
Surf Forecasts:
Aja surf forecast from 17 Jul 2026:
- Best quality surf: Sunday 19 Jul, 3AM (local time) - 1.5ft (0.5m), 8s period, W swell with cross-offshore winds.
- Most powerful swell: Thursday 23 Jul, 12AM (local time) - 2ft (0.6m), 11s period, E swell with 84 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 3AM (local time) - 1.5ft (0.5m), 8s period with W 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 0.5m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Aja in the next 16 days are 0.6m 11s and forecast to arrive on Thursday (Jul 23) at 12AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 9s period and expected on Friday (Jul 17) at 3PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 3AM (Sun 19th Jul) | 1.5ft (0.5m) 8s |
| Best Surf | 3AM (Sun 19th Jul) | 1.5ft (0.5m) 8s |
| Most Powerful | 12AM (Thu 23rd Jul) | 2ft (0.6m) 11s |
Table - best surf conditions forecast for Aja over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on the table for our local stretch.
Honestly, it's a bit of a flat and quiet spell ahead. The first good chunk of this outlook is a write-off, with tiny waves and poor conditions. We're looking at a long gap from now until the morning of Thursday, July 23rd. After that, things finally show a pulse, but it's not going to be anything to write home about for a while.
The water at Aja is running at 80°, which is a solid 4° colder than usual for this time of year. That's a notable chill, so you'll want a decent steamer.
We start seeing a slight glimmer of hope on the morning of Thursday, July 23rd. The swell is a tiny 2 ft from the East, with a period of 10 seconds. The wind goes glassy in the morning, then light offshore in the arvo. The energy is weak (55). It's surfable, but just barely. The whole run from here on out is pretty marginal.
The best of this pretty average bunch looks like the morning of Saturday, July 25th. The swell is still small at 1 ft from the East, but the wind is a clean offshore from the ENE at 12 mph. The wave energy is very weak (15). It's a longboard-only sort of day, but the clean conditions will make it feel better than it looks.
On Monday, July 27th, a pulse of energy arrives. The swell jumps to 5 ft from the North, but there's a strong 28 mph offshore wind with a risk of thunderstorms. The energy is moderate (141). It's going to be a battle to get out, but those waves will be standing up on the reef. Later that arvo, the wind goes violent storm force at 65 mph and the swell jumps to 8 ft from the East with a period of 13 seconds, pumping out a massive 2843 energy reading. That's not for paddling, mate. That's survival. The entire week two period is a mix of messy, blown-out, or dangerous conditions. The wind is just too strong for any quality surfing.
So, the summary is simple: there's nothing here that's a standout. The best you'll get is a clean, tiny wave on the 25th, or a battle with the wind and a big, messy swell on the 27th. For the rest, it's a waiting game. It's a tough run for Aja.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Sun morning, min 27°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 30°C on Mon afternoon, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | |||||||||||||||||||||
Wave Height (m) Direction Period (s) | E 10 | E 10 | W 6 | W 9 | W 7 | E 10 | W 7 | W 7 | W 7 | W 8 | E 9 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 11 | E 10 | E 10 | E 10 |
Wave Graph | |||||||||||||||||||||
16 | 16 | 21 | 39 | 25 | 17 | 26 | 23 | 14 | 18 | 28 | 29 | 27 | 26 | 26 | 26 | 26 | 84 | 55 | 51 | 51 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | off | cross | cross | cross-off | cross-off | cross | glassy | cross-off | glassy | glassy | glassy | cross-off | cross-off |
High Tide | 9:54PM2.07m | 9:32AM2.10m | 10:29PM2.02m | 10:20AM1.95m | 11:02PM1.97m | 11:12AM1.78m | 11:36PM1.92m | 12:12PM1.62m | 00:12AM1.86m | 1:29PM1.52m | 00:57AM1.81m | 3:10PM1.49m | 1:57AM1.76m | ||||||||
Low Tide | 3:25PM0.15m | 3:42AM0.83m | 4:04PM0.33m | 4:29AM0.81m | 4:39PM0.53m | 5:18AM0.80m | 5:15PM0.74m | 6:11AM0.80m | 5:52PM0.94m | 7:12AM0.81m | 6:37PM1.12m | 8:24AM0.79m | 7:46PM1.26m | ||||||||
5:47 | — | — | 5:47 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | |
— | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:21 | — | — | 7:21 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 29 | 29 | 28 | 30 | 30 | 29 | 29 | 30 | 29 | 29 | 29 | 27 | 29 | 29 | 27 | 28 | 29 | 27 |
Feels °C | 31 | 30 | 32 | 33 | 33 | 33 | 35 | 34 | 34 | 33 | 34 | 33 | 32 | 32 | 32 | 33 | 33 | 31 | 32 | 33 | 31 |
Swell 1 Height (m) Direction Period (s) | E 10 | WNW 6 | W 6 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | E 9 | E 9 | E 9 | E 11 | E 10 | E 10 | E 10 |
16 | 13 | 21 | 51 | 51 | 60 | 71 | 73 | 44 | 45 | 43 | 39 | 30 | 23 | 26 | 26 | 26 | 84 | 55 | 51 | 51 | |
Swell 2 Height (m) Direction Period (s) | SSE 9 | E 10 | E 10 | W 9 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 7 | E 10 | E 9 | E 9 | SW 7 | SW 7 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 |
9 | 16 | 17 | 39 | 25 | 15 | 26 | 23 | 14 | 18 | 15 | 29 | 27 | 26 | 17 | 12 | 10 | 5 | 8 | 7 | 8 | |
Swell 3 Height (m) Direction Period (s) | W 8 | SE 9 | SE 9 | SE 8 | E 9 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | W 6 | W 6 | S 7 | S 7 | S 7 | ENE 12 | SW 7 | SE 10 | S 7 | S 7 |
5 | 14 | 13 | 11 | 16 | 17 | 16 | 15 | 14 | 15 | 28 | 7 | 3 | 4 | 4 | 4 | 15 | 2 | 15 | 4 | 4 | |
Wind waves Height (m) Direction Period (s) | WSW 9 | SW 9 | SW 8 | — | — | — | — | — | — | SW 7 | — | — | — | — | — | — | — | — | — | — | — |
138 | 93 | 66 | — | — | — | — | — | — | 77 | — | — | — | — | — | — | — | — | — | — | — | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 717 | 684 | 93 | 24 | 80 | 27 | 14 | 14 | 14 | 25 | 80 | 24 | 80 | 80 | 17 | 80 | 24 | 0 | 0 | 0 | 0 |
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.










