Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 8 am 12 Aug 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
27.8° C
1.0° 

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 (12 Aug):

  • Morning surf: Morning surf (12 Aug, local time) - 3.5ft (1.1m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (12 Aug, local time) - 4ft (1.2m), 10s period with E swell.
  • Evening surf: Evening surf (12 Aug, local time) - 4.5ft (1.4m), 9s period with E swell.

The current surf forecast for Amatu at 1PM is: 1.1m 10s primary swell from a East direction and 0.7m 10s secondary swell from a South-southwest direction, 1.4m 6s secondary swell from a East-southeast direction (forecast issued at 08:00am August 12). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Aug)3.5ft (1.1m)10s
Afternoon (12 Aug)4ft (1.2m)10s
Evening (12 Aug)4.5ft (1.4m)9s

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


Short Range Forecast

Heavy rain (total 31mm), heaviest during Wed morning. Warm (max 28°C on Fri morning, min 23°C on Wed night). Wind will be generally light.

Wednesday
12
Thursday
13
Friday
14
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
1
2
2
2
2
2
3
1
1
2
2
3
3
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)
1.1
E
10
1.1
E
10
1.1
E
10
1.2
E
10
1.1
E
9
1.4
E
9
1.3
E
9
1.4
E
9
1.4
E
9
1.5
E
10
1.5
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.8
E
10
Wave Graph
Metric surfscale
Energy kJ
245
235
221
262
217
327
287
347
347
414
434
514
524
524
524
524
524
524
524
514
504
625
Wind (km/h)
20
SE
25
SE
20
ESE
15
ENE
15
NE
10
NNE
10
NNE
15
N
15
NNE
15
NE
15
ENE
15
E
15
ENE
15
ENE
10
NE
15
NNE
15
NNE
20
NE
20
ENE
20
ENE
15
E
15
E
Wind State
on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
High Tide
3:16AM1.56m
5:22PM1.50m
4:10AM1.61m
5:49PM1.52m
4:59AM1.62m
6:14PM1.53m
Low Tide
10:23AM0.02m
10:41PM0.88m
11:03AM0.05m
11:17PM0.76m
11:40AM0.15m
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:56
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:31
6:30
6:30
 mm
6
5
3
4
2
1
1
1
1
1
2
1
1
2
Temp °C
24
25
26
26
25
24
24
24
23
27
27
27
26
25
25
24
24
27
28
27
26
25
Feels °C
24
25
26
28
27
27
27
26
25
29
29
29
29
28
28
26
26
28
29
28
29
28
  • 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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