Shipwrecks (Nusa Lembongan) Surf Forecast and Surf Report

G’day, Rusty here, checking in from right here in the lineup at Shipwrecks (Nusa Lembongan). We’ve got a proper run of surf coming our way over the next 16 days, and while it kicks off a bit smaller, there are some absolute guns on the horizon. The water’s sitting at 81° – that’s about average for this time of year, so no surprises there.

Right now, starting Friday morning the 28th of August, we’re into it with a clean 7ft swell from the SSW, a solid 16-second period, and a gentle offshore breeze from the SE. The combined energy is pumping at 2669 (moderate to strong) – this is excellent but it’s for the experienced crew only, as it’s over 5ft. This swell is a proper groundswell, so at a reef setup like Shipwrecks, the long period will give you long, clean walls. Friday afternoon stays clean at 7ft, with cross-off wind.

Saturday the 29th sees a drop to 6ft SSW at 15 seconds, still clean with light cross-off winds. Energy is down to 1230 (moderate) – still very good waves, just not as thumping. Sunday the 30th eases further to 4ft, but with a gentle offshore from the SE it’ll be clean and fun, with combined energy around 739 (weak to moderate).

Monday the 31st is interesting: morning is a smaller 4ft but with a very long 18-second period from the SW, and it’s moderate offshore from the ESE. Combined energy is 974 (moderate). That long period swell will really shine here on the reef. Afternoon picks up a touch to 5ft and gets a cross-off wind.

Tuesday the 1st of September marks a return to size: 6ft morning and 6ft afternoon, both from the SW, 17–18 second period, and steady offshore from the SE. Energy jumps back into strong territory at 2001 and 1663. This is for the advanced crew again.

Wednesday the 2nd holds at 5ft SW with a 16-second period, solid offshore in the morning – very good, strong energy at 1436. Afternoon goes cross-off and gets a “questionable tide” note, so time it for the morning.

We ease through the 3rd to the 6th with smaller waves, mostly 3ft to 5ft, cross-off winds, and mixed quality. Nothing to get excited about there – it’s a bit of a flat patch.

But hold on – Monday the 7th of September fires back: 6ft SSW, 16-second period, gentle offshore from the SE, energy at 1777 (strong). Excellent conditions for experienced surfers. It’s the best session of that week.

Then the real standout arrives. Friday the 11th of September – Friday afternoon pumps to 10ft from the SSW with an 18-second period. Combined energy is a massive 6026 (very strong). That is proper groundswell, and for a reef like Shipwrecks, that’s going to be big, deep, and for experts only. Saturday the 12th holds at 10ft in the morning and 8ft in the afternoon, both with 17-second periods and cross-off winds. Energy stays well over 3700. That weekend is the highlight of the whole outlook – massive, clean, long-period groundswell.

Crowds at Shipwrecks are possible (listed as “sometimes”), so on that big Friday and Saturday, expect company.

Right now, the best on offer is Friday the 11th of September afternoon and Saturday the 12th morning – that’s your window for the big, clean, powerful stuff. Don’t sleep on it.

Rusty.

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