Bonny Hills Surf Forecast and Surf Report

G’day, Rusty here. Look, I’m gonna be straight with you—this outlook for Bonny Hills is a bit of a slow burn, but if you’ve got patience, there’s a ripper of a finish line waiting. We’ve got a fair gap of nothing special at the start, so don’t rush out just yet.

Right now, Tuesday the 18th is a write-off. Rain showers, a weak 5ft swell from the ESE at 8 seconds, and onshore wind means it’s a no-go. The combined energy is only 319—weak, messy stuff. Just leave it.

Wednesday the 19th morning is where things perk up a little. The swell drops to 4ft, still ESE, but the period stretches to 10 seconds, and the wind goes dead calm—glassy. Combined energy jumps to 438, so there’s a bit more push. It’s rideable, clean, but nothing to write home about. The afternoon gets cross-shore and drops off.

Thursday the 20th and Friday the 21st are ordinary. Swell drops under 3ft, short period, wind is all over the shop. Combined energy plummets to 39–69. Honestly, not worth your time.

From Saturday the 22nd through to Tuesday the 25th, it’s a real dry spell. Tiny waves, 1ft to 2ft, combined energy under 100 most days. There’s a glassy window on Sunday the 23rd morning, but with only 2ft and 56 combined energy, it’s a flat day. Wednesday the 26th to Friday the 28th stays small, with poor conditions and moderate cross-shore winds.

Now, here’s where it gets interesting. Saturday the 29th of August sees a pulse of south swell. Morning brings 4ft from the S at 8 seconds, combined energy 260, but winds are cross-shore—still messy. The afternoon bumps up to 5ft, 9 seconds, and combined energy surges to 749, but it’s still cross-shore and choppy. It’s a taste of what’s coming.

The standout window is Sunday the 30th of August and Monday the 31st of August. Sunday morning, the swell jumps to 8ft from the SSE with a 12-second period—proper groundswell. Combined energy is a massive 2907. That’s strong, powerful stuff. The wind is light cross-shore, so it’ll be a bit lumpy, but the power is there. By Sunday afternoon, it gets even bigger: 10ft from the SSE, an 18-second period, and combined energy of 6106. That’s very strong energy. The wind is cross-onshore, so it won’t be perfect, but it’s a solid, heavy swell.

Monday the 31st of August morning is the absolute pick. The swell drops back to 7ft from the SSE, 12-second period, combined energy of 1238, and the wind goes glassy—dead calm. This is excellent surf for experienced surfers. That’s a clean, powerful, long-period groundswell. Just be aware, at over 8ft, the Sunday afternoon was too big for beginners, but Monday morning at 7ft is still a serious wave for experienced surfers. The water temp is 66°F, which is about average for this time of year—nothing unusual there.

After that, Tuesday the 1st of September eases back to 5ft with glassy winds in the morning, and Wednesday the 2nd of September is smaller but still glassy. It’s a nice fade-out, but the real action is that Sunday through Monday window.

For the standout, I’m calling Monday the 31st of August morning at Bonny Hills. That 7ft SSE groundswell with glassy conditions is as good as it gets in this run. The long period (12 seconds) means it’ll be a bit tricky at the beach break, but Bonny Hills is a point break, so it should handle it well. The swell direction (SSE) is a good match for the SE optimum for this spot. If you’re an experienced surfer, that’s your session. Crowds are sometimes an issue here, so get in early.

Rusty.

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