Harbor Entrance at Eureka Surf Forecast and Surf Report

Alright, folks, let's talk about the surf outlook for the Harbor Entrance at Eureka. It's a bit of a mixed bag, but there are a couple of windows worth keeping an eye on.

The pattern starts with a bit of a pulse of swell from the northwest, but the winds are messing things up. The water temp here is sitting at 57°, which is pretty much what you'd expect for this time of year, nothing unusual.

The first real chance to get wet that’s worth talking about is a top call on Wednesday, September 9th, in the afternoon. It’s tiny, just 2ft of swell from the southwest, but the period is a whopping 19 seconds – that’s proper groundswell energy. The real winner here is the glassy wind. For a break like this, that’s pure gold. The combined swell energy is moderate at 264.

Then, the following day, Thursday, September 10th, the afternoon session looks even better. The swell is still small, 3ft from the southwest, but with that same long, 17-second period. The wind is dead calm, glassy as a mirror. The combined energy jumps up to 676. This is a proper standout for the clean conditions. The longer period means there’ll be proper gaps between the sets, but at a harbor entrance, that should be manageable.

After that, there’s a bit of a lull in quality, but another good window opens up on Saturday, September 12th, in the morning. Again, 3ft from the southwest, 14-second period, and glassy conditions. The combined energy is 514. It’s a repeat of the same clean, small swell recipe.

Keep in mind, this is a spot for advanced surfers only, and it can get busy. After that first week, the second week looks a bit more promising in size, but the wind is less reliable. On Tuesday, September 15th, the morning shows a solid 5ft from the north-northwest, with a 10-second period. The combined energy is strong at 1076, but the wind is onshore. It's a promising one for the long range, but less certain.

The bigger swells later in the second week, like Friday, September 18th, push 8ft from the northwest, but these are for experts only. The combined energy is strong (985), but the conditions are marginal.

So, overall, the standout sessions are the glassy, small, long-period groundswell windows on the 9th, 10th, and 12th of September. Get on them while the wind is good.

Rusty.

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