Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 2 am 21 Jul 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
25.4° C
0.2° 

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 Jul):

  • Morning surf: Morning surf (21 Jul, local time) - 4ft (1.2m), 11s period with E swell.
  • Afternoon surf: Afternoon surf (21 Jul, local time) - 3.5ft (1.1m), 10s period with ENE swell.
  • Evening surf: Evening surf (21 Jul, local time) - 3.5ft (1.0m), 10s period with E swell.

The current surf forecast for Amatu at 9AM is: 1.2m 11s primary swell from a East direction and 0.3m 8s secondary swell from a South-southeast direction, 0.4m 4s secondary swell from a Southwest direction (forecast issued at 02:00am July 21). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Jul)4ft (1.2m)11s
Afternoon (21 Jul)3.5ft (1.1m)10s
Evening (21 Jul)3.5ft (1.0m)10s

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


Short Range Forecast

Mostly dry. Warm (max 31°C on Tue morning, min 26°C on Tue night). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
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
12 AM
3 AM
6 AM
9 AM
12 PM
3 PM
6 PM
9 PM
Rating
(10 max)
0
1
1
0
0
0
0
0
1
1
1
1
0
0
0
1
1
1
0
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
E
11
1.3
E
11
1.2
ENE
11
1.2
E
11
1.1
ENE
10
1.1
ENE
10
1
ENE
10
1
E
10
1
E
10
1
E
10
1
E
10
1
E
10
1
E
10
1
E
10
0.9
ENE
10
0.9
ENE
10
0.9
ENE
10
0.9
ENE
10
0.8
E
10
0.8
E
10
0.8
E
10
0.7
E
9
0.7
E
9
0.7
E
9
Wave Graph
Metric surfscale
Energy kJ
410
403
343
326
281
276
222
208
204
204
204
208
208
208
167
167
163
163
122
120
115
85
83
83
Wind (km/h)
15
SW
15
SW
15
SW
15
SW
20
SW
20
SW
15
SW
15
SW
10
SW
10
SW
10
WSW
10
WSW
20
SW
20
SW
15
SW
15
SW
15
SW
10
SW
10
WSW
5
SW
10
S
10
SSW
10
SSW
10
SW
Wind State
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross
glassy
cross-on
cross-on
cross-on
cross
High Tide
9:27AM1.12m
9:15PM1.38m
11:06AM1.03m
9:46PM1.34m
1:44PM1.04m
Low Tide
3:25AM0.63m
2:53PM0.76m
4:31AM0.59m
3:25PM0.90m
5:47AM0.54m
4:13PM1.02m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:39
4:39
4:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:51
6:50
6:50
 mm
Temp °C
26
26
26
29
31
30
28
26
26
26
26
29
31
30
28
27
26
26
27
30
31
30
28
27
Feels °C
30
30
30
32
34
32
32
30
30
30
30
33
34
33
32
31
30
30
32
36
36
34
33
32
  • 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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