Trestrignel Surf Forecast and Surf Report

G’day, Rusty here, and I’ve gotta be straight with you – this ain’t the best outlook I’ve seen for Trestrignel in a while. We’re looking at a long, flat stretch with hardly any energy to get excited about. The whole 16-day window is a bit of a struggle, but let’s walk through it.

Right now, it’s Thursday the 6th of August, and we’re starting with a real dud. The water’s sitting at 66°F – that’s about 2°F warmer than average for this time of year, so nothing wild there. But the surf? Barely a bump. You’ve got a 3ft swell from the WNW, but the period is a weak 6 seconds, and the wind is a stiff 9 mph from the NNW blowing straight onshore. The combined energy is only 98 – that’s weak, flat, and messy. No good for a paddle.

That flat spell drags on. Friday the 7th and Saturday the 8th are tiny, with swell heights dropping to 1.0ft and 0.7ft, and winds are cross-onshore or cross-off, but it doesn’t matter – there’s just nothing to ride. The energy is laughable, down to 12 on Saturday morning. You’re looking at a gap of about 5 days where you’d be better off waxing your board at home.

Sunday the 9th through Tuesday the 11th stay weak – swell under 2ft, periods around 8-9 seconds, and the wind is mostly onshore or cross-onshore. The energy barely cracks 57. It’s a tough run.

Then we start to see a little pulse. Wednesday the 12th morning brings a 2ft swell from the W, period 10 seconds, and the energy jumps to 126 – that’s moderate, but it’s still poor surf conditions. The wind is light cross-onshore, so it’s not clean. Thursday the 13th and Friday the 14th hold around 3ft to 3ft, but the wind stays onshore or cross-onshore, and the energy gets up to 134. Still, nothing to write home about.

Saturday the 15th starts to get a bit more interesting – swell hits 4ft from the W, period 8 seconds, energy 173, but the wind is 12 mph from the WSW cross-onshore, making it choppy. Not surfable for a good session.

Now, the standout moment – and it’s a promise, not a guarantee – is Thursday the 20th of August. That morning, we’ve got a 6ft swell from the WNW, period 10 seconds, and the energy is a solid 706 – that’s strong. The wind is 12 mph from the WSW, cross-shore, so it’s a bit messy with a cross-chop, but there’s power. The afternoon sees 7ft from the WNW, but the wind cranks up to 19 mph from the WNW cross-onshore, which will blow it out. This is big for Trestrignel – over 5ft gets into the intermediate zone, but with that wind, it’s likely to be a lumpy, challenging paddle. The swell direction (WNW) matches the optimum NW direction, so it’s coming from the right spot, but the period is only 9 seconds, so it’s a shorter-period wind swell, not a clean groundswell.

Friday the 21st of August morning still has some energy – 6ft, WNW, period 9 seconds, energy 482 – and the wind is light cross-onshore at 6 mph, so it’s the cleanest option in the whole run. The afternoon sees 6ft with a 9 mph NNW wind straight onshore, which will make it messy again.

So, best on offer? I’d point you to Thursday the 20th of August for the swell size and energy, but be prepared for wind. The Friday morning on the 21st is a close second for cleaner conditions, but the swell is a bit smaller. If you’re a beginner, these days are too big – over 5ft – so stick to the flat days or skip. The crowds are *always* here, so expect company. Trestrignel is a sheltered spot, but when the wind is onshore, it’s tough.

For the next week, there’s a real drought. After the 21st, it drops off again. Keep an eye on the forecasts, but for now, this is a waiting game.

Rusty.

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