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Rockhill Bay (Texas) — a spot well known among anglers. About 1.4 km² in area. Close by — Frisco, Lewisville and Denton. A coastal water: the bite here is modelled for the sea, not for a river or a lake. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.
Clear: 75–99 °F
Wednesday, September 2
In the fish list, this icon marks species recorded here by GBIF. Unmarked species may still occur in the waterbody.
The bite is moderate — fish feed in short bursts. Weather is steady, with no sharp swings — fish behave predictably.
Best time — 00:00–05:00 (nighttime activity).
Look for structure — reefs, flats, channel edges; work them slowly near the bottom.
In clear water, natural colors work best: soft-plastic jig or live bait.
It's a hot day — a hat, sunglasses, and plenty of water are a must.
An average day — best chances during peak windows.
The computed water temperature is around 85 °F — warmer than the 61–79 °F comfort range for Black drum: in the heat it drops deeper and feeds less often.
Black drum feeds at night: the peak falls in the dark hours, between sunset and sunrise.
Pressure is dropping 0.03 inHg over the day — fish are usually more active ahead of a weather change.
One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.
September is an active season for Black drum here.
These are the same values the bite curve above was computed from. How the forecast works
Clear · feels like +95°
The day is 2 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.
What are solunar periods?