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Surf Forecasts:

Aoshima Harbour surfForecast / Kyu Shu / Japan

information circle12 Day Weather and Surf, issued 2 pm Thursday 20 Nov 2025 JST
Forecast update in hr  min  s Forecast update imminent
Aoshima Harbour surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aoshima Harbour sea temperature is
24.8° C
 (Which is 1.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Aoshima Harbour this week:

The surf forecast for Aoshima Harbour over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Nov 22) at 9PM. The primary swell is predicted to be 0.5m and 9s period with a secondary swell of 0.3m and 8s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Aoshima Harbour in the next 12 days are 1.0m 9s and forecast to arrive on Tuesday (Nov 25) at 9AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 6s period and expected on Saturday (Nov 22) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 9PM (Sat 22nd Nov)1.5ft (0.5m) 9s
Best Surf 6AM (Tue 25th Nov)3ft (0.9m) 10s
Most Powerful 9AM (Tue 25th Nov)3.5ft (1.0m) 9s

Table - best surf conditions forecast for Aoshima Harbour over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Mostly dry. Very mild (max 18°C on Thu afternoon, min 11°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Mostly dry. Very mild (max 19°C on Mon afternoon, min 9°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the W by Tue afternoon).

Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
1
0
0
1
1
1
1
0
0
0
1
0
1
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.5
ESE
0.5
ESE
0.5
ESE
0.4
ESE
0.4
ESE
0.9
NNE
0.4
ESE
0.5
E
0.5
E
0.6
ESE
0.6
ESE
0.8
ESE
0.9
ESE
0.7
ESE
1
ESE
1
E
0.8
ESE
0.7
ESE
0.7
ESE
0.7
ESE
0.7
ESE
Period(s) (?)889995910101099989999101010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)40394231314227485074659011362181169110909810094
Wind
(km/h)
5
WNW
10
WNW
10
WNW
20
WNW
10
NW
10
NNW
10
E
5
NW
5
NNW
10
ESE
5
NW
5
WNW
10
S
10
W
20
W
35
W
20
WNW
15
NW
10
NNW
10
NW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		crossoncross-
off		crosscross-
on		cross-
off		glasscross-
off		offcross-
off		cross-
off		cross-
off		cross-
off		crosscross-
off		cross
High Tide
/ height (m)
5:22PM
2.03
6:57AM
1.99
5:54PM
2.02
7:39AM
1.96
6:27PM
1.99
8:23AM
1.90
7:02PM
1.93
9:09AM
1.83
7:41PM
1.84
10:00AM
1.77
8:28PM
1.72
10:56AM
1.71
9:30PM
1.58
11:56AM
1.69
Low Tide
/ height (m)
12:10AM
-0.04
12:24PM
0.98
12:47AM
-0.06
1:00PM
1.05
1:25AM
-0.03
1:39PM
1.11
2:06AM
0.05
2:23PM
1.16
2:50AM
0.17
3:17PM
1.19
3:39AM
0.31
4:27PM
1.18
4:37AM
0.47
Thu
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Sunrise--6:46--6:47--6:48--6:48--6:50--6:50--6:52
Sunset5:12--5:12--5:12--5:10--5:10--5:10--5:09--
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
---------------------
Temp. °C181317181414151516171618191717171213151313
Feels °C (?)161014131112131415151617181613969121011
  • 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

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View detailed surf forecast for Aoshima Harbour at:
surf-forecast.com

Information about the Aoshima Harbour Surf forecast

The above surf forecast table for Aoshima Harbour provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Aoshima Harbour can be found by selecting the local surf guide option on the grey menu. Our Aoshima Harbour 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 Harbour) 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 Harbour 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 Harbour is 15 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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