CatchWindow fishing intelligence

Chatham, MA Daily Water Report — August 31, 2026

Today in Chatham, diving is the star of the show with a top-notch score of 8.8 out of 10. If you're looking to explore underwater wonders, now's the time. The water temperature is a comfortable 20.1°C, and the wind is light at 5 knots from the north-northwest, ensuring calm seas. The wave height is manageable, peaking at 0.6 meters, and calming down to 0.26 meters around 8 PM. Visibility is decent at 12.7 km, although the humidity is high at 90%, so expect some cloud cover. Boating enthusiasts can enjoy a solid day on the water with a score of 7.1. The gentle winds and calm seas make for pleasant cruising conditions, though it's worth noting that the boating score has dipped slightly from yesterday's 7.9. Kayakers will find a decent window as well, with a score of 6.2, a slight improvement over yesterday. Fishing is a bit off its recent highs, scoring 6.9, down from 7.3 yesterday. The solunar periods suggest the best chances are early morning or mid-afternoon, aligning with the minor tide shifts. Surfing conditions are fair, scoring 5 out of 10, with modest swells from the southwest that might not thrill the more adventurous surfers. Looking ahead, the weather forecast suggests a mixed bag with increasing winds and a higher chance of rain, particularly on September 3rd, when precipitation could reach 60%. As the week progresses, the wave heights are expected to increase, peaking at 1.0 meters on September 5th, which might excite the surfers looking for a bit more action. For today, if you’re contemplating a dive, the conditions are just about perfect. Dive deep and enjoy the tranquility beneath the surface.