Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 2 am 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
28.3°C
0.3° 

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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 4ft (1.2m), 8s period with SE swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 3.5ft (1.1m), 8s period with SE swell.
  • Evening surf: Evening surf (09 Sep, local time) - 4.5ft (1.3m), 7s period with NE swell.

The current surf forecast for Aoshima Harbour at 10AM is: 1.2m 8s primary swell from a Southeast direction and 0.4m 10s secondary swell from a East-southeast direction (forecast issued at 02:00am September 09). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (09 Sep)4ft (1.2m)8s
Afternoon (09 Sep)3.5ft (1.1m)8s
Evening (09 Sep)4.5ft (1.3m)7s

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


Short Range Forecast

Heavy rain (total 20mm), heaviest during Wed night. Warm (max 27°C on Wed morning, min 23°C on Wed night). Winds decreasing (fresh winds from the NNE on Wed night, light winds from the ENE by Fri afternoon).

Wednesday
9
Thursday
10
Friday
11
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)
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
1.6
ESE
8
1.3
ESE
8
1.3
ESE
8
1.2
SE
8
1.1
SE
8
1.1
SE
8
1.1
SE
8
1.3
NE
7
0.9
SE
8
1.7
E
8
1.7
E
7
1.9
ENE
7
1.4
E
7
1.7
ENE
7
1.7
ENE
7
1.4
ENE
7
1.2
ENE
6
1
NE
6
0.7
SE
7
0.7
SE
7
0.8
SE
9
0.9
SE
8
0.5
E
14
0.8
SE
7
Wave Graph
Metric surfscale
Energy kJ
368
224
219
192
159
135
135
159
116
323
311
400
215
281
271
170
103
66
48
50
107
104
102
64
Wind (km/h)
5
WSW
5
SSW
5
E
10
ENE
10
E
25
NE
30
NNE
35
NNE
35
NNE
30
NE
25
NE
25
NE
25
NE
20
NE
20
N
20
NNE
20
NNE
15
N
15
N
15
NNE
15
NE
10
ENE
10
ENE
10
NNE
Wind State
glassy
glassy
glassy
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
High Tide
4:09AM1.94m
5:28PM2.07m
4:56AM2.07m
5:52PM2.13m
5:37AM2.18m
6:17PM2.17m
Low Tide
10:41PM1.12m
10:48AM0.37m
11:13PM0.94m
11:25AM0.33m
11:44PM0.77m
11:59AM0.34m
light rain
cloud
part cloud
part cloud
thunderstorm
rain showers
cloud
part cloud
part cloud
light rain
light rain
cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
part cloud
part cloud
thunderstorm
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:27
6:25
 mm
3
2
2
3
2
3
2
1
1
1
1
Temp °C
26
26
27
27
27
27
26
25
24
23
23
23
23
23
23
23
24
23
24
25
26
26
26
26
Feels °C
31
31
32
31
31
27
25
22
21
21
22
23
23
23
24
24
25
24
26
28
29
30
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 

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