Surf Forecasts:
Aja surf forecast from 12 Jul 2026:
- Best quality surf: Sunday 19 Jul, 3AM (local time) - 2ft (0.6m), 10s period, E swell with glassy winds.
- Most powerful swell: Sunday 19 Jul, 3AM (local time) - 2ft (0.6m), 10s period, E swell with 74 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 3AM (local time) - 2ft (0.6m), 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 Sunday (Jul 19) at 3AM. The primary swell is predicted to be 0.6m and 10s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Aja in the next 16 days are 0.6m 10s and forecast to arrive on Sunday (Jul 19) at 3AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 10s period and expected on Monday (Jul 13) at 12AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 19th Jul) | 2ft (0.6m) 10s |
| Best Surf | 3AM (Sun 19th Jul) | 2ft (0.6m) 10s |
| Most Powerful | 3AM (Sun 19th Jul) | 2ft (0.6m) 10s |
Table - best surf conditions forecast for Aja over the next 16 days.
G’day, I’m Rusty, and I’ve been looking at the numbers for Aja. Let’s be honest – the first week and a half is a total bust. There’s nearly no surf until the 21st of July. The early days have barely a ripple, with poor conditions and energy readings that are just sad (7 to 24). It’s a flat spell, so don’t bother suiting up.
Come Monday morning the 21st of July, there’s a pulse. A 0.9m (3ft) easterly swell starts to show, with a 10-second period and a combined energy of 175 (moderate). The wind is a gentle offshore from the SE, keeping the surface clean. It’s surfable but nothing special – a sign of life. Tuesday the 22nd of July is the real deal. The swell hits 1.2m (4ft) from the east, period still 10 seconds, and the energy jumps to 279 (moderate). That’s a fun, head-high wave. With a gentle offshore breeze, it’ll be clean and lined up. This is the standout of the whole outlook. Wednesday and Thursday the 23rd and 24th of July keep that energy going, with Thursday morning showing a 1.0m (3ft) easterly swell, an 11-second period, and a strong combined energy of 416 (strong). The wind is light and offshore – perfect. The swell direction is E, which is exactly what Aja likes. It’s a reef break that’s inconsistent, so you’ll wait for the sets, but they’ll be worth it. Water temp is about average for the time of year.
After that, it fades again from the 25th of July, dropping back to knee-high mush and poor energy until the end. So, if you want a wave, aim for the 22nd and 23rd of July. That’s your only real window of clean, fun surf. The rest is a waiting game.
- Rusty
Short Range ForecastMostly dry. Warm (max 30°C on Tue afternoon, min 27°C on Tue night). Mainly fresh winds. | Days 5-7 Weather SummaryLight rain (total 4mm), mostly falling on Sat morning. Warm (max 30°C on Fri afternoon, min 28°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sun 19 | |||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | S 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | SW 10 | W 4 | E 10 | SW 9 | E 10 | E 10 | E 10 | E 10 | W 7 | W 6 | W 5 | E 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 7 | 6 | 16 | 15 | 15 | 15 | 15 | 12 | 0 | 6 | 17 | 0 | 16 | 16 | 17 | 31 | 8 | 6 | 2 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | cross-on | cross-on | cross | cross-on | cross | cross | cross-on | cross-on | glassy | glassy | glassy |
High Tide | 5:21AM2.13m | 7:10PM2.02m | 6:16AM2.23m | 7:55PM2.08m | 7:07AM2.29m | 8:37PM2.11m | 7:56AM2.29m | 9:17PM2.10m | 8:44AM2.23m | 9:54PM2.07m | 9:32AM2.10m | 10:29PM2.02m | 10:20AM1.95m | ||||||||
Low Tide | 11:40PM1.13m | 12:23PM0.08m | 00:34AM1.07m | 1:13PM-0.01m | 1:23AM1.00m | 2:00PM-0.03m | 2:10AM0.93m | 2:44PM0.03m | 2:56AM0.87m | 3:25PM0.15m | 3:42AM0.83m | 4:04PM0.33m | 4:29AM0.81m | 4:39PM0.53m | |||||||
 |  | | |  | | | | | | | | | | |  |  | |  | | | |
 | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 | — | — | 5:48 | — |
 | 7:23 | — | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | 2 | — | 3 |
Temp °C | 28 | 29 | 29 | 28 | 29 | 30 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 30 | 28 | 29 | 29 | 28 | 29 | 29 |
Feels °C | 29 | 31 | 31 | 31 | 32 | 34 | 32 | 31 | 32 | 33 | 33 | 31 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 34 | 34 |
Swell 1 Height (m) Direction Period (s) | SW 10 | S 9 | S 9 | S 9 | S 8 | SSW 8 | SW 10 | SW 10 | S 8 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 |
| kJ | 94 | 649 | 459 | 299 | 234 | 123 | 120 | 117 | 28 | 136 | 98 | 94 | 88 | 95 | 78 | 91 | 102 | 98 | 77 | 41 | 42 |
Swell 2 Height (m) Direction Period (s) | W 9 | E 9 | E 9 | E 9 | E 9 | SSE 8 | S 8 | S 7 | SE 11 | S 7 | S 7 | S 7 | ESE 10 | E 10 | E 10 | E 10 | E 10 | E 12 | E 11 | E 10 | E 10 |
| kJ | 43 | 7 | 6 | 16 | 15 | 62 | 57 | 39 | 18 | 27 | 16 | 9 | 31 | 16 | 16 | 17 | 31 | 72 | 57 | 50 | 47 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 13 | SE 9 | SE 12 | SE 12 | E 9 | E 9 | E 9 | E 8 | ESE 10 | ESE 10 | E 10 | S 7 | S 7 | S 7 | WNW 6 | ESE 13 | W 7 | W 6 | W 5 | S 6 |
| kJ | 7 | 7 | 3 | 6 | 6 | 15 | 15 | 15 | 12 | 38 | 19 | 17 | 9 | 4 | 4 | 6 | 34 | 8 | 6 | 2 | 3 |
Wind waves Height (m) Direction Period (s) | S 10 | SSE 9 | SSE 9 | — | — | — | — | — | SW 10 | — | W 4 | W 5 | — | — | — | — | — | — | — | — | — |
| kJ | 1047 | 551 | 359 | — | — | — | — | — | 136 | — | 6 | 7 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 607 | 684 | 624 | 14 | 14 | 93 | 14 | 93 | 590 | 598 | 598 | 702 | 590 | 673 | 590 | 17 | 22 | 10 | 14 | 16 | 17 |
Best forecast wave conditions in Okinawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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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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