Seignosse - Le Penon Surf Forecast and Surf Report

Alright, let’s break it down for Seignosse - Le Penon. There’s a solid run of surf coming, with a few slower days in the middle, but some real standout sessions later on. Water temp is about 72°, which is a touch warmer than normal for this time of year, so you might be alright in a spring suit.

The first good session is Sunday morning, September 13th. Glassy conditions, a clean 4ft NW swell, 13-second period, and the energy is pumping at 501. That’s a strong groundswell with nice shape, and with next to no wind, it’s going to be clean. Crowds are listed as "sometimes," so you might have some company, but it won’t be packed.

Monday morning, September 14th is similar, with a 4ft NW swell and glassy conditions again. Energy’s dropped a bit to 389, but still solid. The swell’s a little shorter at 11 seconds, but it’ll still offer some fun waves for a morning session.

Tuesday through Thursday, things get messy. The wind swings onshore, the swell drops off, and the period shortens. Thursday morning has a 6ft NW swell with a 13-second period, but the cross-onshore wind makes it choppy. Energy is up at 664, but the quality just isn’t there. Skip this stretch.

Now, Saturday morning, September 19th is the first real standout. A 7ft NW swell, 13-second period, and a massive 1346 on the energy scale. That’s strong, powerful surf, and with glassy conditions and a light easterly offshore, it’s going to be clean. This is for experienced surfers only – at that size, beginners should stay on the sand. It’s the pick of the first week.

Sunday morning, September 20th is another cracker. A 6ft NW swell, 12-second period, glassy, and energy at 805. Very clean, very solid. Still not for beginners.

Then, Monday morning, September 21st – this is the big one. A 7ft NW swell, 14-second period, glassy, and an energy reading of 1664. That’s serious power. This is a proper groundswell, and at that size, it’s for experts only. The break is a beach/jetty setup, and with a long period like that, it might be a bit straight for some beach breaks, but Le Penon can handle it. This is the best on offer across the whole outlook.

After that, the surf tapers off. Tuesday morning, September 22nd has a 5ft NW swell, glassy, energy at 700 – still very good, but not as big. Wednesday and Thursday mornings are smaller but clean, with offshore or glassy winds, offering 5ft and 4ft respectively. Good for a session if you want something more manageable.

Friday morning, September 25th brings another spike – 6ft NW swell, 12-second period, clean cross-offshore wind, and energy at 882. That’s a solid late-season session.

After that, the final weekend and Monday see the swell drop and the wind pick up again, with onshore and cross-shore conditions making things less appealing. There are still clean windows on Sunday and Monday mornings with 4ft and 3ft NW swells, but the energy is low and the wind is moderate, so it’s more of a longboard kind of day.

Overall, the best windows are Saturday 19th, Sunday 20th, and Monday 21st September – particularly Monday. That’s the one to circle on the calendar.

Rusty.

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