Best Lake Data Apps

0+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated July 2026

Buoycast is the household name in lake data, but it's far from the only option. We track 0+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Lake Data Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Buoycast: NOAA Buoys & WeatherBuoycast: NOAA Buoys & WeatherFree4.6★ (14K)YesYesAug 2026
2Lake Mendota Buoy DataLake Mendota Buoy DataFree3.1★ (11)NoNoMay 2026
3TVA Lake InfoTVA Lake InfoFree3.1★ (131)NoNoJul 2026
4Lake WawaseeLake WawaseeFree4.9★ (23)NoNoAug 2026
5Lake Genius: Boating GuideLake Genius: Boating GuideFree4.8★ (88)NoYesAug 2026
6Lake ObserverLake ObserverFreeNoNoJul 2026
7onX Fish: Midwest Fishing MapsonX Fish: Midwest Fishing MapsFree4.6★ (1.6K)YesYesAug 2026
8onWater: Fishing Spots MaponWater: Fishing Spots MapFree4.5★ (2.7K)NoYesAug 2026

Top Picks for Lake Data

Buoycast: NOAA Buoys & Weather#1

Buoycast: NOAA Buoys & Weather by Skipjack Studios, LLC

Marine Forecast, Waves & Tides
Editor's Choice
☀️ Weather
4.6😊(14K ratings)
FreeAdsIn-App Purchases
Buoycast: NOAA Buoys & Weather screenshot 1
Buoycast: NOAA Buoys & Weather screenshot 2
Buoycast: NOAA Buoys & Weather screenshot 3
Buoycast: NOAA Buoys & Weather screenshot 4
Buoycast: NOAA Buoys & Weather screenshot 5
Buoycast: NOAA Buoys & Weather screenshot 6

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.

What We Love

  • 👍 Accurate and dependable forecasts
  • 🚀 Essential for boating and fishing
  • 💡 Provides critical weather and sea condition data
  • 🤝 Responsive customer service

Room to Improve

  • 🐛 Inconsistent data availability for some locations
  • 🔍 Difficulty finding specific location data
  • 💰 Aggressive upselling for paid version
Lake Mendota Buoy Data#2

Lake Mendota Buoy Data by Thomas Swift

Strong Contender
☀️ Weather
3.1(11 ratings)
Free
Lake Mendota Buoy Data screenshot 1
Lake Mendota Buoy Data screenshot 2
Lake Mendota Buoy Data screenshot 3

This app provides near real-time atmospheric and water temperature data for Lake Mendota, Wisconsin. It's designed for water sports enthusiasts to help them decide the best days for activities like fishing, sailing, and swimming.

TVA Lake Info#3

TVA Lake Info by Tennessee Valley Authority

See the latest on TVA lakes
Worth Considering
🔍 Reference
3.1😞(131 ratings)
Free
TVA Lake Info screenshot 1
TVA Lake Info screenshot 2
TVA Lake Info screenshot 3
TVA Lake Info screenshot 4
TVA Lake Info screenshot 5
TVA Lake Info screenshot 6

Access real-time data and management details for lakes and dams within the Tennessee Valley Authority region. This app provides lake levels, water release schedules, and insights into lake management practices, along with recreational information.

What We Love

  • 👍 Handy app for water levels
  • 👍 Accessible releases information
  • 👍 Useful for planning
  • 👍 Good for fishermen

Room to Improve

  • 🐛 App crashes frequently
  • 🐛 Blank screen on launch
  • 🐛 Data not loading

More Lake Data apps to explore

4
Lake Wawasee
Lake Wawasee
Lake Wawasee
Lake Wawasee— Webcam & Weather
Free

Stay connected to Indiana's largest natural lake with live webcam feeds, real-time weather, and up-to-the-minute lake conditions. Access local news, community events, and lakefront real estate listings.

Live HD webcam streamReal-time weather updatesWind speed and wave height
☀️ Weather
(23)
free
5
Lake Genius: Boating Guide
Lake Genius: Boating Guide
Lake Genius: Boating Guide
Powell, Mead, Tahoe, Others
Free

This app provides detailed maps and information for major western US lakes, including over 2000 mapped sites like camping, historical locations, and amenities. It offers daily updates on water levels and underwater hazards, along with navigation tools to mark locations, track routes, and estimate travel times.

2000+ mapped sitesDaily water level updatesUnderwater hazard information
🗺️ Navigation
(88)
freemium
6
Lake Observer
Lake Observer
Lake Observer
by Cary Institute of Ecosystem Studies, Inc.
Free
📊 Productivity
(0)
7
onX Fish: Midwest Fishing Maps
onX Fish: Midwest Fishing Maps
onX Fish: Midwest Fishing Maps
Lake Finder, Weather, Species
Free

Discover new fishing spots with detailed lake data, weather forecasts, and GPS navigation. Plan your next trip with insights on fish species, stocking history, and land ownership. Navigate hands-free and access maps offline.

Lake Finder with species informationDetailed fishing maps and plannerGPS navigation and offline maps
🗺️ Navigation
(1.6K)
free with in-app purchases
8
onWater: Fishing Spots Map
onWater: Fishing Spots Map
onWater: Fishing Spots Map
Fish finder Forecast Reports
Free

Discover new fishing locations, track water conditions, and log your trips to improve your angling success. This app provides tools for planning and enhancing every fishing expedition, from finding access points to understanding species habitats.

Discover fishing locationsTrack water conditions and forecastsLog fishing trips and successes
🗺️ Navigation
(2.7K)
free with in-app purchases
9
Smith Mountain Lake Level
Smith Mountain Lake Level
Smith Mountain Lake Level
Smith Mountain Lake, Virginia
Free

Track the water level of Smith Mountain Lake with hourly updates and historical graphs. Set custom alerts for specific water levels and view current trends, including water temperature. Explore data for various date ranges and tap the graph for precise readings.

Hourly lake level updatesHistorical data graphsCurrent level and trend
🔍 Reference
(18)
free
10
Permission Slip by DeleteMe
Permission Slip by DeleteMe
Permission Slip by DeleteMe
Take back control of your data
Free

This app automates the process of deleting your personal data or opting out of its sale with hundreds of companies. It acts as your agent, filing requests on your behalf to regain control over your information. Easily manage your digital footprint across various sectors like social media, finance, and healthcare.

Automated data deletion requestsOpt-out of data salesHuman-powered support
🔧 Utilities
(5.7K)
free with in-app purchases
11
Lake County PASSAGE
Lake County PASSAGE
Lake County PASSAGE
Lake County, IL
Free

This app provides real-time traffic congestion information for Lake County, IL. It offers details on incidents, roadwork, and congestion levels, along with snapshots from intersections. Users can also report incidents directly through the app.

Real-time traffic congestionIncident informationRoadwork updates
🗺️ Navigation
(810)
free
12
Omnia Fishing: Spots & Maps
Omnia Fishing: Spots & Maps
Omnia Fishing: Spots & Maps
Fishing App: Maps & Reports
Free

Discover fishing spots with detailed lake maps, real-time reports, and tackle recommendations. Plan your next fishing trip with custom waypoints and access a vast tackle warehouse. PRO members get advanced map layers and exclusive perks.

Fishing spot discoveryPRO lake maps with depth and clarity layersReal-time fishing reports
⚽ Sports
(3.7K)
freemium
13
WE Field Data Capture
WE Field Data Capture
WE Field Data Capture
by Seven Lakes Enterprises, Inc.
Free
💼 Business
(0)
14
Data Clock
Data Clock
Data Clock
Buy data by the minute
Free

Purchase mobile data in flexible amounts, from small top-ups to larger bundles, to use whenever you need it. This service is perfect for bridging gaps between plan renewals or for occasional data needs, with affordable options available.

Buy data in small or large amountsUse data whenever you wantIdeal for long trips or waiting
🔧 Utilities
(137)
free with in-app purchases
15
Lowrance: app for anglers
Lowrance: app for anglers
Lowrance: app for anglers
Great fishing charts
Free

This app provides detailed fishing charts and navigation tools for anglers. Manage waypoints, discover new fishing spots, and plan trips with offline maps and autorouting. Sync data with your Lowrance devices for a seamless on-water experience.

Detailed C-MAP fishing chartsWaypoint managementOffline map downloads
🗺️ Navigation
(2.7K)
free with in-app purchases
16
Lake Buddy
Lake Buddy
Lake Buddy
Lake levels and conditions.
Free

Track your favorite lakes with real-time levels, weather forecasts, and historical data. Easily manage lists of lakes by state or view them on a map. Prepare for your water activities with up-to-date conditions.

Track favorite lakesView lake levels and conditions7-day weather forecast
🌟 Lifestyle
(10)
ad-supported
17
Fishing Points-Lake Depth Maps
Fishing Points-Lake Depth Maps
Fishing Points-Lake Depth Maps
Fish Finder,Gps Fishing Spots
Free

This app provides detailed lake depth maps and marine charts with fishing points for various regions. It features an AI that identifies productive fishing spots based on bathymetry, local knowledge, and weather. Offers advanced GPS navigation with voice prompts, route planning, and tide/current predictions.

Fishing AI for spot predictionDetailed lake depth mapsMarine charts with fishing points
⚽ Sports
(2.2K)
free with in-app purchases
18
Marine Weather Forecast Pro
Marine Weather Forecast Pro
Marine Weather Forecast Pro
NOAA Marine Weather Forecast
Free

Access comprehensive NOAA marine weather data, including real-time buoy readings, 5-day forecasts, and historical wave trends. Visualize data with map overlays and receive severe weather alerts. An Apple Watch app is also available.

Real-time marine buoy data5-day NWS marine weather forecastHistorical wave trend reports
☀️ Weather
(16K)
freemium
19
SML+
SML+
SML+
Smith Mountain Lake, Virginia
Free

Stay informed about Smith Mountain Lake with real-time water levels, temperature, wind forecasts, and marine gas prices. Get alerts, track the ice cream boat, and view historical data for a better lake experience.

Real-time water level updatesHourly water temperature readingsInteractive temperature sensor map
🌟 Lifestyle
(47)
free
20
Lake Labs
Lake Labs
Lake Labs
Your smarter fishing assistant
Free

This intelligent fishing assistant helps you track your success with complete privacy. It provides daily and weekly weather forecasts, lunar patterns, and tools to plan your next fishing excursion.

Track fishing successComplete privacyDaily weather forecasts
⚽ Sports
(5)
free

FAQ about Lake Data

What are the best lake data apps for iPhone?
Buoycast: NOAA Buoys & Weather tops our lake data apps ranking as of July 2026, with a 4.6-star average from 14K App Store ratings, and it's free to download.
Yes — 20 of the top lake data apps we rank are free to download, including Buoycast: NOAA Buoys & Weather and Lake Mendota Buoy Data.
Buoycast: NOAA Buoys & Weather shows ads and offers in-app purchases, according to its App Store listing as of July 2026.
The app provides real-time observations from NOAA NDBC buoys, including wind speed and direction, air and water temperature, atmospheric pressure, and wave data. It also offers NOAA marine forecasts, tide predictions, and sunrise/sunset times.
Buoycast Pro unlocks interactive weather maps with animated radar, precipitation, wind, and temperature overlays. It also provides customizable notifications for specific weather criteria and NOAA alerts, along with ad-free browsing.