Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 2 am 23 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
28.7°C
0.2° 

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 (23 Aug):

  • Morning surf: Morning surf (23 Aug, local time) - 2.5ft (0.7m), 10s period with ESE swell.
  • Afternoon surf: Afternoon surf (23 Aug, local time) - 2.5ft (0.7m), 10s period with E swell.
  • Evening surf: Evening surf (23 Aug, local time) - 2.5ft (0.7m), 10s period with E swell.

The current surf forecast for Aoshima Harbour at 5AM is: 0.6m 10s primary swell from a East direction and 0.6m 8s secondary swell from a South direction, 0.4m 4s secondary swell from a East-southeast direction (forecast issued at 02:00am August 23). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (23 Aug)2.5ft (0.7m)10s
Afternoon (23 Aug)2.5ft (0.7m)10s
Evening (23 Aug)2.5ft (0.7m)10s

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


Short Range Forecast

Heavy rain (total 33mm), heaviest during Tue night. Warm (max 28°C on Sun morning, min 26°C on Sun night). Wind will be generally light.

Sunday
23
Monday
24
Tuesday
25
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)
1
0
0
0
0
0
0
1
1
1
1
0
0
2
2
4
!
!
!
0
0
0
0
0
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)
0.6
E
10
0.6
E
10
0.6
E
10
0.7
ESE
10
0.8
ESE
10
0.7
E
10
0.7
E
10
0.7
E
10
0.7
ESE
12
0.7
SE
13
0.9
ESE
13
1
ESE
13
1.3
ESE
15
1.8
ESE
16
2.2
ESE
16
2.5
ESE
17
3
ESE
16
3.5
SE
16
3.5
SE
16
4
SE
16
4
SE
16
4
SE
16
4
SE
15
4
SE
15
Wave Graph
Metric surfscale
Energy kJ
73
71
71
102
136
106
106
108
138
167
265
346
656
1566
2450
3700
4703
6112
6761
7858
8031
7568
6812
6809
Wind (km/h)
5
NE
5
NE
10
N
10
NNE
10
ESE
10
E
10
ESE
0
ESE
5
N
5
N
10
NNE
15
NE
20
E
15
ENE
15
E
10
NE
10
NE
15
NE
20
NE
25
NE
25
NE
30
NE
25
NE
25
ENE
Wind State
glassy
cross-on
cross
cross-on
cross-on
cross-on
cross-on
glassy
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
on
cross-on
on
cross-on
cross-on
on
on
High Tide
00:50AM1.73m
4:30PM1.80m
2:33AM1.77m
5:05PM1.93m
3:44AM1.89m
5:34PM2.03m
Low Tide
8:50AM0.59m
9:39PM1.43m
9:52AM0.46m
10:31PM1.29m
10:39AM0.34m
part cloud
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:43
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:50
6:47
6:46
 mm
1
2
7
Temp °C
27
27
26
27
28
28
28
27
27
26
26
27
28
28
28
27
27
26
26
27
27
28
28
28
Feels °C
32
32
30
31
31
31
32
32
32
30
30
30
30
31
31
31
31
29
28
27
28
29
30
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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