Dumbea Left Surf Forecast and Surf Report

Right, let’s have a look at what’s cookin’ for Dumbea Left over the next couple of weeks. To be straight up with ya, the first few days are a bit of a write-off. The wind is all over the place—strong onshore and cross-shore breezes are just mashin’ up what little swell there is. Late on Thursday 13 August, we’ve got a small 3 ft SSW swell rollin’ in, but with a moderate breeze blowin’ straight on, it’s poor out there. The water temp is sittin’ at about 72°, which is pretty much normal for this time of year, so no surprises there.

Friday 14 and Saturday 15 August aren’t much better. The swell picks up to 5 ft from the SSW, but the wind stays cross or cross-on from the south and SSE, making the surface messy and chopped up. The combined wave energy is moderate at best (835 to 878), so it’s a lot of work for not much reward.

Sunday 16 August brings a bit more size—5 ft to 6 ft SSW swell—and the period jumps up to 15–16 seconds. That’s proper groundswell energy, and the combined energy is now gettin’ strong (1582 to 1988). But here’s the rub: that long period stuff can make a reef break like Dumbea Left a bit too straight and fast. And with a fresh 22 mph cross-wind on Sunday arvo, it’s lumpy. Still, Monday 17 August morning is the first real glimmer. We’ve got 6 ft SSW swell, strong energy (1891), and importantly, a cross-offshore ESE breeze at 25 mph keepin’ things clean. The period’s still long at 16 seconds, so expect those set waves to have real punch. Good for experienced crew only.

Then the wind really messes with us again Monday afternoon and Tuesday. But Tuesday 18 August morning sees a shift: swell direction swings to SSE, 8 ft, with 9-second period and a cross-off ESE breeze. That’s a bit more manageable, and the combined energy is a massive 2140. The clean cross-off wind makes it look pretty tidy for stronger surfers. Wednesday 19 August pushes up to 10 ft from the SE, with a fresh cross-off breeze keepin’ it clean—this is the biggest swell of the forecast and only for experts, with energy at 1871. There are rain showers about, but the surf itself is on.

From Thursday 20 August through to Saturday 22 August, the swell drops back to 7–7 ft from the ESE and SE, with clean cross-off winds, but the period is shorter (8–9 seconds). The combined energy is moderate to strong, though by Saturday it’s tappin’ off. The wind gets strong again on Saturday arvo, so don’t count on it.

Sunday 23 August is the one to watch. The swell is small, 4–4 ft from the SE/ESE, but the wind goes light—only 9 mph from the east, cross-off, keepin’ it glassy clean. The combined energy is weak (267–272), but this is as user-friendly as it gets for this spot over the whole window. The period is still short (7–8 seconds), so it won’t be super high quality, but for a clean, mellow session, you could do a lot worse.

After that, from Monday 24 August, the swell just fades away to tiny ankle-biters, with dirty onshore and cross-shore winds. There’s a little pulse on 26 August (5 ft SW) but the wind is messy again. The last real hope is Friday 28 August morning: barely 2 ft from the SSW, but with glassy conditions and a very long 18-second period. That could produce a few clean, fun little waves for those who know the reef. Energy is weak at 304, but the feel is special.

Overall, there’s no classic standout here. The best mix of size, clean wind, and an open window is probably Tuesday 18 August morning (8 ft SE, cross-off). But if you want the most relaxed surf in clean conditions, aim for Sunday 23 August. On the bigger days, this is strictly for the advanced crew—lots of strong energy and long period swells that need respect. Crowds can be a problem at Dumbea Left sometimes, so keep that in mind.

Rusty.

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