Marengo Surf Forecast and Surf Report

Alright, let’s talk about the surf ahead. The long-range picture for Marengo is a slow burn, but there’s some serious size lurking a week out. This is a reef and point set-up that loves a good SW groundswell, and when it all lines up, it’s a sight to see. The water temp is sitting at 57°F, which is about average for this time of year, so a good hood is still your best mate.

We start off quiet. Wednesday afternoon is a write-off, with showers and 6ft of SW swell but only 14 seconds of period. It’s there, but it’s not doing much. The energy is moderate at 1457, but the wind is a moderate offshore, so it might be clean but underwhelming. Thursday and Friday are pretty grim too, with small, weak swell and cross-off winds that aren't doing anyone any favors. It’s a flat spell, really. The first few days are a bit of a tease, just waiting for something to happen.

The first real sign of life comes on Saturday the 10th. The morning has a fresh offshore blowing and 6ft of SW swell at 18 seconds, the energy is ramping up to 2766. It’s a decent option for the more experienced crew. But the standout is that afternoon. The swell jumps to 12ft, the period is still solid at 17 seconds, and the energy is pumping at 8600. That’s moderate-to-strong energy, and with a moderate offshore wind, it’s going to be a proper session for experts only. This is the first true standout of the window.

Then it gets a bit wild. The swell eases back a touch for the 11th, and then on Wednesday the 12th, it’s back on. Morning has 10ft at 18 seconds with a fresh offshore, and the afternoon pushes to 12ft. It’s a big, powerful swell, but the wind is fresh, so it’s going to be a battle. It’s rated as a good option, but it’s for the strong paddlers.

Now, for the big one. Thursday the 13th. The morning forecast is huge. We’re talking 25ft of SW swell. That’s a monster. The combined energy is off the charts at 43643, which is very strong. But the call is that it's simply too big for this break, even with favorable wind. It will be a washing machine. The afternoon settles down to a still-massive 15ft at 18 seconds, with a gentle offshore breeze. The energy is still through the roof at 10917, and the word is “exceptional” for experts. This is the standout of the whole forecast. If you're a charger and you know Marengo, this is the window you've been waiting for. It’s a long-period groundswell, so it’s going to be powerful and lined up on the reef.

The week after that settles into a run of solid, clean surf. Friday the 14th has 10ft in the morning and 8ft in the afternoon, with clean offshore winds. Saturday the 15th is similar, with 10ft waves and light winds, looking really good. Even Sunday morning the 16th, with 6ft of swell and a glassy, calm ocean, will be a fun, clean session before the onshores arrive later in the day. It stays rideable for the next few days, with a mix of cross-off and cross-shore winds, but nothing else comes close to that Thursday.

If you’re not an expert, watch out for the 10th, 12th, and especially the 13th. That’s charger territory. For everyone else, the 15th and 16th mornings look like the most user-friendly windows with clean conditions and solid, manageable waves.

Rusty

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