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Aja surfForecast / Okinawa / Japan
12 Day Weather and Surf, issued 2 pm Wednesday 10 Dec 2025 JSTForecast 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
24.9° C
(Which is slightly warmer than usual)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 Saturday (Dec 13) at 3AM. The primary swell is predicted to be 1.0m and 8s period with a secondary swell of 0.2m and 12s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Aja in the next 12 days are 2.5m 9s and forecast to arrive on Sunday (Dec 14) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Saturday (Dec 13) at 6AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sat 13th Dec) | 3.5ft (1.0m) 8s |
| Best Surf | 3AM (Sat 13th Dec) | 3.5ft (1.0m) 8s |
| Most Powerful | 12PM (Sun 14th Dec) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Aja over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Moderate rain (total 15mm), heaviest on Thu afternoon. Warm (max 23°C on Thu morning, min 20°C on Fri afternoon). Winds decreasing (fresh winds from the NNE on Thu night, calm by Fri night). | Days 3-6 Weather Summary Some drizzle, heaviest during Sat afternoon. Warm (max 22°C on Sat afternoon, min 17°C on Sun morning). Winds decreasing (strong winds from the NNW on Sat night, light winds from the ENE by Tue morning). | ||||||||||||||||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 8 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 7 | 8 | 9 | 9 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 173 | 20 | 11 | 6 | 171 | 412 | 450 | 171 | 101 | 173 | 328 | 973 | 1060 | 632 | 380 | 257 | 99 | 54 | 37 | 14 | 7 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | cross | cross- on | cross | cross | cross | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross- off | cross- off | cross- off | cross- off | ||
High Tide / height (m) | 10:49PM 1.62 | 12:35PM 1.58 | 12:01AM 1.46 | 1:30PM 1.56 | 1:30AM 1.36 | 2:22PM 1.58 | 3:01AM 1.34 | 3:08PM 1.61 | 4:17AM 1.39 | 3:51PM 1.64 | 5:16AM 1.47 | 4:30PM 1.68 | 6:03AM 1.55 | ||||||||||
Low Tide / height (m) | 5:16PM 0.96 | 5:41AM 0.38 | 6:31PM 0.94 | 6:36AM 0.55 | 7:53PM 0.85 | 7:37AM 0.70 | 9:05PM 0.72 | 8:42AM 0.79 | 10:02PM 0.57 | 9:43AM 0.85 | 10:47PM 0.42 | 10:37AM 0.87 | 11:27PM 0.30 | 11:23AM 0.88 | |||||||||
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||||||
| Sunrise | - | - | 7:05 | - | - | 7:05 | - | - | 7:07 | - | - | 7:07 | - | - | 7:07 | - | - | 7:09 | - | - | 7:09 | ||
| Sunset | 5:37 | - | - | 5:37 | - | - | 5:37 | - | - | 5:37 | - | - | 5:38 | - | - | 5:38 | - | - | 5:38 | - | - | ||
 |  |  | | | |  | | | |  |  | |  |  | | | | | | | |||
Rain (mm) | - | 1 | 2 | 5 | 2 | 1 | 1 | 2 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | ||
| Temp. °C | 22 | 22 | 23 | 22 | 21 | 21 | 21 | 21 | 22 | 22 | 21 | 18 | 17 | 17 | 18 | 18 | 18 | 19 | 20 | 20 | 20 | ||
| Feels °C (?) | 19 | 20 | 22 | 21 | 18 | 17 | 17 | 20 | 22 | 21 | 17 | 11 | 9 | 10 | 11 | 12 | 13 | 15 | 17 | 18 | 15 | ||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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.
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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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