Rules and signals at sea.
The app provides a reference for maritime rules and signals, including steering, lights, sound signals, and distress signals. It also covers buoyage systems, flags, radio calls, and life-saving communications with learning cards for content review.
Showing 1–20 of 1,000 ranked alternatives.
Calculated Industries, Inc.
Access , charts, and COLREGS documents
Provides access to COLREGS and Inland , including amendments. It includes sound and light signals, steering and sailing , and other essential boating references. Users can search and bookmark regulations for quick reference.
Alejandro Martinez de Carvajal
Search navigation instantly anywhere
COLREGs offers flag identification, weather scales, cloud recognition, sound signal guidance, and vessel light details. Users can access navigation , interpret flags, and understand sound and light signals for safe boating.
FB Imray Laurie Norie & Wilson GmbH
Marine symbols, terms, and abbreviations.
The app provides a reference for marine chart symbols, abbreviations, and terms. It includes over 800 entries, a search function, and a sample chart with popups.
LW Brands, LLC
Download and view weather
View and download NOAA electronic navigational for offline use. Access in NOAA or ECDIS formats. Overlay NOAA weather for real-time conditions. Display buoys, beacons, lights, and natural/man-made features. Track radar and fog signals.
Calculated Industries, Inc.
Complete maritime navigation regulations reference.
The app provides the International Regulations for Preventing Collisions at Sea, 1972, and Inland Navigation Rules. It features an annotated table of contents, a search function, and a selected page for quick access to rules.
Nobeltec, Inc.
Navigate with real-time GPS and tidal data
Navigate using GPS, AIS Online, and radar. View charts for coastal boating, sailing, and fishing. Track tides and currents. Set anchoring points. Sync with Apple Health. Share routes and waypoints.
Windy Weather World Inc
Track wind and weather forecasts
Track wind conditions with detailed forecasts, maps, and compass readings. Monitor wind speed, direction, and gusts. Receive push notifications for wind alerts and storm warnings.
Bist LLC
Navigate with and river
Access for the USA, Canada, UK/Ireland, Germany, Netherlands, and European rivers. View NOAA vector , freshwater lake maps, and USACE inland river maps with bathymetry data. Create or import GPX/KML routes. Use voice prompts for route navigation.
FB Imray Laurie Norie & Wilson GmbH
Plan routes and track your journey
View and navigate nautical charts for sailing, diving, and fishing. Plan routes and create waypoints. Share tracks with others. Subscribe for updated chart data. Access technical support via email.
NavX Studios LLC
Navigate with real-time charts and weather data
Access charts, maps, weather data, and AIS information. Navigate with worldwide chart coverage from multiple providers. View real-time weather and track vessel position. Set waypoints and measure distances between points.
Nautica SIA
Learn chartwork and safety rules
Learn fundamentals with interactive lessons on chartwork, safety, buoyage, light signals, shapes, sound signals, meteorology, GMDSS, and anchoring. Take quizzes to test knowledge and track progress.
PredictWind Limited
Track wind, waves, and currents
View high-resolution weather maps for wind, gust, CAPE, wave, rain, and cloud conditions. Access real-time from ECMWF, AIFS, ICON, UKMO, GFS, and proprietary models. Track wind speed, wave height, and current directions.
Rivolu LLC
Set alerts and track forecasts
Track tides and lunar phases with NOAA data. Set custom alerts for high and low tides. View offline information. Access lunar calendar and historical data. Share details via social media. Sync with Apple Health for activity tracking.
FishAngler, LLC
Find and track your trips
Find with interactive and depth charts. Check forecasts and track catches. Save locations and view detailed water information. Share catches and locations with other anglers. Set alerts for weather and tide changes.
MiraTrex, Inc
Navigate and track your route
View high-resolution NOAA nautical with depth data for U.S. coasts, Great Lakes, major rivers, Brazil, and global areas. Navigate using GPS, track vessel position, and set waypoints. Access tidal information and route planning tools.
LW Brands, LLC
Track real-time buoy data and forecasts
Access real-time buoy data and 5-day forecasts from NWS. View 6-hour wave trends and 7-day hourly wave and tide predictions. Overlay NOAA maps and check offshore zone forecasts. Receive detailed NWS discussions and use the Apple Watch for alerts.
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