Porto Batel Surf Forecast and Surf Report

Alright folks, let’s talk about the stretch ahead. It’s gonna be a game of patience for the next week or so, but there’s a real payoff waiting for us if we can hold out.

The Overall Picture

The next few days are going to be a bit of a grind. We’ve got some swell around, but the winds are mostly cross-offshore and the periods are short, which usually means lumpy, weak surf. The energy in the water is moderate, but it’s not translating into anything with real push or shape. We’re looking at a lot of “ordinary” conditions, not the kind of thing that gets you out of bed before dawn.

Tuesday and Wednesday (Sept 1-2)

Tuesday kicks off with some chest to head-high lines (4 ft) out of the NW, but the period is a weak 9 seconds and the wind is a 16 mph cross-off. It’s not going to be clean. The energy is moderate (244 and 449) but it's just messy. Wednesday is much the same story, a bit smaller (4 ft) with a shorter period. You’d be fighting it more than surfing it.

Thursday through Saturday (Sept 3-5)

The swell drops off and so does the quality. We’re looking at small, weak waves (2 ft to 4 ft) with short periods. The energy really drops off here, down to weak levels (81 to 153). There’s a brief moment of offshore wind on Friday morning (NNE) with a clean 2 ft wave, but it’s just not enough to get excited about. This is a good window to sort out your gear or fix a fin.

Sunday and Monday (Sept 6-7)

Sunday is a write-off for surfing. The wind goes onshore and creates poor, choppy conditions. The energy is moderate (371 and 454) but it’s all for nothing with that wind. Monday morning looks better from a wind perspective, clean and cross-off, but the surf is still small (3 ft). It’s a “maybe” if you’re desperate, but nothing special.

The Mid-Range Promise (Sept 8-13)

The middle of the period is still inconsistent. We see a bump in energy around Tuesday Sept 8 (496), but it comes with a strong cross-off wind and a short period, making it marginal at best. Then it backs off again for a couple of days. There’s a glimmer on Sunday, September 13. The wind is light, the conditions are clean, and it’s a consistent chest-high wave (4 ft) from the NNW. That’s a good, fun, clean day, but it’s not the standout.

The Standout: Wednesday, September 16

Okay, this is the one we’ve been waiting for. Mark it on the calendar. On the morning of Wednesday, Sept 16, we finally get a proper groundswell. The swell height is 5 ft from the NW with a very long 13-second period. That long-period energy is what we want; it means power and shape. The energy in the water is very strong, with a combined reading of 1445. The wind is forecast to be glassy, which is as good as it gets.

This is when everything lines up for Porto Batel. The optimum swell direction is from the W, and while this is NW, it’s close enough to wrap in well. The combination of a long-period swell and glassy conditions will make this the clear standout of the entire outlook. It’s an intermediate-level wave at 5 ft, so it’s pushing a bit, but it will be clean and well-formed. This is the day to call in sick.

Rusty.

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