Aoshima surfForecast / Kyu Shu / Japan

information circle16 Day Weather and Surf, issued 8 pm Friday 27 Mar 2026 JST
Forecast update in hr  min  s Forecast update imminent
Aoshima surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aoshima sea temperature is
19.4° C
(Which is slightly cooler than normal)

Best Forecast Surf Conditions for Aoshima this week:

The surf forecast for Aoshima over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Mar 28) at 3AM. The primary swell is predicted to be 1.2m and 10s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Aoshima in the next 16 days are 4.0m 9s and forecast to arrive on Tuesday (Mar 31) at 6AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 6s period and expected on Monday (Mar 30) at 9PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sat 28th Mar)4ft (1.2m) 10s
Best Surf 6AM (Tue 31st Mar)13ft (4.0m) 9s
Most Powerful 6AM (Tue 31st Mar)13ft (4.0m) 9s

Table - best surf conditions forecast for Aoshima over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 13mm), heaviest on Mon afternoon. Warm (max 22°C on Sat afternoon, min 14°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Heavy rain (total 40mm), heaviest during Mon night. Warm (max 22°C on Tue morning, min 13°C on Wed night). Winds decreasing (fresh winds from the SSW on Mon night, calm by Thu morning).

Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Fri
03
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
2
2
0
1
1
0
1
1
0
1
4
3
0
0
0
1
1
0
1
1
0
Swell
Height Map
Wave Height (m) & direction (?)
1.2
E
1.1
E
1
E
0.9
E
0.8
E
0.8
E
0.6
E
0.6
E
0.6
E
2.3
SSE
3
S
2.3
S
1.2
SSE
0.9
SSE
1.1
NE
0.5
SE
0.6
ESE
0.6
ESE
0.6
ESE
0.8
ESE
0.9
E
Period(s) (?)10999910101010799876777888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)266210170137108125696969514153182216575883032334390108
Wind
(km/h)
5
WNW
5
SSW
15
SSW
10
WNW
0
NNE
20
SSE
10
W
5
NE
15
SE
35
SSW
20
SW
10
N
25
NNE
10
N
10
NE
5
NW
5
NW
15
SE
5
NE
5
ENE
20
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
glasscross-
off
cross-
off
glasscrossoffglasscrosscross-
off
offcrosscross-
on
cross-
on
cross-
on
cross-
off
glasscrossglassglasscross
High Tide
/ height (m)
3:36AM
1.52
2:07PM
1.39
4:10AM
1.64
3:23PM
1.54
4:38AM
1.73
4:16PM
1.69
5:04AM
1.81
5:00PM
1.83
5:29AM
1.86
5:40PM
1.92
5:53AM
1.90
6:18PM
1.97
6:17AM
1.93
Low Tide
/ height (m)
9:14AM
1.07
9:07PM
0.33
9:58AM
0.87
9:58PM
0.26
10:31AM
0.67
10:40PM
0.22
11:02AM
0.47
11:16PM
0.21
11:33AM
0.30
11:49PM
0.25
12:03PM
0.15
12:20AM
0.33
12:34PM
0.05
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
01
Thursday
02
Fri
03
Sunrise-6:07--6:07--6:05--6:05--6:03--6:01--6:01-
Sunset--6:30--6:30--6:30--6:31--6:32--6:32--6:34
clear
clear
clear
part cloud
cloud
part cloud
clear
cloud
heavy rain
heavy rain
part cloud
part cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
part cloud
cloud
light rain
Rain (mm)
--------1334---51-----2
Temp. °C162022171719171818202222171415141818171819
Feels °C (?)151718151515151816202122141214111616151716
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Aoshima Surf forecast

The above surf forecast table for Aoshima provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Aoshima can be found by selecting the local surf guide option on the grey menu. Our Aoshima surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Aoshima) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Aoshima may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Aoshima is 14 km (9 miles) from Miyazaki-shi. If you plan a holiday in Kyu Shu, look for hotels and other accommodation in Miyazaki-shi. Miyazaki-shi has rooms for a wide range of budgets as well as car hire and transport links.

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