Thirroul Surf Forecast and Surf Report

G'day, I'm Rusty. Look, I'll be straight with you – Thirroul’s in a bit of a quiet spell for the first week or so. We’ve got a run of small, ordinary surf that really isn't worth paddling out for. There’s a gap from now until the start of the second week where the only options are marginal or poor. It’s a pretty flat stretch.

Friday the 28th has a small 5ft SSE swell pushing in (597 combined energy), but it’s cross-onshore already by the afternoon. The morning might give you a few knee-high runners, but it’s messy. Saturday the 29th is even smaller at 4ft, and Sunday the 30th drops right off to 3ft. Sunday morning is the first real tease – glassy conditions, 3ft of S swell (211 energy). It’s clean, but tiny. Monday the 31st is similar with a light north cross-off, giving you 3ft S swell (206 energy), clean but ankle to knee high.

The first few days of September are flat and ordinary. We see some offshore wind on Wednesday the 2nd and Thursday the 3rd, but with waves barely reaching 2ft, it’s not worth suiting up.

Now, here’s where it gets interesting. Monday the 7th of September is the real standout. The swell fills in overnight, and we’re looking at a solid 6ft S swell hitting early (617 combined energy) with a clean W 15 mph offshore. That’s proper, clean wave faces with some push behind it. Morning session is the go – it'll be a fun, head-high wave at Thirroul. The afternoon stays cross-off but still clean.

Then Tuesday the 8th of September – this one’s for the experienced crew. The swell jumps to 5ft SSE but with a very long 15-second period (explosive 2518 combined energy). This is a proper groundswell. The wind stays light and cross-off in the morning. This kind of long-period swell can be a bit straight at beach breaks, but Thirroul being a beach and reef setup should handle it well. Heads up, the afternoon pushes to 8ft on the same SSE swell – that's big, powerful surf only for experts. Water temp sits around 64°, which is bang on average for this time of year.

Wednesday the 9th and Thursday the 10th still have some size (7ft to 6ft) but the wind turns cross-onshore and we’ve got rain showers. It’s lumpy and less appealing. After that, it fades back to small and poor through the end of the run.

So, clear winners here: Monday the 7th morning for quality clean waves at head-high, and Tuesday the 8th morning for the big, long-period groundswell with light winds – that’s the session for the experienced surfer.

Keep your eyes on the forecasts, but right now those two sessions are the ones to circle.

Rusty.

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