Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 am 05 Sep 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
28.9°C
0.8° 

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 (05 Sep):

  • Morning surf: Morning surf (05 Sep, local time) - 7ft (2.1m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (05 Sep, local time) - 7.5ft (2.3m), 8s period with ENE swell.
  • Evening surf: Evening surf (05 Sep, local time) - 7.5ft (2.3m), 8s period with E swell.

The current surf forecast for Aoshima Harbour at 12PM is: 2.0m 8s primary swell from a East direction and 1.2m 8s secondary swell from a South-southeast direction, 0.1m 15s secondary swell from a East direction (forecast issued at 08:00am September 05). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (05 Sep)7ft (2.1m)8s
Afternoon (05 Sep)7.5ft (2.3m)8s
Evening (05 Sep)7.5ft (2.3m)8s

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


Short Range Forecast

Heavy rain (total 99mm), heaviest during Sat afternoon. Warm (max 28°C on Mon morning, min 24°C on Sun afternoon). Winds decreasing (near gales from the NE on Sun afternoon, light winds from the NNE by Mon morning).

Saturday
5
Sunday
6
Monday
7
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
0
0
0
0
0
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)
2.5
E
8
2.1
E
8
2
E
8
2.3
ENE
8
2.4
ENE
8
2.3
E
8
2.3
E
8
2.5
E
8
2.5
E
8
2.5
E
9
3.5
ENE
9
4
ENE
10
3.5
E
10
3.5
E
11
4.5
ENE
11
4
ENE
11
3.5
ENE
11
3
ENE
11
2.3
E
10
2
E
10
2.3
ENE
9
1.8
ENE
9
Wave Graph
Metric surfscale
Energy kJ
836
551
451
561
661
684
692
836
887
1051
2151
3152
2291
2935
4400
3981
2719
2092
1026
724
793
489
Wind (km/h)
35
ENE
25
ENE
25
ENE
35
NE
40
NE
35
NE
35
NE
35
NNE
40
NNE
40
NNE
40
NNE
50
NE
45
NE
45
NE
40
NE
30
NNE
15
N
15
NNE
30
NE
25
ENE
20
ENE
25
NNE
Wind State
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
High Tide
2:33PM1.61m
11:29PM1.70m
3:55PM1.74m
1:41AM1.69m
4:33PM1.87m
Low Tide
6:11AM0.70m
6:22PM1.53m
7:54AM0.67m
9:04PM1.46m
9:12AM0.56m
light rain
mod rain
thunderstorm
thunderstorm
mod rain
mod rain
light rain
light rain
light rain
light rain
light rain
heavy rain
mod rain
mod rain
rain showers
cloud
cloud
cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:34
6:32
6:30
 mm
4
10
14
21
6
6
1
3
2
1
1
18
6
8
2
Temp °C
25
26
25
25
25
25
25
25
25
25
25
24
25
25
25
25
24
25
28
27
28
27
Feels °C
23
27
26
23
23
23
23
23
23
22
22
19
22
22
22
24
25
27
26
26
29
27
  • 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