Trez Hir Surf Forecast and Surf Report

Alright, let’s get into it. Rusty here, and I’ve got the lowdown on Trez Hir for the next couple of weeks. First up, the water temp is sitting at 64°F, which is pretty much spot on for this time of year – nothing weird going on there.

Overall, the first week is gonna be a tough slog. There’s a big gap with nothing good on offer until we get to the very end of the run. Monday the 24th is a write-off with tiny 1ft SW swell and a cross-onshore breeze kicking up lumpy, poor surf. That sets the tone for a few days. Tuesday the 25th and Wednesday the 26th see a bit more size, up to 3ft, but the wind is all wrong – cross-onshore and choppy. Combined swell energy is only between 84 and 112 (weak to moderate), so there’s just no grunt.

We get a bit of a pulse on Thursday the 27th with 5ft SW swell and combined energy hitting 273 to 317 (moderate), but it’s still cross or cross-onshore, keeping conditions messy. Friday the 28th throws up some bigger numbers – 8ft W swell and energy up to 899 (strong) – but a fresh cross-shore wind and rain showers ruin the quality. The afternoon session cleans up a little with a cross-offshore wind, but it’s still only marginal. Saturday and Sunday drop off again with messy cross-shore winds.

Then, after days of mediocrity, we get a real standout. Monday the 31st of August brings a serious pulse of swell – 12ft W groundswell zooming in with a 10-second period. The combined energy is massive at 4035 (very strong). The wind is clean cross-offshore. This is big, powerful surf. Over 8ft, so this is strictly for experienced surfers only. The morning session looks the pick, with the afternoon dropping to 8ft but still clean. This is the big highlight of the whole outlook.

Tuesday the 1st of September keeps the clean cross-offshore wind going with 5ft to 6ft WNW swell – good, fun, manageable waves. Energy is a solid 355 to 598 (moderate to strong). A great follow-up day. Wednesday the 2nd goes glassy in the morning with a tiny 3ft WNW swell, but it’s just surfable, nothing special.

After that, the second week gets promising again but less certain. Thursday the 3rd and Friday the 4th stay marginal with cross-onshore winds. Then, on Saturday the 5th, we see another big jump: 7ft WNW groundswell with a 12-second period and combined energy of 1402 (very strong). Wind is cross-offshore, so it’s clean. This one is good but rain showers might be in the mix. Sunday the 6th holds around 6ft to 7ft but with stronger winds.

Now, the real long-range standout that’s got me buzzing: Monday the 7th of September. Trez Hir is forecasted to get a massive 16ft W groundswell with a 18-second period – that’s huge, very-long-period energy. Combined energy is off the charts at 15673 (extremely strong). That’s a once-in-a-blue-moon level of energy. This is big, heavy, powerful groundswell. It’s only for the hardcore crew. The wind is clean cross-offshore so the face will be smooth. Tuesday the 8th stays solid with 8ft W groundswell and a 14-second period, energy at 2846. Still big, still excellent for those who can handle it.

So the standout days are clearly Monday the 31st of August, and then the massive Monday the 7th of September. For the average punter, Tuesday the 1st of September is the safest bet for clean, user-friendly waves.

Remember, a swell like that on the 7th with a period over 15 seconds can sometimes break a bit straight at a beach break, so it might be best on a point or reef. But for raw power and clean conditions, it’s hard to beat.

Rusty out.

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