Surf Forecasts:
Yonabaru surf forecast from 12 Jul 2026:
- Most powerful swell: Sunday 19 Jul, 6PM (local time) - 2.5ft (0.8m), 13s period, E swell with 209 kJ wave energy.
Best Forecast Surf Conditions for Yonabaru this week:
The most powerful waves expected at Yonabaru in the next 16 days are 0.8m 13s and forecast to arrive on Sunday (Jul 19) at 6PM. Winds are predicted to be cross-onshore 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+) | - | - |
| Best Surf | - | - |
| Most Powerful | 6PM (Sun 19th Jul) | 2.5ft (0.8m) 13s |
Table - best surf conditions forecast for Yonabaru over the next 16 days.
Alright, this is Rusty. Let's have a look at what's on offer for the next couple of weeks.
Honestly, it's a quiet picture for the break at Yonabaru. The first week or so, we're looking at a real flat spell. From Sunday 12th of July right through to the afternoon of Monday 20th of July, the swell is going to be tiny and pretty gutless, with combined energy often less than 100 (very weak). The wind is a real issue too, mostly cross or cross-onshore, keeping things lumpy and messy. There's a couple of windows where the wind goes offshore, like Wednesday afternoon, but the swell is still only 1ft from the SE, so it's not going to be doing much.
The water temp is sitting at 84°, which is dead average for this time of year, so no worries there for a summer session.
The first real sign of life shows up on Monday 20th of July afternoon, when the swell ticks up to 4ft from the east, but the wind is onshore and the break is picking up a moderate 325 (moderate wave energy). It's still too messy for a proper paddle. Things actually get a little meaty on the morning of Tuesday 21st of July, with a 6ft east swell and energy jumping to 722 (strong wave energy). That's the biggest of the whole run, but it's onshore wind and the period is 11 seconds, so it's a bit of a groundswell. For a beach break like this, that long period can make the waves break too straight, making it tricky. Still, the size is there for the experts to have a go if they're desperate, but it's far from ideal.
After that, it drops back off quickly. The rest of the week into the 27th of July is back to small, weak swell with cross-onshore winds. There's a tiny window on the 25th of July with a light cross-offshore breeze and a clean surface, but the swell is only 2ft from the east. It's a flat, drawn-out period here. For a break that's only fairly consistent, this blank run is a bit of a tough one. The setup looks more interesting for a kite session than a paddle surf on most of these days, with the onshore winds and the small, gutless swell.
Keep an eye on the long-range, but it's not looking promising right now.
Rusty.
Short Range ForecastMostly dry. Warm (max 30°C on Tue morning, min 27°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Sat morning. Warm (max 30°C on Thu afternoon, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sun 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 12 | SE 13 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SE 11 | ESE 10 | ESE 9 | SE 9 | ESE 10 | E 10 | ESE 10 | E 10 | ESE 9 | E 12 | ESE 11 | E 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 7 | 7 | 6 | 16 | 15 | 15 | 15 | 13 | 18 | 31 | 28 | 13 | 31 | 16 | 30 | 16 | 28 | 69 | 97 | 110 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | cross-on | cross | cross | cross | cross-off | off | cross-off | cross-off | off | cross-off | off | off | off | cross | cross-on | on | cross-on |
High Tide | 6:17PM1.83m | 5:00AM2.05m | 6:58PM1.91m | 5:47AM2.11m | 7:33PM1.97m | 6:31AM2.15m | 8:07PM2.01m | 7:14AM2.17m | 8:39PM2.03m | 7:56AM2.15m | 9:11PM2.03m | 8:38AM2.10m | 9:42PM2.01m | 9:22AM2.01m | |||||||
Low Tide | 11:23PM1.23m | 12:06PM0.24m | 00:10AM1.17m | 12:47PM0.17m | 00:52AM1.11m | 1:25PM0.15m | 1:32AM1.04m | 2:02PM0.17m | 2:11AM0.97m | 2:38PM0.25m | 2:50AM0.92m | 3:13PM0.36m | 3:31AM0.87m | ||||||||
 |  |  | | | | | | | |  | | | | | | |  |  |  | | |
 | — | — | 5:43 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:46 | — | — | 5:47 | — | — | 5:47 |
 | 7:23 | — | — | 7:23 | — | — | 7:23 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | 7:22 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | 1 | 1 |
Temp °C | 29 | 28 | 29 | 29 | 28 | 30 | 30 | 28 | 29 | 29 | 28 | 29 | 30 | 28 | 30 | 30 | 28 | 29 | 29 | 28 | 30 |
Feels °C | 31 | 30 | 32 | 31 | 32 | 33 | 34 | 33 | 33 | 32 | 33 | 33 | 34 | 33 | 34 | 34 | 33 | 34 | 34 | 32 | 33 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 10 | S 9 | S 9 | S 9 | S 8 | SSW 9 | SSW 8 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | ESE 11 | E 11 |
| kJ | 283 | 94 | 649 | 459 | 343 | 245 | 227 | 105 | 139 | 184 | 144 | 163 | 138 | 122 | 81 | 78 | 76 | 74 | 66 | 97 | 110 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 9 | E 9 | E 9 | E 9 | E 9 | E 9 | SW 10 | S 8 | S 8 | S 7 | ESE 9 | S 7 | ESE 10 | E 10 | ESE 10 | E 10 | ESE 9 | E 12 | SW 8 | SW 8 |
| kJ | 77 | 43 | 7 | 6 | 16 | 15 | 15 | 39 | 55 | 28 | 17 | 28 | 16 | 31 | 16 | 30 | 16 | 28 | 69 | 66 | 42 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 13 | SE 13 | SE 9 | SE 9 | SE 9 | S 8 | E 9 | E 9 | SE 11 | ESE 10 | S 7 | SE 9 | S 7 | S 7 | S 7 | SE 10 | ESE 12 | SE 8 | S 7 | E 15 |
| kJ | 24 | 7 | 7 | 3 | 3 | 3 | 5 | 15 | 13 | 18 | 31 | 10 | 13 | 9 | 8 | 4 | 15 | 15 | 11 | 4 | 17 |
Wind waves Height (m) Direction Period (s) | S 11 | S 10 | — | S 9 | — | — | — | SSE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2018 | 1047 | — | 637 | — | — | — | 48 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 616 | 616 | 680 | 703 | 13 | 13 | 13 | 13 | 89 | 599 | 599 | 607 | 599 | 599 | 760 | 16 | 14 | 13 | 13 | 13 | 10 |
Best forecast wave conditions in Okinawa | |||||||||||||||||||||
Best forecast wave conditions in Japan | |||||||||||||||||||||
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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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