Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 am 22 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
28.7°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 (22 Aug):

  • Morning surf: Morning surf (22 Aug, local time) - 2ft (0.6m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (22 Aug, local time) - 2ft (0.6m), 10s period with E swell.
  • Evening surf: Evening surf (22 Aug, local time) - 2ft (0.6m), 10s period with E swell.

The current surf forecast for Aoshima Harbour at 4PM is: 0.6m 10s primary swell from a East direction and 0.6m 8s secondary swell from a South direction (forecast issued at 08:00am August 22). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (22 Aug)2ft (0.6m)10s
Afternoon (22 Aug)2ft (0.6m)10s
Evening (22 Aug)2ft (0.6m)10s

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


Short Range Forecast

Light rain (total 3mm), mostly falling on Sat night. Warm (max 28°C on Sat morning, min 26°C on Sat night). Wind will be generally light.

Saturday
22
Sunday
23
Monday
24
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)
1
0
0
0
0
1
1
0
0
0
0
0
0
0
1
1
1
0
1
2
3
!
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)
0.7
S
9
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.7
E
10
0.6
E
10
0.7
E
10
0.7
E
10
0.7
ESE
12
0.7
SE
13
0.8
ESE
13
0.9
ESE
13
1.5
ESE
17
2
ESE
17
2.5
ESE
17
3
ESE
17
Wave Graph
Metric surfscale
Energy kJ
73
70
70
70
71
71
73
71
71
71
100
78
106
108
138
167
215
257
1206
2204
3580
5110
Wind (km/h)
5
NE
10
ENE
15
E
10
E
10
ESE
5
E
5
NE
10
NNE
10
N
15
NNE
10
ENE
10
ESE
10
ESE
5
ESE
5
E
5
ENE
10
NE
15
NE
15
E
15
ENE
10
ENE
10
ENE
Wind State
glassy
on
cross-on
cross-on
cross-on
glassy
glassy
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
on
on
on
High Tide
3:33PM1.65m
00:50AM1.73m
4:30PM1.80m
2:33AM1.77m
5:05PM1.93m
Low Tide
7:22AM0.69m
7:52PM1.52m
8:50AM0.59m
9:39PM1.43m
9:52AM0.46m
part cloud
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
thunderstorm
clear
clear
clear
clear
clear
part cloud
clear
thunderstorm
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:41
5:43
5:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:51
6:50
6:47
 mm
1
1
1
Temp °C
26
27
28
28
28
27
27
26
26
27
28
28
28
27
27
27
26
27
28
28
27
27
Feels °C
31
31
31
31
32
33
32
30
30
30
32
31
32
31
32
32
29
30
30
31
30
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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