Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 2 am 19 Sep 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
25.3°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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 11ft (3.5m), 15s period with SE swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 11ft (3.5m), 13s period with SE swell.
  • Evening surf: Evening surf (19 Sep, local time) - 10ft (3.0m), 13s period with SE swell.

The current surf forecast for Amatu at 9AM is: 3.5m 15s primary swell from a Southeast direction and 0.7m 10s secondary swell from a East direction, 1.7m 8s secondary swell from a East-northeast direction (forecast issued at 02:00am September 19). The wind direction is predicted to be cross-offshore and the swell rating is 11.

Time (JST) & DateWave HeightWave Period
Morning (19 Sep)11ft (3.5m)15s
Afternoon (19 Sep)11ft (3.5m)13s
Evening (19 Sep)10ft (3.0m)13s

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


Short Range Forecast

Heavy rain (total 187mm), heaviest during Mon night. Warm (max 27°C on Mon morning, min 20°C on Sun morning). Winds increasing (light winds from the NE on Sun night, gales from the N by Mon night).

Saturday
19
Sunday
20
Monday
21
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)
2
2
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0
0
0
0
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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)
1.7
SE
14
2.1
SE
13
3
SE
16
3.5
SE
15
3.5
SE
14
3.5
SE
13
3
SE
13
3
SE
13
3.5
SE
12
3.5
SE
12
3
SE
12
3
SE
12
3
SE
11
3
SE
11
3
SE
11
3.5
SE
11
3.5
SSE
12
4
SSE
12
4
SSE
12
4.5
SSE
13
4.5
SSE
13
4.5
SSE
13
6
SSE
14
6.5
SSE
14
Wave Graph
Metric surfscale
Energy kJ
1036
1438
4888
4890
4527
3975
3489
3242
3225
3184
2693
2598
2386
2413
2097
2833
3609
4374
5093
6570
6868
7456
12513
15566
Wind (km/h)
30
NNE
30
NNE
30
NNE
25
NNE
25
NE
25
NE
20
NE
20
NNE
20
NE
20
ENE
20
NE
30
NNE
30
NE
30
NNE
30
N
25
NNE
20
NNE
10
NE
10
E
25
ESE
25
E
35
ENE
45
ENE
65
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross
cross
cross-off
High Tide
7:42PM1.30m
4:05PM1.18m
8:17PM1.20m
3:07PM1.25m
Low Tide
3:23AM0.51m
5:06AM0.55m
4:28PM1.18m
6:50AM0.52m
8:17PM1.09m
cloud
cloud
cloud
cloud
cloud
light rain
light rain
cloud
light rain
light rain
light rain
heavy rain
heavy rain
heavy rain
mod rain
mod rain
light rain
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:24
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:40
5:39
5:38
 mm
1
1
1
1
4
11
25
13
10
7
5
7
7
6
5
16
13
34
Temp °C
20
20
21
22
24
23
22
22
23
23
21
20
21
21
21
22
22
24
25
26
27
26
26
23
Feels °C
18
18
19
21
23
23
22
23
24
23
21
18
19
19
19
21
23
28
29
28
28
25
24
15
  • 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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