Cable Bay (Porth Trecastell) Surf Forecast and Surf Report

Right then, let’s have a look at what’s shaping up for the next couple of weeks at Cable Bay (Porth Trecastell).

To be honest, it’s a pretty grim run overall. The water temperature is sitting at 64°F right now, which is a solid 4°F above normal for this time of year – that’s much warmer than we’d usually expect, so you won’t be needing the thickest wetsuit, but that’s about the only good news.

For the first week, from Friday 28 August right through to the end of the first week of September, the swell is tiny and the wind is almost always onshore or cross-onshore. The wave energy is weak, often well under 100 (22 on the Friday morning, 19 in the afternoon). You’ll see a bit of a pulse around Monday 31 August morning with combined energy hitting 162, but it’s still cross-onshore with a messy 3ft wave. The best of a bad lot might be Saturday 29 August morning – a light ESE cross-offshore breeze, 3ft SSW swell, and the wave comment calling it “surfable waves but very ordinary conditions”. That’s about as good as it gets, and it’s still pretty average.

There’s a real gap from around Tuesday 1 September onwards – the swell drops off, and the wind just keeps swinging onshore. By Wednesday 2 September the breeze is up to 22 mph and the swell is only 5ft with poor conditions. The following days are just more of the same: onshore winds, small messy swell, and the wave energy stays moderate but never clean.

Then from Saturday 6 September afternoon, we see a slight flicker – 6ft SSW swell, light cross-onshore breeze, and the energy is moderate at 211. The wave comment says “marginal surf forecast or questionable tide conditions”, scoring a 2 out of 10. That’s the best score in the whole run, but it’s still marginal.

After that, it fades again. By Thursday 10 September the swell is gone completely – zero energy – and it stays that way through to Saturday 12 September, with only cross-offshore winds but no waves to ride.

So, if you’re desperate, the Saturday 29 August morning slot is your best bet – clean enough with a light offshore, but don’t expect much. Otherwise, it’s a long wait. The outlook is bleak, but the area is fairly consistent, so it won’t stay this poor forever. Keep an eye on the forecasts.

Rusty

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