Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 2 pm 20 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 (20 Aug):

  • Afternoon surf: Afternoon surf (20 Aug, local time) - 1.5ft (0.5m), 11s period with SE swell.
  • Evening surf: Evening surf (20 Aug, local time) - 1.5ft (0.5m), 11s period with SE swell.

The current surf forecast for Amatu at 10PM is: 0.5m 11s primary swell from a Southeast direction and 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 02:00pm August 20). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 Aug)--
Afternoon (20 Aug)1.5ft (0.5m)11s
Evening (20 Aug)1.5ft (0.5m)11s

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


Short Range Forecast

Light rain (total 4mm), mostly falling on Sat night. Warm (max 28°C on Thu afternoon, min 24°C on Sat night). Wind will be generally light.

Thu
20
Friday
21
Saturday
22
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
0
0
0
0
0
0
0
0
0
1
0
0
0
1
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)
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
SE
11
0.5
E
9
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.7
E
10
0.7
E
10
0.9
E
10
1
E
11
1
E
11
1
E
11
1
E
10
Wave Graph
Metric surfscale
Energy kJ
57
57
58
58
57
57
57
58
44
65
68
69
66
90
94
175
227
231
231
218
Wind (km/h)
10
SSE
10
S
10
S
10
S
15
SSW
15
SSW
10
SSW
15
SSW
20
SSW
20
SSW
20
SSW
20
SSW
20
SW
15
SW
15
SW
15
SW
15
SSW
15
SSW
10
SSW
10
WSW
Wind State
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross
High Tide
10:14AM1.05m
8:20PM1.38m
8:48PM1.31m
Low Tide
2:02PM0.96m
4:32AM0.54m
6:13AM0.53m
clear
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:01
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:22
6:21
6:20
 mm
Temp °C
28
28
26
26
25
25
25
27
28
27
26
26
26
25
26
27
28
28
27
26
Feels °C
31
31
29
29
27
27
28
29
29
28
28
28
27
27
29
29
29
30
30
30
  • 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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