Keaulanas Surf Forecast and Surf Report

Alright crew, Rusty here again, but in feet and fathoms for you. We’ve got a run of clean, glassy days ahead at Keaulanas that’ll have you grinning. This is a beach and reef set-up, wide open to the west, and the swell direction is right on the money for the bank.

Water temp is 27° – right on average for this time of year.

Starting Wednesday, Sept 9th, it’s a cracker. Morning glass, with a 3ft SSW swell at about 14 seconds. That’s a nice little groundswell, and the energy is moderate at 684. Dead clean. The afternoon stays clean with a slight cross-off north breeze, similar quality and energy around 530.

Thursday the 10th is smaller, around 2ft, but the period stretches to 16 then 18 seconds. That’s long-period groundswell, so the waits between sets are longer but the waves have a lot more push. Energy stays moderate. Clean, but the east wind picks up to cross-off. Friday and Saturday are more of the same – gorgeous long-period SW and SSW swell, with offshore and glassy mornings respectively. You get waves around 2ft to 3ft, but with periods up to 16 seconds, they’ll feel stronger.

Sunday the 13th and Monday the 14th are small and pretty ordinary. Waves drop to 2ft, energy is weak (130-163), but at least it’s clean. Then, the real standout: Tuesday September 15th. The morning is dead glassy with a 3ft SSW swell and a massive 20-second period. The energy is back up to 531 – moderate but building. That’s a long, long period groundswell, and on this reef it will line up beautifully. That’s the session to plan for.

Wednesday the 16th is nearly as good. Glassy again all day, 3ft SSW swell at 18 seconds, and energy jumps to 575. Clean and powerful.

Then the wind machine starts. From Thursday 17th through to the 20th, the trades build to 15-16 mph from the east. Swell holds around 3ft to 4ft, with energy peaking at 756 on Friday the 18th – strong stuff. But the strong cross-off winds make it messy. More for the kite crew than the paddle set. The period is still good at 16-17 seconds, but the surface is chopped.

Monday the 21st to Tuesday the 23rd is still breezy but cleaner. The 23rd has a good offshore morning with a 2ft SSW swell and 18-second period, energy moderate, but the wind is still 12-15 mph. The 24th is back to poor, cross-off and messy.

Your top pick is crystal clear: Tuesday September 15th. That glassy morning with the 20-second groundswell is a true stand-out. Wednesday the 16th is a close second. After that, it’s windy and on the decline.

Rusty.

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