CatchWindow fishing intelligence

Charleston, SC Daily Water Report — August 31, 2026

Today in Charleston, it’s a stellar day for boating and diving, with scores of 8.7 and 8.4 out of 10, respectively. The conditions are inviting, thanks to gentle winds from the north at 4 knots and a stable barometric pressure of 1019 hPa. You’ll find the ocean’s surface temperature a warm 29.3°C, just a hair above average, which should make for a comfortable experience on and under the water. For anglers, a fishing score of 6.9 is boosted by favorable solunar periods, particularly the major window from 2:35 to 4:35 AM and again from 2:35 to 4:35 PM, aligning well with the low tide at 4:29 AM and high tide at 10:32 AM. The 3.04 mg/m³ chlorophyll reading suggests plenty of nutrients in the water, although it doesn’t directly translate to fish activity. Surfers might find the waves a bit underwhelming today, with a score of 5.2. The swell is modest at 0.34 meters coming from 135 degrees, and a short period of 4.05 seconds doesn’t promise much in the way of long rides. Meanwhile, sailors face a mixed bag with a 5.9 score; the consistent light winds may not provide the thrill some are seeking. Looking ahead, expect similar conditions with slight increases in wind over the coming days, peaking at 12.1 knots by September 5th. The waves will remain relatively calm, which is great news for divers and boaters aiming for stable outings. If you're planning an adventure, today’s calm seas and clear skies make for an idyllic day on the water.