Onjuku Surf Forecast and Surf Report

G’day, this is Rusty with your surf outlook for Onjuku. We’ve got a bit of a slow start, but don’t write it off – there’s some solid potential later on, especially for the experienced crew.

Right now, the water’s running a bit colder than usual at 73°, about 3° off the long-term average, so a decent thick wetsuit is a good call.

The first real chance to paddle out hits Wednesday morning, July 8. Onjuku’s pulling in a solid 7ft SE groundswell with a very long 16-second period from a deep ocean source. That’s a heap of energy coming through – 2473 (moderate to strong). The wind’s light and cross-off from the ENE at 6 mph, keeping the surface clean. This is good, powerful surf, but the size and grunt mean it’s best left to experienced surfers. Beginners should sit this one out.

The afternoon eases a touch with the same 7ft SE swell, still decent at 15 seconds, but the wind swings cross-shore and the tide gets a bit tricky – it’s more of a marginal call.

Thursday and Friday are a bit of a write-off. The swell hangs around 5ft to 7ft but the wind turns onshore, chopping things up. By Saturday and Sunday, July 12 and 13, it drops away quickly – down to 3ft or less and messy. Expect a quiet patch from late Sunday through the middle of the following week with some tiny, weak, and choppy surf.

Now, here’s where it gets interesting. Thursday morning, July 16 brings a fresh pulse: 5ft SE swell with a 12-second period, and the wind swings to a light cross-off from the ENE again. The energy’s moderate (702) but the conditions are clean, and it’s a nice, manageable size for intermediates. A good session for a quick fix.

The real standout, though, rolls in on Saturday morning, July 18. Onjuku picks up a clean 7ft SE groundswell (13 seconds) with a gentle offshore breeze from the NNE. The combined energy is beefy at 1559 (moderate). The wind is light, the lines are clean, and the swell’s got enough punch for some solid walls. This is arguably the best overlap of size and quality you’ll see in the whole run, though the water may still be feeling a bit cooler than average. Expect a decent crowd – it’s a popular spot when it’s good.

Sunday morning, July 19, the swell bumps up to 10ft SE with a 15-second period and a light cross-off breeze. That’s a big, powerful groundswell with 3273 in energy. This is expert territory – too much wave for anyone without serious skills. It’s clean, but you need to know what you’re doing.

From Sunday afternoon through Monday, July 20, the swell jumps to 13ft to 15ft. That’s enormous, and while the wind is light, the forecast suggests it’s simply too big for this break. That kind of energy (8933) will close out the beach and turn it into a washing machine. Not recommended for paddle surfing – might be more of a kite-surfing show if you’ve got the gear.

The final week sees Onjuku settling back. Wednesday morning, July 22 looks promising with 6ft SE swell, a glassy 11-second period, and glassy conditions – clean and inviting for a decent session. Thursday, July 23 sees another spike to 12ft and 10ft, but again those are big numbers and the onshore wind might make it a tough call for all but the most experienced.

All up, the pick of the period is Saturday morning, July 18. Good size, clean conditions, and plenty of power. If that’s too far out, Thursday morning, July 16 is a solid fallback.

Stay safe out there.

Rusty

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