Astera is a weather app that goes further — current conditions and forecasts, plus the tides, sky quality, and air quality that decide whether it's actually a good day to go outside.
Weather
Current conditions, wind, precipitation, and visibility — normalised from multiple providers.
Marine & Tides
Tide state, wave height, sea temperature, and next tide times for any coastal location.
Astronomy
Sunrise, sunset, moon phase, and illumination — essential for stargazers and photographers.
Risk & Activity Scoring
Composite scores for drone flight, stargazing, coastal walks, sailing, fishing, and more.