Onrus Surf Forecast and Surf Report

Alright, Rusty here.

Right now, Onrus is pretty flat and not worth paddling out for. We’ve got a blank run from today straight through to early next week. The swell is there, but the wind is just trashing it. We’re looking at a stretch of poor conditions up until Thursday the 27th of August, so sit tight for a few days.

The first real window opens up on Thursday the 27th of August morning. It’s not going to be huge, but it’ll be clean. The wind goes glassy – a light WNW breeze, just a whisper. We’ve got a 4.6ft SSW swell rolling in with an 11-second period, and the combined energy is moderate at 831. The water temp is sitting at 59.0°F, which is about average for this time of year. The rip at Onrus is a reef break, so that longer period should wrap in nicely. If you can get out, Thursday morning and afternoon both look glassy and fun, even if the size is modest.

Friday the 28th drops off pretty quick, turning marginal and onshore. Not worth it.

Now check this out: Saturday the 29th of August morning, the wind turns offshore out of the NW at 15 mph. We’ve got a 3.3ft WSW groundswell, period of 13 seconds, clean lines. The energy is light at 512, but with clean offshore wind on a reef, it’ll be a fun little session, uncrowded likely. This could be a sneaky good, small-wave morning. Saturday afternoon gets a bit more size, 8.2ft, but the period drops to 7 seconds – short period windswell – and the wind cranks to 25 mph. Hard to paddle into, that one.

The real standout, the one you should circle on your calendar, is Monday the 31st of August morning. Moderate offshore wind from the NW at 12 mph, a clean 7.9ft WSW swell with a 12-second period. Combined energy is strong at 2063. For a reef like Onrus, that’s quality. The sets will have push, the faces will be clean, and the crowd will be manageable. This is excellent for experienced surfers.

Tuesday the 1st of September morning keeps that quality going with 8.2ft at 10 seconds, still offshore. From Tuesday afternoon onwards, the swell just keeps pumping, but it gets too big for Onrus. By Wednesday the 2nd, we’re looking at 11.5ft to 13.1ft swell – that’s expert-only territory, and the system is cranking. The energy figures go through the roof, hitting 3993 and 4573. If you’re a competent charger, that’s a serious push, but for everyone else, it’s going to be a washing machine.

Towards the end of the second week, Saturday the 5th of September morning looks ridiculous for size – 14.8ft SW groundswell at 15 seconds, combined energy of 9717 – but again, way too big for this break. Sunday the 6th gets messy with onshore wind.

So, to cut it short: skip the first few days, get on Thursday 27th for the glassy clean-up, but the true standout is Monday 31st August morning. That’s your session. Later in the week, it gets too big unless you’re a real charger.

Read more