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Ubatuba is a sprawling coastal municipality in Sao Paulo state, Brazil, with over 70 beaches. The coastline faces east and south-east into the South Atlantic. Multiple beaches produce surfable waves, from sheltered bays to exposed points. Praia Grande and Itamambuca are the main surf beaches. Warm water, consistent swell, and tropical forest setting.
Picks up east and south-east swells from South Atlantic storms. The best swells arrive in the Brazilian winter (June-September) from cold fronts. Works on all tides depending on the beach. The 2-6ft range covers the variety. Summer has smaller cyclone-influenced swells.
Itamambuca: powerful, open beach break. Praia Grande: more accessible. Each of the 70+ beaches has different character. Choose based on swell size and wind direction.
Rip currents at the exposed beaches. Some rocky headlands. Strong shore drift on bigger swells. The variety of beaches means there is always a safe option somewhere.
Multiple access roads to different beaches. Some require dirt-road driving. The town has full facilities. Popular holiday destination for Sao Paulo residents.
Busy during Brazilian holidays and summer weekends. The 70+ beaches provide escape routes. Weekday visits and remote beaches offer uncrowded sessions. The local community is friendly.
Ubatuba rewards exploration. With 70+ beaches, there is always somewhere uncrowded. Itamambuca is the headline spot but dozens of quality alternatives exist. The seafood is excellent (try moqueca). The town sits between the mountains and the sea, creating a lush tropical environment.
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Based on historical weekly averages
Combining historical conditions with school holiday crowd pressure to find the sweet spot.
How busy each week is based on school holiday overlap from feeder markets.
The timing score combines two signals: historical conditions quality (how good the skiing or surfing typically is in a given week, based on 5 years of weather data) and crowd pressure (how many of this destination's feeder markets have school holidays that week).
Crowd pressure is weighted by each feeder country's share of visitors. If 40% of a resort's visitors come from France and France is on holiday, that contributes 0.40 to the crowd pressure score. Crowds can reduce the timing score by up to 35%, ensuring conditions still matter most.
Scores: 5 = great conditions with low crowds (the sweet spot). 4 = great conditions with moderate crowds, or good conditions with low crowds. 3 = average. 2 = below average conditions or very crowded. 1 = poor conditions or peak holiday chaos.
Last 29 days of logged conditions.
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Create Profile →Current conditions refresh every 3 hours when the cron runs. Hourly data updates every 30 minutes. The 7-day forecast, luck factor, and packing notes are all pre-computed at the same time.
We compare the 7-day forecast to the last 5 years of marine data for the same week at Ubatuba. The delta tells you whether conditions are shaping up better, worse, or about the same as a typical mid-June.
We score each day of the 7-day forecast using the same algorithm as the leaderboard, and highlight the highest scorer.
Open-Meteo's Marine API (swell height, period, water temperature) and Weather API (wind and conditions).
Honestly, no. Every break has tide windows, swell directions and reef contours that a global model cannot see. Treat the score as a starting point, then check a local cam.
The best week for surf at Ubatuba is the week of 16 November (score 3/5) with low crowds.
Slim pickings. Only worth it if you are gagging for a wave. Light onshore crumble taking the edge off. Best conditions early morning before the sea breeze arrives. Not enough swell to get this spot firing properly.
Heads up: thunderstorms forecast, and jellyfish: high.
Indicators derived from forecast data, not official warnings. Always check local lifeguard or official advice.
Moderate water clarity: ~6m visibility
Daily scores over the last 12 months at Ubatuba