Kua Bay Surf Forecast and Surf Report

Alright, Rusty here, breaking it down for the Kua Bay crew.

From the jump, it’s a flat spell. Kua Bay is barely showing a pulse through the first two weeks. The water is sitting around 82°, which is a degree warmer than normal for this time of year, so the ocean feels like a warm tub, just without any waves to play in.

Saturday, August 29th through Thursday, September 3rd is a dead zone. Glassy mornings and flat afternoons. Winds are light, skies clear or partly cloudy, but there is absolutely no swell to speak of.

We get a small kick on Friday morning, September 4th – a 3ft, short-period north-northeast swell. But the wind is cross-onshore, and the combined energy is weak (45). Choppy and messy. Not worth suiting up.

Another little pulse shows up Sunday, September 6th – 3ft southwest swell with a period of just 5 seconds. That’s pure windswell, sloppy and weak (26), with a cross-onshore breeze. Leave the board at home.

The first hint of something better arrives on Wednesday, September 10th afternoon. A 2ft west swell at 14 seconds gives moderate wave energy (106), but the light cross-onshore wind messes with the surface. Still poor conditions.

Friday, September 11th is the one to maybe squint at. Still tiny at 2ft from the west, but the period stays long (13–14 secs). The wind goes offshore in the morning and then glassy in the afternoon. It’s described as “surfable waves but very ordinary conditions,” and for Kua Bay, that’s the best on offer. Crowds are “sometimes,” so you might have company, but the wave quality is barely a 1 out of 10.

The final weekend, Saturday, September 13th into Sunday, September 14th, sees a slight bump in combined energy (148 on Sunday morning), with a 2ft west swell at 14 seconds. But the wind is cross-onshore in the morning, and a risk of thunderstorms with gusty cross-offshore in the afternoon. Not great.

Bottom line: there’s no standout session in this entire 16-day stretch. The pattern is consistently poor swell and weak waves. The only window with clean-ish conditions is Friday, September 11th, but it’s still tiny. For beginners, the size never goes over 5ft, so it’s safe. For anyone else, it’s a long flat spell with just a few tiny ripples.

Rusty.

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