Waimea Rivermouth Surf Forecast and Surf Report

Alright, Rusty here. Let's dive into what Waimea Rivermouth’s got cookin' for the next couple weeks.

Alright, so we're lookin' at a bit of a slow burn to start. There's a little window of clean, rideable waves starting Thursday the 16th through the weekend, nothing huge though. The real standout energy is gonna show up later. We’ve got a couple of dates circled on the calendar that look proper.

The early action from Thursday the 16th through Sunday the 19th stays pretty mellow, with waves mostly around 2ft to 3ft, but the quality is there. Light offshore breezes keep things tidy. It’s that perfect beginner-friendly size, nothing to scare you off. The water temp is sittin' at 80°, right on the money for this time of year.

Now, the first real standout to get excited about is Monday the 20th. We’re talkin' glassy conditions early with a clean long-period groundswell from the South, right around 2ft. It’s tiny, but when it’s that glassy and the swell direction lines up for the river mouth, it can be a dream. The combined wave energy (285) is moderate but those long 16-second intervals will bring some real nice lines through.

The best of the best though? That’s Wednesday the 22nd afternoon and then Friday the 24th. On Wednesday afternoon, a long-period SSW groundswell at 2ft with a 23-second period lights it up. The combined energy is a strong 536, but that’s a *very* long period. That will make the waves stand up tall and reel down the bank, but expect lulls between sets. The wind stays light and clean out of the East.

Then Friday the 24th is the keeper. Glassy conditions in the morning and afternoon, with a touch bigger swell at 2-3ft from the SSW. The periods are still a juicy 18 seconds, and the combined energy jumps to a potent 833 to 906. That’s the session you wait for. Just keep in mind, with that longer period, the Rivermouth can handle it better than a straight beach break, so it should be organized. Crowds are a possibility here, so get in early.

After that, we get a stretch of more of the same mixed-quality stuff into the second week. There’s a glassy window on Sunday the 26th afternoon with 3ft SSW swell (534 combined energy), and again Monday the 27th afternoon goes glassy with 3ft SSW. The consistency isn't always there on the wind, so you gotta pick your moments.

We hit another little bump of short-period E swell on the 29th and 30th, but the period drops to 6-7 seconds. That’s gonna be choppy and crumbly, more of a mess than anything special.

So bottom line: if you want the best of this forecast, lock in Friday the 24th for a truly special glassy session. Wednesday the 22nd afternoon is the runner-up. The rest is small but fun for a beginner or a longboard if the wind plays nice.

– Rusty

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