Cable Bay (Porth Trecastell) Surf Forecast and Surf Report

Alright, it’s your boy Rusty here. I’ve looked over the charts for the next couple of weeks, and I’ve got to be straight with you—it’s a grim stretch ahead for Cable Bay (Porth Trecastrell). The swell window is just not cooperating, and the model is showing next to nothing for the entire 16-day period. We’re looking at a long, painful gap with no real surf on offer.

The water is sitting at about 62°, which is a touch warmer than normal for this time of year, so it’s not freezing, but you won’t be needing a spring suit for waves that aren’t there.

The first few days are a write-off. Thursday the 30th sees a tiny 1ft northwest windswell with a shocking 4-second period and a light cross breeze. The combined energy is a paltry 5 (weak). It’s just bumpy, weak, and useless. Friday and Saturday are the same story: a little more wind, a little more chop, but still nothing to paddle for. The swell stays below 2ft until we hit the second week of August.

Sunday the 2nd offers a tease—clean conditions with glassy or light offshore winds, but the swell is laughable at 0.3ft to 1ft. The energy is only 2 to 3 (weak). That’s a lake, not a surf break. The same holds for Monday and Tuesday the 4th, where we get some glassy conditions but still only 1ft on a long 8-second period, with combined energy hitting 10 (weak). It’s clean, but you’d be bobbing around on a millpond.

The first real blip of interest comes on Saturday the 8th. The morning brings a 3ft swell from the SSW with a 6-second period, and the combined energy jumps to 90 (moderate). The wind is a clean cross-offshore from the north at 9 mph. This is surfable, but very ordinary. The afternoon sees the swell bump to 6ft (still too small for that period to hold shape) and energy hits 216 (moderate). The wind stays clean, but the period is still short, so it’ll be a bit fat and lumpy. It’s not a standout, but it’s the only time in the whole window where you might get a fun little wave if you’re desperate.

Sunday the 9th morning offers 4ft with a 7-second period and energy of 136 (moderate), but the wind is a stiff 12 mph cross-offshore. It’s clean, but the swell is weak and won’t hold up well.

After that, it’s back to near-zero for the rest of the period. The 10th and 11th are glassy or clean but tiny, with swells under 1ft and energy in the single digits. The last few days of the 14th and 15th are just as flat, with a 0.3ft swell and 2 to 4 (weak) energy.

Honestly, the only day that’s even worth a look is Saturday the 8th. The morning is your best bet, with clean 3ft waves and a bit of push. It’s not going to be epic, but it beats the rest of the fortnight. For the rest, you’re better off waxing your board and waiting for a change in the charts.

Rusty.

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