Mawgan Porth Surf Forecast and Surf Report

Alright folks, Rusty here. Let's have a look at what Mawgan Porth has in store for us over the next couple of weeks.

Right off the bat, I gotta be straight with you – the first half of this forecast is a real bummer. We’re looking at a long, dry spell with nothing worth paddling out for from Wednesday the 9th of September all the way through to Saturday the 19th of September. The wind is just a mess, mostly cross-onshore, and the wave quality is rated as poor for every single session. The swell is there, but it’s just not working with the wind. For example, on the morning of the 13th, we get a 5ft swell from the west with a 10-second period, which has some moderate energy to it (431), but it’s onshore wind. It’s a write-off for a good surf.

The water temperature at Mawgan Porth is sitting at 65°, which is a solid 4° warmer than normal for this time of year. It’s a nice surprise, but you won’t be enjoying it much with the conditions we’ve got.

We finally get a glimmer of hope on Sunday the 20th of September. The morning sees a tiny 2ft west swell with a light cross-offshore breeze from the southeast, making it clean. The combined energy is weak (67), but it's surfable. The afternoon is similar, with a 2ft swell from the WNW, a longer 12-second period, and a clean cross-offshore wind. The energy is still low (135), but for a groveler, it’s something.

The real standout, though, is the morning of Monday the 21st of September. The wind goes glassy. Absolutely flat calm. The swell is 3ft from the west with an 11-second period, giving us a moderate energy level of 240. This is the best window in the entire 16 days. It’s a small, clean, glassy day. The swell direction (W) is a good match for the river mouth. The only downside is that the break is a river mouth, so a longer period swell like this might make it a bit straight, but with glassy conditions, it's the only chance for a proper, clean wave. It’s a beginner-friendly size too.

After that, the wind turns back onshore and the energy drops right off through the rest of the week, with tiny 1ft to 2ft waves and fresh breezes, so don't get your hopes up for the rest of the period.

So, to sum it up: forget the first week and a half. The only real bet is that glassy Monday morning, the 21st of September. It’s not a big swell, but it’s the only clean one we’ve got.

Rusty.

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