Yonabaru Surf Forecast and Surf Report

Alright, Rusty here. Let’s be straight with you: for the next week and a half, Yonabaru is a tough beat. The surf is tiny, the wind is messy, and the conditions are just plain ugly. We’re looking at a long, frustrating gap with barely a ripple worth paddling for. The water is sitting at a balmy 84°, which is pretty average for this time of year, so the only thing you’ll be doing is floating.

From Sunday the 13th right through to the morning of Friday the 18th, it’s basically flat with weak, choppy energy. The combined swell energy is mostly in the low-to-mid 100s—weak stuff. Winds are onshore or cross-onshore, and it’s just not happening. Don’t even bother.

Friday the 18th afternoon is still small and choppy, no good.

Then things get interesting. Saturday the 19th sees a spike of energy from the ESE, with a crazy-long 18-second period and combined energy hitting 455. But it’s messy. The wind is cross-shore and bumpy. That afternoon, we get 4.3 feet of ESE swell with a 16-second period and energy jumps to 1011. It’s still a bit lumpy, but the comment says "marginal." Not a standout, but a glimmer.

Sunday the 20th is where your best chance lies. Sunday morning we get 7.2 feet of E swell with a 15-second period and energy is a solid 2045. The wind is cross-shore, so it’s lumpy. But by Sunday afternoon, the wind swings cross-offshore at 22 mph, and the waves hold at a clean 6.6 feet from the east with a 14-second period and energy at 1559. This is your spot. That’s a proper groundswell, and with cross-offshore wind, it’ll be clean. The swell is over 5 feet, so this is more for intermediates and up. The long period (14–15 seconds) means look for a point or reef setup, not a beach break where it might close out. Crowds are “sometimes” a factor, so keep an eye out.

Monday the 21st drops off to 4.3 feet in the morning and 3.6 feet in the afternoon, still clean with cross-offshore wind, but the energy is fading. The rest of the week after that is small or messy, with another big pulse trying to show up around Saturday the 26th and Sunday the 27th. That’s 9.8 feet of ESE swell with 15-second period and energy over 5000, but the wind is cross-shore and the conditions are “marginal.” That’s for experts only, and it’s a long-range call—promising but less certain.

So, to put it simply: Sunday afternoon the 20th is the one to circle. Clean, solid, and worth the wait. For now, save your energy and wax.

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