Yonabaru Surf Forecast and Surf Report

Alright, Rusty here, let’s talk about what’s goin’ on.

Right off the bat, it’s a grim start. The first swell we see rolls in Wednesday morning, but it’s coming from the wrong direction for our main spot, Yonabaru, which really wants it from the NE to work. We got SE swell and a cross-on wind, making things choppy and messy. The water’s at a warm 84°, pretty average for this time of year, nothing unusual.

Thursday and Friday get progressively bigger and uglier. By Friday morning, we’re talking a massive 31 ft swell with a very long 18-second period from the SE, and winds howling at 31 mph onshore. The combined energy shoots up to (58383) — that’s extreme. This isn’t a paddle-surf day; it’s more of a “stay on the beach and watch” or a kite-surfing scenario. It’s far too big for anyone but the experts, and even then, the wind is trash.

After that, the weekend and most of the following week is a write-off. We get days of thunderstorms, onshore and cross-on winds, and tiny, weak swell or none at all. There’s a gap from Saturday the 11th right through to the following Wednesday the 15th with nothing worth mentioning.

We do see a little flicker of hope on Thursday the 16th of July. Morning winds turn light and onshore from the ENE at just 3 mph, almost glassy. It’s still small at 6 ft swell from the ESE, with a moderate 9-second period, giving a combined energy of (575). The wind is the best we’ve seen in a long time, and that small, clean swell could offer a few fun ones for the beginner to intermediate crew. It’s not a standout by any stretch, but compared to the rest, it’s the best on offer.

Looking further out, the surf picks up again around the 20th of July. Monday the 20th shows a solid 6 ft to 7 ft swell from the E, with a long 16 to 18-second period. The wind is still cross-on from the SSE, keeping it a bit lumpy. This is promising, but it’s a week and a half away, so we keep the excitement in check. The energy is moderate, around (2038).

The real potential may come on Tuesday the 21st of July. Clear skies, wind straight onshore but light at 9 mph from the E. The swell holds at 8 ft from the E with a 16-second period, which is long and powerful (2709 energy). That’s expert territory size-wise, and with that long period, Yonabaru might not shape up perfectly — long period E swell can break a bit too straight on a beach setup. But if you’re an experienced surfer and the wind stays manageable, it could be the wild card.

After that, the pattern looks mixed again with storm threats and shifting winds through the 22nd and 23rd. The swell direction swings around to the NW and N, which isn’t what Yonabaru likes.

So, truth is, there’s no real classic standout in this window. If I had to pick, I’d say keep an eye on Tuesday the 21st of July for the biggest, most powerful swell, but only if you know what you’re doing. For a cleaner, more manageable wave, the morning of Thursday the 16th is your best bet, even though it’s small.

Keep your head up, forecasts can shift, especially that second week.

Rusty.

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