CatchWindow fishing intelligence

Chatham, MA Daily Water Report — August 29, 2026

Today is a great day to take a deep dive into the waters off Chatham, with diving conditions scoring an impressive 8.7 out of 10. The calm seas and favorable water temperature of 20.2°C make for excellent visibility beneath the surface. If diving isn't your thing, sailing also scores well at 7.4, thanks to a steady NNW breeze averaging 8 knots with gusts not exceeding 22 knots. Fishing enthusiasts can expect a solid 7.3 out of 10, with the best catch windows aligning with the solunar major periods from 12:25 to 14:25. The full moon tonight might add an extra touch of magic to your evening cast. Boaters will find decent conditions scoring 6.8, though it's worth noting that the wind waves are a bit choppy at 0.48 meters. Kayakers might find today's conditions a bit challenging, scoring a 5.4, due to these same wind-driven waves and currents. Surfers, while the waves are modest at 0.62 meters with a short period of 4.3 seconds, you might find better conditions as the day winds down. The calmest seas are expected near 10 PM, with wave heights dropping to 0.36 meters. Wildlife watchers can enjoy a 7.6 score, with optimal viewing around the solunar minor periods. Looking ahead, the next few days promise mild weather with temperatures ranging from the mid-teens to mid-twenties Celsius and manageable winds. The wave heights are forecasted to remain moderate, making for continued favorable conditions for most water activities. For those ready to dive into the depths or set sail, today is your day. Make the most of it before the weekend crowds arrive!