Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 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 1PM is: 1.6m 14s primary swell from a East direction and 2.1m 8s secondary swell from a East-southeast direction, 0.9m 11s secondary swell from a South direction (forecast issued at 08:00am 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

Moderate rain (total 15mm), heaviest on Sun morning. Warm (max 28°C on Mon morning, min 24°C on Mon night). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
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
1
1
2
2
3
3
3
3
1
1
2
3
3
3
3
3
3
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)
2.4
ESE
8
2.1
ESE
8
1.6
E
14
2.1
ESE
8
2
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
778
587
928
593
1534
1172
1090
919
905
787
653
603
496
416
416
423
413
400
325
303
237
233
Wind (km/h)
20
E
20
E
20
E
15
ENE
15
E
15
E
10
E
10
ESE
10
E
5
ENE
10
NE
10
ENE
5
E
0
NW
5
WSW
5
W
5
WNW
0
N
5
E
5
SSE
10
S
5
WSW
Wind State
on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
glassy
glassy
cross-off
cross-off
glassy
glassy
cross
cross-off
off
High Tide
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
mod rain
thunderstorm
thunderstorm
cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
cloud
thunderstorm
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
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
4
6
5
2
1
1
Temp °C
27
26
27
27
27
27
27
26
26
27
28
27
27
26
25
25
24
27
27
27
27
26
Feels °C
29
28
29
29
30
30
31
29
29
31
31
30
31
31
29
29
27
31
30
29
29
29
  • 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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