Aoshima Harbour surfForecast / Kyu Shu / Japan

information circle48hr Weather and Surf, issued 2 am Tuesday 12 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
21.6° C
(Which is 1.0°C colder than average for this time of year)

How big are the waves at Aoshima Harbour today?

The current surf forecast for Aoshima Harbour at 5AM is: 1.1m 9s primary swell from a East-southeast direction and 0.1m 11s secondary swell from a South direction (forecast issued at 02:00am May 12). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (12 May)3.5ft (1.1m)9s
Afternoon (12 May)4.5ft (1.3m)9s
Evening (12 May)5ft (1.5m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 3mm), mostly falling on Tue night. Warm (max 21°C on Tue morning, min 17°C on Tue night). Wind will be generally light.

Tuesday
12
Wednesday
13
Thursday
14
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)
2
2
1
1
0
0
1
2
2
2
1
1
1
1
2
2
2
2
2
0
0
0
1
1
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.2
ESE
9
1.1
ESE
9
1.1
ESE
9
1.1
ESE
9
1.2
ESE
9
1.3
ESE
9
1.4
ESE
9
1.5
ESE
10
1.5
ESE
9
1.5
ESE
9
1.5
ESE
9
1.4
ESE
9
1.4
ESE
9
1.3
ESE
9
1.3
ESE
9
1.2
ESE
9
1.1
ESE
9
1.1
ESE
9
1.1
E
9
1
E
9
1.1
E
9
1.1
E
9
1.1
E
10
1.1
E
10
Wave Graph
Metric surfscale
Energy kJ
221
207
207
203
232
274
329
391
383
383
375
307
307
260
260
248
211
211
203
169
207
217
221
226
Wind (km/h)
5
ENE
5
NNW
10
NNW
10
NNE
15
ENE
15
E
5
SE
0
WSW
10
WNW
5
NW
10
NNW
5
NNE
10
ENE
5
ESE
5
SE
5
WNW
5
NW
10
NW
5
NW
5
NE
15
ENE
15
ENE
10
ENE
10
N
glassy
glassy
cross
cross-on
on
cross-on
cross-on
glassy
cross-off
glassy
cross
cross-on
on
cross-on
glassy
glassy
glassy
cross-off
cross-off
on
on
on
on
cross
High Tide
2:56AM1.74m
3:24PM1.62m
3:31AM1.81m
4:16PM1.75m
4:03AM1.87m
5:02PM1.86m
Low Tide
9:19AM0.64m
9:20PM0.66m
9:57AM0.43m
10:06PM0.69m
10:34AM0.24m
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
light rain
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:20
5:18
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:00
7:01
7:01
1
2
Temp °C
19
18
17
19
21
21
21
20
18
17
17
19
20
20
21
20
19
18
18
20
21
21
21
21
19
18
16
18
19
19
21
21
18
17
17
19
19
20
22
21
20
18
18
20
20
20
21
22
Swell 1
Height (m)
Direction
Period (s)
1.2
ESE
9
1.1
ESE
9
1.1
ESE
9
1.1
ESE
9
1.2
ESE
9
1.3
ESE
9
1.4
ESE
9
1.5
ESE
10
1.5
ESE
9
1.5
ESE
9
1.5
ESE
9
1.4
ESE
9
1.4
ESE
9
1.3
ESE
9
1.3
ESE
9
1.2
ESE
9
1.1
ESE
9
1.1
ESE
9
1.1
E
9
1
E
9
1.1
E
9
1.1
E
9
1.1
E
10
1.1
E
10
Energy kJ
221
207
207
203
232
274
329
391
383
383
375
307
307
260
260
248
211
211
203
169
207
217
221
226
Swell 2
Height (m)
Direction
Period (s)
0.1
S
11
0.1
S
11
0.1
S
10
0.1
S
10
0.1
S
11
0.1
S
11
0.1
S
8
0.1
S
8
0.1
S
8
0.1
SE
8
0.2
SSE
8
0.2
SSE
8
0.2
SSE
8
0.2
SSE
8
0.1
S
8
0.2
SSE
8
0.2
SSE
8
0.2
SSE
8
0.2
SSE
7
0.2
SSE
7
0.2
SSE
7
0.2
SSE
7
0.2
SSE
7
Energy kJ
2
2
2
2
2
2
1
1
1
3
6
6
6
6
1
6
6
6
5
5
5
5
5
Swell 3
Height (m)
Direction
Period (s)
0.1
S
11
0.1
S
10
0.1
S
10
0.1
S
10
0.1
S
10
Energy kJ
2
2
2
2
2
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Distance (km)
0
0
3
19
49
330
49
0
0
0
3
19
49
49
0
0
0
0
0
39
49
284
49
19
Best forecast wave conditions in Kyu Shu
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Best forecast wave conditions in Japan
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
2
2
2
2
2
Header Global
Rating
(10 max)
5
5
9
9
9
5
5
6
9
9
9
8
5
8
8
6
6
9
9
8
9
5
5
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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