Mundaka Surf Forecast and Surf Report

Alright, this is Rusty checking in on the Mundaka river mouth, and I’m not gonna sugarcoat it: the first part of this stretch is a tough watch. A lot of junk out there for several days. But you hang around, and there’s a proper session waiting way down the line that could fire. The water is sitting around 75°, which is way warmer than usual for this time of year, so at least you won't be cold while you're waiting.

Things start off Tuesday the 25th and Wednesday the 26th of August with nothing worth paddling for. Tiny, weak, poor-quality surf. Honestly, leave the board in the truck.

Thursday the 27th is a total washout. By Friday the 28th, it gets a little more interesting. The morning shows a clean 5ft NW swell rolling in with a moderate cross-off breeze, but the energy is still a bit messy. The afternoon gets bigger to 6ft NW, but that wind swings onshore at 19 mph and trashes it. Not the day.

Now, Saturday the 29th of August is where we get our first real glimmer. The morning is a beaut: a clean 5ft NW swell, glassy conditions with a slight offshore touch from the ESE at only 3 mph. That’s the kind of morning that gets the pulse going. The wave energy is solid for a proper work-out. This is the best session in the first week, and the cleanest conditions you’ll see for a while.

Sunday the 30th holds some OK waves in the morning – 4ft NW and dead calm – but it’s a bit ordinary and weak. Monday the 31st and Tuesday the 1st of September are marginal, with the swell bumping up to 5ft NW, but the winds are messy.

Hold on for Wednesday the 2nd of September. This is the other standout. The morning session is glassy, with a clean 5ft NW groundswell pumping in. The offshore wind from the west at just 3 mph will have the lines looking absolutely perfect. That’s a top-shelf Mundaka morning.

The wait gets real after that. The swell drops off hard, with weak, poor conditions lasting through the rest of that week and into the next. We’re talking days of small, onshore dribble. Nothing to write home about.

But then, out of the blue, Tuesday the 8th of September shows up. This is your wildcard. A massive 12ft NW swell is forecast, with insane wave energy. That’s expert territory only – way too big for beginners. The wind is just a light cross-shore, so it could be manageable. For the experienced crew, this is the kind of day that can make the whole outlook legendary. It's a long way out, so keep an eye on it, but it has serious potential.

Wednesday the 9th then drops back to a still-chunky 6ft NW, but the wind shifts cross-on, chopping it up.

So, to wrap it up: the clear winner is Saturday the 29th of August for that perfect glassy 5ft NW right-hander. And the absolute big one to watch is Tuesday the 8th of September, if you’ve got the skills and the nerve for an 12ft NW beast at Mundaka.

Rusty.

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