Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 8 pm 13 Aug 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
26.9° C
0.1° 

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 (13 Aug):

  • Evening surf: Evening surf (13 Aug, local time) - 6ft (1.9m), 10s period with E swell.

The current surf forecast for Amatu at 11PM is: 2.1m 10s primary swell from a East direction and 1.9m 10s secondary swell from a East direction, 0.6m 9s secondary swell from a South-southwest direction (forecast issued at 08:00pm August 13). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (13 Aug)--
Afternoon (13 Aug)--
Evening (13 Aug)6ft (1.9m)10s

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


Short Range Forecast

Heavy rain (total 33mm), heaviest during Thu night. Warm (max 27°C on Fri morning, min 23°C on Sat night). Wind will be generally light.

Thu
13
Friday
14
Saturday
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
2
1
2
2
2
1
1
2
1
2
2
2
1
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2
E
10
1.9
E
10
1.9
E
10
2
E
10
1.9
E
10
1.8
E
10
1.7
E
10
1.6
E
10
1.6
E
10
1.8
E
10
1.9
E
10
1.8
E
10
1.7
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.6
E
10
1.5
E
10
Wave Graph
Metric surfscale
Energy kJ
802
736
738
818
745
669
592
514
504
625
687
618
563
510
500
500
500
431
Wind (km/h)
15
E
15
E
15
E
10
E
10
ENE
15
ENE
15
ENE
15
E
15
E
15
E
15
E
15
E
10
ENE
15
ENE
20
E
20
E
15
ENE
15
ENE
Wind State
cross-on
cross
cross-on
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
High Tide
5:49PM1.52m
4:59AM1.62m
6:14PM1.53m
5:45AM1.58m
6:36PM1.53m
Low Tide
11:17PM0.76m
11:40AM0.15m
11:53PM0.65m
12:13PM0.27m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
cloud
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
thunderstorm
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:29
 mm
4
6
8
5
4
2
1
1
1
1
1
2
Temp °C
26
25
25
25
25
26
27
27
26
25
25
25
24
26
27
27
25
24
Feels °C
28
28
27
27
28
28
29
29
29
27
27
27
26
27
28
28
26
25
  • 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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