CatchWindow fishing intelligence

Boston, MA Daily Water Report — August 31, 2026

Today in Boston, it's all systems go for boaters and kayakers, with boating scoring a stellar 9.3/10 and kayaking not far behind at 8.7/10. The calm seas, with wave heights peaking at a mere 0.3 meters, and gentle winds averaging 3 knots make for a smooth ride. The early morning is the sweet spot for calm waters, so if you're paddling or setting sail, start your day early to catch the best conditions. Divers will also find the day inviting, with a solid 7.6/10. The water temperature is a comfortable 20.6°C, and visibility is decent, though the high chlorophyll levels indicate a bloom, which might affect clarity. Fishing is decent with a 6.6/10 score, though it's slightly down from yesterday's 7/10. The best fishing windows align with the solunar major periods, particularly around 2 PM when the tide is high. Surfers, however, might want to sit this one out or focus on other activities. With surfing rated at 5.1/10, the small 0.1-meter swell and short wave period won't offer much excitement. Compared to the past few days, surfing conditions have consistently lingered on the lower end, so perhaps it's time to wax your board and wait for better days. Looking ahead, the weather will bring more wind and a higher chance of rain starting tomorrow, with gusts reaching up to 18.3 knots tonight. The next few days promise increasing wave heights, which might improve surfing conditions later in the week. For now, boating remains your best bet for a day on the water.