Tenby (South Beach) Surf Forecast and Surf Report

Alright folks, Rusty here. Let’s be straight with you: the next couple of weeks around Tenby (South Beach) are looking pretty grim for a proper paddle. The data shows a long, dry spell of marginal surf with no real standouts to get excited about. We’re talking about a stretch where the wave energy is just too weak, and the wind is often onshore or cross-shore, messing up any chance of a clean wave.

Looking at the whole 16-day window, it’s a tough one. The first wave of any note doesn’t really show up until the morning of Saturday, 8th August, and even then it’s a mixed bag. Before that, from now through Friday, 7th August, the swell is tiny—mostly 0.3ft to 3ft—with onshore breezes and poor conditions. The combined energy stays low, barely breaking 100 (like 90 on Monday, 3rd August morning), so you’re basically looking at a flat spell.

The one faint glimmer comes on Saturday, 8th August. The morning shows a glassy, calm wind with a modest 4ft swell from the WSW, but the period is a short 6 seconds, which means weak, crumbly waves. The combined energy hits 142, which is moderate, but still not enough to get the heart racing. It’s a beginner-friendly size, but the quality isn’t there for a standout session. That afternoon, the wind switches offshore from the NW, but the swell drops to 0.3ft with a long 13-second period—a classic case of promising period but no height to work with.

Then on Sunday, 9th August, we get the biggest push of the whole forecast. The morning sees a 5ft swell from the WSW, with a 7-second period and a combined energy of 201 (moderate wave energy). The wind is a cross-offshore from the N, which is decent. This is the only day where the size might get a bit of a pulse, but it’s still short-period, so expect lumpy, disorganised lines. It’s not too big for a confident beginner, but at 5ft, it’s right on that edge. The afternoon drops to 4ft, but the energy is still solid (158). This is probably the best on offer, and it’s a full week away, so treat it as a promising but uncertain prospect.

After that, from Monday, 10th August onwards, it fades back to tiny, poor surf with onshore winds and very low energy numbers (down to 5 or 7). Water temperature is a very unusual 66°F, which is much warmer than normal for this time of year—a full 5°F above average. That’s a nice bonus for the body, even if the waves aren’t cooperating.

The bottom line: there’s nothing here that’s a true standout. The best window is the morning of Saturday, 8th August, through Sunday, 9th August, but even that’s just a moderate pulse. For the rest of the time, it’s mostly flat or blown out. If you’re desperate for a paddle, keep an eye on that Sunday morning, but don’t expect any magic.

Rusty.

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