Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 am 30 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
28.7°C
0.4° 

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 (30 Aug):

  • Morning surf: Morning surf (30 Aug, local time) - 3ft (0.9m), 7s period with SSE swell.
  • Afternoon surf: Afternoon surf (30 Aug, local time) - 3.5ft (1.0m), 7s period with S swell.
  • Evening surf: Evening surf (30 Aug, local time) - 2.5ft (0.8m), 7s period with SSE swell.

The current surf forecast for Aoshima Harbour at 4PM is: 0.9m 7s primary swell from a South direction and 0.8m 7s secondary swell from a South-southeast direction, 0.5m 11s secondary swell from a East direction (forecast issued at 08:00am August 30). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (30 Aug)3ft (0.9m)7s
Afternoon (30 Aug)3.5ft (1.0m)7s
Evening (30 Aug)2.5ft (0.8m)7s

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


Short Range Forecast

Heavy rain (total 22mm), heaviest during Tue morning. Warm (max 29°C on Sun morning, min 26°C on Sun night). Wind will be generally light.

Sunday
30
Monday
31
Tuesday
1
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
1
1
0
0
1
1
1
1
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
Wave
Height (m)
Direction
Period (s)
0.9
SSE
7
0.9
SSE
7
0.9
SSE
7
1
S
7
0.8
SSE
7
0.8
SSE
7
0.5
E
11
0.5
E
11
0.5
E
11
0.5
E
11
0.5
E
11
0.5
E
10
0.4
E
11
0.7
SSE
7
0.8
SSE
8
1
SSE
8
1.1
SE
8
1.2
SE
8
1.4
SE
7
1.4
SE
7
1.5
SE
8
1.6
SE
8
Wave Graph
Metric surfscale
Energy kJ
91
74
83
102
65
65
57
58
58
57
55
53
37
48
75
136
133
164
193
217
250
316
Wind (km/h)
5
WSW
5
SSW
15
SSE
20
SSE
15
S
10
SW
5
WSW
5
SW
5
WSW
5
SSE
15
SE
15
SE
10
ESE
10
E
15
E
15
E
15
ESE
20
E
20
ESE
15
E
15
E
15
E
Wind State
off
glassy
cross
cross
cross-off
cross-off
off
glassy
glassy
cross
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
7:18AM2.22m
7:39PM2.18m
7:56AM2.15m
8:04PM2.14m
8:37AM2.03m
8:29PM2.09m
Low Tide
1:30PM0.47m
1:47AM0.51m
1:59PM0.63m
2:22AM0.49m
2:29PM0.81m
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:48
5:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:40
6:39
6:38
 mm
3
2
4
1
4
2
Temp °C
26
28
29
29
28
27
26
26
26
27
28
28
28
27
27
27
27
27
28
28
28
27
Feels °C
31
33
32
31
31
31
30
31
31
31
30
30
31
31
30
29
30
29
30
30
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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Aoshima Harbour surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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