Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 am 17 Oct 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
26.6°C
1.1° 

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 (17 Oct):

  • Morning surf: Morning surf (17 Oct, local time) - 1.5ft (0.5m), 8s period with E swell.
  • Afternoon surf: Afternoon surf (17 Oct, local time) - 2.5ft (0.7m), 5s period with NE swell.
  • Evening surf: Evening surf (17 Oct, local time) - 4.5ft (1.4m), 8s period with E swell.

The current surf forecast for Aoshima Harbour at 2PM is: 0.4m 8s primary swell from a East-southeast direction and 0.3m 7s secondary swell from a East-northeast direction, 0.6m 5s secondary swell from a Northeast direction (forecast issued at 08:00am October 17). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (17 Oct)1.5ft (0.5m)8s
Afternoon (17 Oct)2.5ft (0.7m)5s
Evening (17 Oct)4.5ft (1.4m)8s

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


Short Range Forecast

Moderate rain (total 12mm), heaviest on Sun night. Warm (max 26°C on Mon morning, min 20°C on Sat morning). Wind will be generally light.

Saturday
17
Sunday
18
Monday
19
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
0
0
0
0
0
0
1
2
2
1
2
2
2
2
1
2
2
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)
0.6
E
8
0.5
E
8
0.4
ESE
9
0.7
NE
5
1.1
ENE
7
1.4
E
8
1.3
E
7
1.2
E
7
1.2
E
6
1.2
E
7
1.5
E
7
2
E
8
2.2
E
8
2
E
8
2
ESE
8
1.9
ESE
8
1.8
ESE
8
1.8
ESE
8
1.7
ESE
8
1.6
ESE
8
1.5
ESE
8
1.5
ESE
8
Wave Graph
Metric surfscale
Energy kJ
47
37
25
24
121
222
178
128
119
131
205
470
650
548
521
483
445
445
389
346
306
313
Wind (km/h)
10
N
15
NNE
20
NE
20
NE
15
NE
25
ENE
20
ENE
20
ENE
15
ENE
15
ESE
15
SE
20
SE
20
SE
15
SE
15
SSE
15
S
5
WSW
5
SW
10
S
15
SSE
15
S
10
WSW
Wind State
cross-on
cross-on
on
on
on
on
on
on
on
cross-on
cross-on
cross
cross
cross
cross
cross-off
glassy
glassy
cross-off
cross
cross-off
off
High Tide
10:49AM1.69m
8:55PM1.76m
12:27PM1.65m
10:04PM1.61m
1:59PM1.70m
Low Tide
3:31AM0.41m
3:37PM1.36m
4:35AM0.55m
5:22PM1.42m
6:03AM0.65m
7:45PM1.33m
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:18
—
—
—
—
—
—
—
6:18
—
—
—
—
—
—
—
6:18
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
5:39
—
—
—
—
—
—
—
5:38
—
—
—
—
—
—
—
5:37
—
—
 mm
—
—
—
—
—
—
—
—
—
1
1
1
1
1
1
2
1
1
1
1
—
—
Temp °C
19
20
22
23
23
23
24
24
23
24
24
25
24
24
24
24
24
24
26
26
25
25
Feels °C
19
19
20
21
23
21
22
23
23
25
24
25
24
25
25
26
27
28
29
28
27
28
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Aoshima Harbour surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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