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Look for structure — reefs, flats, channel edges; work them slowly near the bottom.
Louisiana — Tuesday, October 20
The bite is weak — fish are sluggish. Pressure is dropping — this usually boosts the bite. Peak 11:00–16:00.
The computed water temperature is around 72 °F — inside the 64–82 °F comfort range for Spanish mackerel, so baseline activity is high.
Spanish mackerel feeds by day — between sunrise and sunset; their times are in the sun-and-moon card above.
Pressure is flat: it moves no more than 0.03 inHg over the day, so the weather isn't shifting today's bite.
October is a slow season for Spanish mackerel: the best months fall at another time of year.
These are the same values the bite curve above was computed from. How the forecast works
Clear · feels like +78°
The day is 2 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
Geomagnetic fieldG1 geomagnetic storm, Kp 4.7
Kp index — NOAA data. Not part of the bite score: catches show no link between geomagnetic storms and the bite.
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.
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