Onjuku Surf Forecast and Surf Report

Alright, Rusty here, let’s talk about what’s on the table for the next couple of weeks.

We’re looking at a pretty quiet start, but don’t write it off just yet. The water is sitting at 82°F at Onjuku, which is a touch warmer than normal for this time of year, so you can leave the thick steamer at home.

The first few days are a bit of a write-off. Thursday the 27th kicks off with messy cross-onshore winds and weak, choppy surf – not worth paddling out for. Friday the 28th isn’t much better, with a bumpy wind swell swinging in from the SW around 5ft, but the period is a short 6 seconds, so it’s all chop and no shape. Saturday and Sunday the 30th are tiny, with only 2ft on offer, though Sunday morning does see a little clean-up with a light cross-offshore breeze.

Monday the 31st is where things start to look up. The morning is still small, but by the afternoon we get a clean 2ft swell from the south with light offshore winds. The wave energy is moderate (242) and the conditions are clean. It’s not a standout, but it’s a solid sign of life.

The real standout window opens on Friday the 4th of September. After a rough morning with strong onshore winds and a messy 8ft swell, the afternoon flips completely. The wind swings to a light cross-offshore from the NW, and the swell settles to 8ft from the SSE, clean and powerful. The wave energy is strong (1197) and the rating is excellent for experienced surfers. This is the one to circle. It’s too big for beginners, but if you’ve got the skills, this is the best session of the forecast.

After that, we get a few days of solid, clean conditions but with average wave quality. Saturday the 5th and Sunday the 6th hold 6ft to 8ft swell from the SSE and S, with clean offshore winds, but the surf is marginal due to tide or swell shape. Not a write-off, but not the standout.

The next true highlight lands on Tuesday the 8th of September. The morning is glassy, with zero wind and a clean 7ft swell from the south. The wave energy is strong (1180) and the conditions are described as excellent for experienced surfers. This is another top-tier session, but again, it’s big and best left to the crew who know what they’re doing.

After that, the wind turns ugly. From Wednesday the 9th through to Friday the 11th, we’re looking at strong onshore winds, messy cross-onshore conditions, and dropping swell quality. The waves are still around 5ft to 8ft, but the wind is chewing them up. It’s a frustrating end to the run.

So, bottom line: if you’re keen, target the afternoon of Friday the 4th of September and the glassy morning of Tuesday the 8th of September. Those are your two best shots. The rest is either too small, too windy, or just average.

Rusty.

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