Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
27.9°C
0.0° 

Aoshima Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Aoshima Harbour today (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 1.5ft (0.5m), 14s period with E swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 1.5ft (0.5m), 14s period with E swell.
  • Evening surf: Evening surf (12 Sep, local time) - 2ft (0.6m), 14s period with E swell.

The current surf forecast for Aoshima Harbour at 12PM is: 0.5m 14s primary swell from a East direction and 0.6m 7s secondary swell from a South-southeast direction, 0.4m 7s secondary swell from a East-northeast direction (forecast issued at 08:00am September 12). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (12 Sep)1.5ft (0.5m)14s
Afternoon (12 Sep)1.5ft (0.5m)14s
Evening (12 Sep)2ft (0.6m)14s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Sat afternoon. Warm (max 28°C on Sun afternoon, min 25°C on Sat night). Wind will be generally light.

Saturday
12
Sunday
13
Monday
14
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
0
0
0
0
1
1
0
0
1
2
2
1
1
1
0
1
2
2
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
14
0.5
E
14
0.5
E
14
0.5
E
14
0.6
E
14
0.6
E
14
0.6
E
14
0.6
E
14
0.7
E
14
0.8
ESE
14
0.6
E
13
0.6
E
13
0.6
E
13
0.6
E
13
0.9
ESE
9
1
ESE
8
1.1
ESE
8
1.1
ESE
8
1.2
ESE
8
1.1
ESE
8
1.1
ESE
8
1.1
ESE
8
Wave Graph
Metric surfscale
Energy kJ
100
99
97
96
136
132
134
140
192
250
127
128
130
130
132
150
177
177
194
164
164
164
Wind (km/h)
5
NE
10
NE
15
ENE
10
ENE
10
NE
5
N
5
N
10
NNW
10
N
10
NNE
10
E
10
ESE
5
E
5
ENE
5
E
5
N
10
NNW
10
NNE
10
ENE
10
ESE
10
S
5
WSW
Wind State
glassy
on
on
on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
glassy
glassy
cross
cross
cross-on
on
cross-on
cross-off
off
High Tide
6:16AM2.24m
6:41PM2.19m
6:53AM2.24m
7:04PM2.19m
7:30AM2.19m
7:29PM2.17m
Low Tide
12:30PM0.40m
00:44AM0.49m
1:01PM0.50m
1:16AM0.41m
1:30PM0.64m
part cloud
part cloud
clear
thunderstorm
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
part cloud
clear
thunderstorm
thunderstorm
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:24
6:22
6:22
 mm
1
1
1
1
1
Temp °C
25
26
26
26
26
26
26
25
25
26
27
28
27
26
26
26
25
26
27
27
27
26
Feels °C
29
30
29
30
30
31
31
29
29
30
31
32
32
31
31
31
29
30
30
31
31
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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