Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 2 am 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
24.9°C
0.8° 

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 Sep):

  • Morning surf: Morning surf (18 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (18 Sep, local time) - 7ft (2.2m), 8s period with NE swell.
  • Evening surf: Evening surf (18 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.

The current surf forecast for Amatu at 7AM is: 2.1m 8s primary swell from a East-northeast direction and 0.5m 12s secondary swell from a East direction, 0.2m 8s secondary swell from a South-southeast direction (forecast issued at 02:00am September 18). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (18 Sep)7ft (2.1m)8s
Afternoon (18 Sep)7ft (2.2m)8s
Evening (18 Sep)7ft (2.1m)8s

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


Short Range Forecast

Heavy rain (total 142mm), heaviest during Sun night. Warm (max 27°C on Sun night, min 20°C on Fri morning). Mainly fresh winds.

Friday
18
Saturday
19
Sunday
20
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)
1
1
1
1
1
1
1
2
2
2
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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)
2.1
ENE
8
2.1
ENE
8
2.1
ENE
8
2.1
ENE
8
2.2
ENE
8
2.2
NE
8
2.2
NE
8
2.1
ENE
8
1.7
SE
14
2.1
SE
13
3
SE
16
3.5
SE
14
3.5
SE
14
3.5
SE
13
3
SE
13
3
SE
12
3
SE
12
3
SE
12
3
SE
11
3.5
SE
12
3.5
SE
12
3.5
SE
12
4
SE
12
4.5
SE
12
Wave Graph
Metric surfscale
Energy kJ
493
531
531
558
618
602
587
572
1036
1438
5017
4757
4561
3816
3344
2555
2824
2620
2581
3097
3221
3304
4598
6299
Wind (km/h)
30
NNE
35
NNE
30
NNE
30
NNE
35
NNE
35
NNE
35
NNE
30
NNE
30
NNE
30
NNE
30
NNE
25
NNE
25
NNE
25
NE
25
NE
20
NNE
20
NNE
20
NNE
20
NNE
20
NNE
20
NNE
30
NE
35
NE
30
NE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
9:33AM1.09m
7:19PM1.39m
7:42PM1.30m
4:05PM1.18m
8:17PM1.20m
Low Tide
2:19AM0.43m
1:17PM1.00m
3:23AM0.51m
5:06AM0.55m
4:28PM1.18m
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
cloud
part cloud
cloud
light rain
heavy rain
mod rain
mod rain
heavy rain
heavy rain
heavy rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:22
5:24
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
5:43
5:40
5:39
 mm
1
4
21
6
8
14
19
16
Temp °C
20
20
20
20
21
21
21
21
20
20
20
21
23
23
22
23
22
22
22
22
22
23
23
24
Feels °C
16
16
16
16
17
17
18
18
17
18
18
20
22
23
22
24
22
22
23
23
23
22
21
23
  • 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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