Aoshima Harbour surfForecast / Kyu Shu / Japan

information circle48hr Weather and Surf, issued 8 pm Tuesday 19 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
23.1° C
(Which is normal for this time of year)

How big are the waves at Aoshima Harbour today?

The current surf forecast for Aoshima Harbour at 12AM is: 0.9m 9s primary swell from a East-southeast direction and 1.1m 7s secondary swell from a Southeast direction (forecast issued at 08:00pm May 19). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (20 May)4.5ft (1.3m)7s
Afternoon (20 May)3ft (0.9m)10s
Evening (20 May)4.5ft (1.4m)8s

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 21mm), heaviest during Tue night. Warm (max 26°C on Wed afternoon, min 19°C on Thu night). Wind will be generally light.

Tue
19
Wednesday
20
Thursday
21
Friday
22
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
6 AM
9 AM
12 PM
3 PM
Rating
(10 max)
0
0
1
2
1
1
2
1
1
2
3
2
2
1
0
1
2
3
2
2
1
1
0
0
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
10
1.3
SE
7
1.6
SE
7
0.9
ESE
10
1.5
SE
8
1.4
SE
8
1.5
S
7
1.1
ESE
10
1.1
ESE
10
0.9
ESE
10
1.3
S
7
1.4
S
7
1.5
S
7
1.7
SSW
7
1.4
SSW
7
1.3
SSW
7
0.7
ESE
9
0.7
ESE
10
0.7
ESE
10
0.6
ESE
10
Wave Graph
Metric surfscale
Energy kJ
147
144
144
147
166
169
255
169
248
229
206
210
210
163
150
173
210
262
176
134
92
94
94
71
Wind (km/h)
15
ENE
15
ENE
10
E
5
N
10
N
10
N
5
SSE
20
S
20
S
10
SW
15
WSW
15
SW
15
SW
20
SW
30
SW
20
SSW
15
SW
15
WSW
15
W
15
WSW
10
W
5
NW
15
ENE
15
ESE
on
on
cross-on
glassy
cross
cross-on
glassy
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
cross-off
on
cross-on
High Tide
8:33PM1.85m
7:13AM1.89m
9:21PM1.79m
7:53AM1.79m
10:14PM1.72m
8:42AM1.67m
Low Tide
1:49AM1.08m
2:17PM0.06m
2:35AM1.14m
3:02PM0.19m
3:32AM1.18m
cloud
light rain
light rain
mod rain
light rain
part cloud
rain showers
rain showers
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
light rain
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:13
5:13
5:13
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:06
7:06
7:07
7:07
1
5
8
2
1
1
1
2
Temp °C
22
22
21
21
21
22
23
26
25
24
23
22
23
26
24
23
24
23
21
19
19
22
23
23
22
23
23
24
23
25
26
26
26
26
25
23
25
26
22
24
26
24
21
18
19
22
23
23
Swell 1
Height (m)
Direction
Period (s)
0.9
ESE
9
1.1
SE
7
1.1
SE
7
1.1
SE
7
1.2
SE
7
1.3
SE
7
1.6
SE
7
1
SE
7
1.5
SE
8
1.4
SE
8
0.9
SE
7
1.1
ESE
10
1.1
ESE
10
0.9
ESE
10
0.9
ESE
10
0.9
ESE
9
0.8
ESE
9
1.3
S
7
1
S
7
0.9
S
6
0.7
S
6
0.7
ESE
10
0.7
ESE
10
0.6
ESE
10
Energy kJ
147
105
130
119
128
140
255
91
248
229
86
210
210
163
129
126
100
159
88
65
37
94
94
71
Swell 2
Height (m)
Direction
Period (s)
0.9
SE
6
0.9
ESE
9
0.9
ESE
9
0.9
ESE
9
0.9
ESE
10
0.9
ESE
10
0.9
ESE
6
0.9
ESE
10
0.5
S
7
0.7
S
7
0.9
ESE
10
0.8
S
7
1
S
7
0.8
ESE
9
0.8
ESE
9
0.8
ESE
10
0.7
ESE
9
0.6
S
6
0.5
S
6
0.5
S
6
Energy kJ
59
144
144
147
166
169
57
169
22
42
166
55
94
100
100
103
92
26
18
19
Swell 3
Height (m)
Direction
Period (s)
0.6
E
8
0.4
SE
11
0.9
S
7
0.6
SE
7
0.3
SW
6
0.4
SW
6
0.1
NE
5
Energy kJ
51
31
69
44
6
14
1
Wind waves
Height (m)
Direction
Period (s)
1.1
SE
6
1.4
SSE
7
0.8
S
7
0.9
S
7
1.1
S
7
1.5
S
7
1.4
S
7
1.3
S
7
1.1
S
7
1.3
S
7
1.4
S
7
1.5
S
7
1.7
SSW
7
1.4
SSW
7
1.3
SSW
7
0.8
WSW
7
Energy kJ
88
165
56
70
104
206
179
149
110
150
173
210
262
176
134
53
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
2
2
2
2
2
2
3
2
2
2
2
1
2
3
2
2
1
1
2
1
Distance (km)
284
49
39
0
19
18
0
284
284
0
0
0
0
312
630
330
0
0
0
0
0
0
284
326
Best forecast wave conditions in Kyu Shu
Rating
(10 max)
2
2
2
2
2
3
2
3
2
2
4
3
3
2
2
1
Best forecast wave conditions in Japan
Rating
(10 max)
1
2
2
2
2
2
3
2
2
2
3
2
3
2
2
2
4
3
4
3
2
2
2
1
Header Global
Rating
(10 max)
4
4
4
4
5
5
5
5
4
4
4
5
5
4
4
5
5
4
4
5
4
5
5
6
  • 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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