Aoshima Surf Break

Lat Long: 31.81° N 131.47° E

Aoshima Surf Forecast and Surf Report

Issued: 2 pm 08 Jul 2026 (local time)

Forecast update in  hr  min

Today's Aoshima sea temperature is
25.9° C
1.6° 

Aoshima surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Aoshima surf forecast from 8 Jul 2026:

  • Best quality surf: Monday 13 Jul, 12AM (local time) - 5ft (1.6m), 12s period, SSE swell with cross-offshore winds.
  • Most powerful swell: Friday 10 Jul, 9PM (local time) - 13ft (4.0m), 18s period, SSE swell with 8,893 kJ wave energy.
  • Next surfable swell (1★+): Monday 13 Jul, 12AM (local time) - 5ft (1.6m), 12s period with SSE swell.

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 Monday (Jul 13) at 12AM. The primary swell is predicted to be 1.6m and 12s period with a secondary swell of 0.3m and 10s. 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 18s and forecast to arrive on Friday (Jul 10) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Wednesday (Jul 15) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 13th Jul)5ft (1.6m) 12s
Best Surf12AM (Mon 13th Jul)5ft (1.6m) 12s
Most Powerful 9PM (Fri 10th Jul)13ft (4.0m) 18s

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


Alright folks, Rusty here. Let’s have a look at what’s coming down the pipe for Aoshima over the next couple of weeks. We’ve got a decent run of surf building, but it’s gonna take a few days to really get going.

There’s a bit of a slow start, but things kick into life from Thursday the 10th of July onwards. The standout window is that Friday the 10th of July into Saturday morning, with a solid pulse of swell rolling in. For the most experienced crew, the pick of the fortnight looks to be the Sunday morning of the 19th of July – clean, glassy conditions and a proper size.

Right now, the water temperature is sitting at 79°, which is about 3° cooler than usual for this time of year, so a touch on the chilly side for a summer session.

Wednesday 8th July is a write-off. We’ve got a small, onshore bump with swell at 8ft from the ESE, but the wind is a light cross-onshore and the energy is massive at 3125, but it’s a messy combo. Not worth paddling out.

Thursday 9th July keeps the cross-onshore wind. The swell builds to 10ft from the SE with an enormous 4333 energy, but the wind’s on it or onshore all day. Too lumpy for a good time. Pass.

Friday 10th July is where it starts to get interesting. The morning shows a 12ft swell out of the SSE, with a very long period of 17 seconds. That’s proper groundswell energy, hitting 7403. The wind is onshore from the East, but that period is so long it’ll push through. The afternoon improves with the same size and a massive 8136 energy. This is the first genuine standout. Aoshima is a reef, so that long-period groundswell from the SSE should wrap in nicely. It’s big, over 8ft, so this is for experienced surfers only. Beginners, stay on the beach.

Saturday 11th July – the morning still holds 12ft from the SSE, with 7251 energy, but the onshore wind (12 mph) will put a chop on it. By the afternoon, the size drops to 10ft and the wind goes cross-onshore, making it messier. Still big, still for experts.

Sunday 12th July the swell drops back to 7ft from the SSE, period down to 13 seconds, energy 1436. Light cross-onshore wind. It’s still surfable, but nothing special.

From Monday 13th July through Saturday 18th July, we are in a flat spell. Swell drops under 5ft and most days have poor surf conditions or strong onshore winds. Surfable waves on Tuesday 14th are only 3ft and glassy, but that’s tiny. Not worth suiting up for.

Sunday 19th July – bingo. The morning session is the absolute standout for the second week. We get a clean 8ft from the East with 1055 energy, 9 second period, and glassy conditions. The wind is a light Slight air from the NE, making it dead smooth. This is excellent surf for experienced surfers – that size is pushing the limit for intermediates. The break is fairly consistent, but expect a few other folks out there as crowds are ‘sometimes’ an issue. The ride will be long and clean on this reef break.

The 19th afternoon holds the same size but goes cross-onshore, so go early.

Monday 20th July still has 7ft from the East with over 1000 energy, but onshore wind makes it a downgrade. Tuesday 21st and Wednesday 22nd are smaller and won’t match Sunday.

Thursday 23rd July starts with a glassy 3ft – clean but very small. The window closes out after that.

So to boil it down: if you want the best, hit Friday 10th July for the big, powerful groundswell (experts only), or wait for Sunday morning 19th July for glassy, grunty waves that are a joy to surf. The rest of the two weeks is pretty quiet.

Stay safe, check the tides, and I’ll see you out there.

Rusty

Short Range Forecast

Moderate rain (total 18mm), heaviest on Fri night. Warm (max 27°C on Wed afternoon, min 25°C on Wed night). Wind will be generally light.

Days 5-7 Weather Summary

Light rain (total 7mm), mostly falling on Sat afternoon. Warm (max 28°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light.

Wed
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
3
2
2
3
4
5
7
7
5
4
3
3
3
3
1
0
2
1
0
1
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.4
ESE
16
2.5
SE
15
2.5
SE
15
3
SE
15
3
SE
16
3.5
SSE
17
3.5
SSE
17
4
SSE
17
3.5
SSE
17
3
SSE
16
2.5
SSE
14
2.1
SSE
13
1.8
SSE
12
1.6
SSE
12
1.4
SSE
11
1.1
SSE
10
0.9
SSE
10
0.8
S
9
0.7
S
9
0.6
S
9
0.6
E
10
Wave Graph
Metric surfscale
Energy kJ
3037
2899
3152
3330
4948
7368
8087
8608
7213
5306
2749
1408
970
660
423
265
160
108
81
57
65
Wind (km/h)
10
ESE
10
ENE
15
NE
10
ENE
10
E
15
E
15
E
15
E
20
E
15
ESE
10
ESE
10
E
10
SE
5
SSW
5
SSE
20
SSE
5
WSW
5
ENE
10
SE
5
W
5
ENE
Wind State
cross-on
on
on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross-off
cross
cross
glassy
glassy
cross
off
on
High Tide
00:30AM1.83m
2:40PM1.58m
1:28AM1.83m
4:02PM1.69m
2:28AM1.86m
5:00PM1.82m
3:24AM1.91m
5:45PM1.93m
4:15AM1.98m
6:22PM2.02m
5:02AM2.04m
6:56PM2.07m
5:46AM2.09m
Low Tide
6:13PM1.11m
7:46AM0.66m
7:34PM1.25m
8:52AM0.52m
8:58PM1.31m
9:48AM0.37m
10:05PM1.31m
10:37AM0.23m
10:58PM1.27m
11:20AM0.12m
11:41PM1.21m
12:00PM0.06m
00:21AM1.14m
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:15
5:16
5:16
5:16
5:18
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:22
7:22
7:22
7:22
7:22
7:21
7:21
7:21
 mm
4
2
2
7
3
2
4
1
Temp °C
27
26
26
26
26
26
27
26
26
27
26
27
28
26
28
28
27
28
29
27
28
Feels °C
30
30
28
28
30
29
30
30
29
31
31
31
32
31
30
29
32
33
33
32
32
  • Map Icons:
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  • 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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