Kugenuma Rivermouth Surf Forecast and Surf Report

Alright folks, Rusty here. Let’s have a look at what’s on the table for the Kugenuma Rivermouth stretch over the next couple of weeks.

Honestly, I gotta be straight with you—this is a tough one. We’re looking at a real dry spell. The surf just isn’t showing up with any real poke. The first few days are a write-off with only small, weak swell and cross-onshore winds messing things up. The combined energy sits in the moderate range early on, like 768 on Friday the 7th, but it’s all cross-on and choppy, so it’s not a goer. That drops off fast into the weekend, with readings down around 100–300, and the wind is just not playing ball.

You’ll see a few windows where it cleans up, like Sunday morning, August 9th, with a light east wind going cross-off, but the swell is tiny—only 2ft from the SSW. It’s surfable, but only just, and it’s very ordinary. The water temp is about average for the time of year, sitting at 80°, so no surprises there.

The next real chance of anything decent comes on the 21st of August, a week and a half away. That Friday morning, we’ve got a pulse of 3ft swell from the south, with a short period of 8 seconds, and combined energy bumping up to 151. The wind is light and cross-shore, so it might be rideable, but it’s still poor quality. The afternoon is onshore again, so you’d want to be out early.

For the Kugenuma Rivermouth, the optimum swell direction is from the south, which matches what we see, but the size never gets beyond a foot or two, and the period is too short for any real power. This is a beginner-friendly spot, so if you’re learning, you might get a few soft, crumbly waves on the 21st morning, but there’s no standout session here. The long-range stuff is just too small and inconsistent to get excited about.

In short, leave the board in the car for now. The setup looks more interesting for kite surfing than proper paddle surfing on the days with more wind. Things could change, but for now, it’s a long wait.

Rusty.

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