Aoshima Harbour Surf Break

Aoshima Harbour 48 hour detailed Surf Forecast

Lat Long: 31.80° N 131.47° E

Issued: 8 am 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
24.3° C

1.1°C colder than average for this time of year

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 (21 Jun):

  • Morning surf: Morning surf (21 Jun, local time) - 2.5ft (0.7m), 6s period with S swell.
  • Afternoon surf: Afternoon surf (21 Jun, local time) - 1.5ft (0.5m), 9s period with SE swell.
  • Evening surf: Evening surf (21 Jun, local time) - 1.5ft (0.5m), 9s period with SE swell.

The current surf forecast for Aoshima Harbour at 2PM is: 0.5m 9s primary swell from a Southeast direction and 0.6m 5s secondary swell from a South direction (forecast issued at 08:00am June 21). An open ocean swell of 1.0m 5s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (JST) & DateWave HeightWave Period
Morning (21 Jun)2.5ft (0.7m)6s
Afternoon (21 Jun)1.5ft (0.5m)9s
Evening (21 Jun)1.5ft (0.5m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 135mm), heaviest during Tue night. Warm (max 30°C on Sun afternoon, min 20°C on Mon night). Wind will be generally light.

Sunday
21
Monday
22
Tuesday
23
Wed
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
12 AM
3 AM
Rating
(10 max)
0
1
1
1
0
1
1
1
0
0
0
0
0
1
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)
0.4
ESE
9
0.7
S
6
0.4
ESE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.6
ESE
9
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.5
SSE
12
0.7
SSE
12
0.7
SSE
12
1.5
ESE
7
1.2
ESE
7
Wave Graph
Metric surfscale
Energy kJ
33
32
32
41
41
41
41
41
41
41
58
64
65
65
61
58
55
56
67
87
152
142
192
129
Wind (km/h)
15
SW
10
SW
10
SW
10
W
15
ENE
5
ESE
5
SSW
5
SW
5
NNW
5
NNE
5
E
10
SSE
15
SSE
5
NNE
15
NNE
15
NNE
20
NNE
25
NE
30
ENE
25
ENE
20
E
15
ENE
15
NE
20
ENE
Wind State
cross-off
cross-off
off
off
on
glassy
cross-off
glassy
cross
cross-on
cross-on
cross
cross
glassy
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
High Tide
9:43AM1.68m
11:06PM1.83m
10:57AM1.58m
11:53PM1.81m
12:28PM1.52m
00:43AM1.80m
Low Tide
4:15AM1.02m
4:17PM0.58m
5:18AM0.96m
5:10PM0.76m
6:29AM0.86m
6:13PM0.94m
cloud
thunderstorm
rain showers
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
light rain
mod rain
mod rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
mod rain
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:09
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:22
7:22
7:22
 mm
1
2
1
6
10
14
11
19
12
18
8
4
2
3
Temp °C
26
25
26
30
24
23
23
22
22
24
24
24
22
21
20
20
20
21
21
20
20
21
21
21
Feels °C
29
29
29
32
26
26
26
25
24
26
27
26
24
24
20
20
19
20
19
19
19
22
22
21
Swell 1
Height (m)
Direction
Period (s)
0.4
ESE
9
0.7
S
6
0.6
S
5
0.6
S
5
0.5
S
5
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.6
ESE
9
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
10
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.6
ESE
9
0.5
SSE
12
0.7
SSE
12
1.3
ESE
6
1.3
ESE
7
1.2
ESE
7
Energy kJ
33
30
21
20
13
41
41
41
41
41
58
64
65
65
61
58
55
56
55
87
152
132
163
129
Swell 2
Height (m)
Direction
Period (s)
0.1
E
12
0.4
ESE
9
0.4
ESE
9
0.5
SE
9
0.5
SE
9
0.4
NE
5
0.5
NE
5
0.4
NE
6
0.3
NE
5
0.3
NE
4
0.2
SSE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.3
SSE
13
0.4
SSE
13
0.5
SE
8
0.4
SE
9
0.7
SSE
12
0.7
SSE
11
0.7
SSE
11
Energy kJ
3
32
32
41
41
7
13
11
4
3
15
38
34
34
28
28
27
33
67
35
23
142
128
121
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.1
E
18
0.1
E
18
0.1
E
18
0.4
S
5
0.4
S
5
0.3
S
5
0.3
S
5
0.3
S
4
0.2
S
4
0.2
S
4
0.2
S
4
0.2
S
4
0.1
E
10
0.1
E
10
0.2
SSE
10
0.2
SSE
10
0.2
ESE
13
0.3
SE
13
0.4
SE
12
0.4
SE
11
0.4
SE
11
Energy kJ
6
6
6
6
8
8
4
4
4
2
1
1
1
2
2
10
10
17
26
35
32
32
Wind waves
Height (m)
Direction
Period (s)
0.8
S
6
1.1
SSW
6
1.1
SSW
6
1
SSW
5
0.3
NE
4
0.8
NNE
5
0.4
NE
4
0.7
NE
5
0.6
NE
5
0.6
NE
4
0.7
ENE
4
0.8
ENE
5
0.8
ENE
5
1
E
6
1.5
ESE
7
1.2
ESE
6
Energy kJ
39
80
74
53
2
29
3
28
22
16
16
24
28
66
192
123
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
2
2
Distance (km)
1
0
0
0
18
0
0
0
18
50
18
19
39
0
23
39
39
39
49
284
61
49
39
49
Best forecast wave conditions in Kyu Shu
Rating
(10 max)
2
2
1
1
2
3
3
1
3
1
1
1
1
1
1
1
1
1
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
3
4
3
3
3
3
3
1
3
1
1
1
2
2
2
2
2
2
3
1
3
2
2
2
Header Global
Rating
(10 max)
5
9
9
9
8
8
7
7
7
6
6
6
7
6
5
5
5
5
5
6
5
5
6
5
  • 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
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