Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 am 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
27.9°C
1.2° 

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 (28 Sep):

  • Morning surf: Morning surf (28 Sep, local time) - 1.5ft (0.5m), 14s period with S swell.
  • Afternoon surf: Afternoon surf (28 Sep, local time) - 6ft (1.8m), 13s period with S swell.
  • Evening surf: Evening surf (28 Sep, local time) - 5ft (1.5m), 12s period with S swell.

The current surf forecast for Aoshima Harbour at 1PM is: 1.7m 13s primary swell from a South direction and 0.8m 6s secondary swell from a South-southeast direction, 0.7m 13s secondary swell from a South direction (forecast issued at 08:00am September 28). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (JST) & DateWave HeightWave Period
Morning (28 Sep)1.5ft (0.5m)14s
Afternoon (28 Sep)6ft (1.8m)13s
Evening (28 Sep)5ft (1.5m)12s

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


Short Range Forecast

Light rain (total 7mm), mostly falling on Mon afternoon. Warm (max 30°C on Mon morning, min 22°C on Tue night). Wind will be generally light.

Monday
28
Tuesday
29
Wednesday
30
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
1
4
4
3
1
1
2
2
1
0
0
0
0
0
0
0
0
0
0
1
0
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
S
7
0.5
S
14
1.6
S
13
1.8
S
13
1.2
S
13
1.5
S
12
1.6
SSE
12
1.8
SSE
12
1.7
SSE
11
1.6
SSE
11
1.6
SSE
11
1.5
SSE
10
1.4
SE
10
1.5
SE
10
1.4
SE
10
2.1
NE
7
1.9
ENE
7
1.8
ENE
7
1.7
ENE
7
1.6
ENE
7
1.6
ENE
8
1.1
SE
9
Wave Graph
Metric surfscale
Energy kJ
33
93
888
1121
480
694
781
872
718
608
540
436
400
432
388
452
376
344
294
280
276
186
Wind (km/h)
5
WSW
10
SW
15
S
15
SSW
10
SW
15
N
15
N
10
N
5
N
10
NNE
20
NE
20
NE
20
NNE
25
N
25
NNE
25
NNE
25
N
20
NNE
20
NNE
15
NE
15
NNE
15
N
Wind State
off
off
cross-off
cross-off
off
cross
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
High Tide
7:06AM2.20m
6:55PM2.17m
7:44AM2.13m
7:20PM2.14m
8:25AM2.01m
7:46PM2.08m
Low Tide
1:02PM0.67m
1:19AM0.26m
1:31PM0.82m
1:54AM0.27m
2:01PM0.97m
part cloud
part cloud
clear
part cloud
thunderstorm
thunderstorm
part cloud
cloud
part cloud
cloud
light rain
cloud
cloud
cloud
light rain
light rain
light rain
light rain
cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
—
—
—
—
—
—
—
6:05
—
—
—
—
—
—
—
6:05
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
6:04
—
—
—
—
—
—
—
6:01
—
—
—
—
—
—
—
6:00
—
 mm
—
—
—
—
1
1
—
—
—
—
1
—
—
—
1
1
1
1
—
—
—
—
Temp °C
25
27
30
30
28
26
25
25
25
25
24
23
23
22
22
22
22
23
24
24
24
24
Feels °C
29
31
32
32
32
28
28
29
29
28
24
23
22
21
20
21
21
23
24
25
25
26
  • 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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