Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 8 pm 17 Aug 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
27.2° C
0.3° 

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 (18 Aug):

  • Morning surf: Morning surf (18 Aug, local time) - 3ft (0.9m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (18 Aug, local time) - 2.5ft (0.7m), 9s period with E swell.
  • Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.7m), 8s period with E swell.

The current surf forecast for Amatu at 12AM is: 1.0m 9s primary swell from a East direction and 0.4m 11s secondary swell from a Southeast direction (forecast issued at 08:00pm August 17). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Aug)3ft (0.9m)8s
Afternoon (18 Aug)2.5ft (0.7m)9s
Evening (18 Aug)2.5ft (0.7m)8s

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


Short Range Forecast

Some drizzle, heaviest during Mon night. Warm (max 28°C on Wed morning, min 24°C on Tue night). Wind will be generally light.

Mon
17
Tuesday
18
Wednesday
19
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
1
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
E
8
1
E
9
1
E
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
8
0.7
E
9
0.7
E
9
0.6
E
9
0.7
E
8
0.6
E
9
0.6
E
9
0.5
SE
10
0.6
E
9
0.5
SE
10
0.5
E
9
0.5
E
9
0.7
SE
6
Wave Graph
Metric surfscale
Energy kJ
143
146
151
126
126
107
74
73
55
66
54
55
52
55
49
39
39
36
Wind (km/h)
10
ESE
10
SE
10
ESE
5
ESE
5
ESE
10
ESE
10
SE
10
SE
10
ESE
10
ESE
5
ESE
5
ENE
10
NE
10
ENE
10
E
15
ESE
10
ESE
10
ESE
Wind State
cross-on
cross-on
cross-on
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross
cross-on
cross-on
cross-on
cross-on
High Tide
7:18PM1.50m
7:57AM1.28m
7:38PM1.48m
8:50AM1.15m
7:59PM1.44m
Low Tide
1:43AM0.49m
1:31PM0.71m
2:25AM0.50m
1:51PM0.84m
light rain
part cloud
part cloud
clear
rain showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:25
6:24
6:23
 mm
1
1
Temp °C
26
25
25
25
25
26
27
27
26
25
25
25
24
26
28
27
26
26
Feels °C
29
28
28
29
29
28
29
29
28
28
28
29
27
28
31
29
29
29
  • 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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