Balneario Sao Jose Surf Forecast and Surf Report

Alright, Rusty here. Let’s have a look at what’s on offer for Balneario Sao Jose over the next couple of weeks.

Honestly, mate, the first few days are nothing to write home about. We’ve got a bit of swell on Friday the 7th, but it’s tiny—2ft to 2ft from the east with a short 8-second period, and the combined energy is weak (83). The wind is light, but the waves are just too ordinary to get excited about. Saturday morning gets a bit of a bump to 5ft from the south with a 10-second period, but there’s a cross-shore wind, so it’s messy. The real standout on Saturday afternoon is the glassy conditions with 3ft of south swell and a 12-second period, and the combined energy jumps to a moderate 508. That’s a clean, workable wave for a longboard or a funboard.

Sunday the 9th gets a bigger south swell, 4ft to 4ft, with a solid 14-second period, but the wind turns cross to cross-on, so it’s chopped and not great. Monday the 10th sees building swell, up to 7ft from the SSE by the afternoon, with a strong combined energy of 1349, but onshore winds and light rain ruin it. Tuesday and Wednesday stay marginal with onshore winds, even though the swell hangs around 4ft to 6ft.

Now, Thursday the 13th morning is a real beauty. The wind drops to dead calm, glassy. We’ve got 4ft of SSE swell with a 12-second period, and the combined energy is a moderate 554. The conditions are clean and the wave quality is good. But the absolute best of the entire forecast is Friday the 14th morning. That’s the one. The wind is glassy, dead calm, and we’ve got 5ft of SSE swell pushing in with a very long 15-second period. The combined energy is strong at 1211. This is a groundswell, and it’ll be powerful and well-shaped. The break is a beach/pier setup, so with that long period, it might be a bit straight at the beach, but the quality is excellent for experienced surfers.

Saturday the 15th morning has a cross-shore wind, but the afternoon glass-off gives us 5ft of clean SSE swell again. Sunday the 16th stays small and glassy in the morning. Monday the 17th is a write-off with strong onshore winds and a messy 7ft to 8ft swell. But then Tuesday the 18th morning delivers another cracker: 8ft of ESE swell with a 10-second period, a clean offshore wind from the NNW, and combined energy of 1369. That’s big, powerful, and clean—only for experts. The afternoon stays clean with a cross-off wind. Wednesday the 19th morning keeps it clean with 6ft ESE swell, and the rest of the week fades to smaller, glassy conditions through to the 22nd.

So, the standout is Friday the 14th morning for the best combination of clean, glassy conditions and a solid, long-period groundswell. The backup is Tuesday the 18th morning for the big, clean, expert-only surf. The water temperature is about 69°, which is about 2° warmer than usual for this time of year, so it’s a bit on the warm side.

Rusty.

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