Hanamizu River Surf Forecast and Surf Report

Alright, let’s talk about Hanamizu River. It’s a beach-and-sandbar setup, fairly exposed, and the best swell direction is from the southeast. Right now, the water’s sitting at 81°, which is pretty much normal for this time of year – no crazy anomaly to worry about.

Honestly, the whole 16-day window looks pretty grim for a proper paddle session. There’s a bit of swell early on, but the conditions are just not cooperating. It’s a long stretch of poor surf.

The biggest pulse comes in on Wednesday, August 5th, with a solid 7ft swell from the SSE, and a very long period of 15 seconds. The combined energy is a massive 2119, which is strong. But here’s the kicker – the wind is a cross-onshore breeze at 9 mph, making it fairly choppy. The score reflects that it’s marginal. That long-period groundswell is better suited for a point or reef, but at a beach sandbar, it can tend to close out straight. Still, if you’re desperate, that’s the biggest lump of the week.

Thursday the 6th drops to 6ft, still from the SSE, but the wind is cross-onshore and the conditions are described as choppy. Not looking good.

Friday the 7th morning shows a slight improvement with an offshore wind from the SE, but the swell is still 6ft and the overall situation is still called marginal. By the afternoon, the wind swings back to cross-onshore and the surf is considered poor.

From Saturday the 9th onward, the swell drops fast. We’re looking at 3ft and smaller, with the combined energy dropping into the hundreds and then the tens. The wind is often cross-off or clean, but there’s just no power in the water. The entire middle of the window, from around August 9th through to August 19th, is a real write-off – days and days of tiny, weak surf with poor conditions. You’d be better off with a longboard, if anything.

The only other faint glimmer is on Thursday, August 20th, when the swell starts to build again. The morning shows a 3ft swell from the south with a 13-second period, and the wind is cross-off and clean. The combined energy is 598. By the afternoon, it builds to 5ft, still from the south, with a light cross-onshore breeze. It’s still only rated as marginal. It’s something to watch, but it’s a long way off and far from certain.

There’s nothing here that’s a true standout. If you had to pick a session, the biggest swell is on the 5th, but with that wind and the long period, it’s a gamble. The morning of the 7th has the best wind, but the swell is smaller. For the rest of it, the setup looks more interesting for a kite surfer than a paddle surfer, given the strong, clean cross-off winds we get later in the period with no swell to match.

Rusty.

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