Hanamizu River Surf Forecast and Surf Report

Alright folks, Rusty here. Let’s have a look at what Hanamizu River has cookin’ over the next couple of weeks. Gotta be honest, this one’s a slow burner. The first week and a half is pretty much a write-off for any kind of decent surf. We’re lookin’ at tiny, weak swell and mostly poor conditions. From Thursday the 10th through to Thursday the 17th, every session is flagged as poor. It’s a real flat spell, so don’t rush down there with your board just yet.

Water temp is runnin’ a touch warmer than normal for this time of year, coming in at 82°F, so at least you won’t be freezin’ while you’re starin’ at flat water.

Now, things start to get interesting come Friday the 18th of September. We see a jump in swell, but it’s only a marginal call with questionable tide. Not the day to get excited. The real standout window opens on Saturday the 19th of September. It’s still over a week away, so keep that in mind, but the forecast is promising. Hanamizu River is a beach/sandbar setup, and the swell direction (SSE) is lining up with what it likes (SE). Saturday morning we’re lookin’ at a solid 6ft swell from the SSE, with a long period of 15 seconds – that’s proper groundswell energy (combined energy of 1692). And the wind? Glassy. That’s the dream team for clean waves. It’s a bit much for beginners – over 5ft – but for anyone with a bit of experience, this is the call. The afternoon holds similar size at 7ft and glassy conditions. Crowds are listed as sometimes, so you might have some company.

Sunday the 20th keeps the quality high. Morning starts with a 7ft swell from the S, still with that lovely 15-second period and glassy, calm winds (combined energy of 2226). The afternoon gets a touch of cross-on wind, so the morning is the better window. This swell is getting up there in size for this break, so it’s one for the experienced crew.

Monday the 21st looks like the absolute peak. The swell is 8ft from the SSW with a very long period of 16 seconds, and combined energy is through the roof at 3529. Both morning and afternoon are glassy. That’s big, clean, powerful groundswell. This is only for expert surfers; 8ft is no joke, especially at a beach/sandbar where a long-period swell can close out. It’ll be better if there’s a defined channel, but the quality of the conditions is undeniable.

Tuesday the 22nd pushes into giant territory. The swell is predicted at 13ft to 16ft. Even with glassy conditions, that’s too big for Hanamizu River to handle properly. The forecast even says so. Give that one a miss.

After that, the swell drops off fast. Wednesday the 23rd gets messy with strong stormy winds, and we’re back to tiny, ordinary waves from Thursday the 24th onwards. So your window is clear – if you can wait, point your car at Hanamizu River for the 19th, 20th, or 21st of September. Sunday the 20th morning looks like the sweet spot for a classic, clean session with plenty of push behind it.

Rusty.

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