Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 pm 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
28.6°C
0.3° 

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 (28 Aug):

  • Morning surf: Morning surf (28 Aug, local time) - 4.5ft (1.3m), 7s period with SSE swell.
  • Afternoon surf: Afternoon surf (28 Aug, local time) - 4ft (1.2m), 7s period with SSE swell.
  • Evening surf: Evening surf (28 Aug, local time) - 4ft (1.2m), 7s period with SSE swell.

The current surf forecast for Aoshima Harbour at 4AM is: 1.6m 8s primary swell from a South-southeast direction and 1.4m 8s secondary swell from a South-southeast direction, 0.5m 12s secondary swell from a East direction (forecast issued at 08:00pm August 27). The wind direction is predicted to be cross-offshore and the swell rating is 3.

Time (JST) & DateWave HeightWave Period
Morning (28 Aug)4.5ft (1.3m)7s
Afternoon (28 Aug)4ft (1.2m)7s
Evening (28 Aug)4ft (1.2m)7s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu night. Warm (max 29°C on Fri morning, min 25°C on Fri night). Wind will be generally light.

Thu
27
Friday
28
Saturday
29
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)
2
3
3
3
2
2
0
0
1
2
2
2
2
2
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.7
SSE
8
1.7
SSE
8
1.6
SSE
8
1.6
SSE
8
1.4
SSE
8
1.3
SSE
7
1.3
SSE
7
1.2
SSE
7
1.2
SSE
7
1.2
SSE
7
0.6
E
13
0.6
E
13
0.6
E
13
0.6
E
12
0.6
E
12
0.6
E
12
0.6
E
12
0.6
E
12
Wave Graph
Metric surfscale
Energy kJ
348
348
314
291
219
193
164
153
160
160
123
119
115
109
106
104
101
101
Wind (km/h)
20
S
15
S
15
SSW
10
SSW
10
SSW
10
S
15
SE
20
SSE
15
S
15
SSW
10
SW
10
SW
5
WSW
5
SSW
20
SSE
25
SSE
20
S
10
SSW
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross
cross
cross-off
cross-off
High Tide
6:25PM2.16m
6:01AM2.21m
6:50PM2.18m
6:40AM2.24m
7:14PM2.19m
Low Tide
00:12AM0.81m
12:28PM0.27m
00:42AM0.68m
12:59PM0.35m
clear
part cloud
thunderstorm
thunderstorm
part cloud
clear
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:46
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:44
6:43
 mm
1
1
Temp °C
28
27
27
27
26
28
29
29
28
27
26
26
25
28
29
29
28
27
Feels °C
31
31
31
32
30
32
32
31
31
31
30
30
29
32
31
30
30
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 

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.


Nearest locationNearest