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Surf Forecasts:

Aja surfForecast / Okinawa / Japan

information circle12 Day Weather and Surf, issued 2 pm Monday 15 Sep 2025 JST
Forecast update in hr  min  s Forecast update imminent
Aja surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Aja sea temperature is
29.8° C
 (Which is 1.5°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Aja this week:

The most powerful waves expected at Aja in the next 12 days are 1.3m 5s and forecast to arrive on Sunday (Sep 21) at 3PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 12s period and expected on Monday (Sep 22) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 3PM (Sun 21st Sep)4.5ft (1.3m) 5s

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

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

Short Range Forecast Mostly dry. Warm (max 30°C on Mon afternoon, min 28°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Fri afternoon. Warm (max 29°C on Thu afternoon, min 27°C on Fri night). Wind will be generally light.

Mon
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
E
0.2
E
0.1
E
0.1
E
0.2
E
0.2
E
0.6
SE
0.2
E
0.4
ESE
0.2
E
0.4
E
0.5
ESE
0.6
ESE
0.4
E
0.3
NNW
0.3
E
0.3
NNW
0.2
NNW
1.3
NE
0.4
N
0.4
N
Period(s) (?)111113141313613912881097976566
Wave
Graph
(?)Metric surfscale
Energy kJ (?)99441414013012210024111394831111
Wind
(km/h)
15
ESE
15
ESE
15
ESE
15
ESE
15
SE
15
ESE
15
SE
15
ESE
15
E
15
ESE
15
ESE
15
SE
15
ESE
10
SE
15
ESE
10
ESE
15
ENE
20
ENE
20
ENE
20
NE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		offoffoffcross-
off		cross-
off		offcross-
off		offoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		crosscross
High Tide
/ height (m)
12:50AM
1.76
4:22PM
1.69
2:53AM
1.76
5:16PM
1.81
4:17AM
1.86
5:52PM
1.92
5:15AM
1.98
6:21PM
2.00
5:59AM
2.08
6:46PM
2.06
6:38AM
2.13
7:09PM
2.10
7:13AM
2.15
Low Tide
/ height (m)
7:01PM
1.41
8:44AM
0.66
9:33PM
1.38
10:10AM
0.60
10:49PM
1.22
11:09AM
0.51
11:35PM
1.05
11:52AM
0.44
12:11AM
0.87
12:28PM
0.40
12:42AM
0.72
12:58PM
0.40
1:12AM
0.59
Mon
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Sunrise--6:13--6:15--6:15--6:16--6:16--6:16--6:16
Sunset6:34--6:32--6:31--6:30--6:30--6:29--6:28--
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
part cloud
clear
clear
clear
clear
thunderstorm
thunderstorm
Rain (mm)
---------1--32-----13
Temp. °C302929302829292829292829292829292829292828
Feels °C (?)333232333132323132313132323132323131303028
  • 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

Eyeball surf reportRecent Eyeball Surf Reports for Okinawa

  1. weather stationWind Update The wind is still cross-off at Aja (light winds from the E at Naha 3 km from Aja). 0.1m 11s groundswell from the E to make surfable waves.

    2 hours 3 minutes ago Aja
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<
>
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2 h 3 min ago

19 km/h
E
Cross-Off
Please reload the page to see if there are any updates.

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Aja surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Aja at:
surf-forecast.com

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 12 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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