Cobblestones Surf Forecast and Surf Report

Alright folks, Rusty here.

We’re looking at a solid run of swell for Cobblestones, but the wind is going to be the story. This is an advanced reef break, so it’s not for the faint of heart. We've got a good groundswell lining up, with very long 16-second periods early on, which is going to put some serious energy into the water. The combined energy is reading strong (8888) to very strong (12630) across the period, so there’s plenty of power.

The water’s sitting at 65°, which is a touch warmer than average for this time of year – a nice little bonus if you’re paddling out.

The standout is hands down early Tuesday morning (8th September). The swell is a solid 13ft from the SW, period hitting 16 seconds, and the wind is a moderate cross-offshore from the ESE. That’s clean, powerful, and very serious. Only for experts. But if you’ve got the skills, that session is as good as it gets in these parts. The afternoon glass-off on Thursday the 10th is another one to circle – you’ve got 7ft of WSW swell with a glassy N wind. That’ll be clean and much more manageable.

Later in the week, watch out for the onshore winds kicking in. From Saturday the 12th onward, we’ve got W and WSW winds blowing straight on or cross-on, making things choppy and lumpy. The swell stays big, but the quality drops hard - that’s kite-surf territory more than paddle. We get a brief window of relief early Monday the 14th with light offshore winds and 12ft of swell, but the wind swings again by the afternoon.

Into the second week, the pattern stays active but messy. There’s a real gem on Tuesday the 15th morning – glassy conditions again with 10ft of SW groundswell, but that’s a short-lived window before the cross-on wind returns. The bigger stuff rolls in around the 20th and 21st with 16ft+ swells and strong cross/onshore winds. That’s massive, dangerous, and blown out – leave it for the tow crew or the kites.

Overall, there are a couple of absolute standout windows, but you have to be sharp and ready to go at dawn. We’ve got roughly a week of solid to excellent waves, then a couple of days of sloppy but big surf, then another messy but powerful finale. You’re surfing a reef, so pay attention to the direction and don’t get caught inside on a big set.

Rusty.

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