San Juan Surf Forecast and Surf Report

Alright, this is Rusty here, and I’ve got to be straight with you about San Juan. Looking ahead over the next couple of weeks, the story is a tough one. We’re looking at a long, dry stretch of onshore winds and messy surf. It’s one of those spells where you might be better off tuning the board or going for a paddle in the harbour.

The first sign of any real surf doesn't show up until Sunday afternoon the 9th of August, but don't get excited. We’ve got a solid NNE wind blowing at 18.6 mph straight onshore. The swell is 5.2 ft from the NNE, with a short, weak period of 7 seconds. The combined energy is moderate at best (255), and with the wind hammering it, the wave comment says it all: poor surf conditions. That’s the story for the first week and a half. Day after day, the wind is coming from the N or NNE, often a fresh breeze, and the swell stays small and weak. There’s a brief flicker on Tuesday morning the 18th of August, with the swell period stretching out to 9 seconds and a 4.3 ft swell from the N, but the wind is still onshore. The water temp is running a touch warmer than normal at 74.1°, but that doesn’t help the surf.

Wednesday the 19th of August is the only day that even gets a “marginal” call. The wind finally drops to a light breeze in the morning, coming from the N at 6.2 mph. The swell is 4.3 ft from the N with a 9-second period. It’s cross-onshore, but with that light wind, the surface might be clean enough for a desperate session. The combined energy is still moderate (297). This is as close to a standout as we get, but it’s a slim pick.

For the rest of the forecast, right through to the 24th of August, the swell just fades. The last few days show swell dropping below 3.3 ft, with combined energy dropping into the weak two-digit range (64). The winds stay onshore or cross-onshore, and the surf is poor.

Honestly, this is a blank run. San Juan is a consistent reef break, but when the wind sets in like this for so long, even a consistent spot struggles. The only real window is that Wednesday morning, and even then, it’s just a maybe. The wind is the killer here, and it’s not letting up. For the rest, you’re looking at a 15-day gap with no real recommendation.

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