CatchWindow fishing intelligence

San Juan, La Puntilla, San Juan Bay, PR Daily Water Report — September 1, 2026

Today, San Juan Bay is a sailor's paradise with a stellar 9.2/10 suitability score. The consistent ENE wind at 15 knots, gusting to 20, provides excellent conditions for sailing enthusiasts to catch some speed. The skies are mostly clear, enhancing visibility over 33 km, allowing for a thrilling day on the water. For divers, the conditions are nearly as enticing, with an 8.8/10 score. The relatively low wave height of 0.82 meters and clear waters, with chlorophyll levels at a mere 0.06 mg/m³, promise a good underwater experience. The sea surface temperature is a comfortable 29.7°C, just slightly above average, making it a prime day for exploring the depths. Fishing scores a solid 7.1/10, thanks to favorable solunar periods in the early morning and afternoon. However, the gusty winds might pose a challenge to smaller vessels. Surfing conditions are decent, with a 6.8/10 score. The waves, peaking at 0.9 meters, should provide some fun, though the short periods might make it a bit choppy. Boaters and kayakers face tougher conditions, scoring 5.6/10 and 4.1/10, respectively. The combination of wind and wave action might make for a more challenging outing, particularly for less experienced paddlers. Wildlife watchers have a decent 7.3/10 day, with low tides and wind patterns contributing to potential sightings. Comparing to recent days, sailing scores have surged compared to August 31st's 6.5/10, thanks to stronger and more consistent winds. Meanwhile, surfing scores have dipped slightly from a 7.6/10, reflecting the choppier conditions. Looking ahead, expect a wetter day tomorrow with a 99% chance of rain, but lighter winds should return by September 5th. For today, if you want the best experience on the water, grab your sail and head out—it's a day made for speed and adventure.