Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 2 am 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
29.0°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):

  • Morning surf: Morning surf (03 Sep, local time) - 5.5ft (1.7m), 10s period with SE swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 8ft (2.5m), 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 5AM is: 1.8m 9s primary swell from a Southeast direction and 1.5m 8s secondary swell from a Southeast direction, 0.7m 11s secondary swell from a East direction (forecast issued at 02:00am September 03). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (03 Sep)5.5ft (1.7m)10s
Afternoon (03 Sep)8ft (2.5m)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 174mm), heaviest during Fri afternoon. Warm (max 28°C on Thu afternoon, min 23°C on Fri afternoon). Mainly strong winds.

Thursday
3
Friday
4
Saturday
5
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)
0
1
1
0
1
1
0
0
0
1
1
0
2
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
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
SE
8
1.6
SE
8
1.8
SE
9
1.7
SE
10
2.3
SE
10
2.5
SE
10
2.3
SE
10
2.5
SE
10
2.5
SE
10
2.5
SE
10
2.5
SE
10
1.6
SSE
10
1.6
SE
9
1.3
SE
8
2.2
ENE
7
2.5
ENE
8
2.5
E
9
2.5
E
9
2.5
ENE
8
2.4
ENE
8
2.5
ENE
8
2.3
E
8
2.3
E
8
2.4
E
8
Wave Graph
Metric surfscale
Energy kJ
264
367
465
531
959
1201
1047
1245
1280
1478
1250
523
427
256
467
844
1183
1051
792
691
871
719
709
765
Wind (km/h)
15
NE
15
NE
15
ENE
15
ENE
20
ENE
20
ENE
25
ENE
25
ENE
25
E
20
ESE
20
ESE
15
SE
10
ESE
45
NNE
40
NNE
35
NE
35
ENE
35
NE
40
NE
40
NNE
40
NE
35
NE
35
NE
35
NE
Wind State
cross-on
on
on
on
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
on
on
on
on
High Tide
10:22AM1.71m
9:28PM1.93m
11:55AM1.58m
10:09PM1.81m
2:33PM1.61m
Low Tide
3:46AM0.57m
3:31PM1.20m
4:45AM0.65m
4:16PM1.39m
6:11AM0.70m
6:22PM1.53m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
mod rain
mod rain
thunderstorm
heavy rain
mod rain
mod rain
mod rain
light rain
mod rain
mod rain
thunderstorm
mod rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:36
6:35
6:34
 mm
3
1
1
3
5
3
3
4
7
6
6
7
13
38
10
8
9
4
9
6
12
9
5
2
Temp °C
27
27
27
27
27
28
27
27
26
27
27
26
25
23
23
23
24
24
24
24
25
25
26
26
Feels °C
30
30
30
30
29
30
28
28
27
30
30
29
29
19
19
20
21
22
21
21
23
24
25
25
  • 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 

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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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