Marengo Surf Forecast and Surf Report

Alright folks, Rusty here. Let’s have a proper look at what’s coming down the line for Marengo over the next couple of weeks.

We’ve got a bit of a slow start, but don’t let that fool you. The week ahead builds into some serious energy, and the second weekend is looking like a proper standout. The water’s sitting at 57°F right now, which is pretty much what you’d expect for this time of year. No major surprises there.

First up, Tuesday morning the 8th of September. It’s clean, it’s glassy, with a light westerly offshore breeze and a clean 4ft swell from the SW. The period is a juicy 18 seconds, so that’s proper groundswell energy. The combined energy is a solid 1272, so there’s plenty of push. It’s a good one to get the week started, especially for the beginners. The swell’s not too big at all.

Tuesday afternoon the wind picks up a bit, but it’s still offshore. The swell builds to 6ft, still SW, still a long 17-second period. The energy jumps to 1915. This is excellent for experienced surfers, but that 6ft is getting into the zone where beginners might find it a bit much.

Wednesday the 9th is where things get serious. Morning sees an 12ft swell from the SW with a 19-second period. The combined energy is a massive 15412. That’s a lot of water moving. The wind is cross-off from the SW, so it’s clean, but for the experienced crew only. This is expert territory. It stays big through the afternoon, still 12ft, but the breeze is a bit stronger.

Thursday the 10th keeps the size up, 12ft in the morning, dropping to 10ft in the afternoon. Wind stays cross-off, waves are clean, but again, only for the experts. The energy is still very strong, 5787 in the morning.

Friday the 11th, the swell drops back to a more manageable 7ft to 7ft. The wind is light and cross-off, and the conditions are described as excellent for experienced surfers. The period is still a long 14 to 15 seconds, so the waves will have shape.

Now, Saturday the 12th of September is a real highlight. The morning is absolutely glassy, with zero wind. The swell is a clean 7ft from the SW with a 15-second period. This is the best on offer for the first week. The energy is 1780, so it’s got some grunt, but it’s manageable. The afternoon is glassy too, with a slight SSE breeze. This is the one to circle.

Sunday the 13th sees the wind swing to the NNW and get a bit stronger. The swell drops to 5ft, then 4ft. It’s still clean, but the energy is way down. The quality starts to fade into the early part of the next week.

Monday the 14th is small, with a 3ft to 2ft swell. The wind is offshore, but it’s a bit of a fresh breeze. The energy is low, below 400. Not much to write home about.

Tuesday the 15th brings a bit of a pick-up, with a 7ft swell in the morning and a 6ft in the afternoon. The wind is cross-off, so it’s clean, and the energy is back up to 1413. It’s a solid option for the experienced crew.

Wednesday the 16th and Thursday the 17th are a mixed bag. The swell holds around 5ft to 6ft, but the wind is cross-shore or cross-onshore, creating some ripples. Not ideal. Thursday afternoon does glass off, with a 5ft swell and a 14-second period, which is a nice chance for a late session.

Now, here’s the real standout of the whole outlook. Sunday the 20th of September through to Monday the 21st of September. Sunday afternoon sees an 12ft swell from the SW, with a 16-second period, and a moderate offshore wind. The energy is 5201. It’s excellent for experts. Monday the 21st is even better. Morning is an 12ft swell from the SW with a 17-second period, a light offshore wind, and a combined energy of 6062. The afternoon is still 10ft with a 16-second period and a gentle cross-off breeze. This is the big one. The second weekend is the target.

The final week tails off a bit. Tuesday the 22nd has a 8ft swell but the wind is cross-shore, creating a chop. Not the best. Wednesday the 23rd is a nicer end to the run, with a 5ft to 4ft swell and a clean offshore wind.

So, to wrap it up: Saturday the 12th of September is your best bet for the first week, with glassy conditions and a solid 7ft SW swell. But the real prize is Sunday the 20th and Monday the 21st of September, with big, clean, powerful swell from the SW. That’s the one to plan for.

Rusty.

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