Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 2 am 09 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 (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 7ft (2.1m), 8s period with ESE swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 7ft (2.1m), 8s period with ESE swell.
  • Evening surf: Evening surf (09 Aug, local time) - 5.5ft (1.7m), 14s period with ESE swell.

The current surf forecast for Aoshima Harbour at 5AM is: 2.3m 8s primary swell from a East-southeast direction and 1.1m 11s secondary swell from a South direction (forecast issued at 02:00am August 09). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Aug)7ft (2.1m)8s
Afternoon (09 Aug)7ft (2.1m)8s
Evening (09 Aug)5.5ft (1.7m)14s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Sun morning. Warm (max 28°C on Sun afternoon, min 25°C on Mon night). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
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
0
0
1
2
2
3
3
3
3
2
2
3
3
3
3
3
3
2
1
1
2
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)
2.5
ESE
9
2.5
ESE
9
2.3
ESE
8
2.1
ESE
8
1.9
SE
8
2.1
ESE
8
1.9
ESE
14
1.7
ESE
14
1.7
ESE
14
1.6
E
13
1.6
E
13
1.5
E
13
1.4
E
13
1.4
E
12
1.3
E
12
1.2
E
12
1.2
E
12
1.2
E
12
1.2
E
12
1.2
E
12
1.1
E
12
1.1
E
11
1
E
11
1
E
11
Wave Graph
Metric surfscale
Energy kJ
1034
877
731
587
434
593
1475
1172
1090
919
905
771
653
603
496
416
416
423
407
400
319
298
237
233
Wind (km/h)
30
E
25
E
20
E
25
E
20
E
15
E
15
E
10
E
10
E
10
ESE
10
E
10
E
10
ENE
5
ENE
5
ENE
0
SE
5
W
5
W
5
W
0
NNE
5
ESE
10
SSE
10
SSE
5
S
Wind State
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
glassy
glassy
glassy
off
glassy
glassy
cross-on
cross
cross
glassy
High Tide
1:55AM1.79m
4:58PM1.85m
3:13AM1.86m
5:33PM1.97m
4:12AM1.96m
6:03PM2.06m
Low Tide
9:33AM0.47m
10:08PM1.38m
10:25AM0.34m
10:56PM1.27m
11:09AM0.24m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:33
5:35
5:35
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:04
7:02
7:01
 mm
5
4
3
3
4
2
Temp °C
27
27
27
27
27
28
27
27
27
26
26
27
27
28
27
27
26
25
25
27
28
28
28
27
Feels °C
28
29
29
28
28
30
29
30
31
29
29
30
30
32
31
33
31
29
29
31
31
30
31
31
  • 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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