CatchWindow fishing intelligence

Mona Island, PR Daily Water Report — September 3, 2026

For those looking to dive today off Mona Island, it’s a stellar day to take the plunge with an impressive diving suitability score of 8.8 out of 10. The wind is a manageable 8 knots from the east, and the waves are notably calm, peaking around midday at just 0.72 meters. Water temperatures are a warm 29.3°C, with visibility reaching over 17 kilometers, making for prime underwater exploration conditions. Sailors, you're in for a treat as well, with favorable winds and clear skies pushing the sailing score to a robust 8.1. The steady easterly breeze, combined with moderate wave height, ensures a smooth ride. Boating follows closely with a score of 7.5, though the ocean current at 0.7 m/s toward 194 degrees could make anchoring a bit tricky. For anglers, the fishing score has dipped slightly to 6.7, with the best bite times aligning with the solunar major periods early in the morning and late afternoon. Surfing conditions are decent at 6.4, but with the swell coming in at 0.54 meters and a short period, expect a more mellow session. Kayakers should be wary of the ocean current and are looking at a more challenging day with a score of 5.6. Compared to yesterday, diving conditions have improved slightly, and sailing remains strong, while fishing and surfing have seen a slight decline. The chlorophyll concentration remains low, keeping the waters a beautiful blue but indicating limited marine productivity. Looking ahead, the weather remains relatively stable, with a slight uptick in wind and rain chances as the week progresses. By Saturday, expect the swell to increase, potentially enhancing surfing conditions. In summary, if you're seeking an adventure beneath the waves, today is your day. The clear, calm waters beckon divers to explore the rich marine life around Mona Island.