Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 8 pm 18 Sep 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
27.8°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 (19 Sep):

  • Morning surf: Morning surf (19 Sep, local time) - 8ft (2.5m), 10s period with E swell.
  • Afternoon surf: Afternoon surf (19 Sep, local time) - 11ft (3.5m), 16s period with E swell.
  • Evening surf: Evening surf (19 Sep, local time) - 11ft (3.5m), 14s period with ESE swell.

The current surf forecast for Aoshima Harbour at 1AM is: 3.0m 10s primary swell from a East direction and 2.5m 10s secondary swell from a East direction, 0.2m 9s secondary swell from a South direction (forecast issued at 08:00pm September 18). The wind direction is predicted to be onshore.

Time (JST) & DateWave HeightWave Period
Morning (19 Sep)8ft (2.5m)10s
Afternoon (19 Sep)11ft (3.5m)16s
Evening (19 Sep)11ft (3.5m)14s

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


Short Range Forecast

Heavy rain (total 40mm), heaviest during Fri night. Warm (max 28°C on Sun afternoon, min 22°C on Sun night). Winds decreasing (fresh winds from the NE on Sat morning, calm by Mon morning).

Fri
18
Saturday
19
Sunday
20
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
!
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
E
9
2.5
E
10
3
E
10
3
E
10
3
E
10
2.5
E
10
2.5
E
10
3.5
E
16
3.5
E
15
3.5
ESE
14
3.5
ESE
14
3.5
ESE
14
3.5
ESE
14
3.5
ESE
14
3.5
ESE
13
3.5
ESE
13
3.5
E
13
3.5
E
13
Wave Graph
Metric surfscale
Energy kJ
958
1155
1742
1631
1631
1155
1227
5983
6093
5241
5025
4606
4667
4360
4059
4243
4419
4072
Wind (km/h)
25
ENE
25
E
25
E
25
ENE
25
NE
30
NE
30
NE
25
NE
20
NNE
15
NNE
10
NNW
10
NNW
10
NNW
10
N
15
NNE
25
NE
25
NNE
15
N
Wind State
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
9:22PM1.85m
1:02PM1.59m
10:18PM1.71m
3:05PM1.69m
Low Tide
3:38PM1.34m
5:05AM0.65m
4:58PM1.49m
6:44AM0.70m
8:10PM1.48m
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:15
6:14
 mm
5
6
12
11
7
3
1
Temp °C
25
25
26
25
25
26
26
26
26
25
24
24
24
26
27
28
27
26
Feels °C
25
25
27
26
25
25
26
26
27
26
26
26
26
28
28
28
27
27
  • 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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