Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 2 pm 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
27.3° C
0.5° 

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 (21 Aug):

  • Afternoon surf: Afternoon surf (21 Aug, local time) - 2ft (0.6m), 10s period with E swell.
  • Evening surf: Evening surf (21 Aug, local time) - 2ft (0.6m), 10s period with E swell.

The current surf forecast for Amatu at 5PM is: 0.6m 10s primary swell from a East direction and 0.5m 9s secondary swell from a South-southwest direction, 0.6m 4s secondary swell from a South direction (forecast issued at 02:00pm August 21). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Aug)--
Afternoon (21 Aug)2ft (0.6m)10s
Evening (21 Aug)2ft (0.6m)10s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Sat night. Warm (max 28°C on Fri afternoon, min 23°C on Sat night). Wind will be generally light.

Fri
21
Saturday
22
Sunday
23
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
1
1
0
0
1
2
2
2
2
2
1
1
1
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)
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
1
E
10
0.9
E
10
0.9
E
10
0.8
E
10
0.7
E
10
0.6
SSE
13
0.6
E
12
0.8
SSE
12
Wave Graph
Metric surfscale
Energy kJ
44
65
68
69
66
90
94
175
231
231
231
218
198
158
158
120
88
106
106
190
Wind (km/h)
20
SSW
20
SSW
20
SSW
15
SW
20
SW
20
SW
15
SW
15
SW
15
SW
15
SW
5
WSW
5
NW
5
NNE
10
NNE
10
NNE
15
NE
15
ENE
15
ENE
10
ENE
10
NE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-on
cross
glassy
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
High Tide
8:48PM1.31m
9:49PM1.23m
4:03PM1.25m
Low Tide
6:13AM0.53m
7:41AM0.45m
8:38PM1.14m
clear
part cloud
part cloud
clear
clear
part cloud
thunderstorm
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:21
6:20
6:19
 mm
1
1
1
2
2
Temp °C
28
28
26
26
26
25
25
27
28
28
27
25
24
24
23
25
27
27
25
24
Feels °C
30
30
28
28
28
27
27
29
30
31
31
29
28
27
26
27
29
29
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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