Aha Rivermouth Surf Forecast and Surf Report

Alright folks, Rusty here. Let’s get into it for this stretch of coast. We’ve got a long 16-day window to look at, but I’ll be straight with you – for the first several days, it’s a flat, quiet spell. No surf to speak of to start with, just tiny little wind bumps and glassy water but no real push. That’s the reality for a while, so don’t even bother paddling out until we get into the first week of August.

The only spot on the radar is Aha Rivermouth. It’s a beach and jetty setup, and it’s fairly consistent, so it does have life in it eventually. The water temperature is sitting at 86°F, which is a touch warmer than normal for this time of year – about 1°F above average, so nothing weird, just a nice warm bath.

Now, from Thursday the 30th of July right through to Saturday the 1st of August, it’s a total nothing. Swell is tiny, under 1 ft, with periods around 9 seconds, and the combined energy is just a piddly 9 to 30 (weak). Winds are light, sometimes glassy, but there’s no wave to ride. Forget it.

The first real sign of life shows up on Sunday the 2nd of August. The swell picks up to 1 ft, but the period jumps to 16 seconds – that’s a long period groundswell starting to roll in. The combined energy hits 105 (moderate). But the wind is cross-shore from the NW at 9 mph, so it’s not clean. Still, you can feel the ocean waking up. By Sunday afternoon, the swell is 2 ft with a 17-second period and energy of 222 (moderate). The wind goes cross-onshore though, so it’s a bit choppy. Not great yet.

Monday the 3rd of August is where it gets interesting. The swell builds to 4 ft in the morning, 5 ft in the afternoon, with a 17-second period. The energy jumps to 966 and then 1259 (strong). The swell is coming from the east. But the wind is cross-onshore from the north at 12 mph, making it choppy. The surf is marginal, but the size is there. This is a taste of what’s coming.

Tuesday the 4th of August sees the swell pump up to 6 ft in the morning and 7 ft in the afternoon, with an 18-second period. Energy is 2192 and 2672 (strong). That’s a proper groundswell. The wind is cross-onshore to onshore, so it’s rough. This is big, but it’s messy. For the more experienced crew, it might be a challenge, but the onshore wind is a real buzzkill.

Now, the standout for the period is Wednesday the 5th of August. The morning brings 10 ft swell from the east with an 18-second period, and the energy is a massive 6531 (very strong). By the afternoon it’s 13 ft with a 19-second period and energy of 10070 (very strong). That’s a serious amount of water moving. The wind is onshore to cross-onshore, but the sheer size and power are undeniable. However, at this size, over 8 ft, it’s only for experts. The jetty and rivermouth might offer some shelter, but the east swell direction is not ideal for this spot – it’s not the optimum direction (NE would be better). Still, for the brave, this is the biggest push of the window.

Thursday the 6th of August gets even bigger, with 18 ft to 20 ft swell and energy above 23,000 (very strong). But the wind is a severe gale to violent storm force. This is genuinely dangerous and not for surfing. It’s more of a kite-surfing or big-wave tow-in scenario, but even then, it’s extreme.

After that, the swell drops quickly. From Friday the 7th of August onward, the wind is strong offshore from the SSE, but the swell crashes down to 1 ft to 2 ft by the weekend. The energy is weak, and it’s back to poor conditions. The rest of the second week, from the 8th to the 14th of August, sees small, choppy east swell, with onshore winds ruining any chance of clean waves. It’s a long, quiet end to the run.

So, if you’re after the best on offer, it’s without a doubt Wednesday the 5th of August. The morning and afternoon are huge, powerful, and raw. But be warned: it’s big, the wind is messy, and it’s an expert-only day. The second best is Tuesday the 4th of August, with 6 ft to 7 ft east swell, but again, the wind is onshore. For the rest of the time, it’s a waiting game. The spot is fairly consistent, so it won’t stay this poor forever, but this window is a tough one.

Stay safe out there. Rusty.

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