High and low tides in Ryōtsu-minato (Niigata, Japan) for today and tomorrow, in local time, with the best times to fish. The app above shows the tide curve, wind and sea conditions for the next 7 days.
There is no wind or wave forecast here yet: these times take the tide, sun and moon into account, but not bad weather. The app above has the full forecast. An indicative 0–100 index that blends classic angler signals: solunar periods (30%), dawn and dusk (20%), tidal movement (25%), moon phase (10%) and barometric trend (15%). Hours with dangerous weather are penalised. Use it as a guide — local knowledge always wins.