Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 pm 18 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
28.8° 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 (19 Aug):

  • Morning surf: Morning surf (19 Aug, local time) - 3ft (0.9m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (19 Aug, local time) - 3ft (0.9m), 8s period with E swell.
  • Evening surf: Evening surf (19 Aug, local time) - 2.5ft (0.8m), 8s period with E swell.

The current surf forecast for Aoshima Harbour at 3AM is: 0.8m 8s primary swell from a East direction and 0.4m 6s secondary swell from a South-southeast direction (forecast issued at 08:00pm August 18). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 Aug)3ft (0.9m)8s
Afternoon (19 Aug)3ft (0.9m)8s
Evening (19 Aug)2.5ft (0.8m)8s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Tue night. Warm (max 28°C on Wed morning, min 26°C on Wed night). Wind will be generally light.

Tue
18
Wednesday
19
Thursday
20
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
0
1
0
0
0
0
0
1
0
0
0
0
0
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
E
9
0.8
E
9
0.8
E
9
0.8
E
8
0.9
E
8
0.9
E
8
0.9
E
8
0.9
E
8
0.8
E
8
0.8
E
8
0.8
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.8
SSE
9
0.9
SSE
9
1.1
SSE
9
1.1
SSE
9
Wave Graph
Metric surfscale
Energy kJ
99
95
93
91
116
113
116
113
86
86
82
61
58
57
90
140
207
199
Wind (km/h)
10
ESE
10
SE
5
E
5
ESE
10
ENE
15
NE
15
ENE
15
E
10
E
10
E
5
ENE
5
NNE
10
N
10
NNE
15
E
15
E
10
ESE
5
ESE
Wind State
cross-on
cross-on
glassy
cross-on
on
on
on
on
on
on
glassy
cross-on
cross
cross-on
on
cross-on
cross-on
cross-on
High Tide
9:08PM2.04m
10:00AM1.78m
9:38PM1.97m
11:12AM1.62m
Low Tide
3:01PM0.83m
3:41AM0.63m
3:33PM1.04m
4:34AM0.67m
4:11PM1.24m
part cloud
part cloud
part cloud
thunderstorm
part cloud
clear
clear
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:39
5:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:54
6:53
6:52
 mm
1
1
1
1
Temp °C
28
27
27
27
27
27
28
28
28
27
27
27
26
27
28
28
28
27
Feels °C
32
31
32
32
31
30
31
31
32
31
32
32
30
31
31
31
33
32
  • 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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