Surf Forecasts:
Yonabaru surf forecast from 23 Jul 2026:
- Most powerful swell: Thursday 23 Jul, 9PM (local time) - 1.5ft (0.5m), 10s period, E swell with 50 kJ wave energy.
Best Forecast Surf Conditions for Yonabaru this week:
The most powerful waves expected at Yonabaru in the next 16 days are 0.5m 10s and forecast to arrive on Thursday (Jul 23) 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 1.1m 9s period and expected on Saturday (Jul 25) at 6AM.
| Wave Type | Time (JST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 9PM (Thu 23rd Jul) | 1.5ft (0.5m) 10s |
Table - best surf conditions forecast for Yonabaru over the next 16 days.
The Lowdown
Alright crew, Rusty here. Let’s break down what’s coming.
We’ve got a long, quiet stretch to start. The first real chance to surf comes on the morning of Tuesday, 4 August, but before that we’re looking at about 10 days of nothing worthwhile. The waves are tiny, the wind is mostly cross-onshore, and it’s just not worth paddling out. There’s a few glassy moments, but with wave heights of only 1 foot to 1 feet, it’s a total washout. It’s a patient wait, but that’s how it goes sometimes.
The real standout is the morning of Wednesday, 5 August at Yonabaru. That’s your best window. We’ll have a clean 4ft groundswell from the east, with a very long period of 15 seconds. That’s real energy and good shape. The wind will be glassy out of the ESE, so the waves will be smooth and clean. The combined energy of all swells directed here will be moderate at 679. It’s a beginner-friendly break, so the size is fine for most, and the glassy conditions will make it a treat. Just remember, that long period swell can make a beach break a bit straight, but it’s still the best of the run.
Another good option is the morning of Friday, 7 August, also at Yonabaru. You’ll get a 4ft east swell with a 15-second period and a clean cross-offshore wind from the NNW. The combined energy will be moderate at 545, and the waves should be clean and have some shape. A solid backup.
The crowd at Yonabaru is "sometimes" busy, so expect a few others out, but nothing crazy.
Water temperature is about 84°F, which is normal for this time of year, so no wetsuit needed.
Bottom line: the first week and a half is a dud. The best sessions are the morning of Wednesday, 5 August, and the morning of Friday, 7 August. Get on it.
- Rusty
Short Range ForecastMostly dry. Warm (max 30°C on Thu afternoon, min 27°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 30°C on Sun afternoon, min 27°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | ||||||||||||||
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 | ENE 10 | ENE 10 | E 10 | E 10 | E 9 | E 9 | SE 10 | E 9 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 52 | 50 | 33 | 32 | 30 | 16 | 16 | 15 | 16 | 14 | 29 | 27 | 37 | 36 | 35 | 38 | 35 | 24 | 24 | 22 |
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-on | cross-on | cross-on | glassy | glassy | on | on | on | on | on | on | cross-on | cross | glassy | glassy | glassy |
High Tide | 1:12AM1.87m | 3:40PM1.57m | 2:20AM1.87m | 5:00PM1.68m | 3:28AM1.92m | 5:53PM1.79m | 4:29AM1.99m | 6:33PM1.89m | 5:21AM2.07m | 7:07PM1.97m | 6:08AM2.14m | 7:39PM2.03m | ||||||||
Low Tide | 6:53PM1.20m | 8:39AM0.70m | 8:19PM1.31m | 9:52AM0.58m | 9:47PM1.33m | 10:50AM0.45m | 10:54PM1.29m | 11:38AM0.33m | 11:46PM1.21m | 12:21PM0.24m | 00:28AM1.11m | 12:59PM0.20m | 1:07AM1.01m | |||||||
 |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — |
 | 7:21 | — | — | 7:20 | — | — | 7:20 | — | — | 7:19 | — | — | 7:19 | — | — | 7:17 | — | — | 7:17 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 30 | 28 | 30 | 30 | 29 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 | 30 | 30 | 28 |
Feels °C | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 33 | 34 | 33 | 32 | 33 | 32 | 32 | 33 | 33 | 32 | 35 | 35 | 33 |
Swell 1 Height (m) Direction Period (s) | E 10 | E 10 | ENE 10 | ENE 10 | E 10 | SSE 9 | SSE 9 | SSE 8 | S 8 | S 8 | S 9 | S 8 | S 8 | SSE 8 | S 8 | S 7 | S 7 | S 7 | S 7 | SSW 8 |
| kJ | 52 | 50 | 33 | 32 | 30 | 169 | 202 | 147 | 136 | 108 | 99 | 65 | 46 | 49 | 28 | 26 | 26 | 17 | 39 | 55 |
Swell 2 Height (m) Direction Period (s) | SW 7 | SW 7 | SSE 9 | SSE 9 | S 9 | E 10 | E 9 | E 9 | SE 10 | SE 10 | SSW 8 | SW 9 | SW 9 | SE 10 | SE 10 | ESE 10 | SE 10 | SE 10 | SE 10 | SE 9 |
| kJ | 8 | 8 | 8 | 8 | 15 | 16 | 16 | 15 | 16 | 23 | 26 | 29 | 29 | 36 | 35 | 38 | 35 | 24 | 24 | 22 |
Swell 3 Height (m) Direction Period (s) | S 7 | SSE 10 | SW 7 | S 7 | SE 16 | ESE 11 | SE 16 | SSE 15 | E 9 | E 9 | SE 11 | SE 10 | SE 10 | SW 8 | E 8 | ESE 4 | ESE 4 | SSW 8 | E 9 | S 7 |
| kJ | 4 | 10 | 2 | 4 | 10 | 11 | 10 | 22 | 14 | 14 | 29 | 27 | 37 | 11 | 6 | 3 | 4 | 7 | 6 | 4 |
Wind waves Height (m) Direction Period (s) | ESE 2 | ESE 3 | SE 3 | SE 4 | SSE 7 | — | — | — | — | — | — | E 3 | ESE 4 | ESE 4 | SE 4 | SE 4 | — | — | — | — |
| kJ | 1 | 1 | 3 | 5 | 62 | — | — | — | — | — | — | 1 | 2 | 5 | 4 | 5 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 10 | 10 | 76 | 76 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 727 | 13 | 14 | 89 | 13 |
Best forecast wave conditions in Okinawa | ||||||||||||||||||||
Best forecast wave conditions in Japan | ||||||||||||||||||||
Header Global | ||||||||||||||||||||
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Information about the Yonabaru Surf forecast
The above surf forecast table for Yonabaru provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Yonabaru can be found by selecting the local surf guide option on the grey menu. Our Yonabaru 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 (Yonabaru) 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 Yonabaru 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.
Yonabaru is 5 km (3 miles) from the city of Ginowan. If you plan a holiday in Okinawa, look for hotels and other accommodation in Ginowan. Ginowan has rooms for a wide range of budgets as well as car hire and transport links.
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