Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 2 am 10 Sep 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
28.2°C
0.2° 

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 (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 4.5ft (1.4m), 7s period with ENE swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 5ft (1.6m), 7s period with E swell.
  • Evening surf: Evening surf (10 Sep, local time) - 4ft (1.2m), 7s period with ENE swell.

The current surf forecast for Aoshima Harbour at 5AM is: 1.6m 7s primary swell from a East direction and 0.2m 17s secondary swell from a East direction, 1.0m 6s secondary swell from a Northeast direction (forecast issued at 02:00am September 10). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (10 Sep)4.5ft (1.4m)7s
Afternoon (10 Sep)5ft (1.6m)7s
Evening (10 Sep)4ft (1.2m)7s

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


Short Range Forecast

Heavy rain (total 25mm), heaviest during Thu morning. Warm (max 26°C on Fri morning, min 23°C on Thu morning). Wind will be generally light.

Thursday
10
Friday
11
Saturday
12
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
0
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
1.3
NE
6
1.2
ESE
8
1.9
NE
6
1.4
ENE
7
1.5
E
7
1.6
E
7
1.4
ENE
7
1.2
ENE
7
1.1
ENE
6
1.2
NE
6
0.8
SE
7
0.9
SE
7
1.1
SE
8
1.2
SE
8
1.1
SE
7
1
SE
7
0.9
SE
7
0.5
E
14
0.5
E
14
0.5
E
14
0.5
E
14
0.5
E
14
0.6
E
14
0.6
E
14
Wave Graph
Metric surfscale
Energy kJ
141
170
269
186
218
261
208
135
98
92
62
89
125
160
118
99
71
99
100
99
97
96
136
132
Wind (km/h)
35
NNE
30
NE
30
NNE
25
NNE
25
NNE
20
NNE
25
NNE
20
NE
20
NNE
20
N
15
NNE
15
NNE
15
NE
10
NE
10
NE
10
NNE
5
NNE
5
NE
5
NNE
10
NE
10
ENE
10
E
5
NE
5
NE
Wind State
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
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
High Tide
4:56AM2.07m
5:52PM2.13m
5:37AM2.18m
6:17PM2.17m
6:16AM2.24m
6:41PM2.19m
Low Tide
11:13PM0.94m
11:25AM0.33m
11:44PM0.77m
11:59AM0.34m
00:14AM0.61m
12:30PM0.40m
cloud
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:27
6:25
6:24
 mm
1
1
8
5
4
2
2
1
1
Temp °C
25
24
24
23
23
24
24
24
24
24
24
25
26
26
26
26
26
25
25
26
26
26
26
26
Feels °C
23
22
23
23
23
25
25
25
25
26
26
27
29
29
30
30
30
29
29
29
29
30
31
31
  • 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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