Aoshima Harbour surfForecast / Kyu Shu / Japan

information circle48hr Weather and Surf, issued 8 pm Thursday 23 Apr 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 normal for this time of year)

How big are the waves at Aoshima Harbour today?

The current surf forecast for Aoshima Harbour at 4AM is: 0.8m 7s primary swell from a South direction and 0.5m 10s secondary swell from a East direction, 0.7m 6s secondary swell from a Northeast direction (forecast issued at 08:00pm April 23). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (24 Apr)3ft (0.9m)6s
Afternoon (24 Apr)6ft (1.9m)7s
Evening (24 Apr)7ft (2.1m)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 38mm), heaviest during Sat night. Very mild (max 18°C on Sat night, min 15°C on Fri morning). Winds increasing (light winds from the NNE on Thu night, strong winds from the NNE by Sun afternoon).

Thu
23
Friday
24
Saturday
25
Sunday
26
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
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.2
S
7
1
S
7
1.4
NNE
6
0.8
S
7
0.4
SE
13
0.9
NE
6
0.8
ENE
7
1.9
NE
7
2.2
ENE
8
2.1
ENE
8
2.2
ENE
8
2.2
ENE
8
2.3
ENE
9
2.2
ENE
9
2.2
ENE
8
2.3
E
9
2.3
E
9
2.3
E
9
2.5
E
9
3
E
10
3
E
9
3
E
9
3
E
9
3
E
9
Wave Graph
Metric surfscale
Energy kJ
155
100
137
59
44
60
67
394
560
569
650
694
813
692
660
798
828
859
1148
1527
1464
1303
1275
1367
Wind (km/h)
15
NE
15
NNE
10
NNE
15
NNE
25
NNE
25
NNE
20
NNE
20
NNE
20
NNE
25
NNE
20
NNE
20
NE
15
NNE
25
NE
25
NE
25
NNE
30
NNE
20
NE
25
E
25
ENE
35
ENE
30
NE
40
NNE
40
NNE
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
High Tide
11:57PM1.49m
9:44AM1.46m
1:29AM1.52m
11:46AM1.36m
2:30AM1.60m
1:48PM1.41m
Low Tide
4:15PM0.33m
4:54AM1.23m
5:35PM0.46m
7:12AM1.17m
7:06PM0.52m
8:34AM0.99m
light rain
light rain
light rain
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
cloud
cloud
cloud
cloud
cloud
cloud
mod rain
light rain
light rain
light rain
light rain
mod rain
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:35
5:35
5:33
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:47
6:47
6:49
6:50
2
1
1
1
1
1
1
6
5
2
3
4
6
4
Temp °C
17
16
16
16
16
15
15
15
15
15
15
15
15
16
16
16
16
16
18
18
18
18
17
17
16
15
15
14
12
11
12
12
12
11
12
12
12
12
12
11
12
14
15
15
14
14
11
11
Swell 1
Height (m)
Direction
Period (s)
1.2
S
7
1
S
7
0.9
S
7
0.8
S
7
0.7
S
7
0.7
S
7
0.8
ENE
7
1.3
ENE
7
1.6
ENE
8
1.6
E
8
1.7
E
8
1.8
E
9
1.8
E
9
1.8
E
9
1.9
E
9
2
E
9
2.1
E
9
2
E
9
2.2
E
9
2.5
E
10
2.5
E
10
2.5
E
9
2.5
E
9
2.5
E
9
Energy kJ
155
100
77
59
44
44
67
167
287
341
412
483
487
487
529
595
670
637
810
1146
1134
1075
1029
1029
Swell 2
Height (m)
Direction
Period (s)
0.6
E
10
0.6
E
10
0.7
NE
6
0.5
E
10
0.5
E
10
0.5
E
9
0.6
S
7
0.5
S
6
0.4
SSE
6
0.4
SSE
6
0.3
SSE
6
0.3
SSE
6
0.3
SSE
6
0.2
SSE
6
0.2
S
6
0.2
S
6
Energy kJ
65
65
36
45
44
42
32
22
14
14
8
8
8
4
3
3
Swell 3
Height (m)
Direction
Period (s)
0.4
ESE
13
0.4
ESE
13
0.5
E
10
0.4
SE
13
0.4
SE
13
0.3
ESE
12
0.3
ESE
12
0.3
ESE
12
0.3
ESE
12
0.2
ESE
12
0.1
W
7
0.1
SW
7
0.3
SE
12
0.1
E
15
0.1
SE
14
Energy kJ
67
66
45
42
41
29
28
29
28
14
1
2
22
4
8
Wind waves
Height (m)
Direction
Period (s)
0.6
NE
5
0.8
NE
6
1.4
NNE
6
0.7
NE
6
0.8
NE
6
0.9
NE
6
0.8
NE
6
1.9
NE
7
2.2
ENE
8
2.1
ENE
8
2.2
ENE
8
2.2
ENE
8
2.3
ENE
9
2.2
ENE
9
2.2
ENE
8
2.3
E
9
2.3
E
9
2.3
E
9
2.5
E
9
3
E
10
3
E
9
3
E
9
3
E
9
3
E
9
Energy kJ
18
46
137
35
40
60
43
394
560
569
650
694
813
692
660
798
828
859
1148
1527
1464
1303
1275
1367
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
1
1
1
1
1
2
2
2
2
2
2
2
2
4
3
3
3
4
3
4
2
Distance (km)
39
39
39
39
49
49
39
39
39
39
39
39
39
50
297
39
39
39
284
284
49
297
297
288
Best forecast wave conditions in Kyu Shu
Rating
(10 max)
3
2
1
1
1
1
1
1
2
2
2
2
2
2
2
4
3
4
Best forecast wave conditions in Japan
Rating
(10 max)
3
3
2
3
2
2
1
2
2
2
2
2
2
3
2
2
4
3
3
3
4
3
4
4
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
4
4
4
4
4
4
5
6
7
  • 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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