Aja Surf Break

Lat Long: 26.22° N 127.66° E

Aja Surf Forecast and Surf Report

Issued: 8 am 16 Aug 2026 (local time)

Forecast update in  hr  min

Today's Aja sea temperature is
28.5° C
0.4° 

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


Aja surf forecast from 16 Aug 2026:

  • Best quality surf: Monday 17 Aug, 12AM (local time) - 1.5ft (0.5m), 10s period, E swell with offshore winds.
  • Most powerful swell: Wednesday 19 Aug, 6AM (local time) - 7ft (2.1m), 8s period, E swell with 572 kJ wave energy.
  • Next surfable swell (1★+): Monday 17 Aug, 12AM (local time) - 1.5ft (0.5m), 10s period with E swell.

Best Forecast Surf Conditions for Aja this week:

The surf forecast for Aja over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 17) at 12AM. The primary swell is predicted to be 0.5m and 10s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Aja in the next 16 days are 2.1m 8s and forecast to arrive on Wednesday (Aug 19) 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 3.0m 9s period and expected on Thursday (Aug 20) at 12AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 17th Aug)1.5ft (0.5m) 10s
Best Surf12AM (Mon 17th Aug)1.5ft (0.5m) 10s
Most Powerful 6AM (Wed 19th Aug)7ft (2.1m) 8s

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


The Lowdown

Alright, Rusty here. I'm gonna be straight with you. The next week and a half at Aja is a total dud. The wind is all over the place, and the swell is either flat or just a weak, messy bump. You'll be waiting until near the end of August to see anything worth waxing up for.

There's a little glimmer on the morning of Saturday the 29th, but the real beauty, the one you want to save your energy for, is Monday the 31st. The whole pattern shifts and gives us a proper reward.

From the 16th through the 25th, it's just tiny, weak surf. The water is a warm 83°F, which is normal for the season, but that's the only good news. You're looking at flat spells.

The 27th of August finally brings some size, with a 10-foot east swell hitting in the afternoon. The energy is massive, but a cross-onshore wind chops it all to pieces. That's a kiteboarder's day, not a surfer's. The 28th is the same story: a 8-foot east swell, but the wind ruins it.

The first real surfable day is Saturday the 29th. The morning is your shot. A clean 5-foot east-northeast swell with a long 14-second period. The wind is almost glassy at 5 mph from the east-northeast, a nice cross-off. The energy is solid. It's a good morning.

But the session to wait for is Monday the 31st, specifically the afternoon. A 5-foot east-southeast swell with that same 14-second period, and the energy is pumping. The wind stays light and cross-off from the east-northeast at 15 mph. For a reef like Aja, this long-period groundswell is going to be a thing of beauty. It'll be clean, powerful, and make you work for the best ones. If you're experienced, this is the one.

So, the first two weeks are a write-off. Mark your calendar for the 29th, but the real date is the afternoon of the 31st. That's the winner.

Rusty.

Short Range Forecast

Light rain (total 6mm), mostly falling on Tue night. Warm (max 29°C on Sun morning, min 27°C on Sun night). Winds increasing (light winds from the ESE on Sun morning, fresh winds from the E by Tue night).

Days 4-6 Weather Summary

Heavy rain (total 63mm), heaviest during Thu night. Warm (max 29°C on Fri morning, min 27°C on Wed morning). Winds decreasing (fresh winds from the SSE on Thu afternoon, light winds from the S by Fri night).

Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.5
E
10
0.5
E
10
0.5
E
10
0.6
E
10
0.6
E
10
0.5
E
10
0.4
E
10
1.4
E
6
1.3
ENE
7
1.9
ESE
8
1.7
ESE
8
3
ESE
9
2.3
SE
10
2.2
SSE
10
2.5
SSE
10
0.4
ENE
8
0.4
ENE
8
0.2
ENE
8
0.2
E
9
0.2
E
9
0.3
E
9
Wave Graph
Metric surfscale
Energy kJ
51
51
50
73
71
50
30
0
152
0
0
0
0
0
0
24
26
6
6
6
14
Wind (km/h)
15
ESE
20
ESE
20
ESE
15
E
15
E
20
E
25
E
30
ENE
35
ENE
35
E
35
ESE
25
SE
30
SSE
40
SSE
25
S
25
S
25
S
15
S
20
S
15
S
15
SSE
Wind State
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
9:13AM2.13m
9:37PM2.12m
9:54AM1.97m
10:03PM2.06m
10:37AM1.81m
10:29PM1.99m
11:27AM1.65m
10:59PM1.91m
12:36PM1.52m
11:36PM1.81m
2:40PM1.47m
00:39AM1.71m
4:44PM1.56m
2:33AM1.68m
Low Tide
3:26PM0.48m
3:52AM0.62m
3:55PM0.66m
4:31AM0.64m
4:23PM0.86m
5:13AM0.70m
4:52PM1.04m
6:04AM0.78m
5:27PM1.21m
7:17AM0.86m
6:30PM1.37m
9:01AM0.87m
9:01PM1.43m
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:01
6:01
6:01
6:03
6:03
6:03
6:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:05
7:04
7:02
7:01
7:00
7:00
7:00
 mm
6
7
3
6
5
5
33
4
1
Temp °C
29
29
27
29
29
27
28
28
27
27
28
28
27
27
27
29
29
28
29
30
28
Feels °C
31
31
29
31
32
29
28
28
27
27
29
30
27
26
28
31
30
31
32
34
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 Aja Surf forecast

The above surf forecast table for Aja provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Aja can be found by selecting the local surf guide option on the grey menu. Our Aja 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 (Aja) 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 Aja 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.

Aja is 4 km (2 miles) from the city of Tomigusuku. If you plan a holiday in Okinawa, look for hotels and other accommodation in Tomigusuku. Tomigusuku has rooms for a wide range of budgets as well as car hire and transport links.

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