FishWhistle combines solunar tables, tide charts, golden hour windows, UV index, and a real-time fishing score into one offline-first companion. Built for anglers who care about timing.
A real-time 0–100 score that weighs solunar periods, tides, moon phase, season, and light conditions together. Tap any hour to see its score.
Major and minor feeding periods calculated for your exact location. See active periods at a glance and countdowns to the next window.
Harmonic tide calculations entirely offline. Visual chart with rising/falling indicator, next high and low times — no internet needed.
Morning and evening prime light windows. Blue hour, golden hour — the four feeding-light windows are tracked with live active indicators.
Tap any hour on the bar chart to see its predicted fishing score. Plan your morning trip the night before with full precision.
Browse any future date and see its full solunar table, tides, score, and conditions. Plan your next trip weeks out.
Real-time UV index with protection guidance. Know when to gear up and when fish move deep to avoid bright sun.
Full and new moon countdowns, moon age, last full moon tracker. Know exactly where you are in the lunar cycle.
No internet required. No account. No sign-in. Everything is calculated on-device, every time. Works on the water.
The fishing score combines solunar period timing, tidal movement, moon phase, season, golden hour windows, and shadow length into a single 0–100 rating. Scrub through any hour of the day to see how conditions shift.
No analytics. No crash reporters. No ad SDKs. No account required. Your location is processed entirely on-device and never transmitted anywhere. FishWhistle works fully offline, always. Read the Privacy Policy →