Monabe Rivermouth Surf Forecast and Surf Report

Alright, Rusty here. Let’s talk about what’s coming up at Monabe Rivermouth.

Right now, there’s barely a ripple. The whole first week is pretty flat or ordinary, but we do have a couple of real standouts building for the second week. The water temp is sitting at 86°, which is much warmer than normal for this time of year, so you’ll be sweating in your wettie if you wear one at all.

The first surf worth paddling for is Thursday morning, 3rd September. It’s tiny with 3ft from the SSE, period only 8 seconds, and the combined energy is weak at 271. Glassy wind though, so it’s clean but barely surfable. Afternoon picks up to 5ft, SSE, period 10 seconds, energy moderate at 471, still glassy, but it’s just not doing much.

Friday the 4th has a bit more size: morning 6ft from the S, period 10 seconds, energy 712, with offshore NNE wind at 6 mph, so clean. Afternoon holds at 6ft, same direction, wind picks to 12 mph offshore, but heavy rain will be your company. Still, clean waves. Saturday morning the 5th drops to 4ft from the ENE, 8 seconds, energy 354, light offshore N wind—clean but small.

Now for the standout. Sunday the 6th is where it gets real. Morning sees 8ft from the E, period 9 seconds, energy 977 – that’s moderate but getting strong. Offshore N wind at 3 mph, clean. Then Sunday afternoon it jumps: 10ft from the E, period 10 seconds, energy 1668 – strong energy. Light cross-offshore wind, still clean. This is the best of the first week, but it’s solidly in expert territory at 10ft. If you’re intermediate, stick to the morning.

Monday the 7th keeps the energy going: morning 10ft from the E, period 10 seconds, energy 1808, offshore N wind 6 mph, clean. Afternoon drops a little to 8ft, same direction, still clean. Big, powerful, but only for the experienced.

After that, Tuesday the 8th through to Saturday the 13th is a long run of surfable but ordinary conditions – waist to chest high, clean or glassy, but nothing special. Energy numbers hover in the 300–700 range. Crowds are sometimes an issue here, so that mid-period might be quiet.

The next true standout is Wednesday the 16th. Morning: 12ft from the SSE, period 9 seconds, energy 1732, glassy with no wind. That’s expert level, clean, powerful. But the afternoon – hold onto your board – 15ft from the S, period 12 seconds, energy 5728. That’s very strong energy, a long period groundswell, and glassy conditions. This is an excellent session for experienced surfers only. The period is long, so at a river mouth, it’ll hold its shape nicely. If you’re not expert, stay on the sand.

Thursday the 17th drops back to 5ft, and by Friday the 18th it’s flat again.

Overall, the best on offer is Sunday the 6th afternoon and Wednesday the 16th afternoon. The 16th is the real standout – biggest swell, longest period, glassy, and serious energy. The early stuff is just filler.

Stay safe out there.

- Rusty

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