Best Almanac Nautical Apps

145+ iOS apps curated and reviewed

4.7 avg rating
16 free apps
Updated June 2026

Looking for free almanac nautical apps? 16 of our 145+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Almanac Nautical

EZ Nautical Almanac#1

EZ Nautical Almanac by EZ Celestial LLC

ezNA
Editor's Choice
🗺️ Navigation
5.0(5 ratings)
$9.99
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Access 100 years of nautical almanac data digitally, from 1960 to 2059. This app offers enhanced navigation features like instant page access, highlighting, and zoom, supporting celestial navigation activities offline.

Nautical Charts & Maps#2

Nautical Charts & Maps by LW Brands, LLC

Nautical Charts & Marine Maps
Strong Contender
🗺️ Navigation
4.6😐(3.7K ratings)
$8.99
#51in Navigation
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Access NOAA Electronic Navigational Charts (ENC) for offline marine navigation. View detailed information like buoys, depths, and port features. Overlay NOAA weather maps including radar, sea temperature, and wind data.

What We Love

  • 👍 Easy to use
  • 🚀 Good performance
  • 💡 Useful for planning and navigation
  • 🗺️ Detailed charts

Room to Improve

  • 🐛 Crashes and stability issues
  • 🗺️ Limited chart coverage
  • 🔍 Lack of advanced features (plotting, routing, etc.)
i-Boating: Marine Charts & Gps#3

i-Boating: Marine Charts & Gps by Bist LLC

Lake Maps & Fishing Spots
Worth Considering
🗺️ Navigation
4.5😊(14K ratings)
FreeIn-App Purchases
#60in Navigation
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Navigate waterways with detailed marine charts and GPS. Features include route planning, voice-guided navigation, tide and current predictions, and track recording. Offers extensive map coverage for various regions and inland rivers.

What We Love

  • 🚀 Accurate GPS and navigation
  • 🗺️ Detailed nautical charts
  • 📊 Helpful fishing and structure information
  • 🔍 Useful for finding unexplored fishing spots

Room to Improve

  • 🌐 GPS/location issues, inaccurate positioning
  • 💰 Expensive recurring subscription model
  • 🔁 Difficulty restoring purchased content on new devices

More Almanac Nautical apps to explore

4
Perpetual Nautical Almanac
Perpetual Nautical Almanac
Perpetual Nautical Almanac
by RPA TECHNOLOGIES SL
$6.99

Calculate precise celestial positions for navigation from 1900 to 2050. Get real-time data on the Sun, Moon, planets, and stars, including rise/set times and atmospheric corrections.

Real-time celestial body positionsSunrise/sunset and moonrise/moonset calculationsSunlight world map with celestial positions
🗺️ Navigation
(1)
paid
5
Aqua Map Boating
Aqua Map Boating
Aqua Map Boating
Marine navigation and fishing
Free

This app provides official, weekly updated nautical charts for marine navigation. It allows for offline map downloads, GPS track recording, and integration with onboard instruments. Enhance your boating safety and experience with advanced features like weather forecasts and AIS collision detection.

Official NOAA nautical chartsOffline map downloadsGPS track recording
🗺️ Navigation
(13K)
free with in-app purchases
6
Simrad: Companion for Boaters
Simrad: Companion for Boaters
Simrad: Companion for Boaters
Great nautical charts
Free

This app provides boaters with detailed nautical charts, weather forecasts, and route planning tools. It offers GPS navigation, track recording, and points of interest, with premium features like offline maps and advanced charting available through subscription.

Detailed nautical chartsMarine weather forecastsRoute planning with Autorouting™
🗺️ Navigation
(2.3K)
free with in-app purchases
7
TZ iBoat – Marine Navigation
TZ iBoat – Marine Navigation
TZ iBoat – Marine Navigation
Boat GPS, Charts, AIS, Tides
Free

Navigate the seas with advanced marine charts, GPS, and AIS data, even offline. This app offers detailed bathymetry, community-contributed map data, and dynamic features for safe boating, sailing, and fishing.

Offline marine chartsGPS and route planningAIS Online tracking
🗺️ Navigation
(831)
free with in-app purchases
8
MarineTraffic - Ship Tracking
MarineTraffic - Ship Tracking
MarineTraffic - Ship Tracking
World's #1 ship tracking app!
Free

Track vessels live worldwide using AIS data. View ship positions, movements, and voyage history with detailed vessel information and enhanced weather monitoring. Unlock advanced features for deeper visibility and extended coverage with a Pro plan.

Live vessel tracking worldwideShip positions and movementsVoyage history and key events
✈️ Travel
(65K)
free with in-app purchases
9
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Wavve Boating: GPS, Map, Chart
Navigation, Charts, Tides, Map
Free

Navigate waterways with detailed nautical charts, tide predictions, and weather forecasts. Connect with a community of boaters to share points of interest and track friends on the water. Enjoy simplified GPS navigation tailored to your boat's draft.

Simple GPS navigationCustomizable nautical chartsCommunity points of interest
🗺️ Navigation
(5.4K)
free with in-app purchases
10
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
Orca: Boat GPS, Charts, Routes
GPS Chart Route Sail Powerboat
Free

Navigate the waters with advanced marine charts, intelligent route planning, and real-time weather and vessel tracking. This app offers offline chart access and can integrate with hardware for a comprehensive boating experience.

Marine chartsIntelligent routingLive AIS tracking
🗺️ Navigation
(318)
free with in-app purchases
11
Marine Traffic Vessel Finder
Marine Traffic Vessel Finder
Marine Traffic Vessel Finder
Marine Navigation & Weather
Free

Access real-time ship positions, routes, and detailed vessel information globally. Track vessel history, view port details, and monitor weather conditions on an interactive map. Organize your tracked vessels and ports with a personal fleet.

Real-time ship positions and routesDetailed vessel profilesGlobal AIS data coverage
🗺️ Navigation
(449)
free with in-app purchases
12
BoatUS - Boat Weather & Tides
BoatUS - Boat Weather & Tides
BoatUS - Boat Weather & Tides
24/7 Boat Towing & Insurance
Free

This app provides 24/7 towing assistance for boaters, along with detailed weather and tide forecasts. It also helps users find discounts at marine businesses and manage their membership and insurance policies.

24/7 towing assistanceBoating forecasts (weather & tides)Small craft advisories
☀️ Weather
(57K)
free with in-app purchases
13
Buoyweather - Marine Forecasts
Buoyweather - Marine Forecasts
Buoyweather - Marine Forecasts
Accurate Marine Weather
Free

Get detailed marine weather forecasts for offshore fishing and boating. Plan your trips with wind, wave, and tide predictions up to 16 days out. Visualize ocean conditions with high-resolution charts and a proprietary wave forecast model for enhanced accuracy.

16-day weather, wind, wave, and tide forecastsSave unlimited favorite forecast pointsHigh-res wind, swell, and sea surface temperature charts
☀️ Weather
(744)
free with in-app purchases
14
Buoycast: NOAA Marine Weather
Buoycast: NOAA Marine Weather
Buoycast: NOAA Marine Weather
Buoy Data, Marine Forecast
Free

Access real-time marine weather observations from NOAA buoys and NOAA marine forecasts. Get tide predictions, hourly forecasts, and stay updated on watches and advisories. Pro features include interactive weather maps and custom notifications.

Real-time buoy observationsNOAA marine forecastsTide predictions
☀️ Weather
(13K)
freemium
15
FishTrack - Charts & Forecasts
FishTrack - Charts & Forecasts
FishTrack - Charts & Forecasts
SST, tides, currents, & maps
Free

This app provides saltwater anglers with essential tools to locate fish. It combines cloud-free SST charts, satellite imagery, tides, currents, and marine weather forecasts into a layered interface. Users can mark hot spots, save data for offline use, and identify optimal fishing zones.

Cloud-free Sea Surface Temperature (SST) chartsGlobal satellite imagery (water temp, color, currents)Tides and moon phase data
☀️ Weather
(6K)
free with in-app purchases
16
SailFlow: Sailing Forecasts
SailFlow: Sailing Forecasts
SailFlow: Sailing Forecasts
Wind, Maps, Waves & Tides
Free

Get hyper-accurate, real-time marine weather forecasts and live wind reports. This app uses proprietary weather systems and integrates public data for detailed wind, wave, tide, and radar information. Customize alerts and track your favorite sailing spots.

Proprietary Tempest Weather SystemsLive wind and current station reportsAI-enhanced Nearcast forecasting
☀️ Weather
(5.4K)
free with in-app purchases
17
Nautical Calculator Pro
Nautical Calculator Pro
Nautical Calculator Pro
by Giacomo Gabriele
$8.99

This app provides comprehensive tools for solving complex nautical navigation calculations, including route planning, celestial navigation, and tidal predictions. It features a world map for route visualization and offline functionality for map display.

Route calculationPoint on Rhumb Line/Great CircleCelestial navigation
🗺️ Navigation
(3)
paid
18
Nautical Rules
Nautical Rules
Nautical Rules
Master the Rules of the Road
Free

Master USCG Navigation Rules with a comprehensive question bank and smart study features. Track your progress, practice for exams, and study offline to navigate with confidence.

1,200+ practice questionsInland and International waters coverageDetailed explanations
🗺️ Navigation
(4)
free
19
Waterway Guide
Waterway Guide
Waterway Guide
Trusted Boating Resource
Free

This app provides a comprehensive boating resource with a verified database of marinas, anchorages, and navigation alerts. Users can access real-time hazard information, plan trips with a digital handbook, and utilize detailed content optimized for mobile devices. Engage with a community of boaters through comments and reviews.

Verified points of interest databaseReal-time navigation alertsCommunity comments and reviews
🗺️ Navigation
(2.8K)
free with in-app purchases
20
Fishing Calendar & Tide Times
Fishing Calendar & Tide Times
Fishing Calendar & Tide Times
Tides,Forecast,Weather,Solunar
Free

This app provides advanced solunar predictions to help anglers find the best fishing times and locations. It integrates weather forecasts and tide predictions to enhance your fishing success. You can also log your catches with detailed information and share them with friends.

Solunar prediction calendarWeather and tide forecastsCatch logging and database
☀️ Weather
(12K)
free with in-app purchases