Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 am 01 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
29.9° C
1.5° 

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 (01 Aug):

  • Morning surf: Morning surf (01 Aug, local time) - 1.5ft (0.4m), 9s period with ESE swell.
  • Afternoon surf: Afternoon surf (01 Aug, local time) - 1.5ft (0.4m), 11s period with ESE swell.
  • Evening surf: Evening surf (01 Aug, local time) - 1.5ft (0.4m), 11s period with ESE swell.

The current surf forecast for Aoshima Harbour at 4PM is: 0.4m 11s primary swell from a East-southeast direction and 0.2m 16s secondary swell from a East-southeast direction (forecast issued at 08:00am August 01). The wind direction is predicted to be cross-offshore.

Time (JST) & DateWave HeightWave Period
Morning (01 Aug)1.5ft (0.4m)9s
Afternoon (01 Aug)1.5ft (0.4m)11s
Evening (01 Aug)1.5ft (0.4m)11s

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


Short Range Forecast

Heavy rain (total 22mm), heaviest during Mon night. Warm (max 31°C on Sat morning, min 27°C on Sun night). Wind will be generally light.

Saturday
1
Sunday
2
Monday
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
Rating
(10 max)
0
0
0
0
0
1
1
1
2
2
1
1
2
3
3
3
3
1
1
1
1
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
ESE
9
0.4
ESE
9
0.4
ESE
11
0.4
ESE
11
0.4
ESE
11
0.4
ESE
11
0.4
ESE
11
0.3
ESE
18
0.6
ESE
16
0.6
ESE
16
0.9
ESE
17
0.8
ESE
15
1.1
ESE
16
1.2
ESE
16
1.2
ESE
16
1.2
ESE
15
1.5
ESE
16
1.5
ESE
16
1.6
ESE
16
1.7
ESE
16
1.8
ESE
16
1.9
ESE
16
Wave Graph
Metric surfscale
Energy kJ
17
28
40
40
40
40
47
62
203
211
534
284
628
758
768
666
1038
1038
1318
1428
1596
1818
Wind (km/h)
10
WNW
5
NNW
10
ESE
20
SSE
10
SSE
10
NW
10
WNW
10
W
5
WNW
5
ENE
10
ESE
15
SE
10
SSE
10
SW
5
NW
5
NNW
10
N
20
NNE
20
NE
15
NNE
15
NE
15
NE
Wind State
cross-off
glassy
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
cross
cross
off
glassy
glassy
cross
cross-on
cross-on
cross-on
cross-on
on
High Tide
7:28AM2.14m
8:23PM2.12m
8:09AM2.07m
8:51PM2.09m
8:53AM1.96m
Low Tide
1:56PM0.30m
2:17AM0.78m
2:29PM0.46m
2:55AM0.73m
3:02PM0.65m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
thunderstorm
clear
thunderstorm
cloud
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:30
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:10
7:09
7:08
 mm
1
1
1
3
Temp °C
26
30
31
31
31
29
28
28
28
31
31
31
31
30
29
29
27
29
29
29
29
28
Feels °C
30
34
34
32
35
33
31
32
32
35
34
34
35
34
33
34
30
32
31
32
32
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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