Trearddur Bay (Holy Island) Surf Forecast and Surf Report

Alright, let's have a look at what's on the cards for the next couple of weeks. I'm gonna be straight with you – it's a tough stretch for the most part, but there's a glimmer of hope if you're willing to be patient.

The water temp here at Trearddur Bay (Holy Island) is sitting at 63°F, which is a touch warmer than normal for this time of year. Not a bad thing if you're in a spring suit.

Right now, through the end of August and into early September, it's pretty flat and messy. We've got a long run of days with next to no swell. Most of the energy is weak, with combined energy values down in the single and double digits, like 15 (Wednesday 26th) and a measly 11 (Thursday 27th). The few tiny bumps we get, like 1 ft on Wednesday 26th, are coming from the SSW, but with a short period of 8 seconds, there's just no power. The wind is all over the place, and while we see some clean conditions on Thursday 27th morning with an offshore ENE wind at 16 mph, the swell is only 0.3 ft – you couldn't get a ride on a leaf.

Friday 28th sees a slight bump to 3 ft from the SSW, but with a period of only 5 seconds and a cross-on SW wind, it's lumpy and poor. The energy is still weak at 51. This pattern of poor surf continues day after day. We get a little more size on the 1st of September, with 6 ft from the west, but the wind is a fresh cross-on from the WNW at 19 mph, making it choppy and blown out. The energy is moderate at 230, but it's just not surfable.

There's a big gap with no real quality options until we get to the 5th of September. That's when things get interesting. Saturday morning the 5th brings a solid 8 ft swell from the SW, with a period of 7 seconds. The combined energy jumps right up to 698, which is strong. The wind is a light cross-shore from the WNW at 6 mph, which should keep it fairly clean. Now, 8 ft is getting into expert-only territory, and with that short period, it's going to be a bit of a wall of white water, not a classic clean face. Still, it's the only real size on offer, and if you're an experienced local who knows how to handle a thumping shorebreak, it might be your best shot. Just be aware the wind is cross, not offshore, so it won't be perfect.

After that, it fades back down. Sunday 6th and Monday 7th are back to small, weak, and onshore. The forecast for the second week is pretty barren, with tiny swells and strong winds, including a near gale from the west on the 9th. The 10th of September shows zero swell.

So, to be honest, the standout is that Saturday morning, 5th of September. It's not a classic, clean swell, but it's the only time we get any real power. For everyone else, expect a lot of flat, choppy days. If you're looking for something to do, the conditions on many of these days with strong cross-onshore wind and good-sized chop might actually be more interesting for kite surfing than paddle surfing.

Keep an eye on the forecast, but don't get your hopes up too high for the next week.

Rusty

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