La Isla Surf Forecast and Surf Report

G’day, it’s Rusty.

Alright, let’s talk about La Isla (reef and point). The outlook over the next couple of weeks starts off pretty quiet, and it takes a while before anything really gets going. The first week is mostly small, mixed up, and not worth rushing out for, but there’s a notable improvement at the end of the forecast window that brings some cleaner, more organised swell.

For the first few days, Monday 14 September through Wednesday 16 September, we’ve got swell around 3ft to 4ft from the SW, with periods between 13 and 18 seconds. The wave energy sits at moderate levels – between 397 and 783 units – but the winds are mostly cross or cross-on, so the surfaces are a bit rippled and messy. Nothing here is going to get the heart pumping. The best call in this early stretch is Tuesday afternoon the 15th: still only 4ft SW swell, period dropping to 14 seconds, but the wind goes light and cross-off, and the conditions clean right up. The energy’s moderate (666), but it’s a tidy little window for an advanced crew who know La Isla’s reef and point setup.

After that, Thursday 17 September keeps things clean in the morning with 3ft SW, 13-second swell, light offshore wind, and the energy back down to 340 – still small, but glassy and workable. Then we hit a real dry spell. From Friday 18 September through to Thursday 24 September, the swell drops hard, down to 1ft to 3ft, periods between 10 and 19 seconds but mostly short and weak, with energy plummeting to as low as 137. Winds shift cross-on a lot, and the conditions get poor to marginal. There’s a solid gap of nearly a week where you’d be wasting your time paddling out.

Now for the standout – and this is the one to circle on the calendar. From Friday 25 September into the start of October, things turn around. Friday afternoon the 25th brings 2ft from the WSW, period 14 seconds, and light cross-off wind, giving clean conditions with moderate energy (286). But the real highlight is Saturday 26 September: the swell jumps to 3ft from the SSW, period 14 seconds, and the afternoon goes glassy with light offshore wind – clean as you like, and the energy hits 744. That’s the best of the whole outlook. Sunday 27 September keeps it going with 4ft SSW swell, period 12 seconds, and another afternoon of light cross-off, clean conditions, energy up to 812. That’s the banger – not huge, but clean, lined up, and the optimum direction from the SSW lines up nicely with the break’s preferred SSW swell. The water temp is about average for this time of year, nothing unusual there.

Bear in mind, La Isla’s an advanced reef and point setup, and it’s fairly consistent. At 4ft it’s manageable for strong surfers, and the long period (14 to 15 seconds) means those longer gaps between sets, making it easier to get out the back. The light winds mean crowds could be an issue – this spot can get busy – so if you’re keen for that Saturday or Sunday afternoon session, get there early.

Second week gets a quick mention: Monday 28 September drops back to 3ft S swell with moderate energy (616), but the wind stays cross, so it’s not as clean. After that Tuesday 29 September fades to 2ft with more cross wind and chop.

So the takeaway: the first week is a write-off except for a brief clean window Tuesday afternoon and Thursday morning. Then a long flat patch. The real payoff is Saturday 26 and Sunday 27 September – clean, glassy, and the best swell of the whole outlook. Make the call then.

Rusty.

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