Nantasket Beach Surf Forecast and Surf Report

Alright folks, Rusty here. Let’s have a look at what’s coming up for Nantasket Beach.

Honestly, I’ve gotta level with you – the next couple of weeks are looking pretty flat. We’re staring down a long stretch of minimal swell, with the first real signs of life not showing up until the tail end of the window. It’s going to be a test of patience.

Right through the first week of August, from the 5th to the 12th, we’re talking about ankle-snappers at best. Swell heights are barely registering at 0.3ft to 1ft, and when the period is as short as 3 to 8 seconds, there’s just no push behind it. The combined energy is in the doldrums, reading between 3 and 9 – that’s the definition of weak. The wind though, that’s a real tease. We get some nice clean conditions, especially a glassy morning on Sunday the 9th with a light offshore from the NW, and then again on Wednesday the 12th afternoon with a perfect glass-off. But without any swell to work with, it’s just a flat, pretty lake. No point even paddling out.

We finally see a pulse of energy around Monday the 17th, as the swell bumps up to 1ft from the E, with a short period of 5-6 seconds. The combined energy creeps up to around 15. Still small, but it’s not nothing. Conditions are cross-onshore though, so it’ll be a bit bumpy.

The best bet in this whole 16-day window looks like Wednesday the 19th and Thursday the 20th. On Wednesday morning, we’ve got a 3ft swell from the E with an 8-second period, and the combined energy hits 78 – that’s moderate, getting some juice. The wind is cross-off from the SW, and the wave comment says clean. That’s our standout. By Wednesday afternoon, the swell builds to 3ft from the ESE, energy jumps to 112, but the wind picks up to 12 mph. It’s still clean, but a bit more breeze on it. Thursday morning sees the swell drop back to 2ft, energy back to 48, but again with clean cross-off winds. For a beach break, this is a workable little window. The wave state is clean, and with the swell direction being E/ESE, it’s doing what it can for the exposed stretch. It’s not going to be pumping, but it’s the only real surf on offer. Crowds are possible here, Nantasket is a popular spot, but with the size being what it is, it’ll likely just be a few diehards.

Keep in mind, the water temperature anomaly is about average for this time of year, so no surprises there.

So, bottom line: don’t bother for the first 12 days unless you want to practice your tanning. The window of the 18th through the 20th is the only shot, with Wednesday the 19th morning being the pick of the bunch. It’s a long-range call, so not set in stone, but it’s all we’ve got.

Rusty.

Read more