Amatu Surf Break

Lat Long: 35.12° N 140.19° E

Amatu 48 hour detailed Surf Forecast

Issued: 8 am 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Amatu sea temperature is
28.2°C
1.5° 

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 (31 Aug):

  • Morning surf: Morning surf (31 Aug, local time) - 1.5ft (0.5m), 11s period with E swell.
  • Afternoon surf: Afternoon surf (31 Aug, local time) - 2ft (0.6m), 14s period with ESE swell.
  • Evening surf: Evening surf (31 Aug, local time) - 2.5ft (0.7m), 13s period with ESE swell.

The current surf forecast for Amatu at 12PM is: 0.4m 14s primary swell from a East-southeast direction and 0.5m 11s secondary swell from a East direction (forecast issued at 08:00am August 31). An open ocean swell of 0.9m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (31 Aug)1.5ft (0.5m)11s
Afternoon (31 Aug)2ft (0.6m)14s
Evening (31 Aug)2.5ft (0.7m)13s

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


Short Range Forecast

Some drizzle, heaviest during Wed night. Warm (max 27°C on Tue morning, min 23°C on Mon night). Wind will be generally light.

Monday
31
Tuesday
1
Wednesday
2
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
0
0
1
1
1
2
2
2
2
1
1
1
2
2
2
2
2
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
E
11
0.5
E
11
0.4
ESE
14
0.6
ESE
14
0.6
ESE
13
0.7
ESE
13
0.8
ESE
12
0.9
ESE
12
0.9
ESE
12
0.9
ESE
12
1
E
12
1.1
E
11
1.1
E
11
1.1
E
12
1
E
11
1
E
11
1
E
11
0.9
E
10
0.8
E
10
0.8
E
10
0.8
ESE
10
0.8
ESE
10
Wave Graph
Metric surfscale
Energy kJ
59
59
63
145
141
178
208
256
240
228
289
295
295
316
235
231
223
171
127
127
136
147
Wind (km/h)
10
NNE
20
NE
20
NE
20
NE
20
NE
20
NE
15
NE
15
NNE
15
NE
15
NE
15
ENE
10
E
10
ENE
10
NE
5
NNE
5
N
5
NNE
5
ESE
10
SSE
10
S
10
S
10
S
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-off
cross-off
glassy
glassy
glassy
on
on
on
cross-on
High Tide
6:02AM1.52m
6:21PM1.55m
6:46AM1.45m
6:43PM1.53m
7:35AM1.35m
7:05PM1.51m
Low Tide
12:11PM0.44m
00:35AM0.39m
12:39PM0.58m
1:13AM0.35m
1:04PM0.75m
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:09
5:11
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:07
6:07
6:06
 mm
Temp °C
23
24
25
25
24
24
24
23
23
25
27
26
25
24
24
23
23
26
27
27
26
26
Feels °C
25
24
25
25
24
24
25
24
24
26
29
28
28
26
27
26
26
29
30
29
29
30
  • 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 

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