Cobblestones Surf Forecast and Surf Report

Alright folks, Rusty here. Let’s get into it.

We’ve got a big, powerful run of swell headed our way, but it’s going to take a few days to clean up. The standout is definitely Cobblestones, a heavy reef break for experts only. The first few days are a write-off with strong onshore winds, but once the wind swings around, it’s gonna get real interesting.

The water is sitting at 67° right now, which is 4° warmer than usual for this time of year – that’s a notable bump, you’ll feel it.

Tuesday the 11th is a no-go. We’ve got a massive 18ft SW swell with a 16-second period, but the wind is a messy cross-on at 15 mph. The combined energy is a massive 14004 (very strong wave energy). It’s just poor surf conditions. Don’t bother.

Wednesday the 12th is still a bit of a question mark. Swell drops to 13ft from the SW, period still a solid 15 seconds, but the wind is onshore. The energy is still strong (7399 to 7055), but the tide and conditions are marginal. The scores are okay, but it’s not a go yet.

Thursday the 13th is where it starts to get interesting. The morning shows a 13ft SW swell with a 16-second period and a light NNW cross-shore breeze at 3 mph. The energy is still very strong at 8696. The afternoon is even better with a 17-second period (very long period groundswell) and a 6 mph onshore wind, but the score is higher in the morning. This is a big swell, over 8ft, so it’s for experts only. Long period plus a reef break like Cobblestones means it’ll hold up well and not just close out.

Friday the 14th is the absolute pick of the window. Morning session is exceptional for experts. We’ve got 12ft of SW swell, 16-second period, and a light NNE cross-offshore breeze at 6 mph. Clean conditions. The energy is moderate at 6461. The afternoon is even better – glassy, with a WNW wind at 3 mph and 12ft SW swell. That’s as good as it gets. This is the day to call in sick.

Saturday the 15th drops a bit in size to 8ft, but it’s still excellent for experienced surfers. The wind is clean cross-offshore from the N at 9 mph. The energy is moderate (2609 to 2231). Still a solid day.

Sunday the 16th is a bit of a mixed bag. The swell is back up to 12ft from the WSW, but the wind is a stronger cross-offshore at 12 mph. The conditions are clean, but the scores are lower. It’s marginal.

Then we hit a rough patch. Monday the 17th through Wednesday the 19th is pretty terrible. Onshore winds and rain showers, with the swell staying big (12ft to 15ft). The energy is still very high (9518 to 10290), but it’s just poor surf. The setup looks more interesting for kite surfing than paddle surfing during this period.

Thursday the 20th and Friday the 21st are a no-go again with onshore winds and lumpy conditions.

There’s a flicker of hope on Saturday the 22nd. The morning is marginal with an 12ft SW swell, 17-second period, and a light onshore wind at 3 mph. The energy is moderate at 7759. The score is decent, but the wind is a bit cross-on.

The final week (23rd to 26th) is mostly poor with strong onshore winds and rain, though the swell stays in the 8ft to 13ft range. The 25th of August has a clean morning with a 13ft SW swell and light onshore wind, but the scores are just marginal.

So, bottom line: Friday the 14th is the absolute standout – glassy, clean, and a solid 12ft SW groundswell. If you’re an expert, that’s your day. Thursday the 13th is a close second, but the wind is a little more side-on. After that, it’s a waiting game.

Stay safe out there.
Rusty

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