Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 2 am 23 Sep 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
27.8°C
0.7° 

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 (23 Sep):

  • Morning surf: Morning surf (23 Sep, local time) - 3.5ft (1.1m), 8s period with NE swell.
  • Afternoon surf: Afternoon surf (23 Sep, local time) - 2ft (0.6m), 7s period with ENE swell.
  • Evening surf: Evening surf (23 Sep, local time) - 1ft (0.3m), 9s period with ESE swell.

The current surf forecast for Aoshima Harbour at 7AM is: 0.9m 7s primary swell from a Northeast direction and 0.6m 8s secondary swell from a East-northeast direction, 0.2m 4s secondary swell from a East-southeast direction (forecast issued at 02:00am September 23). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (23 Sep)3.5ft (1.1m)8s
Afternoon (23 Sep)2ft (0.6m)7s
Evening (23 Sep)1ft (0.3m)9s

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


Short Range Forecast

Some drizzle, heaviest during Thu night. Warm (max 26°C on Thu afternoon, min 23°C on Wed morning). Wind will be generally light.

Wednesday
23
Thursday
24
Friday
25
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
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)
0.7
E
9
0.7
E
8
0.9
NE
7
1.1
NE
8
0.6
ENE
7
0.6
ENE
7
0.5
ENE
6
0.3
ESE
9
0.2
E
9
0.3
E
9
0.3
E
9
0.2
E
9
0.3
E
9
0.3
SE
8
0.3
E
10
0.3
E
10
0.4
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
0.3
E
9
Wave Graph
Metric surfscale
Energy kJ
73
69
75
128
35
37
20
16
7
15
15
7
16
11
17
16
27
14
14
14
14
14
14
14
Wind (km/h)
15
N
10
N
5
NNE
5
NNE
10
ENE
10
E
5
SE
0
SE
0
N
10
NW
10
NNW
5
NNE
10
ENE
10
ESE
5
E
5
NE
0
NE
5
N
5
N
10
NE
10
ENE
10
ENE
5
SE
0
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
glassy
glassy
cross-off
cross
cross-on
on
cross-on
on
glassy
glassy
cross
cross-on
cross-on
on
on
glassy
glassy
High Tide
3:39AM1.84m
4:52PM2.01m
4:29AM1.99m
5:18PM2.08m
5:12AM2.11m
5:42PM2.13m
Low Tide
10:11PM1.12m
10:14AM0.48m
10:44PM0.92m
10:54AM0.43m
11:14PM0.73m
11:28AM0.43m
clear
part cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
rain showers
clear
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:09
6:08
6:07
 mm
1
Temp °C
25
23
23
23
25
25
25
25
25
23
23
24
25
26
25
25
25
24
24
25
25
25
25
25
Feels °C
26
24
24
24
27
27
28
29
29
25
25
27
27
29
28
29
30
28
27
27
26
27
28
28
  • 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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