Rivermouth_Wailuku Surf Forecast and Surf Report

Alright folks, Rusty here. Let’s get straight into it. For the next 16 days, we’ve got one spot on the radar: Rivermouth_Wailuku. It’s a reef setup, and it’s our only option, so let’s see what’s cooking.

Right off the bat, the first week is a write-off. From Thursday the 23rd of July right through to Wednesday the 29th, it’s a total bust. The wind is locked in from the ENE, blowing cross-onshore at 12 to 16 mph, and the swell is a short-period, choppy mess. The water temperature is sitting at 80°, which is pretty much dead average for this time of year. The wave energy is moderate at best, climbing from 211 to 413 on the 25th, but the wind ruins it. Tons of energy on the 27th with a reading of 1255, but again, it’s messy. Don’t even think about paddling out.

Now, there’s a slight glimmer Thursday the 30th of July. The wind swings SE at 6 mph, goes cross-offshore, and the conditions turn clean. The swell is 5 ft from the E at 8 seconds, coming in at 515 energy. The notes say “expect very good surf conditions,” but the score is just a 1. It’s a short window, and the morning might be worth a look if you’re desperate. The afternoon turns to chop again, so hit it early.

But the real standout? You have to wait for it. The best bet in this whole 16-day period is Monday the 3rd of August. The swell is 3 ft from the E, but get this – the period is 16 seconds. That’s a very long-period groundswell. The energy is strong at 913. The wind is still cross-onshore from the ENE at 12 mph, which is a shame, but for a reef break like Rivermouth_Wailuku, that long period could mean some proper lines. The water will still be warm and average. It’s not perfect, but it’s the closest thing to a decent session we have. Just keep an eye on the wind forecast as we get closer.

After that, the 4th and 5th of August show some size (5 ft to 6 ft) but the cross-onshore wind returns. The 7th of August is the same story – 5 ft from the ENE with a short period and cross-onshore wind. It’s a frustrating run.

Overall, if you’re a surfer, this is a tough stretch. The wind is just never your friend. The only real half-decent opportunity is the morning of the 30th of July, and the long-period swell on the 3rd of August is the most promising of the lot, but it’s a long way out and uncertain. Hang tight, and check the forecasts again. This is Rivermouth_Wailuku we’re talking about – it’s fairly consistent, so it won’t stay this poor forever.

Rusty.

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