Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 2 am 27 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
28.7°C
0.4° 

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 (27 Aug):

  • Morning surf: Morning surf (27 Aug, local time) - 6.5ft (2.0m), 8s period with SSE swell.
  • Afternoon surf: Afternoon surf (27 Aug, local time) - 5.5ft (1.7m), 8s period with SSE swell.
  • Evening surf: Evening surf (27 Aug, local time) - 5ft (1.5m), 8s period with SSE swell.

The current surf forecast for Aoshima Harbour at 6AM is: 2.2m 8s primary swell from a South-southeast direction and 2.0m 8s secondary swell from a South-southeast direction, 0.6m 12s secondary swell from a East direction (forecast issued at 02:00am August 27). The wind direction is predicted to be cross-shore.

Time (JST) & DateWave HeightWave Period
Morning (27 Aug)6.5ft (2.0m)8s
Afternoon (27 Aug)5.5ft (1.7m)8s
Evening (27 Aug)5ft (1.5m)8s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Thu morning. Warm (max 30°C on Sat afternoon, min 26°C on Thu night). Wind will be generally light.

Thursday
27
Friday
28
Saturday
29
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)
1
2
2
2
1
0
0
2
3
3
3
2
0
0
1
2
2
2
2
1
0
0
1
2
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)
1.7
SE
8
2.2
SSE
9
2.2
SSE
8
2
SSE
8
1.9
SSE
8
1.7
SSE
8
1.7
SSE
8
1.5
SSE
8
1.6
SSE
8
1.6
SSE
8
1.6
SSE
8
1.3
SSE
7
1.3
SSE
7
1.2
SSE
7
1.1
SSE
7
0.9
S
8
0.6
E
13
0.6
E
13
0.6
E
13
0.6
E
12
0.6
E
12
0.6
E
12
0.6
E
12
0.6
E
12
Wave Graph
Metric surfscale
Energy kJ
408
767
715
515
436
356
322
271
314
306
283
193
188
153
127
99
123
119
115
109
106
102
103
102
Wind (km/h)
20
SE
25
SSE
20
SSE
20
S
20
SSE
20
SSE
15
SSE
10
S
15
SSW
10
SSW
5
SSW
10
S
20
SSE
20
SSE
20
S
15
SSW
10
SSW
10
WSW
5
W
5
SSW
15
SE
25
SSE
20
S
10
SW
Wind State
cross
cross
cross
cross-off
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross-off
cross-off
cross-off
off
off
glassy
cross
cross
cross-off
cross-off
High Tide
5:21AM2.13m
6:25PM2.16m
6:01AM2.21m
6:50PM2.18m
6:40AM2.24m
7:14PM2.19m
Low Tide
11:41PM0.97m
11:55AM0.25m
00:12AM0.81m
12:28PM0.27m
00:42AM0.68m
12:59PM0.35m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:45
5:46
5:47
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:44
6:43
 mm
5
2
3
2
1
1
1
Temp °C
27
27
27
28
29
29
28
27
27
27
26
28
29
29
28
27
27
26
26
28
29
30
28
27
Feels °C
30
29
29
31
31
31
31
31
31
32
31
32
31
31
31
31
31
30
30
32
31
31
30
31
  • 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
How to use the Wavefinder 

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