Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 2 am 07 Sep 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
28.8°C
0.7° 

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 (07 Sep):

  • Morning surf: Morning surf (07 Sep, local time) - 8ft (2.5m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (07 Sep, local time) - 6ft (1.8m), 9s period with E swell.
  • Evening surf: Evening surf (07 Sep, local time) - 4.5ft (1.4m), 8s period with ENE swell.

The current surf forecast for Aoshima Harbour at 10AM is: 2.5m 9s primary swell from a East-northeast direction and 2.1m 9s secondary swell from a East direction, 0.5m 10s secondary swell from a South direction (forecast issued at 02:00am September 07). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (07 Sep)8ft (2.5m)9s
Afternoon (07 Sep)6ft (1.8m)9s
Evening (07 Sep)4.5ft (1.4m)8s

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


Short Range Forecast

Moderate rain (total 10mm), heaviest on Wed night. Warm (max 28°C on Wed morning, min 24°C on Wed night). Winds increasing (calm on Wed morning, fresh winds from the NNE by Wed night).

Monday
7
Tuesday
8
Wednesday
9
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
0
0
0
0
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)
3
E
10
3
E
10
2.5
E
9
2.5
ENE
9
2.4
ENE
9
1.8
E
9
1.8
E
8
1.4
ENE
8
1.3
ENE
8
1.3
ENE
8
1.3
ENE
7
1.9
NE
6
1.7
NE
6
1.2
SE
9
1.6
NE
6
1.6
ESE
8
1.5
ESE
8
1.4
ESE
8
1.3
ESE
8
1.2
ESE
8
1.3
ESE
8
1.2
ESE
8
1
ESE
8
0.9
SE
8
Wave Graph
Metric surfscale
Energy kJ
1712
1913
1238
975
887
476
454
221
211
186
158
296
217
215
201
318
299
256
217
179
183
158
120
96
Wind (km/h)
35
NE
25
NNE
25
NNE
25
NNE
25
NNE
30
NE
25
NE
30
NE
30
NNE
25
NNE
25
NNE
25
NNE
20
NNE
25
NNE
20
N
10
WNW
5
W
5
W
5
WNW
5
NE
10
E
15
E
20
NE
30
NNE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
off
glassy
glassy
glassy
cross-on
on
on
cross-on
High Tide
1:41AM1.69m
4:33PM1.87m
3:10AM1.79m
5:01PM1.98m
4:09AM1.94m
5:28PM2.07m
Low Tide
9:04PM1.46m
9:12AM0.56m
10:03PM1.30m
10:06AM0.45m
10:41PM1.12m
10:48AM0.37m
cloud
light rain
light rain
light rain
rain showers
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
light rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
thunderstorm
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:30
6:30
6:29
 mm
2
1
1
1
1
1
1
1
Temp °C
26
25
25
26
27
27
27
27
27
26
26
27
26
27
27
27
26
26
26
28
28
28
27
27
Feels °C
24
25
25
26
27
27
27
27
27
26
26
27
27
28
29
31
30
30
30
33
32
31
28
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 

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