Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 8 pm 15 Aug 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
27.1° 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 (16 Aug):

  • Morning surf: Morning surf (16 Aug, local time) - 4.5ft (1.3m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (16 Aug, local time) - 4.5ft (1.4m), 9s period with E swell.
  • Evening surf: Evening surf (16 Aug, local time) - 4.5ft (1.3m), 9s period with E swell.

The current surf forecast for Amatu at 3AM is: 1.3m 10s primary swell from a East direction and 0.5m 9s secondary swell from a South-southwest direction (forecast issued at 08:00pm August 15). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (JST) & DateWave HeightWave Period
Morning (16 Aug)4.5ft (1.3m)10s
Afternoon (16 Aug)4.5ft (1.4m)9s
Evening (16 Aug)4.5ft (1.3m)9s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat night. Warm (max 28°C on Tue morning, min 23°C on Sat night). Wind will be generally light.

Sat
15
Sunday
16
Monday
17
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
2
2
2
1
0
0
1
1
1
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)
1.5
E
10
1.4
E
10
1.4
E
10
1.3
E
10
1.3
E
10
1.3
E
10
1.4
E
9
1.4
E
9
1.3
E
9
1.3
E
9
1.2
E
9
1.2
E
9
1.2
E
9
1.1
E
9
1.1
E
9
1.1
E
9
1
E
8
1
E
8
Wave Graph
Metric surfscale
Energy kJ
417
379
379
320
314
314
334
306
258
252
225
215
220
185
181
177
140
140
Wind (km/h)
15
E
15
ENE
10
NE
10
NNE
10
NE
15
E
15
E
15
E
15
E
15
ENE
10
ENE
10
NE
10
NE
15
ENE
15
E
15
E
10
E
10
E
Wind State
cross
cross
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross
cross
cross
cross
cross-on
High Tide
6:36PM1.53m
6:29AM1.51m
6:58PM1.52m
7:12AM1.40m
7:18PM1.50m
Low Tide
00:29AM0.57m
12:42PM0.42m
1:05AM0.52m
1:08PM0.57m
part cloud
part cloud
clear
part cloud
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:58
4:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:27
6:25
 mm
1
1
1
1
Temp °C
25
24
23
23
24
25
26
26
25
24
24
23
23
26
26
26
25
25
Feels °C
26
26
25
25
27
26
27
27
26
26
26
25
25
27
27
28
28
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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