View tide and current predictions based on official NOAA data. Search for stations by name or location. Save favorites for quick access. Explore interactive charts for detailed information. Set alerts for specific conditions.
Monitor a child's location with real-time GPS tracking and family link features. Set up alerts for movement zones and receive notifications when the child arrives or leaves a location. Share location updates with trusted contacts.
Set alarms with one click or advanced settings for tight spots. Receive alerts if the drags, even with the phone on silent. Monitor remotely from anywhere.
Navigation provides perpetual almanac and star finder chart with animation. Calculates lines of position, object data, and meridian passage. Supports running fixes and astronomical position calculations with multiple star observations.
Manage vehicle fleets with real-time tracking, fuel consumption monitoring, and driver behavior analysis. Set maintenance schedules and receive alerts. Integrate with over 1800 devices for smart building automation and energy optimization.
Explore maps with detailed satellite views, hiking trails, and topography. Navigate transport networks and view railway routes. Access terrain analysis and seas. Customize map layers for OpenStreetMap and tile-based maps.
Find fuel prices with a map showing the deals. Set price alerts via push notifications. Save favorite stations and track your fuel history. Compare prices and access exclusive offers.
View tide predictions for 8000+ locations with one year of data and 7-day forecasts for 850 locations. Access moon and sun rise/set times. Download a 12-month printable tide calendar. Use offline maps, GPS location, and manual time adjustments.
Access previous editions of the publication. Read articles on topics like radar, ECDIS, positioning, and passage planning. Subscribe for updates. Contact The Nautical Institute for more information.
View tide predictions for 8000+ global locations. Access monthly Extremes Charts and yearly Tide Calendar. Track Moonrise, Moonset, Sunrise, and Sunset times. Use offline maps for navigation. Sync with Apple Watch for real-time updates.