CatchWindow fishing intelligence

Chatham, MA Daily Water Report — August 25, 2026

Today in Chatham, the water is calling divers with an excellent score of 8.8 out of 10. With calm seas and a water temperature of 21.6°C, it's a prime day for subaquatic exploration. The waves are gentle, peaking at a mere 0.6 meters, and the calmest spell is around 7 AM, making it perfect for getting a head start. Boaters will find decent conditions with a score of 7.3, thanks to moderate winds from the WSW at 5 knots, though gusts might reach up to 20 knots by 6 PM. The seas are friendly, but keep an eye on those gusts if you're planning a late afternoon outing. Fishing enthusiasts get a slightly better day than yesterday, with a score of 7. The major solunar period between 8:24 and 10:24 AM aligns nicely with the morning high tide at 11:12 AM, offering a solid window to cast your lines. The barometric pressure is on the rise, which might just spur some fish activity. Surfers, however, might want to sit this one out, as the score dips to 4.9. The small swells at 0.24 meters won't provide much thrill. Kayakers and sailors can expect fair conditions, with scores of 6.2 and 6.5, respectively, but should be mindful of the increasing winds later in the day. Looking ahead, the weather will remain relatively stable with mild temperatures and low chances of rain. Wind speeds will vary, peaking at 15.6 knots by August 31st. For those planning a longer stay, August 28th could bring a bit more excitement with higher winds and the possibility of rain. For today, if you're a diver, the sea is your oyster.