CatchWindow fishing intelligence

Washington, DC Daily Water Report — October 4, 2026

Washington’s water gets a clear go for low-wind boating, paddling, and fishing, with kayaking the day’s strongest practical fit at 7.7/10 and boating and fishing both at 7.6. The surface forecast is flat—0 m waves, swell, and wind waves—and the prevailing northeast wind is only about 3 knots. That is a fine recipe for quiet travel, though it will leave sailors working harder than usual for drive; sailing rates a middling 5.1/10 despite the smooth water. The best all-around window is early, from dawn through the 6:59–8:59 AM solunar major period. It overlaps the final part of the falling tide before the 10:04 AM low and comes before the forecast’s strongest gusts, which could reach 16.9 knots around 9 AM. Fishing’s favorable score reflects the combined solunar, tide, pressure, wind, and available clarity inputs—not a promise of catches—so treat the morning as the most efficient time to be ready rather than a guarantee that the rod will bend. A second useful stretch runs from the midafternoon high tide at 3:12 PM into dusk, with another solunar major period from 6:59–8:59 PM. The catch is the light: sunset is 6:49 PM and dusk ends at 7:16 PM, so the latter part belongs to prepared anglers and shore users with a firm plan for getting off the water. Wildlife scores highest at 8/10, particularly around the low-tide and solunar timing, but that score is not a safety forecast. Cloud cover is forecast at 100%, humidity is 94%, and a brief rain window is indicated around 8 AM. Atmospheric visibility is about 12.3 km, but that says nothing about underwater visibility; no diving recommendation is available. Pressure is falling from a relatively high range, and the air stays cool and damp near 16–18°C. Compared with recent CatchWindow estimates, fishing improves sharply from 6.3 yesterday, while boating and kayaking rebound from yesterday’s windier setup but remain below the exceptionally easy conditions earlier in the week. The next several days stay wave-free in the marine forecast, with dry weather and generally light winds; Monday may reach 10 knots, while Tuesday looks notably calmer. Best bet: launch at first light, fish or paddle through the early major period, and be back in before the 9 AM gusty wrinkle.