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Surf Forecasts:

Aja surfForecast / Okinawa / Japan

information circle12 Day Weather and Surf, issued 2 pm Sunday 15 Feb 2026 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
21.1° C
 (Which is 1.0°C colder than average for this time of year)

Best Forecast Surf Conditions for Aja this week:

The surf forecast for Aja over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Feb 17) at 3AM. The primary swell is predicted to be 0.3m and 13s period with a secondary swell of 0.4m and 7s. Another secondary swell of 0.5m and 4s is also forecast. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Aja in the next 12 days are 1.6m 9s and forecast to arrive on Tuesday (Feb 17) at 12PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 12s period and expected on Wednesday (Feb 18) at 3AM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Tue 17th Feb)1ft (0.3m) 13s
Best Surf 3AM (Tue 17th Feb)1ft (0.3m) 13s
Most Powerful12PM (Tue 17th Feb)5ft (1.6m) 9s

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 Light rain (total 3mm), mostly falling on Tue morning. Warm (max 21°C on Sun afternoon, min 16°C on Tue morning). Winds increasing (calm on Sun night, fresh winds from the NNW by Wed morning).

Days 3-6 Weather Summary Mostly dry. Very mild (max 18°C on Sat morning, min 14°C on Wed night). Winds decreasing (fresh winds from the N on Wed afternoon, calm by Thu night).

Sun
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.2
W
0.1
E
0.6
ESE
0.1
E
0.2
E
1.3
NNW
1.6
NNW
1.1
NNW
1.1
NNW
1.4
NNW
1.4
N
1
N
0.9
NNW
0.7
N
0.6
E
0.6
E
0.4
NNW
0.4
E
0.4
E
0.2
E
0.5
E
Period(s) (?)616915149888577771110712121512
Wave
Graph
(?)Metric surfscale
Energy kJ (?)250414228333149138102181100824583711544441773
Wind
(km/h)
10
WSW
0
NW
10
NE
10
NE
10
ENE
25
NE
25
NNE
15
NNE
30
NNW
35
N
25
NNE
15
NNE
15
NNE
5
E
5
NW
15
NW
10
ENE
10
ENE
10
E
15
SE
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		glasscrosscrosscross-
off		crosscrosscross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		glassononcross-
off		cross-
off		cross-
off		offoff
High Tide
/ height (m)
5:57PM
1.73
7:18AM
1.71
6:33PM
1.85
7:42AM
1.78
7:09PM
1.93
8:06AM
1.84
7:46PM
1.97
8:32AM
1.87
8:24PM
1.95
8:57AM
1.88
9:04PM
1.88
9:25AM
1.86
9:47PM
1.76
9:54AM
1.82
Low Tide
/ height (m)
12:46AM
0.06
12:50PM
0.66
1:16AM
-0.03
1:21PM
0.52
1:45AM
-0.08
1:53PM
0.39
2:14AM
-0.06
2:27PM
0.28
2:44AM
0.02
3:03PM
0.21
3:15AM
0.15
3:42PM
0.17
3:47AM
0.34
Sun
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise--7:03--7:03--7:03--7:01--7:01--7:00--7:00
Sunset6:21--6:22--6:22--6:22--6:23--6:23--6:24--
clear
clear
part cloud
part cloud
cloud
light rain
part cloud
rain showers
cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
Rain (mm)
-----2-1-------------
Temp. °C212020201816171616151516161616171618181820
Feels °C (?)2122212017131313118912131314141416161617
  • 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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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:
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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 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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