Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 am 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
29.0° C
0.5° 

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 (11 Aug):

  • Morning surf: Morning surf (11 Aug, local time) - 4ft (1.2m), 12s period with E swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 3.5ft (1.1m), 11s period with E swell.
  • Evening surf: Evening surf (11 Aug, local time) - 3.5ft (1.0m), 11s period with E swell.

The current surf forecast for Aoshima Harbour at 1PM is: 1.1m 12s primary swell from a East direction and 0.9m 10s secondary swell from a South-southeast direction (forecast issued at 08:00am August 11). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (11 Aug)4ft (1.2m)12s
Afternoon (11 Aug)3.5ft (1.1m)11s
Evening (11 Aug)3.5ft (1.0m)11s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Tue afternoon. Warm (max 29°C on Wed afternoon, min 24°C on Tue night). Wind will be generally light.

Tuesday
11
Wednesday
12
Thursday
13
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)
3
3
1
1
1
2
2
0
2
2
1
0
1
2
2
1
1
1
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)
1.2
E
12
1.2
E
12
1.1
E
12
1.1
E
11
1
E
11
1
E
11
1
E
11
1
E
11
1.2
ENE
10
1.2
ENE
10
1.1
E
11
1
E
11
0.9
E
12
0.8
E
12
0.7
E
11
0.6
E
11
0.7
S
9
0.6
E
10
0.7
S
9
0.6
S
9
0.6
S
9
0.6
E
10
Wave Graph
Metric surfscale
Energy kJ
413
400
325
308
237
233
229
223
312
306
275
231
220
171
112
81
79
72
78
57
56
68
Wind (km/h)
5
WNW
5
NNE
10
E
15
SE
10
SSE
10
SW
5
NW
15
NNE
5
N
5
W
15
SE
25
SSE
20
SSW
10
WSW
10
W
5
WSW
5
W
10
S
20
SSE
25
SSE
15
SSE
10
S
Wind State
glassy
glassy
on
cross
cross
cross-off
cross-off
cross-on
cross-on
glassy
cross
cross
cross-off
off
off
off
glassy
cross-off
cross
cross
cross
cross-off
High Tide
4:12AM1.96m
6:03PM2.06m
5:01AM2.07m
6:31PM2.13m
5:44AM2.15m
6:57PM2.16m
Low Tide
11:09AM0.24m
11:33PM1.13m
11:47AM0.18m
00:07AM1.00m
12:23PM0.17m
clear
clear
part cloud
part cloud
thunderstorm
part cloud
clear
part cloud
clear
clear
clear
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:35
5:37
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:01
7:00
7:00
 mm
1
1
Temp °C
26
27
28
28
27
26
26
25
24
26
28
29
28
26
25
25
24
27
28
28
27
26
Feels °C
29
30
30
30
30
30
30
25
26
29
29
29
29
29
28
28
27
30
28
28
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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