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Surf Forecasts:

Aja surfForecast / Okinawa / Japan

information circle12 Day Weather and Surf, issued 2 pm Tuesday 17 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
21.4° C
 (Which is slightly cooler than normal)

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 Thursday (Feb 19) at 6PM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.5m and 10s. Another secondary swell of 0.6m and 10s 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 7s and forecast to arrive on Wednesday (Feb 18) 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 1.4m 7s period and expected on Tuesday (Feb 24) at 12PM.

Wave TypeTime (JST) & Date Wave Height & Period
Next good surf (1 star+) 6PM (Thu 19th Feb)2ft (0.6m) 10s
Best Surf 6PM (Thu 19th Feb)2ft (0.6m) 10s
Most Powerful 9PM (Wed 18th Feb)5ft (1.6m) 7s

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. Very mild (max 17°C on Tue afternoon, min 14°C on Wed afternoon). Winds decreasing (fresh winds from the N on Wed afternoon, calm by Thu night).

Days 3-6 Weather Summary Mostly dry. Warm (max 21°C on Mon morning, min 16°C on Fri afternoon). Wind will be generally light.

Tue
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
1
0
0
0
1
0
1
0
0
0
0
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
NNW
1.4
NNW
1.3
NNW
1.6
NNW
1.4
N
1
NNW
0.9
NNW
0.5
E
0.6
N
0.5
E
0.4
NNW
0.4
E
0.4
E
0.4
E
0.3
E
0.3
E
0.3
E
0.3
E
0.3
E
0.7
NNW
0.8
NNW
Period(s) (?)8887777117106121212131212121288
Wave
Graph
(?)Metric surfscale
Energy kJ (?)346238202245209114845635501344444428282626265490
Wind
(km/h)
25
NNE
20
N
25
N
30
N
20
NNE
15
NNE
10
NNE
5
ENE
5
ENE
5
NNE
10
ESE
15
ESE
15
SE
20
SE
20
SSE
20
SSE
15
SE
15
ESE
15
ESE
15
ESE
15
SE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrossglasscross-
off		cross-
on		cross-
off		cross-
off		offoffoffcross-
off		offcross-
off		cross-
off		offoff
High Tide
/ height (m)
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
10:35PM
1.60
10:27AM
1.75
11:36PM
1.44
11:08AM
1.66
Low Tide
/ height (m)
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
4:25PM
0.19
4:21AM
0.55
5:16PM
0.25
5:00AM
0.77
Tue
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Sunrise--7:03--7:01--7:01--7:00--7:00--6:58--6:58
Sunset6:22--6:22--6:23--6:23--6:24--6:25--6:25--
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
light rain
Rain (mm)
--------------------4
Temp. °C171616151415161516161618181920202021212021
Feels °C (?)1312108911131314141415151617181920201921
  • 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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