Aoshima Harbour Surf Break

Lat Long: 31.80° N 131.47° E

Aoshima Harbour 48 hour detailed Surf Forecast

Issued: 2 am 04 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aoshima Harbour sea temperature is
29.3° C
0.8° 

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 (04 Aug):

  • Morning surf: Morning surf (04 Aug, local time) - 8ft (2.5m), 17s period with E swell.
  • Afternoon surf: Afternoon surf (04 Aug, local time) - 10ft (3.0m), 17s period with ESE swell.
  • Evening surf: Evening surf (04 Aug, local time) - 10ft (3.0m), 17s period with E swell.

The current surf forecast for Aoshima Harbour at 5AM is: 2.4m 17s primary swell from a East-southeast direction and 1.2m 8s secondary swell from a East-northeast direction (forecast issued at 02:00am August 04). The wind direction is predicted to be cross-onshore.

Time (JST) & DateWave HeightWave Period
Morning (04 Aug)8ft (2.5m)17s
Afternoon (04 Aug)10ft (3.0m)17s
Evening (04 Aug)10ft (3.0m)17s

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


Short Range Forecast

Heavy rain (total 47mm), heaviest during Thu morning. Warm (max 28°C on Tue morning, min 27°C on Tue night). Winds increasing (light winds from the NE on Tue morning, strong winds from the NE by Thu morning).

Tuesday
4
Wednesday
5
Thursday
6
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)
2
2
2
0
2
0
!
!
!
0
0
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)
2.2
ESE
17
2.4
ESE
17
2.5
ESE
17
2.5
E
17
2.5
E
17
3
ESE
17
3
E
17
3
E
17
3.5
ESE
16
3.5
ESE
17
4
ESE
17
4
ESE
16
4.5
ESE
16
4.5
ESE
16
5
ESE
17
5.5
ESE
17
5.5
ESE
17
5.5
ESE
16
6
ESE
16
8
ESE
16
6.5
ESE
16
8
ESE
16
7
SE
16
7
ESE
16
Wave Graph
Metric surfscale
Energy kJ
2548
3214
3527
3770
3879
4757
5493
5367
5659
6592
8120
8244
10029
11797
14223
16014
17554
16884
18566
31560
24011
33013
24829
24747
Wind (km/h)
15
N
15
NNE
20
NNE
20
NNE
20
NE
20
ENE
20
ENE
20
NE
20
NE
25
NE
25
NE
30
NE
30
NE
30
NE
30
NE
35
NE
40
NE
45
NE
45
NE
50
NE
50
NE
45
ENE
45
ENE
45
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
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
on
on
on
on
on
High Tide
9:20PM2.04m
9:43AM1.82m
9:51PM1.98m
10:45AM1.67m
10:27PM1.91m
12:18PM1.56m
Low Tide
3:38AM0.72m
3:36PM0.86m
4:29AM0.72m
4:14PM1.07m
5:33AM0.72m
5:04PM1.28m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
clear
part cloud
rain showers
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:31
5:31
5:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:08
7:07
7:07
 mm
1
2
2
3
3
2
1
1
1
2
1
2
1
1
1
3
5
5
2
2
3
Temp °C
28
28
27
28
28
28
28
27
27
27
27
28
28
28
28
28
27
27
27
27
28
28
28
28
Feels °C
32
31
30
30
31
30
30
29
29
28
28
28
28
28
28
28
25
24
24
24
26
26
26
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 

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