
Surf Forecasts:
Aja surf forecast from 2 Aug 2026:
- Best quality surf: Thursday 6 Aug, 9AM (local time) - 15ft (4.5m), 18s period, E swell with cross-onshore winds.
- Most powerful swell: Saturday 8 Aug, 12AM (local time) - 34ft (10.5m), 14s period, NNW swell with 39,853 kJ wave energy.
- Next surfable swell (1★+): Thursday 6 Aug, 9AM (local time) - 15ft (4.5m), 18s 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 Thursday (Aug 06) at 9AM. The primary swell is predicted to be 4.5m and 18s period with a secondary swell of 2.0m and 7s. The wind is predicted to be cross-onshore as the swell arrives.
The most powerful waves expected at Aja in the next 16 days are 10.5m 14s and forecast to arrive on Saturday (Aug 08) at 12AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 11.0m 15s period and expected on Sunday (Aug 09) at 12PM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 9AM (Thu 6th Aug) | 15ft (4.5m) 18s |
| Best Surf | 9AM (Thu 6th Aug) | 15ft (4.5m) 18s |
| Most Powerful | 12AM (Sat 8th Aug) | 34ft (10.5m) 14s |
Table - best surf conditions forecast for Aja over the next 16 days.
The Lowdown
Alright, folks, Rusty here. Let’s talk about the surf in this neck of the woods. It’s a bit of a wild ride ahead, and we’ve got a long window to sift through. I’ll break it down for you day by day.
The short version: there’s a big, powerful pulse of swell coming our way, but it’s going to bring some seriously messy, dangerous wind with it. The window for truly clean, rideable waves is tight, and the best of it might be more about managing the chaos than having it all line up perfectly.
Looking at Aja (this setup is a reef break that’s exposed and inconsistent), the first couple of days are a write-off. Monday and Tuesday morning are flat and poor, with gentle cross-onshore breeze and no energy. You’re better off doing something else.
The real action starts on Tuesday afternoon, August 4th. The swell jumps to 5.6ft from the east with a long 17-second period, and the wind turns cross-offshore. The energy reading is in the strong range (1769) and the call is for clean surf. This is the first proper window. It’s not huge, but with that long period and offshore wind, it’s going to be the most user-friendly session of this whole stretch.
Wednesday the 5th has a small pulse in the morning, but the afternoon is where it gets interesting. The swell jumps to 9.8ft from the east, with that long 18-second period. The energy is getting serious (5281). The catch is the wind is cross-shore at 25 km/h, which is going to put some chop on it. It’s surfable for sure, but it’s not going to be glass.
Now, hold on to your board. Thursday the 6th and Friday the 7th are where this swell really peaks. Thursday morning sees 14.8ft on 18-second periods, and by the afternoon it’s 16.4ft. The energy is very strong (15051 and 16765). But the wind is strong cross-onshore at 40-45 km/h. This is big, powerful surf, but it’s going to be messy and challenging. This is expert territory only. The waves are going to be well overhead and the conditions will be rough.
Friday the 7th is a different beast altogether. The wind goes nuclear, dropping the swell to a massive 27.9ft from the NNW in the afternoon, but with a severe gale blowing onshore at 85 km/h. This is not surfing; this is survival. The energy is off the charts (28848). Do not even think about getting in the water. This is for the big-wave chargers with a death wish and a jet ski, and even then, I’d question it. It’s a total shut-down for normal surfing.
The weekend is a washout. Saturday the 8th and Sunday the 9th are under hurricane-force winds and violent storms. The swell is still huge, but the conditions are dangerous and unsurfable. This is the kind of weather that makes you want to stay home and watch the cams.
Things start to settle down on Monday the 10th. The wind drops, and you’ve got a smaller swell in the mix. Monday morning is clean with a 2.0ft east swell and a light cross-offshore breeze. But by the afternoon, a new 9.8ft west swell shows up with gale-force cross-shore winds. That’s a no-go, back to messy.
Tuesday the 11th offers another chance. You have 5.2ft to 4.9ft of west swell and a cross-offshore breeze all day. The energy is moderate (963-776). This will be clean and rideable, a far cry from the chaos of the weekend. It’s not going to be epic, but after the storm, it will feel like a gift.
Wednesday the 12th sees the swell drop to a clean 3.3ft from the west in the morning with light winds. It’s surfable, but small and weak, the energy is low (181). The afternoon gets a little bump from the east, but it’s not much better.
From Thursday the 13th onwards, it’s all downhill. The surf drops off significantly, and we’re looking at poor, choppy conditions with small, weak swells for the rest of the window. There’s no more juice in the tank. The energy is all weak, under 300, and the waves are just not going to have any push. It looks like a classic, flat run to end the forecast.
So, what’s the call? If you’re an expert, the Thursday/Friday window is the big show, but it’s perilously windy. For everyone else, the standout windows are Tuesday afternoon and Wednesday afternoon for some bigger, albeit choppier, waves, and Tuesday the 11th for the clean, user-friendly stuff after the storm has passed. The long periods mean the swell is best at a reef like this, but the winds are not cooperating. It’s a classic case of a lot of swell, but not many good waves on offer.
This is a stretch where the reefs are going to be handling a lot of west-northwest energy. If the winds don't cooperate, this could get more interesting for a kite surfer than a paddle surfer on the beach breaks, but at Aja, it’s still all about the reef.
It can
Short Range ForecastModerate rain (total 11mm), heaviest on Tue afternoon. Warm (max 31°C on Tue morning, min 28°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 307mm), heaviest during Sat morning. Warm (max 30°C on Thu morning, min 28°C on Wed night). Winds increasing (moderate winds from the NNE on Wed night, extremely windy from the NW by Sat afternoon). | ||||||||||||||||||
Monday 3 | Tuesday 4 | Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | ||||||||||||||
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) | ESE 16 | E 8 | WNW 7 | N 4 | E 17 | E 17 | E 17 | NE 5 | E 18 | E 18 | E 18 | E 18 | E 18 | E 18 | NNW 12 | NNW 14 | NW 12 | WNW 11 | NW 12 |
Wave Graph | |||||||||||||||||||
0 | 5 | 5 | 10 | 1359 | 1769 | 0 | 25 | 5281 | 11097 | 14669 | 15939 | 18270 | 13649 | 21529 | 39853 | 10840 | 5810 | 1805 | |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on |
High Tide | 9:44PM2.05m | 9:38AM2.01m | 10:13PM2.03m | 10:23AM1.90m | 10:45PM2.00m | 11:18AM1.77m | 11:23PM1.95m | 12:31PM1.64m | 00:13AM1.90m | 2:16PM1.59m | 1:26AM1.87m | 4:11PM1.67m | 2:56AM1.90m | ||||||
Low Tide | 3:46AM0.71m | 3:54PM0.51m | 4:27AM0.69m | 4:27PM0.68m | 5:16AM0.68m | 5:06PM0.88m | 6:15AM0.68m | 5:55PM1.09m | 7:32AM0.67m | 7:13PM1.26m | 9:00AM0.60m | 9:06PM1.34m | |||||||
— | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | |
7:15 | — | 7:15 | — | — | 7:14 | — | — | 7:14 | — | — | 7:13 | — | — | 7:12 | — | — | 7:10 | — | |
mm | 1 | — | — | 2 | — | 3 | 3 | — | 2 | 1 | — | — | 7 | 12 | 14 | 66 | 109 | 98 | 115 |
Temp °C | 29 | 30 | 30 | 29 | 31 | 30 | 28 | 30 | 31 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 30 |
Feels °C | 32 | 32 | 32 | 32 | 34 | 32 | 31 | 32 | 33 | 31 | 29 | 28 | 25 | 22 | 21 | 19 | 16 | 13 | 23 |
Swell 1 Height (m) Direction Period (s) | ESE 16 | ESE 15 | ESE 16 | ESE 16 | E 17 | E 17 | E 17 | ESE 18 | E 18 | E 18 | E 18 | E 18 | E 18 | E 18 | ENE 16 | ENE 14 | E 12 | NNE 12 | NW 12 |
357 | 392 | 636 | 793 | 1359 | 1769 | 2470 | 3734 | 5281 | 11097 | 14669 | 15939 | 18270 | 13649 | 7319 | 3562 | 690 | 934 | 1805 | |
Swell 2 Height (m) Direction Period (s) | ESE 8 | E 8 | SSE 7 | S 7 | SSE 8 | SSE 8 | SE 8 | SSE 8 | — | — | — | — | — | — | — | — | NNE 17 | E 11 | NNE 12 |
14 | 5 | 5 | 4 | 12 | 25 | 14 | 11 | — | — | — | — | — | — | — | — | 307 | 739 | 347 | |
Swell 3 Height (m) Direction Period (s) | SE 9 | SSE 9 | SE 14 | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | SSE 13 | S 10 | NNE 16 |
13 | 8 | 8 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 60 | 452 | 223 | |
Wind waves Height (m) Direction Period (s) | — | NNE 3 | WNW 7 | N 4 | SE 8 | — | SE 8 | NE 5 | ESE 7 | — | N 7 | N 8 | N 9 | NNW 11 | NNW 12 | NNW 14 | NW 12 | WNW 11 | SW 12 |
— | 4 | 5 | 10 | 21 | — | 20 | 25 | 30 | — | 382 | 826 | 2581 | 8735 | 21529 | 39853 | 10840 | 5810 | 12348 | |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 17 | 49 | 17 | 53 | 15 | 15 | 17 | 17 | 719 | 598 | 761 | 719 | 598 | 1306 | 719 | 719 | 755 | 719 | 86 |
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.











