Seignosse - Les Estagnots Surf Forecast and Surf Report

Alright, Rusty here. Let’s get into it. For the next couple of weeks, it’s a bit of a slow dance in the water for Seignosse, but there’s a couple of standout sessions that will make it all worth it if you time it right.

The early part of this week gets a thumbs down, so don't even bother paddling out until Thursday morning the 17th of September. The wind is just too messy. When Thursday morning rolls around, things flip completely. A nice 6ft swell from the NW with a good 11-second period rolls in, and the wind goes absolutely glassy. The water is sitting at 72°, which is a touch warmer than normal for this time of year, with combined wave energy hitting moderate at 124—not huge energy, but the quality will make you forget the numbers. That morning will have clean lines for the experts at this exposed beach break.

Friday the 18th is a write-off for the good stuff. Onshore wind messes it up, and the afternoon brings a bigger but messy 6ft swell with short 9-second period and a cross-shore chop. Not worth it.

Then we get to Saturday morning the 19th. This is your best bet. The swell jumps to a solid 7ft from the NW, period stretches out to a very long 13 seconds, wind is glassy from the east, and energy is strong at 1325. That’s groundswell power. For a beach break like Les-Estagnots, a long period can make waves a bit too straight if you’re out in the sandier sections, but with that clean glass and solid size, it’s going to be excellent for experienced surfers only—too big for beginners. Crowds are often there, so expect company.

Sunday the 20th morning is another glassy session with clean 5ft NW swell and 12-second period. That’s a solid follow-up, but it won't have the punch of Saturday. Still worth an early session.

Monday the 21st morning repeats the pattern: glassy, 4ft NW, 10-second period and moderate energy at 525. Good, clean, but not epic.

Things start to fade mid-week. A few surfable but ordinary mornings from the 22nd through 25th, with small swell around 3ft to 4ft and mostly clean glassy conditions in the mornings, but just average.

The 26th and 27th drop off further. Swell gets small, wind turns cross-on, and energy plummets down to 88 by Sunday afternoon. Not much to chase.

There’s a gap with no real recommendations until the 30th of September. That Wednesday morning brings a solid 7ft WNW swell with an 11-second period and absolutely glassy conditions—calm wind, energy is strong at 871. That’s another one for the expert crew only. Big, clean, and powerful. Crowds will likely be there again.

So to keep it simple: set the alarm for Saturday morning the 19th and Wednesday morning the 30th. The swell is good size, direction from NW or WNW fits the optimum westerly, wind is spot-on glass, and the water is a touch warmer than usual. The rest of the window is mostly average to poor, with a few solid but not perfect sessions mixed in.

That’s the call.
Rusty.

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