Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 am 04 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 (04 Sep):

  • Morning surf: Morning surf (04 Sep, local time) - 8ft (2.5m), 10s period with SSE swell.
  • Afternoon surf: Afternoon surf (04 Sep, local time) - 5ft (1.6m), 10s period with S swell.
  • Evening surf: Evening surf (04 Sep, local time) - 7ft (2.1m), 6s period with NE swell.

The current surf forecast for Aoshima Harbour at 3PM is: 1.6m 10s primary swell from a South direction and 1.5m 8s secondary swell from a Southeast direction (forecast issued at 08:00am September 04). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (04 Sep)8ft (2.5m)10s
Afternoon (04 Sep)5ft (1.6m)10s
Evening (04 Sep)7ft (2.1m)6s

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


Short Range Forecast

Heavy rain (total 524mm), heaviest during Fri night. Warm (max 26°C on Fri morning, min 21°C on Fri afternoon). Mainly near gales.

Friday
4
Saturday
5
Sunday
6
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)
2
2
3
1
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)
2.3
SE
10
2.5
SSE
10
1.7
S
10
1.6
S
10
1.4
S
10
2.1
NE
6
3
ENE
8
4
E
10
3
ENE
9
3
E
8
2
E
8
1.7
E
8
2
ENE
8
1.6
E
8
1.8
E
8
2
E
8
2.1
E
8
2.5
E
8
3.5
E
9
3.5
E
10
4
ENE
10
4
ENE
11
Wave Graph
Metric surfscale
Energy kJ
1060
1237
573
490
349
356
1093
2812
1670
1041
491
350
484
310
357
453
553
997
2185
2590
3605
3477
Wind (km/h)
10
ESE
20
SE
20
S
10
SE
55
NNE
45
NE
55
NE
50
NE
45
ENE
25
ESE
30
ESE
20
E
30
ENE
35
ENE
25
NE
25
NE
30
NE
35
NE
40
NE
35
NNE
35
NNE
25
NNE
Wind State
cross-on
cross
cross-off
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
High Tide
11:55AM1.58m
10:09PM1.81m
2:33PM1.61m
11:29PM1.70m
3:55PM1.74m
Low Tide
4:45AM0.65m
4:16PM1.39m
6:11AM0.70m
6:22PM1.53m
7:54AM0.67m
mod rain
thunderstorm
thunderstorm
thunderstorm
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
thunderstorm
thunderstorm
mod rain
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:50
5:50
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:34
6:32
 mm
6
13
31
24
58
14
18
67
115
53
29
8
8
6
8
11
17
16
11
5
3
1
Temp °C
27
26
26
25
21
23
23
24
25
25
26
26
26
26
26
25
25
26
26
25
26
26
Feels °C
31
28
29
29
14
19
17
19
22
26
26
28
26
25
27
26
25
25
24
24
24
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.


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