CatchWindow fishing intelligence

Charleston, SC Daily Water Report — October 4, 2026

Charleston gets a clear green light for small-craft water time today: boating and kayaking both rate 8.3/10, while diving leads the board at 8.8/10. The ocean is unusually cooperative, with waves holding around 0.3–0.4 m, a light easterly wind near 4 knots, and only modest gusts for most of the day. That is a notably easygoing setup for getting afloat, though “easygoing” is not the same thing as unattended—there is still an east-setting ocean current near 0.19 m/s, and the tide will move plenty of water around the inlets and channels. The most useful daylight window begins around dawn and runs through the morning low tide at 8:48 AM. The 7:11–9:11 AM solunar major period overlaps that low-water turn, giving anglers the day’s best combined timing; fishing is rated 7.5/10. Pressure is falling from around 1018 hPa, so the fishing outlook is good rather than automatic. A second major solunar period, 7:11–9:11 PM, arrives around the 9:51 PM low, but it is after sunset and should be treated as a low-light outing, not a casual extension of the afternoon. For paddlers, boaters, and divers, the afternoon high tide at 3:22 PM offers another workable stretch before the water eases toward its calmest forecast wave height near 7 PM. Marine SST is 26.9 C, about 1.1 C above average, and the light wind/wave combination supports the strong diving score. Atmospheric visibility is forecast near 14.1 km, but that is not a read on underwater visibility. Cloud cover is expected to be complete, humidity high, and the rain window spans 7 AM to 11 PM despite zero representative precipitation, so keep weather awareness switched on. Compared with the recent run, boating is a touch below yesterday’s 8.7 but remains solid; kayaking also eases from yesterday’s 9.1, largely without losing its favorable light-wind character. Sailing, at 5.9/10, is the compromise activity: smooth water, yes, but not much breeze to work with. Monday looks wetter, then Tuesday and Wednesday turn windier and lumpier. Thursday currently appears to be the next calmer reset. Best bet: launch early, work the morning low-tide turn, and enjoy the rare luxury of a Charleston forecast that is more “go” than “goose chase.”