Porsmilin Surf Forecast and Surf Report

Right then, folks. Rusty here, and I’ve got to be straight with you – looking at this 16-day stretch for Porsmilin, it’s a tough watch for the most part. The real story is a whole lot of wind and messy conditions, with a few fleeting, high-quality windows that’ll take some commitment to chase.

The week kicks off with a frustrating run of poor surf. Friday (August 28th) is all small, choppy cross-onshore junk, and the swell’s weak – combined energy is a feeble 163. Saturday (29th) brings a jump in size, but it’s a beast of a different kind. With the wind howling from the WSW at 45 km/h, those 8 ft to 10 ft swells are just messy, lumpy, and blown out. That combined energy spikes to 703 then 1726, but it’s fat and ugly. Not one for the average surfer; this is strictly for the well-practised, and even then, it’s a fight. The water temp is around 64°F, which is bang on average for the time of year at Porsmilin.

This poor quality drags right through into the middle of the week. Sunday (30th) and Monday (31st) are still rough, with onshore winds and lumpy conditions. Tuesday (Sept 1st) and Wednesday (2nd) drop right off in size, with combined energy down to triple digits and low, and the wind still making a mess of things. Thursday (3rd) is more of the same. It’s a grim run of over five days with no real recommendation to be had.

Finally, a glimmer of hope. Friday (4th) sees a big jump in swell size back to 7 ft, but the wind is still a moderate cross-onshore, so it’s a “no” for now. But then we get to Saturday morning (Sept 5th). This is the standout. A 6 ft swell from the WNW with a solid 12-second period, pushing a combined energy of 926. The wind is a whisper-light cross-offshore from the NNW at just 5 km/h. That will be clean, lined-up, and absolutely gorgeous. This is the one to point the car at. It might be a little on the bigger side for total beginners, but for any intermediate who’s comfortable, it’s the best of the whole window. It’s a sandbar break, so expect it to be working nicely with that period.

After that peak, Sunday (6th) morning is still clean with a lighter cross-offshore and a 3 ft swell, but the energy fades to 237. It's a much calmer, more ordinary session. Then, a week out, on Monday (Sept 7th), we get a brief visit from proper offshore winds – 25 km/h from the NNE – but the swell is only 3 ft, so it’s more of a clean, glassy day for a longboard or a summer fun board. The combined energy is low at 144. The crowds might be about, as it’s a fairly consistent spot, but that offshore wind is worth the paddle. The following days (Tuesday 8th to Friday 11th) drop back into small, weak, or messy territory, though a couple of the afternoons mid-week stay clean but tiny.

Looking way out, Saturday (12th) morning looks clean with a cross-offshore breeze, but it’s only 2 ft with a combined energy of just 56. It’s not surfable. So, in short: one absolute stunner of a morning on Sept 5th, with a couple of decent, cleaner but smaller options a day or two either side. If you hold out for that Saturday, you’ll be rewarded.

Rusty.

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