Nine Mile Reef Surf Forecast and Surf Report

G’day, Rusty here. We’ve got a bit of a mixed bag coming up for Nine Mile Reef over the next 16 days. The opening stretch is dominated by a strong pulse of swell that’s just too big for this spot, and the wind is mostly onshore or cross-onshore, so the first few days are a write-off. The water’s sitting at 58°F, which is about 3°F cooler than usual for this time of year—so a bit of a chill in the water.

The first real chance of a decent session doesn’t show up until Sunday, September 6th. The morning brings a long-period groundswell from the SSW at 5ft with a period of 19 seconds—that’s a very long period, which means the waves will have heaps of energy and a nice shape, but they’ll be a bit fat and setty. The wind is a gentle cross-shore, so there’s a little chop, but it’s not blown out. The combined swell energy is strong at 1698. It’s not the cleanest, but it’s the first real surfable window.

The standout of the whole period looks like Monday, September 7th. The morning is absolutely glassy—light NW wind, clean as a whistle. The swell is 5ft from the S with a 13-second period, which is a solid groundswell. The combined energy is moderate at 817, but with that glassy wind, the waves will be clean and lined up. This is the best morning on offer, and it’s a beginner-friendly size, so it’s a good one for a paddle.

After that, the swell drops right off. Tuesday, September 8th has clean offshore winds but only 2ft from the SSE—too small for much fun. Wednesday, September 9th is basically flat with poor conditions.

The next real highlight comes on Thursday, September 10th. The morning is glassy again with a 4ft swell from the SW, 15-second period, and combined energy of 653. That’s a nice, clean, long-period groundswell. The offshore wind is dead calm, so the reef will be smooth. This is a solid call—worth a look.

Friday, September 11th has a similar setup: glassy morning, 4ft from the SW, 13-second period, energy at 521. Clean and surfable, but slightly smaller.

The following week has a few flickers. Monday, September 14th has a 6ft swell from the SSE with a 9-second period—that’s a shorter period, so it’ll be a bit more crumbly. The morning is glassy though, so it’s clean. The size is a bit bigger, still fine for intermediates. Combined energy is moderate at 806.

The last decent-looking window is Wednesday, September 16th. A clean morning with a WNW cross-off wind, 4ft from the SSW, 12-second period, and energy at 498. It’s a small but tidy wave.

Overall, the best sessions are definitely the glassy mornings on the 7th, 10th, and 11th. The 7th is the pick of the bunch—clean, glassy, and a solid 5ft groundswell. If you’re keen, that Monday morning is the one to get wet.

Rusty.

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