s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Wed night. Warm (max 25°C on Sat morning, min 19°C on Thu morning). Mainly fresh winds.

Wed
16
Thursday
17
Friday
18
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
0
1
0
0
0
1
1
1
1
1
1
1
1
1
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
E
12
0.8
E
12
0.7
E
12
0.8
E
12
1.6
NE
7
1.8
NE
7
2.1
ENE
8
2.2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.3
ENE
8
2.1
ENE
8
2
ENE
8
2.1
NE
8
1.8
NE
8
1.7
NE
7
1.9
NE
7
2
ENE
7
Wave Graph
Metric surfscale
Energy kJ
190
187
141
184
237
349
564
643
605
635
687
559
541
585
398
287
296
440
Wind (km/h)
25
NE
25
ENE
20
NNE
30
NNE
30
NNE
30
NNE
30
NNE
30
NE
30
NNE
30
NNE
30
NNE
35
NNE
30
N
35
NNE
35
NNE
35
NNE
35
N
30
N
Wind State
cross-off
cross
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
6:38PM1.51m
8:20AM1.19m
6:58PM1.46m
9:33AM1.09m
7:19PM1.39m
Low Tide
1:35AM0.36m
1:06PM0.91m
2:19AM0.43m
1:17PM1.00m
thunderstorm
mod rain
mod rain
rain showers
light rain
cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:44
5:43
 mm
19
10
9
3
1
Temp °C
22
23
22
20
20
19
20
21
20
20
19
19
19
20
21
21
20
21
Feels °C
22
23
22
17
18
16
16
17
16
16
15
15
15
16
18
18
17
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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