Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 2 pm 03 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 (03 Sep):

  • Afternoon surf: Afternoon surf (03 Sep, local time) - 7ft (2.2m), 10s period with SE swell.
  • Evening surf: Evening surf (03 Sep, local time) - 8ft (2.5m), 10s period with SE swell.

The current surf forecast for Aoshima Harbour at 8PM is: 2.5m 10s primary swell from a Southeast direction and 0.5m 10s secondary swell from a East direction, 0.5m 4s secondary swell from a North-northeast direction (forecast issued at 02:00pm September 03). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (03 Sep)--
Afternoon (03 Sep)7ft (2.2m)10s
Evening (03 Sep)8ft (2.5m)10s

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


Short Range Forecast

Heavy rain (total 159mm), heaviest during Fri afternoon. Warm (max 27°C on Thu afternoon, min 22°C on Fri afternoon). Mainly near gales.

Thu
3
Friday
4
Saturday
5
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
1
!
3
3
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
SE
9
2.2
SE
10
2.4
SE
10
2.5
SE
10
2.5
SE
10
3
SSE
10
2.5
SE
10
1.7
SSE
10
1.5
S
10
1.4
SE
9
2
NE
7
1.6
NE
7
1.6
ENE
7
3
ENE
8
2.1
ENE
8
1.9
ENE
8
2.1
ENE
8
2.1
ENE
8
2.5
ENE
8
2.2
ENE
8
Wave Graph
Metric surfscale
Energy kJ
679
869
1133
1202
1202
1724
1201
574
422
281
337
227
268
1204
606
445
561
575
778
604
Wind (km/h)
20
ENE
20
ENE
30
ENE
25
ENE
20
E
10
ESE
10
E
10
E
20
NE
50
NNE
45
NNE
40
ENE
35
ENE
35
NE
35
NNE
35
NNE
35
NNE
30
NNE
25
NE
25
NNE
Wind State
on
on
on
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
cross-on
cross-on
High Tide
10:22AM1.71m
9:28PM1.93m
11:55AM1.58m
10:09PM1.81m
2:33PM1.61m
Low Tide
3:31PM1.20m
4:45AM0.65m
4:16PM1.39m
6:11AM0.70m
6:22PM1.53m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
light rain
light rain
light rain
light rain
heavy rain
mod rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:36
6:35
6:34
 mm
4
3
3
3
4
5
4
7
15
16
21
19
4
3
4
1
2
16
10
1
Temp °C
28
27
27
27
27
27
26
26
24
23
22
23
24
24
23
23
23
24
24
25
Feels °C
30
29
27
28
30
31
30
31
25
18
18
20
22
22
20
21
21
23
24
24
  • 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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