CatchWindow fishing intelligence

Rainbow Bridge, TX Daily Water Report — October 4, 2026

Rainbow Bridge gets a qualified green light today: excellent water texture for most scored activities, but not a day to confuse a flat surface with an automatic all-clear. Sailing leads at 7.2/10, with diving close behind at 7.1 and boating and fishing both at 6.7. Kayaking is the more cautious proposition at 5.9, largely because a manageable NNE breeze can still feel busy in a small craft when gusts reach near 20 knots. The early shift is the cleanest all-around play. High tide arrives at 6:30 AM, sunrise follows at 7:11, and the 7:10–9:10 AM solunar major period overlaps both. Winds run 6–12 knots through the day, while seas stay notably slight at 0.1–0.3 m; the representative wave height is just 0.14 m. That is friendly water for boats and divers, with a warm 28.8 C sea surface temperature, though the available atmospheric visibility figure of 12.8 km should not be mistaken for underwater visibility. Fishing has a respectable setup rather than a runaway one: a rising barometer near 1016 hPa, high-tide timing and the morning major period support the 6.7 score. The evening major period, 7:10–9:10 PM, overlaps the approach to the 9:32 PM low tide and may be worth a second look, especially as the day’s calmest wave height, 0.12 m, is forecast near 9 PM. Rain is possible from 10 AM onward despite zero representative precipitation, so keep the weather eye switched on rather than relying on the glassy-looking water. Cloud cover is forecast at 100%, humidity is 92%, and gusts strengthen late, peaking around 20.2 knots near 11 PM. Those are the tradeoffs: comfortable temperatures, but damp air, limited sky contrast and a late-day gust factor. CoastWatch chlorophyll is very high at 9.83 mg/m³, indicating bloom conditions; it does not establish fish or wildlife activity. Compared with yesterday, boating has eased from 7.5 to 6.7 and kayaking from 6.8 to 5.9, while sailing improves from 6.7 to 7.2. The next few days stay generally gentle, with Tuesday looking especially calm at 0.0–0.2 m waves and lighter peak wind near 7.6 knots; conditions become rougher Friday. Best bet: launch around dawn, use the high-tide morning window, and be back with a plan before the late gusts start throwing their weight around.