Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 2 am 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
25.0°C
0.1° 

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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 2.5ft (0.8m), 12s period with SW swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 2.5ft (0.7m), 11s period with SW swell.
  • Evening surf: Evening surf (30 Sep, local time) - 3ft (0.9m), 11s period with SSW swell.

The current surf forecast for Amatu at 6AM is: 0.9m 12s primary swell from a Southwest direction and 0.4m 9s secondary swell from a East-northeast direction, 0.9m 5s secondary swell from a East-northeast direction (forecast issued at 02:00am September 30). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (30 Sep)2.5ft (0.8m)12s
Afternoon (30 Sep)2.5ft (0.7m)11s
Evening (30 Sep)3ft (0.9m)11s

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


Short Range Forecast

Heavy rain (total 24mm), heaviest during Wed morning. Warm (max 22°C on Thu afternoon, min 18°C on Wed morning). Winds increasing (calm on Thu night, fresh winds from the NE by Fri afternoon).

Wednesday
30
Thursday
1
Friday
2
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
1
1
1
1
1
1
1
1
1
2
3
2
2
1
0
0
0
0
0
1
1
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
SW
13
1
SW
13
0.9
SW
12
0.8
SW
12
0.8
SW
11
0.7
SW
11
0.9
SW
11
0.9
SSW
11
1
SSW
10
1.1
SSW
10
1.2
S
9
1.4
S
9
1.8
S
8
1.8
SSE
8
1.8
SSE
8
1.5
SSE
8
1.3
SSE
8
1.2
SSE
7
1.1
SSE
7
0.9
SSE
7
0.8
SSE
7
0.7
SSE
6
1.8
ENE
7
1.8
ENE
7
Wave Graph
Metric surfscale
Energy kJ
331
321
248
167
147
119
172
180
190
235
246
298
454
470
439
298
186
143
111
73
51
36
273
295
Wind (km/h)
15
ENE
15
NE
20
NE
20
NNE
20
NE
25
NE
20
NE
20
NNE
25
N
20
NNE
15
NNE
25
N
30
N
25
N
15
NW
5
W
10
SE
15
ESE
25
ENE
25
ENE
30
NE
30
NE
25
NE
20
NE
Wind State
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
glassy
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
High Tide
6:46AM1.47m
5:56PM1.59m
7:41AM1.37m
6:22PM1.56m
8:49AM1.26m
6:49PM1.51m
Low Tide
00:09AM0.13m
12:11PM0.79m
00:50AM0.13m
12:39PM0.92m
1:38AM0.18m
1:04PM1.04m
light rain
mod rain
mod rain
mod rain
light rain
cloud
cloud
cloud
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
clear
clear
clear
cloud
light rain
light rain
light rain
cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
5:31
—
—
—
—
—
—
—
5:33
—
—
—
—
—
—
—
5:33
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
5:25
—
—
—
—
—
—
—
5:23
—
—
—
—
—
—
—
5:22
—
—
 mm
2
6
10
8
1
—
—
—
1
2
2
2
1
—
—
—
—
—
—
1
2
1
—
2
Temp °C
19
19
19
18
19
20
20
20
19
19
20
19
21
22
22
22
22
22
22
21
19
18
18
18
Feels °C
19
19
18
16
17
19
19
20
18
19
20
17
19
21
23
24
23
22
21
19
16
14
15
16
  • 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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