Aoshima Harbour surfForecast / Kyu Shu / Japan

information circle48hr Weather and Surf, issued 8 am Sunday 31 May 2026 JST
Forecast update in hr  min  s Forecast update imminent
Aoshima Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aoshima Harbour sea temperature is
23.9° C
(Which is normal for this time of year)

How big are the waves at Aoshima Harbour today (31 May):

  • Morning surf: Morning surf (31 May, local time) - 3.5ft (1.0m), 12s period with SSE swell.
  • Afternoon surf: Afternoon surf (31 May, local time) - 4.5ft (1.3m), 12s period with SSE swell.
  • Evening surf: Evening surf (31 May, local time) - 4.5ft (1.3m), 11s period with SSE swell.

The current surf forecast for Aoshima Harbour at 4PM is: 1.3m 12s primary swell from a South-southeast direction and 0.7m 11s secondary swell from a East direction, 0.4m 4s secondary swell from a East-northeast direction (forecast issued at 08:00am May 31). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (31 May)3.5ft (1.0m)12s
Afternoon (31 May)4.5ft (1.3m)12s
Evening (31 May)4.5ft (1.3m)11s

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 278mm), heaviest during Tue night. Warm (max 24°C on Tue night, min 20°C on Sun morning). Winds increasing (light winds from the SE on Sun night, severe gales from the ENE by Tue night).

Sunday
31
Monday
1
Tuesday
2
Wed
3
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
0
1
2
1
1
2
2
1
1
1
1
1
1
0
2
0
0
0
0
!
!
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
SSE
13
1
SSE
12
1.2
SSE
12
1.3
SSE
12
1.2
SSE
12
1.3
SSE
11
1.5
SE
11
2.1
SE
13
1.5
SSE
14
1.6
SSE
13
1.6
SSE
13
1.6
SSE
13
1.6
SSE
13
1.6
S
13
1.6
S
13
1.6
S
13
1.7
S
13
1.6
S
13
3.5
ESE
8
5
ESE
9
6.5
SE
11
5.5
SSE
14
4.5
SSE
14
3
SSE
12
Wave Graph
Metric surfscale
Energy kJ
265
320
390
436
371
451
515
1524
790
880
836
823
958
919
905
878
987
867
1616
3916
10794
11502
7108
2953
Wind (km/h)
15
N
15
N
20
NNW
15
SE
15
SE
10
SE
10
ESE
10
E
20
ENE
20
ENE
20
NE
20
NE
20
ENE
20
NE
20
SE
25
SSE
25
SE
35
ESE
40
E
55
E
75
ENE
85
ENE
75
N
55
NNW
cross-on
cross
cross
cross
cross
cross-on
cross-on
on
on
on
on
on
on
on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
on
on
cross-on
cross
High Tide
5:03AM2.00m
6:46PM1.97m
5:37AM2.01m
7:27PM1.96m
6:13AM2.00m
8:09PM1.94m
Low Tide
11:55AM-0.04m
00:09AM1.03m
12:33PM-0.07m
00:48AM1.07m
1:11PM-0.05m
1:27AM1.10m
cloud
cloud
cloud
clear
cloud
part cloud
cloud
part cloud
cloud
cloud
light rain
light rain
mod rain
mod rain
heavy rain
mod rain
mod rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:09
5:09
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:13
7:14
7:14
7:15
1
4
8
10
11
7
10
25
26
39
33
57
38
9
Temp °C
22
22
20
22
21
21
21
21
22
22
21
21
22
22
23
23
22
22
23
23
23
23
23
24
22
21
18
21
21
22
21
22
21
21
21
21
23
23
24
23
21
20
20
17
14
11
13
17
Swell 1
Height (m)
Direction
Period (s)
0.9
SSE
13
1
SSE
12
1.2
SSE
12
1.3
SSE
12
1.2
SSE
12
1.3
SSE
11
1.5
SE
11
2.1
SE
13
1.6
SE
8
1.6
SSE
13
1.6
SSE
13
1.6
SSE
13
1.6
SSE
13
1.6
S
13
1.6
S
13
1.6
S
13
1.7
S
13
1.6
S
13
1.7
S
11
1.7
S
14
5
S
13
5.5
SSE
14
4.5
SSE
14
3
E
10
Energy kJ
265
320
390
436
371
451
515
1524
314
880
836
823
958
919
905
878
987
865
733
1036
8580
11502
7108
2034
Swell 2
Height (m)
Direction
Period (s)
0.7
E
11
0.8
E
11
0.7
E
11
0.7
E
10
0.7
E
11
1
SE
5
1
SSE
14
0.6
E
10
1.5
SSE
14
1.5
ESE
8
1.5
ESE
8
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
10
0.6
E
9
0.1
SE
12
4.5
ESE
11
3.5
ESE
11
3
SSE
12
Energy kJ
114
149
112
108
112
53
395
77
790
300
280
71
73
70
70
64
6
4232
3110
2953
Swell 3
Height (m)
Direction
Period (s)
0.5
S
15
0.7
S
15
0.6
SSE
15
0.7
E
11
0.7
E
10
0.3
SE
12
0.6
E
10
0.6
E
10
0.5
E
10
0.2
ESE
12
0.1
SE
12
2.5
E
10
2.2
ENE
10
Energy kJ
115
205
176
112
108
25
75
71
50
15
6
1370
910
Wind waves
Height (m)
Direction
Period (s)
0.5
NE
3
0.4
NE
4
0.4
ENE
4
0.6
ESE
4
1.5
ESE
7
1.4
ESE
7
1.5
ESE
7
1.5
ESE
7
1.6
ESE
7
1.7
ESE
7
1.9
ESE
7
2.1
SE
7
2.3
ESE
7
2.5
ESE
8
3.5
ESE
8
5
ESE
9
6.5
SE
11
0.9
NW
5
2.4
N
8
Energy kJ
5
3
5
13
204
186
217
236
258
286
372
465
559
867
1616
3916
10794
35
687
Nearest Offshore or Glassy
Rating
(10 max)
3
3
3
3
2
4
3
4
1
1
4
1
1
1
1
2
2
2
2
1
5
5
4
4
Distance (km)
22
39
3
284
2028
49
39
52
202
202
49
202
202
202
202
202
202
202
202
431
496
496
496
496
Best forecast wave conditions in Kyu Shu
Rating
(10 max)
3
3
3
4
3
4
1
1
4
1
1
1
1
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
4
4
3
3
4
3
4
4
4
4
4
4
4
4
4
4
4
2
4
4
3
3
3
Header Global
Rating
(10 max)
7
7
7
7
7
6
5
5
5
5
5
5
5
4
5
9
5
5
5
8
5
6
4
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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